Re: Is it possible to increase wscale multiplier?
> > > It seems the > > > only significantly value for net.inet.tcp.rfc1323 is 0 (disabled) vs. > > > non-0 > > > (ws=0). Am I missing something? > > > > You'll never see a scale size larger than zero unless the involved > > program sets a socket receive buffer size larger than 64KB before > > calling listen() or connect(), that being the value from which the > > receive window size is derived. > > so in other words, if you want wscale to be able to go to 1 but for things > who don't support wscale you want to retain the same current functionality, > add 65536 to the current value of whatever (send|recv)space you're talking > about. > > wscale of 2? add 131072 from the baseline, etc. > > go too high and stuff won't work at all How high is too high? I have a utility that sets recv buf size to 100,000,000 and it works fine on FreeBSD and NetBSD. (Not tested yet on OpenBSD.) Necessary when the other end has buggy network code and insufficient send buf.
Re: Backup strategies
> i kinda like cpio for fast backup of filesystems... for large media > files (think anime movies) -- I think its generally best to just > burn them on a iso.. ISO files have a 2 GB filesize limit, so large files don't fit. I switched to using FFS, which allows files as large as the media will hold (4.7 GB for DVD) at the expense of reduced portability to other piles of bits claiming to be an operation system. I now make my small filesystems the exact same size as a DVD, which allows making a backup on DVD which can be mounted and accessed normally, easier than messing with restore or tar. Backing up the big stuff is problematic.
Unix disk utility similar to Victoria ?
Does anyone know of a Unix utility that can do "a scan of connected devices regardless of BIOS status" similar to Victoria ? The "BUSY" state is of particular interest. GUI not required. I tried google, no joy. http://www.msfn.org/board/index.php?showtopic=129263
Re: Sendmail: new one on me..
On Sat, Jan 31, 2009 at 12:10 PM, Chris Ditri wrote: > Then it is still a mystery to me, because there is no record in the > log of the dell server even attempting a connection to mine. You seem to still think that the connection was *from* Dell *to* you. THAT IS WRONG. Dan even pointed that out in the message you quoted! > Quoting Dan Harnett : >> On Thu, Jan 29, 2009 at 09:57:26AM -0500, Chris Ditri wrote: >>> Wait... I get it now. I did some more reading. The dell server is >>> trying to send the message to my server encrypted, it gets to my >> >> The part of the log you pasted was an outgoing connection from your >> server. <...> Note: *outgoing* connection, *from* your server. If you want to know more about the connection, you should grep that same log file for the other log messages from that sm-mta process. i.e., something like grep 'sm-mta\[23903\]' /var/log/maillog.old Philip Guenther
Re: VT: black text on black background
On Fri, 30 Jan 2009, Nick Guenther wrote: > On Fri, Jan 30, 2009 at 7:19 PM, Matt Lukowicz wrote: >> Hello, whenever I kill the X server (Ctrl-Alt-Backspace), I get black >> text on a black background. I know that this bug has been re-fixed in >> OpenBSD 3.5, but I amstill getting it! I am running OpenBSD >> 4.4-release with the default X.org versions, and I have an ATI Rage >> 128 VR (PCI) on the i386 architecture. Any help is greatly >> appreciated. >> >> > > dmesg? > Xorg log? > Got 'em right here. (--) checkDevMem: using aperture driver /dev/xf86 (--) Using wscons driver on /dev/ttyC4 in pcvt compatibility mode (version 3.32) X.Org X Server 1.4.2 Release Date: 11 June 2008 X Protocol Version 11, Revision 0 Build Operating System: OpenBSD 4.4 i386 Current Operating System: OpenBSD matt.lukowicz.net 4.4 GENERIC#1021 i386 Build Date: 06 August 2008 10:45:35PM Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Module Loader present Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Thu