Re: [CentOS] Server reboots unexpectebly.

Also run memtest86 on them overnight (getting at least one complete iteration). That utility is available by booting the installation CD/DVD. Devin -- "Did you sleep well?" "No, I made a couple of mistakes." - Stephen Wright _

Re: [CentOS] create account for Backup Exec 12.5 on Linux [RHEL5 or 4] to perform backup???

Lisandro Grullon wrote: > What do you personally use to backup your boxes, it would be great to > know since I am looking for an alternative. Bacula is a solid open source network backup product, has commercial support for those who need it, has a feature set that is greater than many commercial

Re: [CentOS] Server reboots unexpectebly.

Lisandro Grullon wrote: > They are not on a ups at the moment since these boxes are being test. Do u > think this could be a power issue? Depending on the quality of your power, certainly it can be a factor. We generally have good power, but it's been years since I've run any system (even a tes

Re: [CentOS] dns question

As was previously mentioned, you need to be more clear about what you're asking. There are multiple related concepts. Look up a description of the SOA record, in particular the refresh, retry, expire, and minimum TTL fields. The first three affect how DNS secondary servers behave. The last ca

Re: [CentOS] Affordable KVM over IP switch

Michael B Allen wrote: > Are there any KVM over IP switches that are not thousands of dollars? > Ideally a 3-4 port switch for a few hundred seems reasonable to me. I can attest that the Adderlink iPEPS and iPEPS-DA are excellent units. They're both in the 500-1000 range. They're intended for a

Re: [CentOS] Affordable KVM over IP switch

Michael B Allen wrote: > This is interesting. But can you switch consoles remotely using > special keystokes? Or do you need to physically walk over and switch > the conventional non-IP unit? It wouldn't be much good for remote access if you had to walk there :) That part isn't a function of th

Re: [CentOS] Affordable KVM over IP switch

--On Wednesday, March 23, 2011 03:19:49 AM + Miguel Medalha wrote: > The D-Links are NOT suitable for professional use. I used one of their > models and it hanged on me multiple times. Because it is powered by the > keyboard/mouse/video connectors, the only way to recover it is to > physicall

Re: [CentOS] updating without rebooting

Slightly OT, but I have more than one pacemaker/corosync cluster where one of the main reasons to use a cluster (in addition to the availability aspect) is to be able to perform running updates without affecting the user base. As in: 1. All services running on node A. 2. Update node B. 3. C

Re: [CentOS] sshd: Authentication Failures: 137 Time(s)

--On Monday, April 04, 2011 09:15:28 PM +0200 Ljubomir Ljubojevic wrote: > I use Denyhosts for my security. All attacking IP's are blocked > automatically and sent to Denyhosts database server. Those IP's, from > around the world are then shared amongst all denyhosts users/systems, so >I a

Re: [CentOS] 5.6 update experience - EXCELLENT!

Being the chickensh*t that I am when it comes to upgrading production machines, I gave things a few days before upgrading a CentOS 5.5 pacemaker-1.0.10 / corosync-1.2.7 cluster to CentOS 5.6 (so that I can see what, if anything, was going wrong with other installations). Echoing other peoples' ex

[CentOS] 5.5->5.6 upgrade hiccough

I spoke a bit too soon about the upgrade being flawless. It turns out that one subsystem started failing after the upgrade, although it is not an out-of-the-box one. I've included the description here in case someone runs into something similarly weird (especially with scripts calling MySQL?) and

Re: [CentOS] bizarre system slowness

Maybe check /proc/interrupts ? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] [OT] ups advice

Partially echoing what was already said: - Stick to APC - Avoid the low end "workstation" models like the plain BackUPS. As a minimum get a BackUPS-Pro. SmartUPS are better. - Use the sizing app on the APC web site - Careful of your mains power. Besides what was mentioned for generators, a

Re: [CentOS] cross-platform email client

Florin Andrei wrote: > I'm a Thunderbird user almost since day one, but now I'm looking for > something else. Check out Mulberry. It hasn't been updated in a while, but don't let that scare you off. It's a very solid mail reader for Linux, Mac, and Windows. It does

