Re: Current on FuLoong unable to figure out system type
Otto Moerbeek wrote: On Thu, Feb 18, 2010 at 09:44:17PM +0200, Lars Nooden wrote: On Thu, 18 Feb 2010, Otto Moerbeek wrote: Retry with boot -k tftp://..., as suggested by the error message. Also PMON sometimes gets confused, and a power cycle is needed (using the reset button is not enough in all cases). Thanks. I had misinterpreted the message and put the -k as an argument for bsd.rd Boots bsd.rd fine now. There are a great many 'spurious interrupt 4' messages during the installation process. The ext2 boot partition seems to still needed for booting. I tried to dig out some linux netboot for that but couldn't find anything that supports fuloong yet. Ended up using dd to make the ext2 partition. It boots bsd current just fine now via the ext2 partition. /Lars The sprurious interrupts will be solved if you update to current. Ok. I'm probably trailing a version behind. According to dmesg it is with GENERIC #90 from 17 Feb at 16:59. I'll take another look with the next snapshot! The lasy days I spent on working at the install procedure. The code I am about to commit is able to create a small ext2 partition or use an existing ext2 one to install the bootloader on. The kernel the wil be read from ffs. Sweet. Can I ask how, priori to that, you solved the ext2 problem? /Lars
Re: Current on FuLoong unable to figure out system type
On 2010 Feb 19 (Fri) at 10:05:06 +0200 (+0200), Lars Nooden wrote: :Otto Moerbeek wrote: : The lasy days I spent on working at the install procedure. The code I : am about to commit is able to create a small ext2 partition or use an : existing ext2 one to install the bootloader on. The kernel the wil be : read from ffs. : :Sweet. Can I ask how, priori to that, you solved the ext2 problem? A combination of creating partitions with linux/packages, copying bsd to said ext2fs partition, and rebooting. it was pretty annoying. -- Bride, n.: A woman with a fine prospect of happiness behind her. -- Ambrose Bierce, The Devil's Dictionary
Re: Current on FuLoong unable to figure out system type
On Fri, Feb 19, 2010 at 10:05:06AM +0200, Lars Nooden wrote: Otto Moerbeek wrote: On Thu, Feb 18, 2010 at 09:44:17PM +0200, Lars Nooden wrote: On Thu, 18 Feb 2010, Otto Moerbeek wrote: Retry with boot -k tftp://..., as suggested by the error message. Also PMON sometimes gets confused, and a power cycle is needed (using the reset button is not enough in all cases). Thanks. I had misinterpreted the message and put the -k as an argument for bsd.rd Boots bsd.rd fine now. There are a great many 'spurious interrupt 4' messages during the installation process. The ext2 boot partition seems to still needed for booting. I tried to dig out some linux netboot for that but couldn't find anything that supports fuloong yet. Ended up using dd to make the ext2 partition. It boots bsd current just fine now via the ext2 partition. /Lars The sprurious interrupts will be solved if you update to current. Ok. I'm probably trailing a version behind. According to dmesg it is with GENERIC #90 from 17 Feb at 16:59. I'll take another look with the next snapshot! Yes, development is fast. You could also update your source tree and rebuild the kernel if you want the latest. A new snap with the new installer code will hit the mirrors soon I hope. This snap also will have the spurious interrupt fix. The lasy days I spent on working at the install procedure. The code I am about to commit is able to create a small ext2 partition or use an existing ext2 one to install the bootloader on. The kernel the wil be read from ffs. Sweet. Can I ask how, priori to that, you solved the ext2 problem? /Lars I ported newfs_ext2fs. -Otto
Re: Current on FuLoong unable to figure out system type
On Fri, Feb 19, 2010 at 09:13:05AM +0100, Peter Hessler wrote: On 2010 Feb 19 (Fri) at 10:05:06 +0200 (+0200), Lars Nooden wrote: :Otto Moerbeek wrote: : The lasy days I spent on working at the install procedure. The code I : am about to commit is able to create a small ext2 partition or use an : existing ext2 one to install the bootloader on. The kernel the wil be : read from ffs. : :Sweet. Can I ask how, priori to that, you solved the ext2 problem? A combination of creating partitions with linux/packages, copying bsd to said ext2fs partition, and rebooting. it was pretty annoying. Oh and on my first install a few weeks back I just kept the Linux setup and copied bsd to the it (there was no OpenBSD bootloader then), I zapped the recovery partition and made it an OpenBSD partition, using the unallocated space on the hd. But now the Loongson is guaranteed 100% pinguin free. -Otto
Re: Refusal to mention OpenBSD in a MSc Advanced Networking course
On Sun, 14 Feb 2010 02:40:05 + TS Lura tsl...@gmail.com wrote: ooh, that's cool It's the poor man's Apple, without all the caveats, controls and gotchas, but with a complete toolbox and manual. You can run it on anything that will run a WinDos (and then some), and you will get more reliability with better predictability than aforementioned fruit. It doesn't do Flash, or other major insecurity vectors like Steem, and when it's broke it gets fixed. And lastly, it is Free from encumbrance: you can use it in commercial or proprietary/secure applications, or to run your vibrator for that matter, without anyone telling you what to do with it. Dhu (just offhand, eh.)
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[IMAGE] Editorial Pila Teleqa Estimado compaqero/a de Educacisn Fmsica Si pinchas ahora AQUm iras al nzmero 14 de El Patio, la revista especializada en Educacisn Fmsica de la editorial Pila Teleqa donde en este nzmero tratamos temas tales como: * El horario de Educacisn Fmsica. Autor: Juan Carlos Muqoz Dmaz * La Obesidad infantil: Un grave problema social. Autor: Alberto Rodrmguez Jiminez * La Motivacisn: Fuente de riqueza en la practica educativa.Autora: Sara Blanco Corzo. * Prevencisn y/o tratamiento de las lesiones en Educacisn Fmsica. Autor: Bruqo Soler Alejandro Tambiin podras ver muestras de nuestros libros, ojear nuestro catalogo, ver nzmeros anteriores de El Patio o de La Revistilla y porqui no participar con tu artmculo, tus experiencias, opinisn o reflexiones sobre nuestra asignatura, la Educacisn Fmsica. Bienvenido a ista tu editorial especializada en Educacisn Fmsica. Marco Pila pilatel...@pilatelena.com â www.pilatelena.com [IMAGE] [IMAGE] [IMAGE] [IMAGE] Enciclopedia de Ejercicios de Musculacisn Enciclopedia de Ejercicios de Estiramientos Fundamentos tesricos de la Educacisn Fmsica El Entrenador Personal de Golf Si no deseas recibir mas nuestros boletines envia un mensaje de correo a bajas.pilatel...@gmail.com y escribe en el asunto del mensaje la palabra BAJA
Using OpenBGPd as a route reflector in a ring topology
Hi, I'm currently using OpenBGPd as a plain BGP daemon on two servers acting as gateways, firewalls, ... I'm now planning to hook my other sites to the setup. The other sites can be hooked via some L2 connectivity (let's call it dark fiber, or 802.1Q over MPLS). Is it realistic to hook up those sites (6 sites) in a ring topology A--B--C--D--E--F | | considering that - a BGPd implementation on each site will act as a RR for its neighbors - ISPs links (where BGP announces are sent) will be available at sites A, B and E The goal is to avoid having to have a full mesh between those sites which would of course be more resilient, but also much more expensive since those sites are for some distant of some 1000 km. Thanks Laurent
Re: Voice Chat over IP?