Jan 31 13:16:35 2008 (EE) Unable to locate/open config file (II) Loader magic: 0x3c01c9e0 (II) Module ABI versions: X.Org ANSI C Emulation: 0.3 X.Org Video Driver: 2.0 X.Org XInput driver : 2.0 X.Org Server Extension : 0.3 X.Org Font Renderer : 0.5 (II) Loader running on openbsd (II) LoadModule: "pcidata" (II) Loading /usr/X11R6/lib/modules//libpcidata.so (II) Module pcidata: vendor="X.Org Foundation" compiled for 1.4.2, module version = 1.0.0 ABI class: X.Org Video Driver, version 2.0 (WW) OS did not count PCI devices, guessing wildly (II) PCI: PCI scan (all values are in hex) (II) PCI: 00:00:0: chip 8086,7190 card , rev 02 class 06,00,00 hdr 00 (II) PCI: 00:01:0: chip 8086,7191 card , rev 02 class 06,04,00 hdr 01 (II) PCI: 00:07:0: chip 8086,7110 card , rev 02 class 06,01,00 hdr 80 (II) PCI: 00:07:1: chip 8086,7111 card , rev 01 class 01,01,80 hdr 00 (II) PCI: 00:07:2: chip 8086,7112 card , rev 01 class 0c,03,00 hdr 00 (II) PCI: 00:07:3: chip 8086,7113 card , rev 02 class 06,80,00 hdr 00 (II) PCI: 00:0d:0: chip 125d,1968 card 1042,0737 rev 00 class 04,01,00 hdr 00 (II) PCI: 00:11:0: chip 1002,524b card 1002,524c rev 00 class 03,00,00 hdr 00 (II) PCI: 00:13:0: chip 10ec,8139 card 1799,5000 rev 10 class 02,00,00 hdr 00 (II) PCI: 01:00:0: chip 12d2,0018 card , rev 22 class 03,00,00 hdr 00 (II) PCI: End of PCI scan (II) Host-to-PCI bridge: (II) Bus 0: bridge is at (0:0:0), (0,0,1), BCTRL: 0x0008 (VGA_EN is set) (II) Bus 0 I/O range: [0] -1 0 0x - 0x (0x1) IX[B] (II) Bus 0 non-prefetchable memory range: [0] -1 0 0x - 0x (0x0) MX[B] (II) Bus 0 prefetchable memory range: [0] -1 0 0x - 0x (0x0) MX[B] (II) PCI-to-PCI bridge: (II) Bus 1: bridge is at (0:1:0), (0,1,1), BCTRL: 0x0080 (VGA_EN is cleared) (II) Bus 1 I/O range: [0] -1 0 0xd000 - 0xdfff (0x1000) IX[B] (II) Bus 1 non-prefetchable memory range: [0] -1 0 0xe800 - 0xe9ff (0x200) MX[B] (II) Bus 1 prefetchable memory range: [0] -1 0 0xea00 - 0xeaff (0x100) MX[B] (II) PCI-to-ISA bridge: (II) Bus -1: bridge is at (0:7:0), (0,-1,-1), BCTRL: 0x0008 (VGA_EN is set) (--) PCI:*(0:17:0) ATI Technologies Inc Rage 128 RK/VR rev 0, Mem @ 0xe400/26, 0xed00/14, I/O @ 0xe800/8, BIOS @ 0xeb00/17 (--) PCI: (1:0:0) NVidia / SGS Thomson (Joint Venture) Riva128 rev 34, Mem @ 0xe800/24, 0xea00/24, BIOS @ 0xe900/22 New driver is "ati" (==) Using default built-in configuration (55 lines) (==) --- Start of built-in configuration --- Section "Module" Load"extmod" Load"dbe" Load"glx" Load"freetype" Load"type1" Load"record" Load"dri" EndSection Section "Monitor" Identifier "Builtin Default Monitor" EndSection Section "Device" Identifier "Builtin Default ati Device 0" Driver "ati" EndSection Section "Screen" Identifier "Builtin Default ati Screen 0" Device "Builtin Default ati Device 0" Monitor "Builtin Default Monitor" EndSection Section "Device" Identifier "Builtin Default fbdev Device 0" Driver "fbdev" EndSection Section "Screen" Identifier "Builtin
Re: Backup strategies
There have been plenty of comments about distributed rcs systems. I have no complaints there at all, but I wanted to mention Bacula as a solid backup software option. We use it for our production needs in the office and colocation facility and I use it at home for my personal stuff. Works very well and Mike Erdely has done an excellent job with the port (sysutils/bacula). -- Jason Dixon DixonGroup Consulting http://www.dixongroup.net/
Re: Backup strategies
On Sat, Jan 31, 2009 at 2:21 PM, wrote: > @-HKS > Point taken about mercurial. I will experiment with it. How good > is it with occasional image files? It is definitelly big plus that I can > look changes I made either in papers I am writing or grades (.csv) of > my student. It handles images just fine. I don't think it can store images by diff (might be wrong, it does that with plenty of other filetypes), but it certainly doesn't choke on them. -HKS
Re: Sendmail: new one on me..
