Re: [CentOS] Show IP Traffic on a port

2008-05-20 Thread Warren Young
Joseph L. Casale wrote: I am trying to determine the root of an issue I am having. How can I watch traffic destined to a specific port on my CentOS 5.1 box to see if its even hitting it? It would be udp traffic. # yum install wireshark # tshark udp port 1234

Re: [CentOS] RAID5 or RAID50 for database?

2008-05-22 Thread Warren Young
John R Pierce wrote: raid50 requires 2 or more raid 5 volumes. with 4 disks, thats just not an option. for file storage (including backup files from a database), raid5 is probably fine... for primary database tablespace storage, I'd only use raid1 or raid10. RAID-10 has only one perfect

Re: [CentOS] Ethernet poor performance

2008-07-02 Thread Warren Young
Robert Moskowitz wrote: I get pings around 60ms. Pings within the same LAN? If so, that's slow even for 100BaseT. It should be under 10 ms. When I switch the cards around, the addon card attached to my network, I get pings that alternate with one being ~1488ms and the next 488ms! This

Re: [CentOS] Printer recommendations

2008-07-22 Thread Warren Young
Ron Loftin wrote: I'm considering a color laser printer instead of the inkjets that I've been using, and I'm dithering back and forth over the question of direct-connect or networked printer. In that case, I'd get something with Postscript support. The native printer language driver will

Re: [CentOS] General Linux query

2008-08-21 Thread Warren Young
lingu wrote: 1) How file systeem get corrupted on linux? The same way any file system gets corrupted: data gets damaged or lost on its way to the physical media. 2) why,when and how fsck to be run without lossing data? The purpose of fsck is to bring the file system back into a

Re: [CentOS] XFS or EXT3 ?

2010-12-03 Thread Warren Young
On 12/3/2010 6:20 AM, Peter Kjellström wrote: What about the XFS admin tools - do these get installed when you format a partition as XFS from anaconda, or are they a seperate rpm package, installed later? They are in a separate rpm (xfsprogs, repository: extras). On that topic, there are

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-12-08 Thread Warren Young
On 12/8/2010 7:13 AM, Christopher Chan wrote: Such [periodic failures] are fairly common I'd say the main reason someone chooses CentOS (or another Linux flavor with similar policies, like Ubuntu LTS) is that the distro provider has made a long-term support commitment with minimal churn

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-12-08 Thread Warren Young
[I'm guessing from the dozens of quoted lines per reply that many of y'all aren't as lucky as I am. I have a threading email reader with backing store, so I can go back and read past messages in a thread if I need more context than a brief quote can provide. I have been so lucky since the

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-12-08 Thread Warren Young
On 12/8/2010 3:04 AM, David Sommerseth wrote: it is still not recommendable to trade security for simplicity. Security is never an absolute, is *always* a tradeoff against simplicity. We could store our servers 16 feet underground and encased in concrete to prevent tampering and accidental

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-12-08 Thread Warren Young
On 12/8/2010 8:21 AM, Lamar Owen wrote: On Tuesday, December 07, 2010 06:29:44 pm Les Mikesell wrote: And if you can't get the simple version right, how can you hope to do it right with something wildly more complicated? Alright, pray tell how I, a desktop Linux user,... Let's not drag the

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-12-08 Thread Warren Young
On 12/8/2010 3:26 PM, Les Mikesell wrote: Is there any central reporting concept in SELinux so a multi-machine admin doesn't have to go check each for all of the one-off cases and knowledge can be shared about the fixes needed for 3rd party RPMs? No. But then, there's not one for file

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-12-08 Thread Warren Young
On 12/8/2010 5:00 PM, Christopher Chan wrote: On Thursday, December 09, 2010 05:00 AM, Warren Young wrote: I assume you mean to advocate running updates infrequently, No, I advocate setting up SELinux properly which will take care of the automatic updates. That's great if you are wise enough

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-12-08 Thread Warren Young
On 12/8/2010 3:55 PM, Lamar Owen wrote: On Wednesday, December 08, 2010 05:11:23 pm Warren Young wrote: Let's not drag the desktop user into this discussion, too. Why not? I thought my reason was clear, but apparently not. You talk the talk of security, but I guess we hang in different

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-12-09 Thread Warren Young
On 12/9/2010 1:54 AM, David Sommerseth wrote: For the vast majority of issues with SELinux, it possible to overcome them using the provided tools. Of course, but I think you're mistaking possible for practical. Everyone has different incentives and constraints. Allow me build an analogy with

Re: [CentOS] SELinux - way of the future or good idea but !!!