Re: [CentOS] cents 5.6 ..... futur

John R Pierce wrote: > have all your configuration under a change management system, with an at > least semi-automated installation procedure, such as kickstart. Or have the self discipline to keep a text file (or other record) of *all* changes you make to a system as root or other role accoun

Re: [CentOS] cross-platform email client

Kenneth Porter wrote: > --On Friday, April 15, 2011 8:56 PM -0600 Devin Reade wrote: > >> Check out Mulberry. <http://mulberrymail.com/> > > The main drawback to Mulberry is that it doesn't display images, and its > HTML rendering is primitive. But if you&

Re: [CentOS] Gnome Notification Applet

Ljubomir Ljubojevic wrote: > Most likely because of the increasing number of noobs that delete/remove > parts of the panels and then whine helplessly for someone to help them > revert it back to default state. Yeah, but I wish that wouldn't result in penalizing those that actually have a clu

Re: [CentOS] /etc/bashrc help!

I think "bash interactive shell" is what you want to search for. Have a look at item 6.3.2 at (picked up arbitrarily from the search results). I *think* scp uses the shell non-interactively, but test to make sure. Either way, you should h

Re: [CentOS] 4kB sector size HDDs

--On Thursday, April 21, 2011 11:16:36 AM +0200 Dawid Horacio Golebiewski wrote: > Do any of you have one of the 'new' HDDs with 4kB Sectors currently in > use? I have them in use, and set up the partitions manually before installing the OS. This is the relevent entry from my server changelog,

Re: [CentOS] User accounts management for small office

I'd say base it on OpenLDAP. As far as the password change option, one simple but effective system is the passwd.cgi script from cgipaf: Although you already have to provide your old password to do an update, putting it behind http-basic authentication wi

Re: [CentOS] User accounts management for small office

--On Thursday, April 21, 2011 01:49:16 PM -0600 Devin Reade wrote: > As far as the password change option, > one simple but effective system is the passwd.cgi script from cgipaf: > > <http://freshmeat.net/projects/cgipaf/> Sorry, brain fart. Yes, cgipaf will allow y

Re: [CentOS] How to merge many LDAP Servers to the One Server

sync wrote: > I have many LDAP Servers which are 389 LDAP Server on different network . > So I want to merge them to the one server. > > Could someone can give some suggestions? Really broad strokes: This can work if: - All the servers you're trying to merge are using consistent schema.

Re: [CentOS] CentOS 5.6 x86_64 hosting unreachable Virtualbox 4.0.6 bridged guests

--On Tuesday, April 26, 2011 10:28:40 AM +0200 Philippe wrote: > The hosting box > get its address normally, but the 2 hosted systems fail to get theirs. > The dhcp server log tells : DHCPDISCOVER from 08:00:xx:xx:xx:xx via > em0: network xx.xx/16: no free leases. Based on that message, I woul

Re: [CentOS] ssh in while in fsck

m.r...@5-cent.us wrote: > My manager reminds me that "in the old Sun days", the ssh server came up > first, *before* the fsck on boot As others have indicated, but not in so many words, your manager is out to lunch in this case: ssh, once it was introduced, was started at run level 3 (or the eq

Re: [CentOS] LDAPs causing System Message Bus to hang when there's no network

--On Thursday, April 28, 2011 10:53:52 AM -0400 Scott Robbins wrote: > On Thu, Apr 28, 2011 at 04:21:58PM +0200, Mattias Geniar wrote: >> I've tracked this down to the following known bug in Redhat, but >> it dates back to early 2010. >> https://bugzilla.redhat.com/show_bug.cgi?id=182464#c46 >

Re: [CentOS] list of supported hardware

I've also found it to be a good rule of thumb to not purchase motherboards that are using technology that have been out for less than a year or so. This is more applicable to "desktop/consumer grade" systems rather than "server grade" systems, since the latter don't tend to use a given technology

Re: [CentOS] virtdown script

--On Tuesday, May 03, 2011 02:39:54 PM + Tim Dunphy wrote: ># /bin/bash To start off, your hash-bang is missing its bang: #! /bin/bash Devin ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] How to copy a system?