Thanks Dan (and everyone else), Then it is still a mystery to me, because there is no record in the log of the dell server even attempting a connection to mine. It is possible, I supposed, that the Dell rep made 4 consecutive typos on 3 different addresses... Even though he insists he didn't, and he got to me via normal email just fine... But I understand your point. Thank you. Chris Quoting Dan Harnett : On Thu, Jan 29, 2009 at 09:57:26AM -0500, Chris Ditri wrote: Wait... I get it now. I did some more reading. The dell server is trying to send the message to my server encrypted, it gets to my The part of the log you pasted was an outgoing connection from your server. If it was incoming, then you would see "STARTTLS=server". You're barking up the wrong tree. The only relevance that snippet may have is that something was sent to Dell's server (possible bounce, virus warning, etc). server, my server has a self-signed certificate and because of this, the transaction fails. According to what I'm reading here (http://www.ietf.org/rfc/rfc2487.txt and http://www.sendmail.org/~ca/email/starttls.html), if I had my certificate signed, the two servers would have been able to negotiate a connection, and it would probably go through. There hasn't been any indication that the message didn't go through. The certificate that failed verification was Dell's, not yours. Either you don't have a proper chain of trust setup, or Dell is using a certificate in which you do not have the signer's public certificate (self-signed, oddball unpopular company, etc). So I am not misconfigured, I'm just not set up to receive this sort of communication... Failing the certificate verification won't necessarily prevent the encryption or the delivery. It's just an indicator that you shouldn't place any trust the communication channel. You can configure sendmail not to even bother trying to verify via the access map or the configuration file. An example for the access map. This will enable verification for hosts that resolve to 'my.domain', but not for anyone else. Note that it will not prevent delivery should the certificates in 'my.domain' fail verification. Srv_Features:my.domainv Srv_Features: V If you think you're having an issue with STARTTLS when communication with Dell (which you haven't shown any indication of), then you can also do something like this in the access map to disable it. Try_TLS:smtp.ins.dell.com NO Try_TLS:smtp2.ins.dell.comNO Most of this is covered in /usr/share/sendmail/README. -- Reduce spam! Please send emails directly to an email address only from your trusted email service -- Please do not enter a friend's email address on any web site (such as tagged, any "e-card", or anything similar to "mail to a friend"). Respectable sites will not ask you for your friend's and family's email addresses.
Re: vnconfig and fsck
On Sat, Jan 31, 2009 at 08:00:17PM +0100, frantisek holop wrote: > hmm, on Sat, Jan 31, 2009 at 07:20:00PM +0100, Tobias Ulmer said that > > On Sat, Jan 31, 2009 at 06:46:15PM +0100, frantisek holop wrote: > > > hmm, on Sat, Jan 31, 2009 at 01:56:31PM +0100, Hannah Schroeter said that > > > > Try fsck /dev/rsvnd0a > > > > > > yes, this works. thanks. > > > > > > so i guess the man page should be changed as well, no? > > > > Which manpage? fsck (and a bunch of others, like fdisk, disklabel, ...) > > do only work on char devices (the ones with 'r' in front). > > btw, isn't that raw? > raw devices are still block based, no? The kernel knows only two types of devices: char and block. Char devices in the context of disks are also called "raw", access to them doesn't go through the buffer cache. AFAIK the block based addressing of the physical device is hidden in the driver. > > -f > -- > man is the only animal that blushes. or needs to.