On Mon, Feb 15, 2010 at 07:51:42AM -0600, Chris Bennett wrote: I want to set up voice chat with another computer in Guatemala from US. My ISP here blocks all incoming connections now so I need to ( I assume) use SSH Tunneling through my server to make this work. I looked at thread about voice chat with aucat, but I can't get aucat to run on my server. I get error: # aucat -l aucat: default: can't open device but aucat-user-id file is made in /tmp Hi, is this -current? check if you don't have other apps (eg other instances of aucat) using the audio device. IMO the simpler is to use a real telephony app. If you can't, once you manage to start aucat and to make playback and recording work on both machines you could do the following: aucat -e u8 -C 0:0 -r 8000 -o - | ssh host aucat -e u8 -r 8000 -c 0:0 -i - this allows the other person to hear you. He could talk to you by running the same command on his machine. If it works, you can use -e, -r, -z, -b, -r, ... to adjust quality and latency, then create the appropriate sub-devices to prevent evesdropping and so on. -- Alexandre
Re: HIFN 7955 Support in OpenBSD 4.6 on AMD Geode LX800 System
Liam Farr liamf...@me.com wrote: The 'numbers' are in 1000s of bytes per second processed. type 16 bytes 64 bytes256 bytes 1024 bytes 8192 bytes aes-128-cbc193.60k 681.73k 2049.24k 6516.71k12357.51k aes-256-cbc188.07k 656.00k 2048.68k 6462.63k12346.79k What I am really trying to achieve is decent throughput on SFTP file transfers, Did you configure ssh (or sshd) to actually use a crypto algorithm supported by hifn? ssh now defaults to aes128-ctr, which is not accelerated. -- Christian naddy Weisgerber na...@mips.inka.de
Re: OpenNTPd source IP
* Stuart Henderson s...@spacehopper.org [2010-02-10 20:32]: On 2010-02-10, Baginski Darren kick...@ya.ru wrote: Ihave multihomed server with and willing to specify outgoing IP for ntpd, since stratum 1 server allows connection olnly from IP and OpenNTPd chouses IP closest to destination. Unfortunately I didn't find any option for that, if any please advise. If not, are any plans to have such option? So I've patched couple of files to achive that behaviour, it's a hack but works for me. Source ip should be specifyed with -o N.X.Y.Z . If anywhere, that should be in the config file. (An alternative hack is to nat the outgoing packets). i don't see much value in this option at all to be honest. Another question is if any lex file for http://www.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/ntpd/parse.y or it has been created by hand? I'm pretty sure it's by hand. yes, all our lexers are handrolled, lex sucks. check yylex() in parse.y -- Henning Brauer, h...@bsws.de, henn...@openbsd.org BS Web Services, http://bsws.de Full-Service ISP - Secure Hosting, Mail and DNS Services Dedicated Servers, Rootservers, Application Hosting
Re: OT: opinions on IDS / IPS solutions
On Wed, Feb 17, 2010 at 10:59:05PM -0500, Jason Beaudoin wrote: As I often have greater respect for a much larger portion of this list than the rest of the internet, I am curious what is thought about current IDS/IPS hardware from vendors like Trustwave, Checkpoint, Alert Logic, mod_security, even snort.. etc, and in particular, the sensibility and effectiveness of using them in high-security environments. They're very-overpriced junk. Let me explain why. First, if you're using a good firewall (like pf on OpenBSD) and you've configured it sensibly (read: default deny-all, bidirectionally) and you've done the other things that good network and system design tell you to do, then you've done far more for your operation's security than any of these overpriced overhyped devices will do for you. Don't forget the value of application-aware proxies behind a stateful packet filter. And don't forget to drop packets to/from as much of the Internet as you can -- see ipdeny.com. (Do you *really* need to allow incoming port 22 connections from Korea? Peru? the US?) Also use the Spamhaus DROP list in your perimeter devices *and* in onboard firewalls just in case there's a configuration screwup. Once you've done this, you can fret a lot less about what particular SQL injection attack is being carried via HTTP...because you're not even allowing [most of] the packets to get anywhere near a web server. Second, these devices are guaranteed to fail when you'll need them most: when an attack comes that they don't have a signature for, won't recognize, and won't stop. (And please don't anyone tell me that this won't happen: the Bad Guys can test against them, too, you know.) See Marcus Ranum's Six Dumbest Ideas in Computer Security and note #2: Enumerating Badness, which is expounds the fundamental error that all these devices make. Quoting Ranum: One clear symptom that you have a case of Enumerating Badness is that you've got a system or software that needs signature updates on a regular basis, or a system that lets past a new worm that it hasn't seen before. Yeah. Like that. Third, any sufficiently determined attacker will either bypass or elude these devices. I don't know where you are, what your operation is, etc., but I'll bet that if I *really* wanted to get inside it, that handing out free USB memory sticks (with your company's logo on them) to your colleagues in the parking lot would be enough to gain a foothold. So rather than buying one of these, I think a much more prudent step would be to install *internal* firewalls that treat end-user systems as untrusted. To put it another way: your own users are easily the biggest threat. Presume that they are either apathetic, idiotic, or actively hostile, and defend accordingly. ---Rsk
Re: OT, .. but has anyone seen a crontab editor
On Fri, 19 Feb 2010, Lars Nooden wrote: L. V. Lammert wrote: ... no way I'd saddle some of these guys with vi, much less setting the cron time parameters correctly. Then you are far, far better off not letting them anywhere near the server room if they are that unqualified. No, that isn't going to work. This isn't some elitist club - if we can't provide a simple, sane, safe way for a [priviledged] user to push a backup image out to a DR server, than *we* have failed as technologists. Lee
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more OT than you think Re: OT, .. but has anyone seen a crontab editor
On Fri, 19 Feb 2010, L. V. Lammert wrote: No, that isn't going to work. This isn't some elitist club - if we can't provide a simple, sane, safe way for a [priviledged] user to push a backup image out to a DR server, than *we* have failed as technologists. Lee You are missing the point of privilege then. Privilege gives you access to tools and right to shoot yourself in the foot. It is obvious to me that someone was elevated to a privileged level without having the necessary skill set. Perhaps the better question is why are unqualified people giving the tools to shoot themself? Sounds like a management issue, not a system design issue. The question really is, is the cost of experienced personnel more than the cost of educating your inexperienced staff to a proficiency level high enough to gain privileged access? If so, train your staff, otherwise expect to have visits to your office because someone shot your organization in the foot. diana
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Re: Dump levels ?