2010-12-09 Thread Warren Young
On 12/9/2010 2:05 PM, m.r...@5-cent.us wrote: Also, Apple dictates style; to a lesser degree, so does M$. There's no dictated style guide for Linux. That's outdated thinking. Apple's acquired some infamy among its fanboy base for violating their old style guidelines, which AFAIR were last

Re: [CentOS] OT: programming language for morons (newbie friendly language in Open Source world)

2010-12-13 Thread Warren Young
On 12/13/2010 9:37 AM, Les Mikesell wrote: On 12/13/2010 10:14 AM, Sven Aluoor wrote: A friend said that C-Sharp (Mono) is very simple. Is this true? I doubt you'll find it any less complex than Java. The two are very similar, conceptually. C# exists more for political and business reasons

Re: [CentOS] OT: programming language for morons (newbie friendly language in Open Source world)

2010-12-13 Thread Warren Young
On 12/13/2010 12:08 PM, R P Herrold wrote: As the thread was for a newbie recommendation, I'd really consider Ruby before any of the others, Yes, Ruby can work for much the same reasons I gave for Perl in my previous post in this thread. I'd say it has a bigger mismatch w.r.t. shell script

Re: [CentOS] OT: programming language for morons (newbie friendly language in Open Source world)

2010-12-13 Thread Warren Young
On 12/13/2010 3:02 PM, Adam Tauno Williams wrote: On Mon, 2010-12-13 at 14:49 -0700, Warren Young wrote: C# exists more for political and business reasons than technical ones; it fills the same space Java could fill, in a platform-agnostic world. False. C# has significant technical

Re: [CentOS] OT: programming language for morons (newbie friendly language in Open Source world)

2010-12-13 Thread Warren Young
On 12/13/2010 3:30 PM, m.r...@5-cent.us wrote: Have a look at Lua (www.lua.org). Imo it's quite readable and less snip Don't. I have literally never heard of it before, It's quite popular in some areas, particularly as an embedded scripting engine in games. Having written one substantial

Re: [CentOS] Virtualization platform choice

2011-03-28 Thread Warren Young
On 3/27/2011 3:07 PM, Jure Pečar wrote: It's interesting that nobody so far mentioned openVZ I wouldn't use it since being bitten by its lack of swap support. I run a couple of web sites on a fairly heavy web stack which loads up a bunch of dependencies that don't actually end up being used

Re: [CentOS] ZFS @ centOS

2011-04-04 Thread Warren Young
On 4/2/2011 2:54 PM, Dawid Horacio Golebiewski wrote: I do want to use ZFS and I thus far I have only found information about the ZFS-Fuse implementation and unclear hints that there is another way. Here are some benchmark numbers I came up with just a week or two ago. (View with fixed-width

Re: [CentOS] ZFS @ centOS

2011-04-04 Thread Warren Young
On 4/4/2011 9:17 PM, John R Pierce wrote: try iozone Maybe on the next server. This one can't be reformatted yet again. bonnie++ That's what I used. I just reformatted its results for readability. ___ CentOS mailing list CentOS@centos.org

Re: [CentOS] 32-bit kernel+XFS+16.xTB filesystem = potential disaster (was:Re: ZFS @ centOS)

2011-04-06 Thread Warren Young
On 4/5/2011 11:21 AM, Lamar Owen wrote: Dropping to 16.37 TB on the RAID configuration by switching to RAID-6 let us put almost the entire array under a single 16 TB XFS filesystem. You really, really, really don't want to do this. Actually, it seems that you can't do it any more. I tried,

Re: [CentOS] 32-bit kernel+XFS+16.xTB filesystem = potential disaster

2011-04-06 Thread Warren Young
On 4/5/2011 11:24 AM, Brandon Ooi wrote: Afaik 32-bit binaries do run on the 64-bit build and compat libraries exist for most everything. You should evaluate if you really *really* need 32-bit. Yes, thanks for assuming I don't know what I was talking about when I wrote that we had a hard

Re: [CentOS] 32-bit kernel+XFS+16.xTB filesystem = potential disaster

2011-04-06 Thread Warren Young
On 4/6/2011 11:40 AM, Finnur Örn Guðmundsson wrote: Just a shot in the darkbut can't you have a x86_64 NFS server export a fs larger then 16TB and mount that on your x86 machine for use with your application? I already ran the two-server idea past the decision makers. It was rejected,

Re: [CentOS] 32-bit kernel+XFS+16.xTB filesystem = potential disaster (was:Re: ZFS @ centOS)