Re: Backup strategies
Lars Nood??n wrote: > Predrag Punosevac wrote: > > ...It is of paramount importance for me that my files are in sync on all > > 5 computers... > > Can you give more info about the nature of files you wish to keep in > sync? System configuration, text processing, databases, executables, etc? > > Are the files all text i.e. xml / sgml / source code / config files? > or what? > > > -Lars @Lars My bet Lars, I should have been more clear about it. It is mixture of text files (.tex,.me,.csv,.c,.sh,.html) as well as PostScript files of Images (diagrams etc). Occasionally I deal with multimedia be it jpeg images or short annimations. @Marko I booked marked your web-site. I will have a hard look at your work. @-HKS Point taken about mercurial. I will experiment with it. How good is it with occasional image files? It is definitelly big plus that I can look changes I made either in papers I am writing or grades (.csv) of my student. Big thanks to all who took the time to respond to my message Predrag
Re: vnconfig and fsck
hmm, on Sat, Jan 31, 2009 at 07:20:00PM +0100, Tobias Ulmer said that > On Sat, Jan 31, 2009 at 06:46:15PM +0100, frantisek holop wrote: > > hmm, on Sat, Jan 31, 2009 at 01:56:31PM +0100, Hannah Schroeter said that > > > Try fsck /dev/rsvnd0a > > > > yes, this works. thanks. > > > > so i guess the man page should be changed as well, no? > > Which manpage? fsck (and a bunch of others, like fdisk, disklabel, ...) > do only work on char devices (the ones with 'r' in front). btw, isn't that raw? raw devices are still block based, no? -f -- man is the only animal that blushes. or needs to.
Re: Net benchmarking (was: Is it possible to increase wscale multiplier?)
On Jan 31, 2009, at 4:57 AM, Stuart Henderson wrote: On 2009-01-31, Brian Keefer wrote: Great, thanks for the pointers! I'm trying to fiddle with iperf performance testing going to a Linux box. tcpbench works great on OpenBSD, but it seems iperf is the only thing readily available for Linux that is also on OpenBSD. I'm just trying to figure out how each variable influences the throughput. iperf performance on OpenBSD isn't all that great, it's not a good way to judge actual real-life performance. I've had problems with it on the Linux side as well. Are there any alternatives that would work on both OpenBSD and Linux (and for bonus points, OS X)? -- bk
Re: vnconfig and fsck
hmm, on Sat, Jan 31, 2009 at 07:20:00PM +0100, Tobias Ulmer said that > On Sat, Jan 31, 2009 at 06:46:15PM +0100, frantisek holop wrote: > > hmm, on Sat, Jan 31, 2009 at 01:56:31PM +0100, Hannah Schroeter said that > > > Try fsck /dev/rsvnd0a > > > > yes, this works. thanks. > > > > so i guess the man page should be changed as well, no? > > Which manpage? fsck (and a bunch of others, like fdisk, disklabel, ...) > do only work on char devices (the ones with 'r' in front). > The confusion comes from fsck "fixing" your command line arguments most > of the time, but for some reason missing the svnd case. sorry, should have been more specific with a patch. but i dont have the sources anywhere near at the moment. i meant mount_vnd(8): # Example for automatically configuring a vnd device on startup echo "configuring vnd devices:" mount /dev/svnd0c - fsck -p /dev/svnd0a + fsck -p /dev/rsvnd0a mount /mnt -f -- i left my body to science but i'm afraid they turned it down.
Re: vnconfig and fsck
On Sat, Jan 31, 2009 at 06:46:15PM +0100, frantisek holop wrote: > hmm, on Sat, Jan 31, 2009 at 01:56:31PM +0100, Hannah Schroeter said that > > Try fsck /dev/rsvnd0a > > yes, this works. thanks. > > so i guess the man page should be changed as well, no? Which manpage? fsck (and a bunch of others, like fdisk, disklabel, ...) do only work on char devices (the ones with 'r' in front). The confusion comes from fsck "fixing" your command line arguments most of the time, but for some reason missing the svnd case. > > -f > -- > synonym: a word you use when you can't spell the other.
Re: vnconfig and fsck
hmm, on Sat, Jan 31, 2009 at 01:56:31PM +0100, Hannah Schroeter said that > Try fsck /dev/rsvnd0a yes, this works. thanks. so i guess the man page should be changed as well, no? -f -- synonym: a word you use when you can't spell the other.