On Thu, Feb 18, 2010 at 10:54:55PM +0100, Jean-Francois wrote: Is it possible to clarify what resides behind the concept of levels regarding dump(8) ? For me the level 0 is understood to be a complete dump of all files on at a given mount point and all subdirectories. But I can't figure out what upper levels are. A dump at level N includes everything modified since the last dump at N-1 or lower. Thus, for example, if on Monday we do a level 0 dump of /foo, and then on Tuesday, we do a level 1 dump of /foo, that second dump will contain everything that's changed in the last day. If on Wednesday, we do a level 3 dump of /foo (note that I skipped level 2 on purpose) then we will have everything that changed since Tuesday, since 3 1. If on Thursday, we NOW do a level 2 dump of /foo, we will have everything that changed since the level 1 on Tuesday -- two days' worth of changes. This all works as planned provided you give u flag to dump, which instructs it keep track (in /etc/dumpdates) of which filesystems it has dumped and when. Note (a) that filesystems are tracked by device, so that if you umount /foo and remount it as /bar, the right thing happens and (b) the timestamp used is the time that the dump BEGINS, but it is not written into the file until the dump ENDS. (This is part of the set of mechanisms which deal with changes that take place while dump is running.) Dump's various levels provide a lot of ways to minimize one or more of (1) dump run time (2) dump output size (3) number of dumps required to restore a failed filesystem. For example, if you did level 0 dumps every day, you would maximize (1) and (2) but minimize (3), since it would always be 1. For another example, if you did level 0 dumps on Sunday and 1-6 Monday-Saturday, then you would cut down (1) and (2) considerably six days a week, but you might need to restore as many as 7 dumps which means you've pushed (3) fairly high. So choosing which scheme is appropriate for you requires having knowledge of your environment and answering questions like: - how much backup space do you have? - do you lose entire disks often? - do your users screw up and require restores often? - do you have an open or limited backup window? - what are you backing up? - does the data you're backup up compress well? among many others. None of the schemes thus derived are really right or wrong per se, as long as data can be retrieved; they're just more or less optimal given the environment. ---Rsk
Re: OT, .. but has anyone seen a crontab editor
On Fri, Feb 19, 2010 at 8:21 AM, L. V. Lammert l...@omnitec.net wrote: No, that isn't going to work. This isn't some elitist club - if we can't provide a simple, sane, safe way for a [priviledged] user to push a backup image out to a DR server, than *we* have failed as technologists. Wait. What the hell is so hard about: j...@eris:~ $ man -k crontab crontab (1) - maintain crontab files for individual users crontab (5) - tables for driving cron j...@eris:~ $ man 5 crontab [...] While lines in a user crontab have five fixed fields plus a command in the form: minute hour day-of-month month day-of-week command [...] If the [privileged] user is unwilling to learn, and further unwilling to look this stuff up online to check his setups are right, and -worse- unwilling to check their work (you know, that thing you're supposed to have learned to do in elementary school before you turn in your homework), we should provide a framework around their needs? Really? Being a UNIX Systems Admin means knowing your tools, and most importantly your toolkits. Cron is a tool, making it simpler for a new admin is doing you both a disservice in the long run. jb
Re: more OT than you think Re: OT, .. but has anyone seen a crontab editor
On Fri, Feb 19, 2010 at 12:36 PM, Diana Eichert deich...@wrench.com wrote: snip thread You are missing the point of privilege then. Privilege gives you access to tools and right to shoot yourself in the foot. It is obvious to me that someone was elevated to a privileged level without having the necessary skill set. Perhaps the better question is why are unqualified people giving the tools to shoot themself? Sounds like a management issue, not a system design issue. That this is a management issue is central, I think. It sounds like management wishes to provide lusers with safe tools, also called wizards in some benighted circles. The question really is, is the cost of experienced personnel more than the cost of educating your inexperienced staff to a proficiency level high enough to gain privileged access? If so, train your staff, otherwise expect to have visits to your office because someone shot your organization in the foot. Are the days when a professional was expected to know everything in his area gone? At my first programming job, which was on Cyber 174s running NOS, I was given two manuals, an empty office and told to familiarize myself with it for a couple of days. As a maintenance programmer, my training consisted of a thick listing of the program I was to maintain, and access to the original programmer. Later, when minicomputers came in, I was told Learn VMS. We had the manuals. At various times I was simply told to Learn OS/360 and finally Learn Unix. Most of this learning took place at home, on my own time. The idea of sending a professional engineer to a class on using vi or somesuch was insane. (This was not a stingy company -- they'd send employees to grad classes at Stanford if *needed*, or to specialized classes (I recall one in programming SGI's then-new geometry pipeline). To the OP, buy the people vi in a nutshell (OReilly [*]), and give them a printed copy of the cron* (*) manpages. Tell them to get it together in three days of night study. If they balk at it or fail, transfer them to the mailroom or to the curb. If the lusers are not computer professionals, hire some. If the lusers are stupid, give them scripts. Don't give them root. :) If they just can't use vi, well, doesn't crontab -e support the VISUAL environmental variable? [Of course it does.] They can use some other ascii-editor. [*] Consider giving each luser a gift certificate for OReilly. Best wishes, Dave -- teh googlez read my emails 'n' STUFF LOLZ!!! urz 2!!! LOLZ!!!
Re: OT, .. but has anyone seen a crontab editor
On Fri, 19 Feb 2010, Johan Beisser wrote: On Fri, Feb 19, 2010 at 8:21 AM, L. V. Lammert l...@omnitec.net wrote: No, that isn't going to work. This isn't some elitist club - if we can't provide a simple, sane, safe way for a [priviledged] user to push a backup image out to a DR server, than *we* have failed as technologists. Wait. What the hell is so hard about: If you have to ask what's so hard, it's too hard. The OP was about making the process **SIMPLE**, .. not complicated. Man pages are used to learn about a command, .. not a way to perform a specific command such as change the replicatio0 schedule to start at 8PM instead of 6PM. While lines in a user crontab have five fixed fields plus a command in the form: minute hour day-of-month month day-of-week command [...] Yeah right. That isn't SIMPLE by any definition. Being a UNIX Systems Admin means knowing your tools, and most importantly your toolkits. Cron is a tool, making it simpler for a new admin is doing you both a disservice in the long run. The question was about a way to provide a way to change a crontab entry for ***NON SYS ADMINS***. Lee
Re: OT, .. but has anyone seen a crontab editor
On 19 February 2010 11:21, L. V. Lammert l...@omnitec.net wrote: On Fri, 19 Feb 2010, Lars Nooden wrote: L. V. Lammert wrote: ... no way I'd saddle some of these guys with vi, much less setting the cron time parameters correctly. Then you are far, far better off not letting them anywhere near the server room if they are that unqualified. No, that isn't going to work. This isn't some elitist club - if we can't provide a simple, sane, safe way for a [priviledged] user to push a backup image out to a DR server, than *we* have failed as technologists. If *you* are letting underqualified users have privileged access to an Unix machine then the failure here is *you*. If *you* can't spend five minutes teaching your sys admins how to use 'crontab -e' then the failure here is *you*. If *you* are deploying an operating system that you don't have a qualified admin to handle then the failure here is *you*. It sounds to me like you don't have basic sys admin types, you have a bunch of Microsoft folks that don't actually know anything about system administration, they just know how to click okay. Teach them how to use Unix, they'll be better off for it. This isn't an OpenBSD or software issue (because the tools exist to easily and safely edit cron, and to easily and safely backup your system), this is a personnel issue - and if you can't be buggered to teach your admins how to use the tools provided, you should probably use a different system, just don't use Unix because the tools are pretty standard. kmw -- A: Maybe because some people are too annoyed by top-posting. Q: Why do I not get an answer to my question(s)? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing?
Re: OT, .. but has anyone seen a crontab editor
On Fri, 19 Feb 2010, Kevin Wilcox wrote: If *you* are letting underqualified users have privileged access to an Unix machine then the failure here is *you*. Didn't say they had access to the **MACHINE** THAT'S THE WHOLE POINT FOR THE NCURSES QUESTION, if you had bothered to read the OP instead of bitching about what you THOUGHT it meant. Sheesh. Lee
Re: Refusal to mention OpenBSD in a MSc Advanced Networking course
Hehe. I did APL. Was gonna be the next best thing to sliced bread ;-) I'm sure you meant to write ``bake-only sliced bread'' here! Miod
Re: more OT than you think Re: OT, .. but has anyone seen a crontab editor
On Fri, 19 Feb 2010, Diana Eichert wrote: On Fri, 19 Feb 2010, L. V. Lammert wrote: No, that isn't going to work. This isn't some elitist club - if we can't provide a simple, sane, safe way for a [priviledged] user to push a backup image out to a DR server, than *we* have failed as technologists. Lee You are missing the point of privilege then. No, you missed the original topic. Thanks anyway, Lee