--On Thursday, May 05, 2011 10:41:04 AM -0400 Robert Heller wrote: > > Hmmm Using dump & restore (or tar or rsync or cpio, etc.) would > likely be a lot faster. +1 for dump & restore. It's been around for years, is lightweight (in terms of minimal dependencies), and is absolutely solid. I'v

Re: [CentOS] SSH using Keys, no password and SFTP?

Jason wrote: > I have setup (and it was so easy) using SSH with keys instead of password > authentication. I want to turn password authentication off completely. > > What I dont understand is how SFTP would work them. I dont see any settings > in my FTP clients to use SFTP without providing a

Re: [CentOS] SSH using Keys, no password and SFTP?

Devin Reade wrote: > Jason wrote: > >> What I dont understand is how SFTP would work them. I dont see any settings >> in my FTP clients to use SFTP without providing a password. 'course, I may have jumped the gun on my comments. I'm also assuming a sane sftp clie

[CentOS] mismatch_cnt after 5.3 -> 5.4 upgrade

Saturday I did an upgrade from 5.3 (original install) to 5.4. Saturday night, /etc/cron.weekly reported the following: /etc/cron.weekly/99-raid-check: WARNING: mismatch_cnt is not 0 on /dev/md0 md0 holds /boot and resides, mirrored, on sda1 and sdb1. md1 holds an LVM volume contai

Re: [CentOS] mismatch_cnt after 5.3 -> 5.4 upgrade

RedShift wrote: > What exactly is the mismatch_cnt value? If it's not too much, it is most > likely coming from your swap partition. 128. md0 is /boot only; swap is on md1 which didn't have a problem Devin -- A zygote is a gamete's way of producing more gametes. This may be the purpose of t

Re: [CentOS] mismatch_cnt after 5.3 -> 5.4 upgrade

S.Tindall wrote: > mismatch_cnt (/sys/block/md*/md/mismatch_cnt) is the number of > unsynchronized blocks in the raid. Understood. I did the repair/check on sync_action and it got rid of the problem. (Thanks) What I _don't_ understand is why they were unsynchronized to begin with (`cat /proc

Re: [CentOS] Testing remote machine status in a script ?

The ping method or equivalent mechanisms (such as a test ssh into the machine) should answer the original question. However, in the specific context of backups, a few years ago I did for a client an evalution of various backup solutions, including a lot of freeware and commercial products (includ

Re: [CentOS] grub problems

m.r...@5-cent.us wrote: > This is irritating: I've got a server I just upgraded to 5.4, then > rebooted, only to discover that it just *sits* there at the grub boot > menu. I looked at grub.conf, and uncommented hiddenmenu (which should have > been done long ago). I just saw something similar ha

[CentOS] (HOWTO) Crypto root with the LUKS key on a USB stick

I've written up a document on how to have whole-disk encryption (minus /boot) while having your LUKS key on a USB stick. (Whether or not this is a good idea depends on your usage model, and I won't get into that). The document is at

Re: [CentOS] Problems with nss_ldap - where to start?

If you're going to be doing LDAP-based authentication on the server that is running the LDAP server, watch out for this bug, which has been around since at least FC5. It's still a problem as of FC10: The best way to avoid it so far is

Re: [CentOS] Problems with nss_ldap - where to start?

Steve Thompson wrote: >> > > I disagree that this is a bug. It's not a problem if you configure > ldap.conf properly. For example, using > > nss_initgroups_ignoreusers root,ldap,named,avahi,haldaemon,dbus That was identified fairly ear

Re: [CentOS] how to send mail from console

If you're using a typical residential broadband ISP, outbound SMTP may also be blocked by your provider as a mechanism to minimize mail abuse (spam). In such a case, you will need to configure your MTA (sendmail or whatever) to forward all mail through your ISP's official outbound mail server. You