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Re: Backup strategies
On Sat, Jan 31, 2009 at 1:36 AM, Predrag Punosevac wrote: > Dear All, > > I am seeking advice about the backup strategies and possible use > of CVS to accomplish this task. > > I happen to use 4-5 different computer on the daily basis for my work. > I use my laptop, desktop, and a file server at work as well as my personal > desktop and my wife's laptop at home. > It is of paramount importance for me that my files are in sync on all > 5 computers > for two reasons. I want to start working always with the latest and > most up to date version of files regardless of the computer which I am using. > Secondly, if a HDD dies on one or even three-four computers at the same moment > of time I will still have backup copy to recover the work. > > Up until now I have used the combination of tar, rarely dd, and my > home brown scripts > to accomplish above task. I would always start work by running the > script which would > pull up the tar files either from the file server of USB drive and > untar them on my computer. > After I finish work I would run the script to tar specific directory > I was working on and push > them back to file server and a USB drive. > > However it did happen to me that I forgot to run the script once or > twice in the past which > cause me great deal of frustration. Suddenly, I would have to > different versions of the > same file at two different computers and maybe the third older version > on my file server. > It also happen to me in the bast that I modify the files and I > realized that modification > sucked but I could not recover specific older version of particular file. > I do periodically burn DVDs with entire home directory, date it and > keep it on the shelf. > > Are there any advantages of using CVS over my present method or I am > just hallucinating. > It looks to me that CVS could help me utilize pull+push strategy for > backing up the files but > would give me advantage over the tar and dd by allowing me incremental > updates as well as > keeping the past snapshots of my work. > > I have seen a thread about 2-3 months ago on misc in which there was a > similar question > by a OpenBSD user who wanted to keep his /etc on his firewall machines > up to date as > well as back up configuration files in the case of the disaster by CVS. > > I am open for any suggestions but I do have a strong preference for > the tools from the base > of the system. I noticed couple ports with poor man tools for > accomplishing above tasks. > > Thanks, > Predrag > > Mercurial would suit you nicely. It's distributed version control. so you don't have to pull down the whole damn repository every time, it's got a solid merge engine, and you can revert to versions pretty easily. Simply clone the central repository onto each individual box, and at the beginning of work run an update. At the end, commit and push your changes back to central server. -HKS
Re: OSPFD carp interface flapping
On Fri, Jan 30, 2009 at 10:25 PM, wrote: > OpenBSD 4.3 --release > > On our backup firewall: > > Jan 30 17:55:47 lynn ospfd[3389]: interface carp0 up > Jan 30 17:55:47 lynn ospfd[3389]: interface carp0 down > > This is corresponding with an event on our ACTIVE host which is problematic > to our VPN traffic > Jan 30 17:55:47 susan sasyncd[31016]: net_ctl: got bad state MASTER from > peer "x.x.x.x" > > # ospfctl show int (on backup host) > Interface AddressState HelloTimer Linkstate Uptimenc ac > carp0 x.x.x.x.254/21 DOWN 7101w3d0 backup 00:00:00 0 0 > em0y.y.y.141/30 BCKUP 00:00:01 active 20w3d21h 1 1 > em1z.z.z.92/28 OTHER 00:00:01 active 20w3d21h 3 2 > > # ospfctl show int (on active host) > Interface AddressState HelloTimer Linkstate Uptimenc ac > carp0 x.x.x.254/21 DOWN 7101w3d0 master 00:00:00 0 0 > em0 y.y.y.142/30 DR 00:00:07 active 20w3d21h 1 1 > em1 z.z.z.93/28 BCKUP 00:00:00 active 21w0d19h 3 3 > > > Seems the carp0 interface on one of our firewalls that is in a BACKUP mode > is regularly flapping. This just began happening within the last week or so > and has become a reoccurring issue the past few days. Nothings been > unplugged or reconfigured in months. Is this a bug, misconfiguration, > failing switch, bad cable? Probably. With a dmesg and ifconfigs, someone might be able to narrow it down a bit. -HKS
Re: getting random icmp host unreachable messages from firewall
Hi, I confirm this bug. I've experienced the same icmp errors with three different firewalls using 4.4 and nat. If I add the static-port option to the nat rule then no icmp errors are experienced, so it's something to do with the nap port relocation. Bye S. Imre Oolberg-3 wrote: > > Hallo again! > > When i access internet from behind nat'ting OpenBSD 4.4-current i386 > platform firewall (20090121 snapshot, under Xen HVM quest if this test > then qualifies) i get randomly icmp host unreachable messages. At the > same time network traffic is low and this test firewall is not under any > mentionable load. For example about five to ten icmp error messages > appear from firewall to wget client when issuing 300 wgets i a raw, like > this > > $ for i in `seq 1 300`; do wget "http://172.16.0.12/README?count=$i"; -O > - 1>dhs.$i.log; done > > # tcpdump -nttti ne3 icmp > tcpdump: listening on ne3, link-type EN10MB > Jan 25 15:21:04.986368 192.168.10.210 > 192.168.10.10: icmp: host > x.x.x.x unreachable > Jan 25 15:21:06.444112 192.168.10.210 > 192.168.10.10: icmp: host > x.x.x.x unreachable > ... > > And insterting one second delay between wgets reduces icmp errors a lot. > > I belive it has something to do with a firewall's natting because with > plain routing it seems to work all right. > > I would be very greateful if somebody could comment on this. > -- View this message in context: http://www.nabble.com/getting-random-icmp-host-unreachable-messages-from-firewall-tp21651701p21765424.html Sent from the openbsd user - misc mailing list archive at Nabble.com.