Re: OT, .. but has anyone seen a crontab editor
On Fri, 19 Feb 2010, FRLinux wrote: On Fri, Feb 19, 2010 at 1:08 AM, L. V. Lammert l...@omnitec.net wrote: Found one tcl/tk at: http://www.linux-kheops.com/pub/vcron/vcronGB.html but running an X tool would app would be too complicated for this requirement. Wow, from the page BE CARREFUL, some Slackware seem to have an access right problem for at, which must be fixed ( chmod 777 /var/spool/atjobs ), in order to get vcron running ! Seriously... Steph Yep, .. that's one reason I don't want to use it. We'll probably end up creating our own tool with nCurses that looks something like vcron. It just feels like we're recreating the wheel, however. Lee
Re: OT, .. but has anyone seen a crontab editor
On Fri, Feb 19, 2010 at 7:50 PM, L. V. Lammert l...@omnitec.net wrote: Yep, .. that's one reason I don't want to use it. We'll probably end up creating our own tool with nCurses that looks something like vcron. It just feels like we're recreating the wheel, however. Well, I believe that dropping a badly designed application is not reinventing the wheel. Steph
Re: Refusal to mention OpenBSD in a MSc Advanced Networking course
2010/2/13 Tomas Bodzar tomas.bod...@gmail.com People which like S/M (iptables) are able to follow only one argument - punch them. It's something which makes them happy :-D Now something more seriously. I think that it will be possible to write about iptables and provide (eg. as comment) how-to for OpenBSD in same time to show how easy can things be. And you can include this link http://www.ranum.com/security/computer_security/editorials/dumb/index.html maybe he is enough clever and not so fanatic that he will be able to find some signs of Linux in these times. So take it as a quest for you to learn something new (even if it's bad) so then you will have more arguments for your future in school, life or profession. +1 Great I think the same, the better is when you know more! On Sat, Feb 13, 2010 at 9:06 AM, TS Lura tsl...@gmail.com wrote: Dear OpenBSD community, I'm a student for a MSc Advanced Networking degree. I have a little situation maybe you guys could give me some feedback on. The issue is that my module leader is refusing even to consider mentioning OpenBSD, or any BSD in introductory Linux course where the focus is on network services. DNS, iptables, Apache. It is a introductory course, with limited time. So it's understandable that one has to be level-headed on what's to go in as material in the course. My argument is only to have a reference to OpenBSD, PF, and maybe the jailing of named, when we go through the topics of iptables, and DNS. My professor (the module leader) argue that almost no one is using BSD, and those that does is probably 70+ and so it will soon die off, in a humours tone. In more serious tone, lack of applications. I'm a bit resigned by this attitude, because we are at a master level about networking. We learn about all the technologies surrounding B routers, switches, wan, security, etc. B As such I think that OpenBSD is really a bean to be counted when we learn about open/free software. So in relation to this, I would argue that OpenBSD is a excellent platform for networking services. I have said so in writing, and verbally only to be brushed off. I feel it's game over, at this point. But maybe you guys have some suggestion about good arguments that might persuade my professor? Cheers, TSLura. PS. This might be the wrong crowd, but I also argue for the documents on the internal web-learning facility to be published in PDF (ISO 32000 standard) (he insist on doc), and that Linux at least once should be mentioned as GNU/Linux.(system-tools/Kernel, to pay tribute). This is also met in the same way as my BSD arguments. Which I find strange, since my professor has developed a bit of stuff for the GNU/Linux platform. -- http://www.openbsd.org/lyrics.html -- Atentamente Andris Genovez Tobar / Sistemas COMERCIAL SALVADOR PACHECO MORA S.A. / DESDE 1945 Tecnologmas Cuenca, Av. 27 de Febrero y Jacinto Flores Esq. http://www.cspmsa.com Telifono. 593-7-2842388 ext 408 Fax. 593-7-2842388 ext 120 Celular: 593-97670874 PIN BB: 258F58F4 Jabber: bitfr...@asgard.crice.org MSN: andresgeno...@msn.com Mail: ageno...@cspmsa.com Personal: andresgeno...@gmail.com http://www.crice.org
Re: OT, .. but has anyone seen a crontab editor
On Fri, Feb 19, 2010 at 1:08 AM, L. V. Lammert l...@omnitec.net wrote: Found one tcl/tk at: http://www.linux-kheops.com/pub/vcron/vcronGB.html but running an X tool would app would be too complicated for this requirement. Wow, from the page BE CARREFUL, some Slackware seem to have an access right problem for at, which must be fixed ( chmod 777 /var/spool/atjobs ), in order to get vcron running ! Seriously... Steph
Re: OT, .. but has anyone seen a crontab editor
Users can edit their own crontabs. You can set for them some GUI editor trough variable for crontab and prepare some icon on desktop or something similar. But if you want for them to be able to edit root crontab then reactions of other people here are valid. PS: I'm curious why non-sysadmin aka normal user need in these times edit crontab as more then 95% of normal users is not able to eg. work with directories/files in file manager. I'm relatively young but I know that use of crontab and similar CLI stuff was standard in 70's or 80's for secretaries, people from academy area and similar. On Fri, Feb 19, 2010 at 8:32 PM, L. V. Lammert l...@omnitec.net wrote: On Fri, 19 Feb 2010, Johan Beisser wrote: On Fri, Feb 19, 2010 at 8:21 AM, L. V. Lammert l...@omnitec.net wrote: No, that isn't going to work. This isn't some elitist club - if we can't provide a simple, sane, safe way for a [priviledged] user to push a backup image out to a DR server, than *we* have failed as technologists. Wait. What the hell is so hard about: If you have to ask what's so hard, it's too hard. The OP was about making the process **SIMPLE**, .. not complicated. Man pages are used to learn about a command, .. not a way to perform a specific command such as change the replicatio0 schedule to start at 8PM instead of 6PM. B While lines in a user crontab have five fixed fields plus a command in the form: B B B B B B minute hour day-of-month month day-of-week command B [...] Yeah right. That isn't SIMPLE by any definition. Being a UNIX Systems Admin means knowing your tools, and most importantly your toolkits. Cron is a tool, making it simpler for a new admin is doing you both a disservice in the long run. The question was about a way to provide a way to change a crontab entry for ***NON SYS ADMINS***. B B B B Lee
Re: OT, .. but has anyone seen a crontab editor
yep I tested it now because I use just vi for it. $ export VISUAL=/usr/bin/gedit $ echo $VISUAL /usr/bin/gedit $ crontab -e will start gedit and I can modify my crontab in GUI editor. Man pages even on Linux are pretty straightforward and if someone can't understand how to use those 5 columns then there is a bigger problem to solve then which OS or editor to use. On Fri, Feb 19, 2010 at 9:02 PM, Tomas Bodzar tomas.bod...@gmail.com wrote: Users can edit their own crontabs. You can set for them some GUI editor trough variable for crontab and prepare some icon on desktop or something similar. But if you want for them to be able to edit root crontab then reactions of other people here are valid. PS: I'm curious why non-sysadmin aka normal user need in these times edit crontab as more then 95% of normal users is not able to eg. work with directories/files in file manager. I'm relatively young but I know that use of crontab and similar CLI stuff was standard in 70's or 80's for secretaries, people from academy area and similar. On Fri, Feb 19, 2010 at 8:32 PM, L. V. Lammert l...@omnitec.net wrote: On Fri, 19 Feb 2010, Johan Beisser wrote: On Fri, Feb 19, 2010 at 8:21 AM, L. V. Lammert l...@omnitec.net wrote: No, that isn't going to work. This isn't some elitist club - if we can't provide a simple, sane, safe way for a [priviledged] user to push a backup image out to a DR server, than *we* have failed as technologists. Wait. What the hell is so hard about: If you have to ask what's so hard, it's too hard. The OP was about making the process **SIMPLE**, .. not complicated. Man pages are used to learn about a command, .. not a way to perform a specific command such as change the replicatio0 schedule to start at 8PM instead of 6PM. B While lines in a user crontab have five fixed fields plus a command in the form: B B B B B B minute hour day-of-month month day-of-week command B [...] Yeah right. That isn't SIMPLE by any definition. Being a UNIX Systems Admin means knowing your tools, and most importantly your toolkits. Cron is a tool, making it simpler for a new admin is doing you both a disservice in the long run. The question was about a way to provide a way to change a crontab entry for ***NON SYS ADMINS***. B B B B Lee
Re: Dump levels ?
On Thu, Feb 18, 2010 at 11:51:23PM +0100, Jean-Francois wrote: Le Jeudi 18 Fivrier 2010 23:43:38, Adriaan a icrit : On Thu, Feb 18, 2010 at 11:21 PM, Jean-Francois jfsimon1...@gmail.com wrote: [snip] My dump level 1 dumps all the files again. How to let it dump based on the lower level ? I did as follows : sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var/www/htdocs/ sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.1 /var/www/htdocs/ You did two level 0 dumps, so what else you expect ?;) Mistyped the mail. I proceed in this way and get two times the same dump. Is it normal ? sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var/www/htdocs/ sudo dump -1ua -f /mnt/tera/backup/2010.02.18_www.1 /var/www/htdocs/ Show your dump output. Of both runs. -Otto
Re: Kernel page fault trap, code=0, uvm_fault, what to do next
* Marcin Wilk nic...@nicram.sytes.net [2010-02-12 10:04]:
uvm_fault(0xd0891180, 0x4000, 0, 3) -e
kernel: page fault trap, code=0
Stopped at pf_state_key_detach+0x40: movl %eax0,4(%ecx)
ddb{0}
dmesg:
OpenBSD 4.6 (NICRAM.MP) #0: Wed Feb 10 12:10:36 CET 2010
get stable. and use GENERIC.