Re: [CentOS] Hard I/O lockup with EL6

--On Monday, September 26, 2011 12:11:47 PM -0700 Benjamin Smith wrote: > I'm trying to figure out why 2 machines have a "hard I/O lock" on the HDD > when running EL6. I _won't_ chime in with a "check your ". Instead here's a potentially useless datapoint: I have an older but still usuable 3

Re: [CentOS] Hard I/O lockup with EL6

--On Monday, September 26, 2011 03:13:09 PM -0700 Benjamin Smith wrote: > Thanks for the feedback. Unfortunately, these aren't ancient 686 systems, > they are 1-ish year old 8-core Intel Xeons with 32 GB of ECC RAM apiece. > I can't justify replacing them, especially since two of the four are >

Re: [CentOS] Back up system

I'd recommend that you look at bacula. I've used many backup systems (both commercial and open source) over the years and bacula is by far the best of them overall, is under active development, robust, scalable, and has optional commercial support if needed. For CentOS 5.x, there are not-the-most-

Re: [CentOS] Backup Redux

--On Thursday, December 08, 2011 01:06:10 PM -0500 Alan McKay wrote: > Anyone have any experience with this, which just came to my attention > > http://www.arkeia.com/en/solutions/open-source-solutions Yes, I've used it (albiet about 8 years back or so), as well as many other solutions (both co

Re: [CentOS] Backup Redux

--On Friday, December 09, 2011 11:48:49 AM -0600 Les Mikesell wrote: > Errr, what? Amanda is a little cumbersome to set up, but it doesn't > bite. If gnutar works, amanda should work or tell you why. As I said, it's been at least 8 years since I dealt with Amanda. Going by memory, though, in

Re: [CentOS] Backup Redux

--On Friday, December 09, 2011 01:03:18 PM -0600 Les Mikesell wrote: > I'll be happy if I never see a tape again. Likewise. Skipping forward to the present, I'm doing normal backups in Bacula to virtual volumes on hard disk. As for offsite/archival backups, using the bacula add-on 'vchanger' a

Re: [CentOS] Backup Redux

--On Friday, December 09, 2011 02:59:08 PM -0600 Les Mikesell wrote: > I doubt if it can match > the bandwidth efficiency of backuppc with rsync as the transport (not > sure - how does the bacula agent deal with growing files, or big files > with small changes?). There is a relatively new block-

Re: [CentOS] LUKS full disk Encryption question

Ljubomir Ljubojevic wrote: > What will be the performance impact on my Celeron 1.73 GHz CPU and/or > hdd speed? Well, the usual "it depends on your [exact] environment" is the real answer. However from a subjective perspective I've found that the only time that I've really noticed a performanc

Re: [CentOS] LUKS full disk Encryption question

Ljubomir Ljubojevic wrote: > Hm, I forgot to mention that it would be for laptop. MSI VR601x, Celeron > 1.73 GHz (Single Core), 80 GB SATA, 2GB RAM, CentOS 6.2 x86_64, > encryption would be activated by Anaconda on ext4 partitions belonging > to LVM Volume Group. I had guessed that you were t

Re: [CentOS] Is Amanda "vaulting" what I need for archiving data?

--On Wednesday, January 11, 2012 03:40:20 PM -0500 Alan McKay wrote: > Well, the scientists are talking longer than 7 years so HDs just are not > going to cut it Regarding the use of hard drives, you might want to have a look at this: At a

Re: [CentOS] Rozwa¿ania odno¶nie storage?

> Hi. Currently I am dealing with a cluster of mail, [...] For a highly scalable open source mail solution, have a look at the Cyrus IMAP (+POP) mail system, specifically the Cyrus Murder configuration. I don't know of any comparable open source system (and I would stack it against commercial so

Re: [CentOS] Storage - posibilities?