Re: Backup strategies
If you can set up a common data repository and if you can ensure that you always update that repository when you're finished working on computer A before moving to computer B, then that may be the best method for keeping your "working set" of files synchronized. If in addition to that you need revision control, which might not be a bad idea given your description of what you're doing, then something like CVS or subversion would probably be appropriate. You should probably also investigate the capabilities of rsync, which many people (including me) use to keep (for example) desktop systems in sync with laptops. A caveat: it's possible to do a great deal of damage with rsync very rapidly, so you'll need to have the self-discipline to ensure that your data source and data sink are what you think they are, and in the state you think they are, before you run it. ---Rsk
Excel ile Finans ve Etkili Sunum Teknikleri
ZeruMax Bilisim Hizmetleri EXCEL ]LE F]NANS SERT]F]KA PROGRAMI 7 - 8 Subat 2009 - 09.30 - 17.00 - Mid Town Otel - Taksim - 750 YTL+kdv Egitmen: Murat GENCER ETK]L] SUNUM HAZIRLAMA TEKN]KLER] VE POWERPO]NT ]PUGLARI 7 - 8 OCAK 2009 - 09.30 - 17.00 - Mid Town Otel - Taksim - 750 YTL+kdv Egitmen: Almila DALKILIG w w wz e r u m a x c o m - 0 2 1 6 4 8 6 3 6 3 4 Epitim ]geripi 1. Excelde Temel Matematiksel ve ]statistiksel Fonksiyonlar X \sl| ve Kvkl| ]fadeler, Mutlak Deper, Yuvarlama (A~ap}ya-Yukar}ya), Exponansiyel X Y|zdesel Depi~im, Logaritmik Depi~im X Maksimum, Minimum, Aritmetik Ortalama, Medyan, Mod, Standart Sapma, Bas}kl}k, Sivrilik, Korelasyon, Kovaryans, Histogram X Excelde Veri Analiz Bile~enini Kullanarak Temel ]statistiki Deperleri Bulmak 1. Temel Finansal Terimlerin Excel Fonksiyonlar} ve Faiz Hesaplamalar} X Basit Bile~ik - S|rekli Bile~ik Faiz ]li~kisi X Efektif Faiz Oran} X Nominal ve Reel Faiz X ^imdiki Deper ve Gelecek Deper Hesaplamalar} X Forward Fiyat Hesaplamas} 1. Nakit Hareketlerinin Zaman Deperi ve Yat}r}m Projelerinin Deperlendirilmesi X Nakit Ak}~} Analizleri X Net Bug|nk| Deper X ]g Verim Oran} (IRR) X Senaryo Analizleri X Hedef Ara (Goal Seek) Uygulamas} 1. Anuite ve Perpet|ite Hesaplamalar} X Anuite X Anuitenin Gelecekteki Deperi X Anuitenin Bug|nk| Deperi X Mortgage Vrnepi X Bireysel Emeklilik Vrnepi 1. Hazine Bonosu ve Tahvil Deperlemeleri X Hazine Bonosu ve Tahvil Fiyat