--
Henning Brauer, h...@bsws.de, henn...@openbsd.org
BS Web Services, http://bsws.de
Full-Service ISP - Secure Hosting, Mail and DNS Services
Dedicated Servers, Rootservers, Application Hosting
Re: pf packet tagging and keep state
* Agung T. Apriyanto dup...@gmail.com [2010-02-13 11:19]: if a packet already has a state, it would ignore re-read the whole filter rule in the same interface, yes ? yes. even when that packet get tagged but in the same interface, i mean, state will ignore tag and tagged if they were on same interface, thus there will be no re-evaluate rule. am i right ? i have a hard time extracting anything that would make sense from the above. in general, tag/tagged influences ruleset evaluation. once state is created there is no ruleset eval any more for packets matching that state. -- Henning Brauer, h...@bsws.de, henn...@openbsd.org BS Web Services, http://bsws.de Full-Service ISP - Secure Hosting, Mail and DNS Services Dedicated Servers, Rootservers, Application Hosting
Re: MAX_KMAPENT and NKMEMPAGES
* Vasiliy Kiryanov vasiliy.kirya...@gmail.com [2010-02-18 18:08]: Hello Community. There are 2 parameters that I would want to understand better and trace somehow: MAX_KMAPENT, and NKMEMPAGES. they don't really matter any more. notice: I have found only one source of such info: Running and tuning OpenBSD network server in a production environment (Oct 8, 2002) http://www.openbsd.org/papers/tuning-openbsd.ps this is 99% irrelevant these days. I have rebuilt kernel with following values: option NKMEMPAGES=32768 option MAX_KMAPENT=3072 MAX_KMAPENT check: # vmstat -s 6179 kernel map entries (how can it be more then 3072 ?) NKMEMPAGES check: # vmstat -m Memory resource pool statistics NameSize Requests FailInUse Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle mbpl 256 189887305 0 1239 49932 467 467 1 384 353 mcl2k 2048 1414599843 0 521 1857 0 1857 1857 4 3072 1590 People often write that we can find some correlation between these params and NKMEMPAGES. I can't find any correlation here, so any hints are welcome. you are not only randmly pushing buttons you don't understand, you also ended up pushing the wrong ones. the mbuf related pools these days are 1) way bigger by default than they used to be, and rarely need any adjustment at all and 2) the relevant one (mbuf cluster pool, mcl2k) grows on demand up to the value in sysctl kern.maxclusters. -- Henning Brauer, h...@bsws.de, henn...@openbsd.org BS Web Services, http://bsws.de Full-Service ISP - Secure Hosting, Mail and DNS Services Dedicated Servers, Rootservers, Application Hosting
Re: Dump levels ?
Le Vendredi 19 Fivrier 2010 21:15:46, Otto Moerbeek a icrit : On Thu, Feb 18, 2010 at 11:51:23PM +0100, Jean-Francois wrote: Le Jeudi 18 Fivrier 2010 23:43:38, Adriaan a icrit : On Thu, Feb 18, 2010 at 11:21 PM, Jean-Francois jfsimon1...@gmail.com wrote: [snip] My dump level 1 dumps all the files again. How to let it dump based on the lower level ? I did as follows : sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var/www/htdocs/ sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.1 /var/www/htdocs/ You did two level 0 dumps, so what else you expect ?;) Mistyped the mail. I proceed in this way and get two times the same dump. Is it normal ? sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var/www/htdocs/ sudo dump -1ua -f /mnt/tera/backup/2010.02.18_www.1 /var/www/htdocs/ Show your dump output. Of both runs. -Otto Not sure to understand the subtle of the man page explanations regarding the dump of different nature of mount points. Just one additional information, the dump of higher levels work when I dump /var but not /var/htdocs. $ sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var/www/htdocs/ DUMP: Ignoring u flag for subdir dump DUMP: Dumping sub files/directories from /var DUMP: Dumping file/directory /var/www/htdocs/ DUMP: Date of this level 0 dump: Fri Feb 19 21:47:18 2010 DUMP: Date of last level 0 dump: the epoch DUMP: Dumping /dev/rwd0g (/var) to /mnt/tera/backup/2010.02.18_www.0 DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 188530 tape blocks. DUMP: Volume 1 started at: Fri Feb 19 21:47:21 2010 DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: 196284 tape blocks on 1 volume DUMP: Date of this level 0 dump: Fri Feb 19 21:47:18 2010 DUMP: Volume 1 completed at: Fri Feb 19 21:47:33 2010 DUMP: Volume 1 took 0:00:12 DUMP: Volume 1 transfer rate: 16357 KB/s DUMP: Date this dump completed: Fri Feb 19 21:47:33 2010 DUMP: Average transfer rate: 16357 KB/s DUMP: Closing /mnt/tera/backup/2010.02.18_www.0 DUMP: DUMP IS DONE $ sudo dump -1ua -f /mnt/tera/backup/2010.02.18_www.1 /var/www/htdocs/ DUMP: Ignoring u flag for subdir dump DUMP: Subdir dump is done at level 0 DUMP: Dumping sub files/directories from /var DUMP: Dumping file/directory /var/www/htdocs/ DUMP: Date of this level 0 dump: Fri Feb 19 21:47:36 2010 DUMP: Date of last level 0 dump: the epoch DUMP: Dumping /dev/rwd0g (/var) to /mnt/tera/backup/2010.02.18_www.1 DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 188530 tape blocks. DUMP: Volume 1 started at: Fri Feb 19 21:47:39 2010 DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: 196284 tape blocks on 1 volume DUMP: Date of this level 0 dump: Fri Feb 19 21:47:36 2010 DUMP: Volume 1 completed at: Fri Feb 19 21:47:51 2010 DUMP: Volume 1 took 0:00:12 DUMP: Volume 1 transfer rate: 16357 KB/s DUMP: Date this dump completed: Fri Feb 19 21:47:51 2010 DUMP: Average transfer rate: 16357 KB/s DUMP: Closing /mnt/tera/backup/2010.02.18_www.1 DUMP: DUMP IS DONE $ sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var DUMP: Date of this level 0 dump: Fri Feb 19 21:47:58 2010 DUMP: Date of last level 0 dump: the epoch DUMP: Dumping /dev/rwd0g (/var) to /mnt/tera/backup/2010.02.18_www.0 DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 313894 tape blocks. DUMP: Volume 1 started at: Fri Feb 19 21:48:01 2010 DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: 334448 tape blocks on 1 volume DUMP: Date of this level 0 dump: Fri Feb 19 21:47:58 2010 DUMP: Volume 1 completed at: Fri Feb 19 21:48:22 2010 DUMP: Volume 1 took 0:00:21 DUMP: Volume 1 transfer rate: 15926 KB/s DUMP: Date this dump completed: Fri Feb 19 21:48:22 2010 DUMP: Average transfer rate: 15926 KB/s DUMP: level 0 dump on Fri Feb 19 21:47:58 2010 DUMP: Closing /mnt/tera/backup/2010.02.18_www.0 DUMP: DUMP IS DONE $ sudo dump -1ua -f /mnt/tera/backup/2010.02.18_www.1 /var DUMP: Date of this level 1 dump: Fri Feb 19 21:48:29 2010 DUMP: Date of last level 0 dump: Fri Feb 19 21:47:58 2010 DUMP: Dumping /dev/rwd0g (/var) to /mnt/tera/backup/2010.02.18_www.1 DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 601 tape blocks. DUMP: Volume 1 started at: Fri Feb 19 21:48:33 2010 DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: 413 tape blocks on 1 volume DUMP: Date of this level 1 dump: Fri Feb 19 21:48:29 2010 DUMP: Volume 1 completed at: Fri Feb 19 21:48:33 2010 DUMP: Date this dump completed: Fri Feb 19 21:48:33 2010 DUMP: Average transfer rate: 0 KB/s DUMP: level 1 dump on Fri Feb 19 21:48:29 2010 DUMP:
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Re: Dump levels ?