2011-04-06 Thread Warren Young
On 4/6/2011 1:16 PM, Lamar Owen wrote: There are other issues with XFS and 32-bit; see: http://bugs.centos.org/view.php?id=3364 and http://www.mail-archive.com/scientific-linux-users@listserv.fnal.gov/msg05347.html and google for 'XFS 32-bit 4K stacks' for more of the gory details. Thanks

Re: [CentOS] 32-bit kernel+XFS+16.xTB filesystem = potentialdisaster

2011-04-06 Thread Warren Young
On 4/6/2011 12:25 PM, Brunner, Brian T. wrote: Don't scream: I'm using RedHat 7.3 for related reasons. Yep, we've still got a bunch of those running in the field, too, and many older besides. We still build new boxes using CentOS 3, also for legacy compatibility reasons. can a 64-bit

Re: [CentOS] Site down for maintenance - How is this accomplished?

2007-08-24 Thread Warren Young
Brian Mathis wrote: Messing with DNS is really the wrong way to go on this. You'd be forcing all of the DNS servers involved to start messing with their caches, update more frequently, etc.., pushing the problem out onto everyone else, and you have no control over any of it really. Cache time

Re: [CentOS] grep

2007-08-28 Thread Warren Young
Scott McClanahan wrote: grep out the next 5 lines after the first and only instance The scope of grep's view of the world is a single line. At any one time, it knows nothing more. If you need to deal with multiple lines, I suggest perl. Untested code: #!/usr/bin/perl while () {

Re: [CentOS] grep

2007-08-28 Thread Warren Young
Scott McClanahan wrote: I'd like to skip those lines. I'd like to skip the line with bar and the following five lines. In that case, the perl code would be: #!/usr/bin/perl $eat = 0; while () { if (m/bar/) { $eat = 6; } if ($eat) { --$eat; } else {

Re: [CentOS] Cronjob script with date stamp?

2007-10-25 Thread Warren Young
Scott Ehrlich wrote: - Have the script dump the results of the job to a text file. I tried this with /path/to/dump my switches -v /home/me/dump.log But that just produced an empty file. Try appending 21 (without the quotes) to that command. - Have the dump file be date-stamped with the

Re: [CentOS] Run commands automatically when bringing up/down network interfaces?

2011-09-14 Thread Warren Young
On 9/14/2011 1:26 PM, Edward Morbius wrote: I'm looking for a capability similar to Debian/Ubuntu's pre/post up/down network commands capability. If you look in /etc/sysconfig/network-scripts/ifup, you'll see that it will call /sbin/ifup-pre-local if it exists, before bringing up the network

Re: [CentOS] was, Re: This doesn't make sense, is the apache update

2011-09-23 Thread Warren Young
On 9/23/2011 1:21 PM, m.r...@5-cent.us wrote: The one thing I don't understand is this: AFAIK, apache release not a server update, but an update to the certificate chain, yanking Digitar's CA. What, pray tell, are you talking about? I assume you mean DigiNotar, the defunct Dutch CA? What

Re: [CentOS] ASP running on a Linux Machine

2012-01-04 Thread Warren Young
On 1/4/2012 12:30 AM, Jonathan Vomacka wrote: this wasn't possible without a program like ChiliASP, ...which is now dead, apparently. noow I heard rumor that apache might have a plugin to allow it to read ASP. Rumor, really? I don't think open source works like that. We're not talking

Re: [CentOS] Is avahi essential?

2012-01-11 Thread Warren Young
On 1/11/2012 6:10 PM, Florin Andrei wrote: On 01/11/2012 06:03 AM, Les Mikesell wrote: It is for devices with IP, but to find names that aren't officially registered in a DNS server. For example if you have a Playstation 3, or a newer blu-ray player that supports network streaming it will

Re: [CentOS] CPU Usage when idle

2012-01-11 Thread Warren Young
On 1/11/2012 6:42 PM, Jorge Fábregas wrote: They did a great job with RHEL6 and I'm curious what was changed in order to accomplish this. It's probably the PowerTop work, primarily done to get better battery life on laptops by throttling the CPU down when it's idle:

Re: [CentOS] Ways To Practice Breaking My System?

2012-02-21 Thread Warren Young
On 2/21/2012 5:57 AM, Boris Epstein wrote: Things like boot process rarely break. I can't remember the last time I caused a system to outright fail to boot, but I *do* get unclean boots regularly. Examples: - Build and install some needed driver from source, yum upgrade repeatedly,

Re: [CentOS] Ways To Practice Breaking My System?