Rafa³ Radecki wrote: > We are thinking about replacing these storage hosts with one solution, > maybe a storage array with appropriate disk space and I/O capacity. As John had mentioned the solution really depends on a complete analysis of your requirements (average and maximum message size, nu

Re: [CentOS] (OT): Horde initial SQL setup

Craig White wrote: > On Jan 25, 2012, at 5:34 PM, Bill Campbell wrote: > >> Now I need to look at the schema to see what's necessary in >> migrating an older horde/imp installation to this. > > the 'migration' of the db's should be done within the administration > panel of Horde except if y

Re: [CentOS] my notes on bond, bridge, network, kvm, host and virtual so far

I have no idea if this is the source of your problem (I wasn't using bonded interfaces), but it's sufficiently similar that you might want to try it. I had a lot of problems with the network stack on VMs, both under VMWare ESXi and Xen where the network would just go numb. After a lot of splunkin

Re: [CentOS] my notes on bond, bridge, network, kvm, host and virtual so far

Devin Reade wrote: [...] > While I had the above command in rc.local, I would also run the > attached script in /etc/cron.hourly as there were some circumstances > where tso would get reenabled. And in case attachments get stripped on the mailing list, you can also get the script he

Re: [CentOS] my notes on bond, bridge, network, kvm, host and virtual so far

Although it was written in the context of Xen, you might also want to have a look at the netloop nloopbacks parameter as described in . On a Xen cluster with 3 physical interfaces per node I had to

Re: [CentOS] oops, or how to bring a datacenter router down with one setting

Bob, I'd suggest you do some more reading on the purpose behind bonding and bridging. It *sounds* like what you functionally need is to have a server with a single route upstream, not acting as a gateway, but where you want to be able to take a failure on one of the upstream network connections w

Re: [CentOS] Startech USB21000S

I can't speak to the actual USB device mentioned, but I bought a couple of Startech PCIe gigabit cards a few months back to add an extra set of interfaces on a pacemaker cluster and those cards turned out to be absolute crap. They would tend to go numb at random times and eventually require a serv

Re: [CentOS] oops, or how to bring a datacenter router down with one setting

--On Friday, February 10, 2012 01:49:05 PM -0600 Les Mikesell wrote: > I suppose it is possible for a NIC to fail, but I can't recall actually > ever seeing it. I've seen lots of complicated failover schemes introduce > new problems and their own failure modes [...] +1. Redundancy is cool. Re

Re: [CentOS] oops, or how to bring a datacenter router down with one setting

--On Friday, February 10, 2012 04:40:59 PM -0500 m.r...@5-cent.us wrote: > Devin Reade wrote: > >> or when some fool decides that they can unplug a network cable >> briefly so that they can move other cables around). >> > Now wait a minute - I would dearly love to dis

Re: [CentOS] Any experience with eSATA and port multiplier...?

--On Friday, February 17, 2012 07:03:57 PM + Gary Greene wrote: > On 2/17/12 3:47 AM, "John Doe" wrote: >> just bought an eSATA/USB dual drive docking station and my CentOS 5 can >> only see one drive at a time... >> Any one knows if there are specific parameters to set somewhere? >> Or do

Re: [CentOS] CentOS 6.2 software raid 10 with LVM - Need help with degraded drive and only one MBR

Putting an MBR on all disks right after an OS install, as previously mentioned, is of course the best option (although it's too late for that in this instance). Others have talked about using the live CD to recover from your situation, which is good. Other, "less good" options that might be avail

Re: [CentOS] CentOS 6.2 software raid 10 with LVM - Need help with degraded drive and only one MBR

Jonathan Vomacka wrote: > On 3/2/2012 3:09 PM, Devin Reade wrote: >> Putting an MBR on all disks right after an OS install, as previously >> mentioned, is of course the best option (although it's too late for that >> in this instance). > > In terms of the install

Re: [CentOS] Cloud on CentOS Server

John R Pierce wrote: > I don't understand how ANYTHING you do on a single server could be > called 'cloudy'. Well, if it catches fire and produces lots of white smoke ... ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listi

Re: [CentOS] using a Laptop as a KVM console?

Rudi Ahlers wrote: > I want to use a laptop as a KVM console. [snip] Other people have pointed out KVM-over-IP devices for your legacy or low end machines (ALOM/iLO/DRAC/whatever is still cheaper for server-grade hardware). I'd like to bring up the AdderLink IPEPs, which I can say from experie

Re: [CentOS] OT - Any true bourne shells out there for linux?