On Fri, Feb 19, 2010 at 09:49:35PM +0100, Jean-Francois wrote: Le Vendredi 19 Fivrier 2010 21:15:46, Otto Moerbeek a icrit : On Thu, Feb 18, 2010 at 11:51:23PM +0100, Jean-Francois wrote: Le Jeudi 18 Fivrier 2010 23:43:38, Adriaan a icrit : On Thu, Feb 18, 2010 at 11:21 PM, Jean-Francois jfsimon1...@gmail.com wrote: [snip] My dump level 1 dumps all the files again. How to let it dump based on the lower level ? I did as follows : sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var/www/htdocs/ sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.1 /var/www/htdocs/ You did two level 0 dumps, so what else you expect ?;) Mistyped the mail. I proceed in this way and get two times the same dump. Is it normal ? sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var/www/htdocs/ sudo dump -1ua -f /mnt/tera/backup/2010.02.18_www.1 /var/www/htdocs/ Show your dump output. Of both runs. -Otto Not sure to understand the subtle of the man page explanations regarding the dump of different nature of mount points. Just one additional information, the dump of higher levels work when I dump /var but not /var/htdocs. $ sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var/www/htdocs/ DUMP: Ignoring u flag for subdir dump DUMP: Dumping sub files/directories from /var DUMP: Dumping file/directory /var/www/htdocs/ DUMP: Date of this level 0 dump: Fri Feb 19 21:47:18 2010 DUMP: Date of last level 0 dump: the epoch DUMP: Dumping /dev/rwd0g (/var) to /mnt/tera/backup/2010.02.18_www.0 DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 188530 tape blocks. DUMP: Volume 1 started at: Fri Feb 19 21:47:21 2010 DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: 196284 tape blocks on 1 volume DUMP: Date of this level 0 dump: Fri Feb 19 21:47:18 2010 DUMP: Volume 1 completed at: Fri Feb 19 21:47:33 2010 DUMP: Volume 1 took 0:00:12 DUMP: Volume 1 transfer rate: 16357 KB/s DUMP: Date this dump completed: Fri Feb 19 21:47:33 2010 DUMP: Average transfer rate: 16357 KB/s DUMP: Closing /mnt/tera/backup/2010.02.18_www.0 DUMP: DUMP IS DONE $ sudo dump -1ua -f /mnt/tera/backup/2010.02.18_www.1 /var/www/htdocs/ DUMP: Ignoring u flag for subdir dump DUMP: Subdir dump is done at level 0 There you go. Incremental dumps should be done at the filessytem level. -Otto DUMP: Dumping sub files/directories from /var DUMP: Dumping file/directory /var/www/htdocs/ DUMP: Date of this level 0 dump: Fri Feb 19 21:47:36 2010 DUMP: Date of last level 0 dump: the epoch DUMP: Dumping /dev/rwd0g (/var) to /mnt/tera/backup/2010.02.18_www.1 DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 188530 tape blocks. DUMP: Volume 1 started at: Fri Feb 19 21:47:39 2010 DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: 196284 tape blocks on 1 volume DUMP: Date of this level 0 dump: Fri Feb 19 21:47:36 2010 DUMP: Volume 1 completed at: Fri Feb 19 21:47:51 2010 DUMP: Volume 1 took 0:00:12 DUMP: Volume 1 transfer rate: 16357 KB/s DUMP: Date this dump completed: Fri Feb 19 21:47:51 2010 DUMP: Average transfer rate: 16357 KB/s DUMP: Closing /mnt/tera/backup/2010.02.18_www.1 DUMP: DUMP IS DONE $ sudo dump -0ua -f /mnt/tera/backup/2010.02.18_www.0 /var DUMP: Date of this level 0 dump: Fri Feb 19 21:47:58 2010 DUMP: Date of last level 0 dump: the epoch DUMP: Dumping /dev/rwd0g (/var) to /mnt/tera/backup/2010.02.18_www.0 DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 313894 tape blocks. DUMP: Volume 1 started at: Fri Feb 19 21:48:01 2010 DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: 334448 tape blocks on 1 volume DUMP: Date of this level 0 dump: Fri Feb 19 21:47:58 2010 DUMP: Volume 1 completed at: Fri Feb 19 21:48:22 2010 DUMP: Volume 1 took 0:00:21 DUMP: Volume 1 transfer rate: 15926 KB/s DUMP: Date this dump completed: Fri Feb 19 21:48:22 2010 DUMP: Average transfer rate: 15926 KB/s DUMP: level 0 dump on Fri Feb 19 21:47:58 2010 DUMP: Closing /mnt/tera/backup/2010.02.18_www.0 DUMP: DUMP IS DONE $ sudo dump -1ua -f /mnt/tera/backup/2010.02.18_www.1 /var DUMP: Date of this level 1 dump: Fri Feb 19 21:48:29 2010 DUMP: Date of last level 0 dump: Fri Feb 19 21:47:58 2010 DUMP: Dumping /dev/rwd0g (/var) to /mnt/tera/backup/2010.02.18_www.1 DUMP: mapping (Pass I) [regular files] DUMP: mapping (Pass II) [directories] DUMP: estimated 601 tape blocks. DUMP: Volume 1 started at: Fri Feb 19 21:48:33 2010 DUMP: dumping (Pass III) [directories] DUMP: dumping (Pass IV) [regular files] DUMP: 413 tape blocks on 1 volume DUMP:
Re: OT, .. but has anyone seen a crontab editor
On 19 February 2010 14:37, L. V. Lammert l...@omnitec.net wrote: On Fri, 19 Feb 2010, Kevin Wilcox wrote: If *you* are letting underqualified users have privileged access to an Unix machine then the failure here is *you*. Didn't say they had access to the **MACHINE** THAT'S THE WHOLE POINT FOR THE NCURSES QUESTION, if you had bothered to read the OP instead of bitching about what you THOUGHT it meant. Lee - if they don't have access to the machine then **why are you looking for alternatives to crontab**? If they don't have access to the machine then how in blazes are their changes going to useful other than as a text file on some random machine that isn't the one they need to be active on? Which is to say - I've read the entire thread so far and this is the first time you've said they won't have access to the machine. Instead of asking what is an alternative to foo, you should come out and say exactly what problem you need to solve, because as of this post it has become a moving target. kmw -- A: Maybe because some people are too annoyed by top-posting. Q: Why do I not get an answer to my question(s)? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing?
Re: Refusal to mention OpenBSD in a MSc Advanced Networking course
I can tell you that *BSD is alive and well, and if anything is thriving in the network, data centre, and hosting environments. A search of the NANOG mailing lists (anyone teaching networking should know what NANOG is), and the webhostingtalk.com forums (where many hosting providers participate) will show that people are running BSD for networking in production. Speaking of antiquated, the IPTables code was originally supposed to have been replaced by Nf-hipac back in 2005. IPTables is completely ineffective for large rule sets, due to the linear increase in resources required for each rule. Features like hashing of address lists, source-based rate-limiting, stateful failover, and synproxy are either missing or too immature for production use. Cheers, Han Hwei Woo TS Lura wrote: Thank you all for the replies. I might do a lecture on my own, presenting OpenBSD. If I where to do that it, as a subsection, would be cool to give references to other institutions that are using OpenBSD and why they are using it. Why one would use OpenBSD, over eg. GNU/Linux. Now I would site preemptive security, code correctness, it's easy to use; enable daemons through rc.conf, pf, openssh, possibility for zfs in kernel?, good documentation, jailing of daemons. It would also be cool to highlight any specific snazzy functionality. Something that would get (MSc/geeky) people to think. ooh, that's cool particular in relation to networking. eg. I think the scrubbing of packets in PF is kinda cool, pftop, see the interruptcounter for the nic and serial console. :P Maybe something related to cryptography, or general network gear(routers, switches) , or any new cool feature in PF or something that's expensive with Cisco but cheap and good with *BSD. ipsec?, VoIP? cool feature in OpenSSH. .tsl On Sun, Feb 14, 2010 at 12:57 AM, Corey clinge...@gmail.com wrote: On 02/13/2010 02:06 AM, TS Lura wrote: I feel it's game over, at this point. But maybe you guys have some suggestion about good arguments that might persuade my professor? Cheers, TSLura. You can look at it this way: you will have a leg up on your classmates because you have done enough self-study to be at least aware of BSD, aand OpenBSD in particular. They, on the other hand (well, some of them at least), will equate Unix/Open Source with Linux.