2012-02-21 Thread Warren Young
On 2/21/2012 1:45 AM, Alex Walker wrote: I've been looking into some ways to break a CentOS system so I can perform some simulated disaster recovery Bring up a fresh CentOS 6.0 system. Disable automatic updates. Add a bunch of third-party software. Install at least one bit of hardware so

Re: [CentOS] XFS on Centos 6.2 ?

2012-02-27 Thread Warren Young
On 2/27/2012 9:31 AM, admin lewis wrote: I need of to mount an XFS partition on Centos 6.2 .. but I cant find the kernel module.. # rpm -ivh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-5.noarch.rpm # yum install kmod-xfs xfsprogs

Re: [CentOS] xfs, inode64, and NFS

2012-03-07 Thread Warren Young
On 3/7/2012 11:16 AM, John R Pierce wrote: On 03/07/12 6:47 AM, Ross Walker wrote: These days XFS should always be inode64 enabled, given the size of disks, and NFS should have been fixed a long, long time ago. yes. problem is, we have clients that are running all sorts of OS's, including

Re: [CentOS] Check my math please

2008-11-06 Thread Warren Young
Sean Carolan wrote: For a back-of-the napkin calculation can we not assume that data equal to the entire size of the file will be streamed to the client during playback? You can if you're using some of the fudge factors others have mentioned here. The headers for IP + UDP + RTP take at

Re: [CentOS] Re: Linux backup help

2008-11-14 Thread Warren Young
Amos Shapira wrote: Is there a way to freeze a list of installed packages and exact versions, then tell yum (or any other tool/script) to install exactly these verions either on the same or another systme? There isn't a need for an explicit feature. Just update one server, test it, then copy

Re: [CentOS] Re: Linux backup help

2008-11-14 Thread Warren Young
Amos Shapira wrote: Assuming I take the approach you suggest and have to restore the cache (with the tested versions) after it's lost in a disaster, is there a way to do that (short of backing it up)? I don't see why this is a big deal. First off, even way out at the end of a RHEL/CentOS

Re: [CentOS] New rpm, same name, how to update

2008-12-08 Thread Warren Young
Robert Moskowitz wrote: I have to build my own rpms For this I will have to work with the developers to find out where the spec file is and how to change it without breaking something (or get them to change it!). If you can build the RPM, you do have access to the spec file. If you're

Re: [CentOS] New rpm, same name, how to update

2008-12-08 Thread Warren Young
Robert Moskowitz wrote: I await the developers help. It's not hard to do it yourself. First, find the .spec file: $ cd the/source/trees/root $ find . -name \*.spec -print Then see if there is a top-level 'make' rule for building RPMs: $ grep -l spec *akefile

Re: [CentOS] Security advice, please

2008-12-23 Thread Warren Young
Michael Simpson wrote: GRC reports that ports are stealthed Try www.auditmypc.com or nmap-online.com rather than grc to look for open ports What advantages do they have, in your opinion? there a better way than opening port 143? ssh tunnelling? I agree, though the default CentOS sshd

Re: [CentOS] Security advice, please

2008-12-26 Thread Warren Young
jk...@kinz.org wrote: Hi Warren, Nice explanation. Thanks! I would like to ask what you recommend people do if they want to be able to ssh in from anywhere on the internet. Say they are going to be traveling and they know they will have to login from machines they have no control over,

Re: [CentOS] Security advice, please

2008-12-26 Thread Warren Young
jk...@kinz.org wrote: You are visiting the Otis Public Library in Norwich CT. They have Linux based public workstations (w/Internet access). (http://www.otislibrarynorwich.org/index.htm) Do you trust the library, all of their employees, and every person who has ever used the computer you

Re: [CentOS] CENTOS 4.7 or 5.2 32 bits O.S. for ORACLE DB server??

2009-01-16 Thread Warren Young
mcclnx mcc wrote: we plan to setup our ORACLE database server (32 bits DB) and use dell r900 server. This server can put up to 128GB RAM. We are thinking use 32 bits CENTOS 4.7 or 5.2. My concern about CENTOS 5.2 is it only support up to 16 GB RAM on 32 bits O.S. Any suggestion? To get

Re: [CentOS] CENTOS 4.7 or 5.2 32 bits O.S. for ORACLE DB server??