I've not looked at it in a few years, but I seem to recall that ash was fairly close to the traditional Bourne syntax. I don't know if it is helpful to your case, but if you have a script that is bash-specific, it is a good idea to change the magic line from # !/bin/sh to # !/bin/bash That

Re: [CentOS] ssh prompting for password

bluethundr wrote: > [bluethu...@virtcent01:~]#ls -l .ssh/authorized_keys > -rw--- 1 1001 1002 1597 Nov 15 12:02 .ssh/authorized_keys By any chance do you have a UID/GID mismatch between machines? I'm not convinced that it would result in the behavior matched, but the fact that 1001 and 1002

Re: [CentOS] Converting to maildir

I've been happily using and deploying Cyrus based systems for over a decade, so I'll jump in with my $0.02. > Many people care about storage format. It was mentioned previously that Cyrus IMAPd uses an internal format. Well, it happens that that internal format is really just the mail message it

Re: [CentOS] kernel update doesn't update grub.conf

[I saw this thread in the mailing list archives, but wasn't subscribed at the time, so sorry it's not a proper follow-up.] The symptoms you describe could be a side effect of being previously hit by and .

Re: [CentOS] dovecot sieve rpm?

I don't know how firmly you want to stick with dovecot/postfix, but an equivalent stack (cyrus/sendmail) is part of the base distro and of course works well with sieve, is fast, and scalable. Adding Horde (which isn't part of the base distro) gives a good web-based interface to sieve in addition t

Re: [CentOS] securing sshd with selinux

--On Tuesday, May 17, 2011 03:00:43 PM +0200 Hajo Locke wrote: > dont have experience with selinux, but i want to know if it would be a > practicable way to secure sshd with selinux. [snip] Do your users need full ssh access or just scp/sftp? You mention php/perl, but it's not clear if they ne

Re: [CentOS] Feed a list of filenames to vim

--On Tuesday, May 17, 2011 07:19:45 PM +0300 Jussi Hirvi wrote: > [root@lasso2 tempdir]# cat list | xargs vim > 3 files to edit > Vim: Warning: Input is not from a terminal > > Ok, so far, so good. And after this, the file a opens, as expected. > However, the contents show as all uppercase. And

Re: [CentOS] Feed a list of filenames to vim

--On Wednesday, May 18, 2011 05:15:54 PM +0200 Nicolas Thierry-Mieg wrote: > what, so no-one is going to offer a better solution with emacs? Never mind the emacs vs vi flamewars. (Of which I use both fluently.) Real Sysadmins Use ed(1). ;) Of course, trying to use ed with a list of files is j

Re: [CentOS] scsi3 persistent reservations in cluster storage fencing

--On Friday, May 20, 2011 02:28:18 PM -0700 John R Pierce wrote: [snip] > One question I have is: how well will this scale with several strings of > 100 SAS drives on the same HA pair of servers? > > Can SAS storage instead be fenced at the SES/expander level rather than > having to use reserv

Re: [CentOS] SSD for Centos SWAP /tmp & /var/ partition

--On Monday, May 23, 2011 05:05:38 PM -0700 R - elists wrote: > what specific units are considered server grade ssd's ? What you want to look for in your drive specs are the acronyms SLC and MLC. SLC is enterprise grade, smaller capacity, expensive MLC is consumer grade, larger capacity,

Re: [CentOS] securing ldap with tls and security

--On Tuesday, May 24, 2011 02:12:51 PM -0700 Paul Heinlein wrote: > This /etc/ldap.conf works well for me on CentOS 5: > > - %< - ># failover doesn't work using the newer 'uri' directive. ># can go to ldap1; use ldap2 for backup > host ldap1.domain.com ldap2.domain.com > port 389 I have

Re: [CentOS] calendar

If you're looking for an email *client* that does calendaring and runs on CentOS, I believe that Mulberry will talk calendaring to an exchange server and I know it runs on CentOS (as well as other Linux variants, Mac and Windows). Don't let the lack of recent up

Re: [CentOS] calendar

--On Thursday, May 26, 2011 04:09:09 PM -0600 Devin Reade wrote: > If you're looking for an email *client* that does calendaring and > runs on CentOS, I believe that Mulberry will talk calendaring to > an exchange server and I know it runs on CentOS (as well as other > Linux

Re: [CentOS] OT: Why VM?