Re: Dump levels ?
On Fri, Feb 19, 2010 at 12:49 PM, Jean-Francois jfsimon1...@gmail.com wrote: ... Not sure to understand the subtle of the man page explanations regarding the dump of different nature of mount points. Just one additional information, the dump of higher levels work when I dump /var but not /var/htdocs. The key is the last sentence of this paragraph from the dump(8) manpage: files-to-dump is either a mountpoint of a filesystem or a list of files and directories on a single filesystem to be backed up as a subset of the filesystem. In the former case, either the path to a mounted filesystem or the device of an unmounted filesystem can be used. In the latter case, certain restrictions are placed on the backup: -u is ignored, the only dump level that is supported is -0, and all of the files must reside on the same filesystem. So, if you're not dumping an entire filesystem, then you always get a full (level 0) dump. (Why? At least part of the reason is that if you're not doing the full filesystem, inode ctime isn't sufficient to determine whether a file would be new to the dump.) Philip Guenther
Re: OT, .. but has anyone seen a crontab editor
On 19 February 2010 14:32, L. V. Lammert l...@omnitec.net wrote: On Fri, 19 Feb 2010, Johan Beisser wrote: What the hell is so hard about: If you have to ask what's so hard, it's too hard. The OP was about making the process **SIMPLE**, .. not complicated. Man pages are used to learn about a command, .. not a way to perform a specific command such as change the replicatio0 schedule to start at 8PM instead of 6PM. Man pages typically have examples. 'man 5 crontab' gives me a full breakdown of the field and allowed values, and further down gives a couple of examples of entries with a full description of what the examples do. It's called learning and you are intentionally being difficult. B While lines in a user crontab have five fixed fields plus a command in the form: B B B B B B minute hour day-of-month month day-of-week command B [...] Yeah right. That isn't SIMPLE by any definition. As I said, you're intentionally being difficult. That is really simple. 0 5 * * * /usr/local/bin/backup.sh Every day at 0500 run /usr/local/bin/backup.sh. How is that difficult once you see the format? Being a UNIX Systems Admin means knowing your tools, and most importantly your toolkits. Cron is a tool, making it simpler for a new admin is doing you both a disservice in the long run. The question was about a way to provide a way to change a crontab entry for ***NON SYS ADMINS***. No, the question was about an alternative to editing cron entries for basic sys admin types, that's a far cry from non sys admins. kmw -- A: Maybe because some people are too annoyed by top-posting. Q: Why do I not get an answer to my question(s)? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing?
Re: OT, .. but has anyone seen a crontab editor
On Fri, 19 Feb 2010, Kevin Wilcox wrote: On 19 February 2010 14:37, L. V. Lammert l...@omnitec.net wrote: Didn't say they had access to the **MACHINE** THAT'S THE WHOLE POINT FOR THE NCURSES QUESTION, if you had bothered to read the OP instead of bitching about what you THOUGHT it meant. Lee - if they don't have access to the machine then **why are you looking for alternatives to crontab**? Changes to the actual machines will be pushed via ssh, .. but that's way too much detail for the level of the question I was asking. Lee
Re: OT, .. but has anyone seen a crontab editor
On Fri, 19 Feb 2010, Kevin Wilcox wrote: On 19 February 2010 14:32, L. V. Lammert l...@omnitec.net wrote: Man pages typically have examples. *BUT* man pages are not instructions to perform a task/function, .. and are irrelavent for this question. It's called learning and you are intentionally being difficult. No, you are not bothering to comprehend the question - these are *NOT* sysadmin types, .. and the procedure must be SIMPLE - open this nCurses application, check a different box, save and exit. Think Windoze, if you must. As I said, you're intentionally being difficult. That is really simple. 0 5 * * * /usr/local/bin/backup.sh To whom? Your I perhaps, . . but that is not within the scope of this requirement. Every day at 0500 run /usr/local/bin/backup.sh. How is that difficult once you see the format? Again, the original requirement is *SIMPLE* - no interpretation allowed. Click 5AM will work, 0 5 * * * will not. Remember, .. KISS rules. Lee
Re: OT, .. but has anyone seen a crontab editor
On 20/02/2010, at 10:14 AM, L. V. Lammert wrote: ... but that's way too much detail for the level of the question I was asking. Lee I couldn't dissagree more! I too have been following this thread, and I'm confused. Many people have jumped in and slammed various concepts - they're all pretty much right in what they've said, but they've all pretty much put their own interpretation on the original question, because it's **Not clear what problem you're actualy trying to solve.** I can imagine a situation where your question is valid and sensible, but that would be just be me going off on a tangent - give us some background, explain *properly* why the answers you've been given are unsatisfactory. I have to say, it does sound to me as if you're being deliberately obtuse. Give us the full story, and I'm sure you'll get a very good answer. Or several. paulm
Re: OT, .. but has anyone seen a crontab editor
On 19 February 2010 16:14, L. V. Lammert l...@omnitec.net wrote: On Fri, 19 Feb 2010, Kevin Wilcox wrote: On 19 February 2010 14:37, L. V. Lammert l...@omnitec.net wrote: Didn't say they had access to the **MACHINE** THAT'S THE WHOLE POINT FOR THE NCURSES QUESTION, if you had bothered to read the OP instead of bitching about what you THOUGHT it meant. if they don't have access to the machine then **why are you looking for alternatives to crontab**? Changes to the actual machines will be pushed via ssh, .. but that's way too much detail for the level of the question I was asking. This is the *exact* level of detail that's needed. You don't need an alternative method of editing crontab, you need to be able to write cron-compatible files and have those pulled into cron. That's a *significant* difference. Rather than reply to your next email via a separate one, I'll include the responses below: No, you are not bothering to comprehend the question - these are *NOT* sysadmin types, .. and the procedure must be SIMPLE - open this nCurses application, check a different box, save and exit. The question was about editing a crontab entry. The question you originally asked was insufficient (and apparently the initial data you supplied was incorrect). What it should have been was I have a machine that I'm going to let some folks look after and I want to let some non sys-admin, non Unix folks change scheduled times for things to run in cron but they won't have any access to the machine other than via scp, is there a GUI that can write cron compatible output that I can then push to that remote machine? For that matter, I find edit this text file, change the 2 to a 5, save it to be simpler and more fool-proof, but difficult versus simple is relative; recompiling my FreeBSD kernel for PAE support is simple to me, telling someone how to clear their browser history and cache in Internet Explorer would be a much more difficult, more time consuming process. Remember, .. KISS rules. Cron *is* simple. You give it a time, you give it a command, it does its job. What you are trying to accomplish is completely separate from what you asked about. Now that you have provided some *necessary* information (the users *don't* have access to the machine, their inability to edit cron is not a skill issue but an access issue, et cetera), you might get a meaningful answer from anyone you haven't already pissed off by being difficult, being obstinate, being obdurate, failing to give the full parameters of what you are trying to accomplish and trying to back-track on what you said over the course of your own half-dozen or so emails on the subject. kmw -- A: Maybe because some people are too annoyed by top-posting. Q: Why do I not get an answer to my question(s)? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing?