2009-01-16 Thread Warren Young
Adam Tauno Williams wrote: The comparison of PAE to EMS/XMS is completely bogus, the technologies aren't alike at all. They are alike in that they add an extra layer of indirection to work around the fact that the pointer size cannot change. PAE does *NOT* involve any bank switching; I

Re: [CentOS] Old Small Box

2009-01-21 Thread Warren Young
James A. Peltier wrote: CentOS 5 requires 512MB for installation I had an EL5 install attempt fail on a VM with 512 MB of RAM. Big ugly anaconda Python stack dump type error. Upped the RAM for the VM, and it installed. ___ CentOS mailing list

Re: [CentOS] Old Small Box

2009-01-22 Thread Warren Young
Ralph Angenendt wrote: Warren Young wrote: James A. Peltier wrote: CentOS 5 requires 512MB for installation I had an EL5 install attempt fail on a VM with 512 MB of RAM. Big ugly anaconda Python stack dump type error. Upped the RAM for the VM, and it installed. You need a combined

Re: [CentOS] slugishness

2009-07-15 Thread Warren Young
Scott Silva wrote: USB I believe is not a DMA based port, so the processor has to do a lot of work, especially at higher speeds. Rsync can also be a resource hog, as it keeps most of the hash tables in memory it uses to compare files with. True enough, though I wouldn't say USB is the whole

Re: [CentOS] ASP Pages?

2009-08-10 Thread Warren Young
ML wrote: Is there any way I can host his site on my Linux Server? Without re- writing it for him There used to be a project called ChiliSoft ASP that did this, but it appears that Sun bought them and then killed the product. As John R. Pierce noted, if his site is actually using

Re: [CentOS] Apache and ASP or asp.net?

2009-08-26 Thread Warren Young
Dave wrote: Has anyone got this combination working? This was asked and answered on this very list just two weeks ago: http://www.linux-archive.org/centos/348850-asp-pages.html ___ CentOS mailing list CentOS@centos.org

Re: [CentOS] Simple way to banish IP addresses ?

2009-10-09 Thread Warren Young
Toby Bluhm wrote: Try fail2ban from rpmforge. The main problem with fail2ban is that it's based on Python, so it takes a fair bit of memory. This isn't a big problem on a dedicated server or on a system with swap, but a lot of these attacks are made against shared servers or those running

Re: [CentOS] Rendering farm?

2009-10-12 Thread Warren Young
Scott Ehrlich wrote: I received at least one email suggesting a Windows-based rendering farm - likely to consist of a few rack systems all running 64-bit Windows. I read an article on Tomshardware which gave some decent insight. What can list participants offer on this concept? Well, since

Re: [CentOS] Rendering farm?

2009-10-12 Thread Warren Young
mark wrote: It's not anything I had ever looked into, or needed, but thanks for the view into the heavy duty rendering field. I'm glad you were able to extract some value from my incoherent babbling. (No false modestyon re-reading the post it's clear the caffeine isn't working

Re: [CentOS] scp with tty

2009-10-13 Thread Warren Young
Les Mikesell wrote: I'm still missing why you'd need to sudo inside the remote shell instead of ssh'ing as the right user in the first place. Perhaps he doesn't know the user@ syntax. Tony, try this: [localu...@host1 ~]$ ssh r...@host2 remotecmd This requires that the public key

Re: [CentOS] MySql server on Centos 5

2009-02-16 Thread Warren Young
Ian Forde wrote: You can always use the MySQL community RPMs. http://dev.mysql.com/downloads/mysql/5.0.html#downloads Second that. I'm not normally a big fan of replacing stock system packages with third-party ones, but I've never had a problem with MySQL AB's RPMs on CentOS. A nice side

Re: [CentOS] 32 or 64 bit (4 gb ram)

2009-03-02 Thread Warren Young
Dnk wrote: Is there any real advantage to using 64 bit when I am right at the 4gb ram threshhold? Yes, unless you're not turning on swap. Once you add swap to a system with 4 GB of RAM, you need either PAE or 64-bit to actually use the swap. Since 64-bit CPUs became cheap last year,

Re: [CentOS] Best CentOS to install on *old* laptop?

2009-03-02 Thread Warren Young
Stephen John Smoogen wrote: Most of the time, I find that the batteries are going True, but a laptop makes a good low-power server, appliance or terminal: - Hook a Drobo to it, and suddenly it's a media server for your house. You just saved $200 by not having to buy a Droboshare. - Does it

Re: [CentOS] [OT] Godaddy hell...

2009-04-03 Thread Warren Young
Jason Pyeron wrote: 0: we do not want the admin responsibility for the box. We even don't want to change configurations. But you do want to install software. It's possible to install some kinds of software without root access, but you're cutting yourself off from a huge world of software

Re: [CentOS] [OT] Godaddy hell...