But taking the other side of the argument, here are two scenarios where I *wouldn't* use virtualization (one could certainly enumerate more): 1. A production DB server or server cluster. 2. I've had services where I needed to maximize uptime. One option I tried were VMs and being able to move

Re: [CentOS] OT: Why VM?

--On Friday, May 27, 2011 05:35:32 PM -0400 Steve Thompson wrote: > On Fri, 27 May 2011, Devin Reade wrote: > >> Thank god for test environments. And backups. > > Backups? Que? That was just an OT aside referring that while the optimist in me hopes for an easy rolling upg

Re: [CentOS] /etc/security/limits.conf : rss

--On Friday, June 03, 2011 07:10:44 PM +0200 Christophe Caron wrote: > I want to limit the memory usage about 150 GB per process. > So i use the /etc/security/limits.conf configuration file. I test this > configuration with some tools with a lower GB limit (about 2 or 4 GB), > and it works ! > >

Re: [CentOS] /etc/security/limits.conf : rss

--On Monday, June 06, 2011 10:02:27 AM -0600 Devin Reade wrote: > 2. /etc/security/limits.conf is used by pam_limits. Have you > verified that that module is configured and required by pam? Although I guess the answer to that one is obviously "yes" given your comments o

Re: [CentOS] Possible to use multiple disk to bypass I/O wait?

--On Thursday, June 09, 2011 07:04:24 PM +0200 Rudi Ahlers wrote: > Can one mount the root filesystem with noatime? Generally speaking, one can mount any of the filesystems with noatime. Whether or not this is a good thing depends on your use. As was previously mentioned, some software (but no

Re: [CentOS] Possible to use multiple disk to bypass I/O wait?

--On Thursday, June 09, 2011 12:28:28 PM -0600 Devin Reade wrote: > The only thing that comes to mind offhand is mail software that > uses a single-file monolithic mailbox. Another message reminded me that most such software is probably basing its checks off of the mtime anyway.

Re: [CentOS] ultrasecure sshd server

Another option that you might want to look at is putting up an OpenBSD gateway running authpf (see ). The model there is an outside user has to open up an ssh shell to the authpf gateway before they are allowed to access services inside the network. If

Re: [CentOS] ultrasecure sshd server

--On Friday, June 10, 2011 08:55:47 PM +0200 Ljubomir Ljubojevic wrote: > Devin Reade wrote: >> Another option that you might want to look at is putting up an OpenBSD >> gateway running authpf (see <http://www.openbsd.org/faq/pf/authpf.html>). [snip] > That is not

Re: [CentOS] CentOS-6 Status updates

--On Monday, June 13, 2011 10:23:54 AM -0400 "James B. Byrne" wrote: > I just want to say that I really, really, appreciate the information > given on this site: > > http://qaweb.dev.centos.org/qa/calendar Indeed. Even though it's not official, having a gut feel for approximate status sure hel

Re: [CentOS] CentOS-6 Status updates

>>> Smart folks will test 6.0 to see how apps perform/behave and then wait >>> till 6.1. >> >> I beg to differ. Smart folks will test 6.0 and deploy it if performance is >> acceptable. > > Guess you have never worked in an organization of any size where you worry > about reliability, patches, bug

Re: [CentOS] Config file semantics.

--On Wednesday, June 15, 2011 02:52:22 PM -0700 Keith Keller wrote: > I am constantly frustrated by being limited to a whole number of spaces. > What if I want pi spaces? Or e*i? I would like to introduce other space operators as well. For example, we could use d(space)/dt to not only have spa

Re: [CentOS] Config file semantics.