Hesaplamas} X Ortalama Vade Kavram} (Durasyon) X Bonoda Risk Vlg|mlemeleri (PV01) X Getiri Verim Eprisi 1. Excelde Pivot Tablo Olu~turma X Pivot Tablosu igin Excelde Etkin Veritaban} Olu~turmak X Pivot Tablo Olu~turma X Pivot Tablo ]ginden Veri Okuma 1. Excelde Matris ]~lemleri X Dvrt ]~lem X Matris Transpoze Almak X Matris Garp}m} X Finansta Matrisin Kullan}m Vrnepi 1. Excelde Ge~itli Finans Uygulamalar} X Makine teghizat}n optimum depi~tirme zaman}n}n hesaplanmas} X Amortisman hesaplamalar} X Nakit ak}mlar}ndan ortalama vade hesaplamak X \retim ve sat}~ verilerinden stok hareketlerini ve ortalama stok g|n say}s}n} hesaplamak X Riske Maruz Deper (VaR) hesaplanmas} X M|~teri yopunla~ma analizleri X Etkin stok yvnetimi igin ABC klasifikasyonunu kullanmak X Portfvy maksimizasyon vrnepi Epitim ]geripi - Powerpoint sunumu olu~turmak Powerpoint program} nedir ? Nerelerde kullan}l}r ? Konuyu yap}land}rma Ba~l}k,men|, arag gubuklar}n} dopru kullanmak Svzel ve gvrsel vgelerin sunularda kullan}m} Gvr|n|mleri olu~turmak Slaytlar} olu~turmak Sunuya metin eklemek Sunuya resim eklemek Metni bigimlendirmek Yaz} tipi rengini segmek, uygun renkler Tasar}m ~ablonu uygulamak Tablo olu~turmak Grafik eklemek Gizim nesneleri kullanmak, wordart kullan}m} Nesnelere animasyon efekti uygulamak Dikkat gekici ba~l}k ve ag}l}~ sayfas} olu~turmak Powerpoint sunumu destekleyen yard}mc}lar Sunumda zamanlama ayarlamas} Mesaj, g|zel svz ve anekdotlar}n kullan}m} ]mla hatalar}ndan uzak sunu haz}rlamak Paragraftaki kelime ve c|mle say}lar} ^ablon segimi - Dinleyiciye uygun sunum haz}rlama Dinleyicileri sunuma ba~lamadan vnce etkileyebilme teknikleri Dinleyicileri toparlayabilme Sempati kazanma Sunumda uygun ses kullan}m} Sunumda ikna edici ve etkileyici beden dili kullan}m} Dinleyicileri sunuma katabilmenin ipuglar} Sunumlarda eplendirici ve bilgilendirici oyunlar kullanmak Mizah}n etkin kullan}m} Sunumda powerpointe yard}mc} diper gvrsellerin etkin kullan}m} - Sunu~ Konu~man}n gergevesini olu~turmak ^ok ag}l}~lar, dikkat gekme teknikleri Sunumu dopru beden dili kullan}m} ile etkileyici halegetirmek G|gl| ve zay}f svzc|kler Heyecan} bast}rmak igin dopru ses dopru nefes Post|r, gest|r, k|rs| kullan}m}, hitabet ipuglar} Etkili ve g|zel konu~ma ipuglar} Mikrofon ve alan kullan}m} - Uygulamal} Vrnek Sunum haz}rlama ZeruMax bilisim hizmetleri bir Bogazici EgitimKurulusudur.