2009-04-03 Thread Warren Young
Rainer Duffner wrote: But you do want to install software. It's possible to install some kinds of software without root access, but you're cutting yourself off from a huge world of software that doesn't allow this. I think you do not understand: he wants a managed VPS/manged root server.

Re: [CentOS] [OT] Godaddy hell...

2009-04-03 Thread Warren Young
Jason Pyeron wrote: It's possible to install some kinds of software without root access, We will only need to push our web application Are we talking about PHP or similar? In that case, you probably don't need root access. I wouldn't really call that installing software. I reserve

Re: [CentOS] when to reboot after updates

2009-04-09 Thread Warren Young
nate wrote: Jerry Geis wrote: What is the rule of thumb for reboots after updates... only with new kernels. ...and then only when you want what the new kernel provides. I have my systems configured so yum is allowed to download and install new kernels, but don't usually reboot unless I

Re: [CentOS] 5.3 on an EeePC??

2009-04-29 Thread Warren Young
Beartooth wrote: Why do you want CentOS on an EeePC ? I have a strong if perhaps irrational preference for the .rpm family Me, too, and it's rational in my case. I've experienced the whole range of both sets of tools, from the ground up. RPMs are simpler to build than DEBs, and

Re: [CentOS] 5.3 on an EeePC??

2009-04-30 Thread Warren Young
nate wrote: (There are even some things the simpler Red Hattish tools can do that the Debian ones can't, easily. rpm -qa, for one.) rpm -qa typically just lists all of the packages on the system, the equivalent in debian is dpkg -l. Not really equivalent. The output is only sort of

Re: [CentOS] 5.3 on an EeePC??

2009-04-30 Thread Warren Young
R P Herrold wrote: oh please -- move advocacy to a new thread raher than hijacking. It's just a natural evolution of the conversation. IMO, the answer to the original question is No, so the obvious next direction to the conversation is okay, what instead, then? Nate's answer was

Re: [CentOS] server is always getting hacked

2009-06-30 Thread Warren Young
Justin Bull wrote: I don't know if you can disable su - Sure: usermod -L root. Before you do that, you need to have a user in /etc/sudoers that has root equivalence. Ubuntu does this by default. ___ CentOS mailing list CentOS@centos.org

Re: [CentOS] server is always getting hacked

2009-06-30 Thread Warren Young
Robert Heller wrote: (eg 'sudo su -' which is kind if redundant). A shortcut that I just recently learned: sudo -s gives you a root shell, like su. Not like su -, because it's not a login shell, so you don't get root's .bashrc and such, but you can then su - from within the root shell

Re: [CentOS] server is always getting hacked

2009-07-01 Thread Warren Young
Michael A. Peters wrote: I still don't understand how using sudo instead of su makes it more secure. Let's start with the simple case where only one person needs superuser type privileges on a given machine. What, then, is the difference between sudo and su -? There has to be one

Re: [CentOS] server is always getting hacked

2009-07-01 Thread Warren Young
Frank Cox wrote: On Wed, 01 Jul 2009 15:05:58 -0700 Gary Greene wrote: . With sudo, you get a record of what command was executed with superuser rights by whom at whenever given hour. sudo bash If that's a problem for you, don't let people run bash via sudo. There's an entire body of

Re: [CentOS] Dag's RHEL Rebuild Project. [FLUFF]

2011-04-13 Thread Warren Young
On 4/13/2011 7:58 AM, m.r...@5-cent.us wrote: So when is DEntOS 6.0 going to be released? What's that? The latest electronic flossing toothbrush? The fresh maker! With the great new hot silicon flavor! Hot silicon? I thought that smell was smoldering Nomex underwear, from all the

Re: [CentOS] Boot speed (was: RHEL 6.1 beta)

2011-05-02 Thread Warren Young
On 5/2/2011 10:25 AM, Les Mikesell wrote: Trying to save a few seconds when rebooting a server seems pointlessto me The Linux kernel is also used in laptops/desktops Fast boots also matter for embedded systems. We integrate a series of Linux-based boxes made by another company into our

Re: [CentOS] CentOS 5 32bit and 3Tbyte drives

2011-06-20 Thread Warren Young
On 6/18/2011 8:51 PM, Stephen Harris wrote: On Sat, Jun 18, 2011 at 10:13:00PM -0400, Lamar Owen wrote: On Saturday, June 18, 2011 10:00:25 PM Stephen Harris wrote: But space is running out; I wondering if the new 3Tb disks would work in this scenario; most importantly will