--On Friday, June 17, 2011 02:27:22 PM -0400 m.r...@5-cent.us wrote: > Minkowski space? Sure. I'll implement M-x minkowski-space-mode as soon as I get 'elsewhere' (in Minkowski terms, that is). Devin ___ CentOS mailing list CentOS@centos.org http://l

Re: [CentOS] inconsistent DNS results - ping vs dig vs nslookup

--On Wednesday, June 22, 2011 03:30:18 PM -0500 Robert Henrichs wrote: > root@pbx:~ $ cat /etc/resolv.conf > search isp.com >nameserver 8.8.4.4 >nameserver 216.146.36.36 >nameserver 8.8.8.8 Get rid of the leading whitespace if it actually exists in that file. It shouldn't make a diff

Re: [CentOS] sendmail - smtp security/authentication & port 587 issues

Max Pyziur wrote: > Are there any views in this CentOs user community on [using port 587]? Yes. Not only is enabling 'submission' a good idea, but you should also enable 'smtps' (which is different from smtp+tls): DAEMON_OPTIONS(`Port=smtp, Name=MTA')dnl DAEMON_OPTIONS(`Port=submission, Name=

Re: [CentOS] Mail Question

Bo Lynch wrote: > Any > recomendations on procmail vs Dovecot LDA? Thanks again for all your help If you're running into problems due to the size of mailboxes, using an MDA that does storage as one file per message is a good idea. One excellent one that is also available on CentOS is the Cyrus I

Re: [CentOS] Anyway to ensure SSH availability?

--On Thursday, June 30, 2011 04:15:07 AM +0800 Emmanuel Noobadmin wrote: > Would ILO work on a server that's unresponsive due to heavy load? ILO or any other OOB solution gives you the functionality of sitting at the console. So if the problem is one that would cause the console to be unrespons

Re: [CentOS] Anyway to ensure SSH availability?

--On Thursday, June 30, 2011 05:04:07 AM +0800 Emmanuel Noobadmin wrote: > On 6/30/11, Les Mikesell wrote: >> The seriously on-the-cheap approach is to run a few virtual servers on >> hardware slightly better than one of the individual servers would need. > > Actually THAT is the fundamental pr

Re: [CentOS] Power-outage

Bowie Bailey wrote: > If you don't require a long runtime, then you don't need > to get a huge UPS. APC's website has a calculator that can help you > determine which UPS will work best based on your equipment and desired > runtime. However, give yourself some leeway to allow not only for chang

Re: [CentOS] Power-outage

Ljubomir Ljubojevic wrote: > First is to have LAN power controller/switch, can't remember how you > call it. It can monitor several inputs like voltage, on/off, etc, and it > can be used to cut and restore power, as well as reboot. They have web > interface and are accessible via IP. Wireless

Re: [CentOS] CentOS on the HP MicroServer

I was looking at the marketing hype on those machines, and they look like they take a standard 3.5" SATA drive. OTOH, some pictures of the HP model drives for the microserver look like there's some type of handle on the front. I'm assuming that this is the "hard disk carrier" mentioned in the in

Re: [CentOS] How much SWAP Space.

Kaushal Shriyan wrote: > I have loaded CentOS 5.6 on HP DL 180G6 2U Rack Server and the > physical RAM is 32 GB. As per > http://www.centos.org/docs/5/html/Deployment_Guide-en-US/ch-swapspace.html > It says it should be 1 x of Physical RAM or less. Not sure about the > "less" word in deciding swa

Re: [CentOS] Is it safe to run tune2fs -c -1 -i 0 /dev/sda2 on mounted file system

yonatan pingle wrote: > It would be much better controlling this values from your /etc/fstab file, > so in case of any future references to fsck on boot, you will know > what's configured by file. > man fstab , and read about the sixth field. I would disagree with that as there's a difference in

Re: [CentOS] centos 64 bit

--On Wednesday, July 13, 2011 09:00:48 AM +0200 Ljubomir Ljubojevic wrote: > RHEL/CentOS always installs both 32-bit and 64-bit libraries I disagree. I'm not sure what the algorithm is to select all-64 vs mixed-32-64 on 64 bit platforms, but I've got a datapoint that disproves the generalizatio

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