Re: Backup strategies
Predrag Punosevac wrote: > ...It is of paramount importance for me that my files are in sync on all > 5 computers... Can you give more info about the nature of files you wish to keep in sync? System configuration, text processing, databases, executables, etc? Are the files all text i.e. xml / sgml / source code / config files? or what? -Lars
Re: Backup strategies
On Sat, 31 Jan 2009 13:03:11 + (UTC) Stuart Henderson wrote: > On 2009-01-31, Predrag Punosevac wrote: > > I am seeking advice about the backup strategies and possible use > > of CVS to accomplish this task. > > .. > > > I have seen a thread about 2-3 months ago on misc in which there > > was a similar question by a OpenBSD user who wanted to keep his > > /etc on his firewall machines up to date as well as back up > > configuration files in the case of the disaster by CVS. > > CVS is great for text based config files, and has the advantage it's > in base. but it's slow at some things, and sometimes it can e.g. be > nice to have access to the whole revision history whichever machine > you're using.. > > you might find something like git or hg works better for you, or > you might find CVS is fine, or you might find your current method > is really the most appropriate to how you work. > > it's really a personal thing, try some alternatives and see which > you get along with best. i kinda like cpio for fast backup of filesystems... for large media files (think anime movies) -- I think its generally best to just burn them on a iso.. cheers! erob
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Re: Backup strategies
On 2009-01-31, Predrag Punosevac wrote: > I am seeking advice about the backup strategies and possible use > of CVS to accomplish this task. .. > I have seen a thread about 2-3 months ago on misc in which there > was a similar question by a OpenBSD user who wanted to keep his > /etc on his firewall machines up to date as well as back up > configuration files in the case of the disaster by CVS. CVS is great for text based config files, and has the advantage it's in base. but it's slow at some things, and sometimes it can e.g. be nice to have access to the whole revision history whichever machine you're using.. you might find something like git or hg works better for you, or you might find CVS is fine, or you might find your current method is really the most appropriate to how you work. it's really a personal thing, try some alternatives and see which you get along with best.
Re: Is it possible to increase wscale multiplier?
On 2009-01-31, Brian Keefer wrote: > > Great, thanks for the pointers! I'm trying to fiddle with iperf > performance testing going to a Linux box. tcpbench works great on > OpenBSD, but it seems iperf is the only thing readily available for > Linux that is also on OpenBSD. I'm just trying to figure out how each > variable influences the throughput. iperf performance on OpenBSD isn't all that great, it's not a good way to judge actual real-life performance.
Re: vnconfig and fsck
Hi! On Sat, Jan 31, 2009 at 08:51:46AM +0100, frantisek holop wrote: >i have an encrypted ffs diskimage. >it was created some time ago the usual way. >after my update to -current this is what happens: >$ sudo vnconfig -k svnd0 imagefile >Encryption key: >$ sudo mount /dev/svnd0a /mnt >mount_ffs: /dev/svnd0a on /mnt: filesystem must be mounted read-only; you may >need to run fsck >when i mount the filesystem read-only, everything is ok. >but when i say: >$ sudo fsck /dev/svnd0a >fsck: /dev/svnd0a: unknown special file or file system. Try fsck /dev/rsvnd0a >[...] Kind regards, Hannah.
Re: Survey on the usage of IPv6
On 18:50, Fri 30 Jan 09, Claudio Jeker wrote: > For an IPv6 related paper we are currently working on, Claudio and I are > doing a small online survey on the use of IPv6 among OpenBSD developers > and users. > > It would be nice if you could spare 10-15 minutes of your time and > answer the questions. Please do that also if you don't use IPv6, > since that helps us evaluating how much it is used. > > You find the survey online at > > http://ilias.msys.ch/goto.php?target=svy_41&client_id=ipv6 > > and you start the survey by pressing the button on the top left. I answered "Yes" to "do you use autoconfiguration" because some of my laptops/devices use this. Servers and my main laptop are statically configured. Just thought I should give you this extra info :) -- Michiel van Baak mich...@vanbaak.eu http://michiel.vanbaak.eu GnuPG key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x71C946BD "Why is it drug addicts and computer aficionados are both called users?"
Re: Backup strategies
On Sat, Jan 31, 2009 at 01:36:49AM -0500, Predrag Punosevac wrote: > I am seeking advice about the backup strategies and possible use > of CVS to accomplish this task. > > I happen to use 4-5 different computer on the daily basis for my work. > I use my laptop, desktop, and a file server at work as well as my personal > desktop and my wife's laptop at home. > It is of paramount importance for me that my files are in sync on all > 5 computers > for two reasons. I want to start working always with the latest and > most up to date version of files regardless of the computer which I am using. > Secondly, if a HDD dies on one or even three-four computers at the same moment > of time I will still have backup copy to recover the work. I have been using a comparable setup for years. Using a version control system for the task is doable, but in my opinion somewhat cumbersome to use in daily basis, especially if the data contains large files. While there are special tools like unison, I have settled down with rsync and ssh. Easy to use and maintain, but not a replacement for backups. - Jukka.