Re: [CentOS] CentOS 5 32bit and 3Tbyte drives

2011-06-20 Thread Warren Young
On 6/18/2011 8:00 PM, Stephen Harris wrote: I wondering if the new 3Tb disks would work in this scenario; I've tried 3 TB disks on a 32-bit CentOS 5 box, plugged into generic Intel PIIX on-board SATA ports. It seemed to work fine. I only did it to see if it would work, so I currently have no

Re: [CentOS] Vim and text file line ending handling

2011-07-08 Thread Warren Young
On 7/8/2011 4:40 PM, Lars Hecking wrote: I'd also love to teach vim how sto how those pesky ^M characters. It does, when the line ending style is mixed. When the line ending style is consistent, you can make Vim show the file type in the status line by adding something like this to your

Re: [CentOS] centos 64 bit

2011-07-13 Thread Warren Young
On 7/13/2011 7:27 AM, m.r...@5-cent.us wrote: Code bloat... ah, yes, the joys of OOPs What does OOP have to do with this? Doubling the pointer size affects C, awk Consider Erlang, a functional language, not OOP in any way at all, not even in the sidecar way of, say, Perl. The most

Re: [CentOS] CentOS 6 system-config-bind missing?

2011-07-13 Thread Warren Young
On 7/12/2011 9:19 PM, Emmett Culley wrote: how are we to manage the DNS server? It is NOT trivial to create and manage DNS records with a text editor. If editing BIND zone files is too complex for you or it's just overly complex for your situation, I recommend switching to dnsmasq. It

Re: [CentOS] Two ftp clients? Why?

2011-08-03 Thread Warren Young
On 8/2/2011 11:21 PM, Keith Roberts wrote: Having said that, I can also use my USB flash drive to transfer some files between those laptops and the machine running centos. But it's quicker for me to use ftp over the LAN. Even faster is Dropbox. If you keep the frequently-synched files in

Re: [CentOS] Two ftp clients? Why?

2011-08-03 Thread Warren Young
On 8/3/2011 6:57 AM, Les Mikesell wrote: Current versions [of rsync] run over ssh by default I didn't notice that change, thanks. I tracked it down, and it happened in rsync 2.6.0, which was released after EL3, which ships with 2.5.7. Alas, it appears I still need to keep -e ssh in muscle

Re: [CentOS] Two ftp clients? Why?

2011-08-03 Thread Warren Young
On 8/3/2011 10:11 AM, Les Mikesell wrote: Rsync barely works well on Windows So what does??? Please, can we drop the petty advocacy? You're undoubtedly quite aware that there's a hell of a lot of software that runs best on Windows. The fact that there's a lot of low-quality ports from *ix

Re: [CentOS] [OT] Urgent request

2009-12-17 Thread Warren Young
On 12/17/2009 3:59 PM, John R. Dennison wrote: On Thu, Dec 17, 2009 at 02:37:52PM -0800, John R Pierce wrote: what I meant was, without working video, how does he know what the error is? POST beep codes I would think. Yes, he confirmed that in a later message.

Re: [CentOS] mkdir this . directory

2009-12-29 Thread Warren Young
On 12/29/2009 11:49 AM, Benjamin Franz wrote: John R Pierce wrote: Marko Vojinovic wrote: You mean new to the concept of files and directories? This is not Linux-only. The . and .. existed even in MS-DOS back in the 80's. having an actual . and .. file in a directory is a distinctly Unix

Re: [CentOS] 8-15 TB storage: any recommendations?

2010-01-07 Thread Warren Young
On 1/6/2010 2:35 PM, Boris Epstein wrote: we are trying to set up some storage servers to run under Linux You should also consider FreeBSD 8.0, which has the newest version of ZFS up and running stably on it. I use Linux for most server tasks, but for big storage, Linux just doesn't have

Re: [CentOS] 8-15 TB storage: any recommendations?

2010-01-07 Thread Warren Young
On 1/7/2010 6:01 PM, Christopher Chan wrote: I'm not recommending OpenSolaris on purpose. Serious system administrators are not Linux fans I don't think. I think I must have been sent back in time, say to 1997 or so, because I can't possibly be reading this in 2010. I base this on the fact

Re: [CentOS] APC Smart-ups status codes (slightly OT)

2010-01-29 Thread Warren Young
On 1/29/2010 2:53 PM, m.r...@5-cent.us wrote: Idiot change battery led stays on. By chance, I just did an RBC 23 change the other day. The docs I got with it said to let it charge for 8 hours, then do the self-test. On my UPS, that means holding the On button for a few seconds. (A single

Re: [CentOS] Mount USB disk at startup?