Re: OT, .. but has anyone seen a crontab editor
if they don't have access to the machine then **why are you looking for alternatives to crontab**? Changes to the actual machines will be pushed via ssh, .. but that's way too much detail for the level of the question I was asking. Lee Actually, this is not too much info at all - it's absolutely critical information. Crontabs are not meant to be edited directly. Copying a text file by ssh counts as being edited directly. You must use crontab(1) to edit the file. If you cannot, or dont want to, then you need to impliment a proper system to remotely update a crontab - a far cry from your original question. paulm
Re: OT, .. but has anyone seen a crontab editor
On Sat, 20 Feb 2010, Paul M wrote: it's **Not clear whatproblem you're actualy trying to solve.** What's so difficult about need a way to edit crontab with something like an nCurses interface? That seems to be, by definition, simple, point-and-click, definate options, no man pages, no vi editors, ... I can imagine a situation where your question is valid and sensible, but that would be just be me going off on a tangent - give us some background, explain *properly* why the answers you've been given are unsatisfactory. I have to say, it does sound to me as if you're being deliberately obtuse. Certainly not intended, .. however I cannot imagine why the statment above does not describe the problem accurately succinctly. Give us the full story, and I'm sure you'll get a very good answer. Or several. The chaps tweaking the crontab entries are Windoze admins, and they need to adjust the start/stop times on cronjobs that start and stop replication services. It would *seem* that there would be a way to apply all this fancy technology we have in our toolkits for a simple, point-and-shoot (a la nCurses) UI that requires no a priori knowledege other than an account name password. Lee
Re: OT, .. but has anyone seen a crontab editor
On Fri, Feb 19, 2010 at 10:21:12AM -0600, L. V. Lammert wrote: No, that isn't going to work. This isn't some elitist club - if we can't provide a simple, sane, safe way for a [priviledged] user to push a backup image out to a DR server, than *we* have failed as technologists. There's nothing elitist about requiring baseline knowledge, and I think reading the man page for crontab and understanding what the fields mean sets that bar quite low. Anyone who can't clear that bar may be a nice person, a fine person, a wonderful person, but they have absolutely no business being in a system/network administration role. For whatever reason, they just don't have what it takes. Perhaps they'll go off and acquire it: people do learn and grow. But until/unless they do, they should be doing something else for a living, doubly so in the contemporary environment, where their ignorance/incompetence is an active menace to everyone else on the 'net. Or at least to your operation: surely something as critically important as backups can not, should not, be relegated to such people. Mister Hart, here is a dime. Take it, call your mother, and tell her there is serious doubt about you ever becoming a lawyer. --- Kingsfield I often find it remarkable that we had secretarial staff working at the command line and creating quite complex documents with troff, eqn, and tbl 25 years ago, yet so-called system administrators today can't use vi (let alone ed). ---Rsk
Re: OT, .. but has anyone seen a crontab editor
On Fri, Feb 19, 2010 at 5:14 PM, L. V. Lammert l...@omnitec.net wrote: The chaps tweaking the crontab entries are Windoze admins, and they need to adjust the start/stop times on cronjobs that start and stop replication Then have them create a Windows service that runs ssh and does whatever it is that needs doing. They can adjust the schedule to their hearts' content.
Re: OT, .. but has anyone seen a crontab editor
On 20/02/2010, at 11:14 AM, L. V. Lammert wrote: On Sat, 20 Feb 2010, Paul M wrote: it's **Not clear whatproblem you're actualy trying to solve.** What's so difficult about need a way to edit crontab with something like an nCurses interface? That seems to be, by definition, simple, point-and-click, definate options, no man pages, no vi editors, ... I can imagine a situation where your question is valid and sensible, but that would be just be me going off on a tangent - give us some background, explain *properly* why the answers you've been given are unsatisfactory. I have to say, it does sound to me as if you're being deliberately obtuse. Certainly not intended, .. however I cannot imagine why the statment above does not describe the problem accurately succinctly. This seems to be the crux of the problem. To you the question is accurate and succinct - to most others who have responded. it is not. Who is right and who is wrong? who cares, point is we need the full story, even if you dont understand why. paulm One more point to make, I dont know if it has any relevance, I'm just inventing a situation here in the absense of the full story. If it doesnt apply, then just ignore. If you impliment a graphical ui which gives uneducated/inexperienced 'admins' unrestricted (remote) access to root's crontab, that would be incredibly stupid. If you do impliment a system, (either your own or an existing tool) then it should have proper access controls and validity checking to ensure they can only change the info that they should be changing. This probably means rolling your own.
Re: OT, .. but has anyone seen a crontab editor
I am very impressed by the oratary skills you have all shown in this discussion... but please... can this thread be terminated soon? On Sat, 20 Feb 2010, Paul M wrote: it's **Not clear whatproblem you're actualy trying to solve.** What's so difficult about need a way to edit crontab with something like an nCurses interface? That seems to be, by definition, simple, point-and-click, definate options, no man pages, no vi editors, ... I can imagine a situation where your question is valid and sensible, but that would be just be me going off on a tangent - give us some background, explain *properly* why the answers you've been given are unsatisfactory. I have to say, it does sound to me as if you're being deliberately obtuse. Certainly not intended, .. however I cannot imagine why the statment above does not describe the problem accurately succinctly. This seems to be the crux of the problem. To you the question is accurate and succinct - to most others who have responded. it is not. Who is right and who is wrong? who cares, point is we need the full story, even if you dont understand why. paulm One more point to make, I dont know if it has any relevance, I'm just inventing a situation here in the absense of the full story. If it doesnt apply, then just ignore. If you impliment a graphical ui which gives uneducated/inexperienced 'admins' unrestricted (remote) access to root's crontab, that would be incredibly stupid. If you do impliment a system, (either your own or an existing tool) then it should have proper access controls and validity checking to ensure they can only change the info that they should be changing. This probably means rolling your own.
Re: Refusal to mention OpenBSD in a MSc Advanced Networking course
Duncan Patton a Campbell wrote: On Sun, 14 Feb 2010 08:11:21 -0700 (MST) Diana Eichert deich...@wrench.com wrote: On Sat, 13 Feb 2010, Steve Shockley wrote: On 2/13/2010 6:49 PM, Diana Eichert wrote: PS when I went to college BSD didn't exist and I turned out okay The overly pedantic part of me wonders if you went to college pre-'77... my introductory CS class was Algol-W, you figure out the timeline. ;-) diana Hehe. I did APL. Was gonna be the next best thing to sliced bread ;-) I did Algol-W, APL and SNOBOL (among others). I do not remember which order. There was also group on campus working on a multi-platform OS called THOTH written in Eh (but came after B and C appeared). I seem to recall the third hardware was running this OS in about 8 hours.
Re: fsck segfault on a big partition, 4.6
Joe Gidi [...@entropicblur.com] wrote: Does this mean that amd64 can now handle 4G of RAM, or is that a separate issue? Separate issue But if you have an iommu device and you set bigmem=1 then it might work for you
Re: OT, .. but has anyone seen a crontab editor
On Thu, Feb 18, 2010 at 07:08:44PM -0600, L. V. Lammert wrote: that would be useable for basic sysadmin types (maybe something nCurses)? 'crontab -e' Unless basic admin had developed some new meaning of which I am unaware. -- Chris Dukes
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Re: Dump levels ?
On Thu, Feb 18, 2010 at 2:11 PM, and...@msu.edu wrote: Dump levels other than 0 allow you to make partial dumps. I used to do dump level 0's at the start of the month. Then from Monday to Thursday I'd to dump 9's. Each dump would save things from the previous 9 (or 0 the first time). Friday's I'd do a level 8. Thus each M-T I'd save the days work, Friday I'd save the weeks work. Then at the start of the next month a level 0 dump would make a copy of everything. Each dump level going downwards saves all the data from previous (higher) numbered dumps. Just to confirm or unconfuse myself if you're doing dump 9s on Monday to Thursday aren't you getting everything from the previous days each dump rather than just the day before? I thought to get just the files changed on a particular day you'd have to go: Mon - dump 5 Tues - dump 6 Wed - dump 7 Thurs - dump 8 Fri - dump 4 -- Dethink to survive - Mclusky
Traffic control
Hello, Misc. Will rewritten (updated and improved) implementation of the existing traffic control system altq?
Re: Traffic control
On Sat, 20 Feb 2010 06:01:18 +0200, americano wrote: Hello, Misc. Will rewritten (updated and improved) implementation of the existing traffic control system altq? Will swim dingo? *** NOTE *** Please DO NOT CC me. I am subscribed to the list. Mail to the sender address that does not originate at the list server is tarpitted. The reply-to: address is provided for those who feel compelled to reply off list. Thankyou. Rod/ --- This life is not the real thing. It is not even in Beta. If it was, then OpenBSD would already have a man page for it.