2010-02-04 Thread Warren Young
On 2/4/2010 7:10 AM, Mogens Kjaer wrote: On 02/04/2010 02:41 PM, Eero Volotinen wrote: ... how about mounting that drive on rc.local ? That's too late; I need it before /etc/init.d/mythbackend starts. # ls /etc/rc`runlevel | cut -c3`.d/*myth* Then write a script in /etc/init.d to wait for

Re: [CentOS] NFS client firewall config?

2010-02-19 Thread Warren Young
On 2/19/2010 1:38 PM, Rudi Ahlers wrote: I have done that, but it seems that either these settings don't work on CentOS5.4, or I'm doing something wrong. Is the remote machine also CentOS 5? NFS v4 is a relatively recent addition to Linux, so if your remote box is older, it might only be

Re: [CentOS] compilers a security risk?

2010-03-08 Thread Warren Young
On 3/6/2010 4:04 PM, nate wrote: if you can upload source code, you can upload a precompiled binary True, but most attacks are automated, and try to attack as wide a range of machines as possible. If I were to write a bit of malware for *ix that needed a custom binary on the target machine,

Re: [CentOS] A

2010-05-18 Thread Warren Young
On 5/18/2010 10:59 AM, Rudi Ahlers wrote: Yes, A is the first letter of the Alphabet ;) Not for all values of the LANG environment variable. (Trying desperately to keep it on topic. Not being funny. No, not at all.) ___ CentOS mailing list

Re: [CentOS] Virtualization as cheap redundancy option?

2010-06-28 Thread Warren Young
On 6/25/2010 8:33 AM, Brian Mathis wrote: - VMware Server seems like it's EOL, even though vmware hasn't specifically said so yet Given that there are known serious bugs in 2.0.2[*] and that release is now 8 months old, that seems plausible to me. But another plausible explanation is that

Re: [CentOS] Virtualization as cheap redundancy option?

2010-06-28 Thread Warren Young
On 6/28/2010 7:34 AM, Whit Blauvelt wrote: If you look on their site, they clearly specify that they do not offer a paid support option for VMware Server, that it's community supported only. Does that seem like an attitude towards a product they plan to update? It fits completely with a

Re: [CentOS] Virtualization as cheap redundancy option?

2010-06-28 Thread Warren Young
On 6/28/2010 7:59 AM, guillaume wrote: Why would one use vmware Server 2.x when ESXi is available free of charge, stable, small footprint, ... ? I've thought about it, but it's not really the right thing for us. Our VM host has some special hardware in it, driven by custom software which runs

Re: [CentOS] To PAE or not to PAE...

2010-07-22 Thread Warren Young
On 7/22/2010 3:25 AM, John Doe wrote: I have a 4GB pc and was wondering if it was worth going the PAE way to gain those exta 700MB... Very few programs can use PAE to get at that extra RAM. Can the programs you run do this? Is your CPU 64-bit capable? That's generally a better idea than

Re: [CentOS] Dogs, trolls, and neighborly free/open source

2010-08-05 Thread Warren Young
On 8/5/2010 11:51 AM, Les Mikesell wrote: When someone says, I'm writing a shell script, and hereabouts I need $TOOL to do such and such, a good answer is usually forthcoming. When someone says, Tell me how to script this $PROJECT, the commmunity usually points the OP off to Google/Manual.

Re: [CentOS] Date drift and ntpd

2010-08-12 Thread Warren Young
On 8/12/2010 5:07 AM, Jason Pyeron wrote: [r...@devserver21 ~]# cat /etc/ntp.conf | grep -v ^# | grep -v ^$ restrict default nomodify notrap noquery restrict 127.0.0.1 server 192.168.1.67 server 192.168.1.66 server 192.168.1.65 Some HOWTOs tell you that more time servers is better, on a

Re: [CentOS] Date drift and ntpd

2010-08-12 Thread Warren Young
On 8/12/2010 3:43 PM, Jason Pyeron wrote: Okay, I only have one timeserver, I meant that your on-site time server should be relying on only one other outside time server, one stratum up. but the ntp clients cowardly refuse to use less than 3. Only one server on a given LAN should be

Re: [CentOS] Date drift and ntpd

2010-08-12 Thread Warren Young
On 8/12/2010 4:15 PM, John R Pierce wrote: On 08/12/10 2:51 PM, Warren Young wrote: Only one server on a given LAN should be running ntpd. It's overkill for every machine to keep themselves synced with such a complex and fussy server. All the others should just call ntpdate or msntp

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