On 3/19/2014 2:50 PM, Ned Slider wrote:
>
> Just to add, I'm sure everyone has already read and implemented many of
> the suggestions here:
>
> http://wiki.centos.org/HowTos/Network/SecuringSSH
>
> Numbers 2 and 7 have already been highlighted in this thread.
>
#1 These days I would say that
On 8/25/2011 7:05 PM, Always Learning wrote:
>
> On Thu, 2011-08-25 at 14:36 -0700, John R Pierce wrote:
>
>> On 08/25/11 1:45 PM, Always Learning wrote:
>>> I have broken-up the very large conf file (/etc/httpd/conf/httpd.conf)
>>> into 3 main parts. Part 1 is left in situ. Parts 2 and 3 are locat
On 8/28/2011 12:37 PM, Les Mikesell wrote:
> On Sun, Aug 28, 2011 at 10:20 AM, Keith Roberts wrote:
>>> The CentOS Forums are a very very good resource for many people and the
>>> people spending time managing and posting there are doing a very good
>>> job. I'm guessing you were unable to get val
On 7/28/2011 5:01 PM, Spiro Harvey wrote:
>> the thing is that not all mail clients will set the in-reply-to
>> headers, whuch is why clients like thunderbird, evolution and mutt
>> will use the subject line as well to thread messages.
>
> Apple Mail does that too and it makes the threading unusabl
On 7/26/2011 12:12 PM, Karanbir Singh wrote:
> On 07/26/2011 04:59 PM, Leonard den Ottolander wrote:
>> Seems an issue with yum too, seeing that it segfaults over bad data.
>> This has been reported upstream:
>> https://bugzilla.redhat.com/show_bug.cgi?id=725798
>
> I dont really see that as a yum
On 7/1/2011 10:59 AM, Robert Heller wrote:
>
> APC UPSes are supported by apcupsd. Other brands, not so much. Some
> (read: cheaper models) have their own special protocol and don't
> include Linux support. These solutions are intended for the cheaper or
> otherwise 'unsupported' UPSes. It *sou
On 6/27/2011 8:10 AM, Jerry Geis wrote:
> I have something like 300G I routinely backup.
> This includes some large 12Gig images and other files.
>
> I had been using ext3 on an external USB disk for part of the process.
>
> Under ext3 doing "rsync -a /home /mnt/external_back/backup.jun.27.2011"
>
On 6/23/2011 12:16 PM, PJ wrote:
> I'm sure many are running ext4 FS's in production, but just want to be
> re-assured that there are not currently any major issues before
> starting a new project that looks like it will be using ext4.
>
> I've previously been using xfs but the software for this pr
On 6/9/2011 1:02 PM, Emmanuel Noobadmin wrote:
> On 6/9/11, Steven Tardy wrote:
>> top Cpu(s) line is averaged for all cpus/cores. to display individual
>> cpus/cores press:
>> 1
>> you'll likely see one cpu/core being pegged with iowait.
>> to identify the offending process within top press:
On 6/9/2011 1:26 PM, John R Pierce wrote:
> On 06/09/11 2:24 AM, Emmanuel Noobadmin wrote:
>> Alternatively, if I mdraid mirror the existing disk, would md be smart
>> enough to read using the other disk while the first's tied up with the
>> first process?
>
> that woudl be my first choice, and yes
On 6/9/2011 1:09 PM, Emmanuel Noobadmin wrote:
> On 6/10/11, Markus Falb wrote:
>> Yes, but before doing this be sure that your Software does not need atime.
>
> For a brief moment, I had that sinking "Oh No... why didn't I see this
> earlier" feeling especially since I've already remounted the
>
On 6/7/2011 1:04 PM, Timothy Murphy wrote:
>
> No. I was rung one day by a lady at my ISP (Eircom), who told me I
> had been chosen as a recipient of their new "Ultimate" system, which
> would increase my speed from 5Mb/s to 14Mb/s, at no extra cost!
Could be newer DSL technology, or could simply
On 6/7/2011 11:22 AM, m.r...@5-cent.us wrote:
> Timothy Murphy wrote:
>
> Right, I just looked it up, and I see it's an ADSL modem. Look at your IP
> address, and I'll bet you're 192.168.0.x, or 192.168.1.x. Whatever it is,
> try pinging 192.168.[0 or 1].1. Whichever it is, pull up your browser, an
On 6/3/2011 10:12 PM, Ron Blizzard wrote:
> On Fri, Jun 3, 2011 at 2:06 PM, Les Mikesell wrote:
>
>> That's not what I said. I said Red Hat's redistribution restriction
>> created the need for Ubunutu. And that the community that is now
>> dependent on RH-rebuilds might be better served by a dist
On 6/2/2011 4:18 PM, Les Mikesell wrote:
>
> The things I always look for and almost never find are
>
> (a) A split between tutorial (step-by-step for common uses) and
> reference sections (that have all the options). Once you've followed the
> tutorial you won't want to wade through that again
On 5/31/2011 3:43 AM, Dotan Cohen wrote:
> On Tue, May 31, 2011 at 01:26, John R. Dennison wrote:
>> On Tue, May 31, 2011 at 01:10:40AM +0300, Dotan Cohen wrote:
>>> Thanks, all. I did actually look at the grep manpage but after a few
>>> screenfuls it became tl;dr and I started just skimming.
On 5/26/2011 8:04 AM, Ljubomir Ljubojevic wrote:
> John Hodrien wrote:
>> On Thu, 26 May 2011, Emmanuel Noobadmin wrote:
>>
>>> Personally, I'm averse to using SSD with any important long term data
>>> is the nightmare that I could one day wake up to find everything gone
>>> without any means of re
On 5/20/2011 4:00 PM, Les Mikesell wrote:
> On 5/20/11 1:16 PM, Joseph L. Casale wrote:
>>> Git and Gitweb?
>>
>> Thought of that, is there anything that can monitor for changes so I can
>> avoid a commit command for every script, as they all dump to an already
>> well organized tree, I was hoping
On 5/23/2011 7:03 AM, Timothy Murphy wrote:
> yonatan pingle wrote:
>
>> On Sun, May 22, 2011 at 2:06 PM, Keith Roberts
>
>> anyways - if it's for home usage Don't think twice get an SSD .
>
> Why?
> I've read most of the articles in this thread,
> and I haven't seen anything that persuades me
> S
On 1/7/2010 12:28 PM, Joseph L. Casale wrote:
>>> I also heard that disks above 1TB might have reliability issues.
>>> Maybe it changed since then...
>>>
>>
>> I remember rumors about the early 2TB Seagates.
>>
>> Personally, I won't RAID SATA drives over 500GB unless they're
>> enterprise-level on
On 1/7/2010 10:54 AM, John Doe wrote:
> From: Karanbir Singh
>> On 01/07/2010 02:30 PM, Boris Epstein wrote:
>>> KB, thanks. When you say "dont go over 1 TiB in storage per spindle"
>>> what are you referring to as spindle?
>>
>> disk. it boils down to how much data do you want to put under one
>>
On 1/6/2010 2:36 PM, Alan McKay wrote:
> On Wed, Jan 6, 2010 at 1:05 PM, Brian Mathis wrote:
>>> No out of band management?
>
>> My thoughts exactly. All servers should have this these days, be it
>> an integrated card or an IP-based KVM.
>
> Oh believe me, I want to get there. It's high on my
On 1/5/2010 5:44 PM, Matt wrote:
> I just installed CentOS 5.4 64 bit release on a 1.9ghz CPU with 8gB of
> RAM. It has 2 Western Digital 1.5TB SATA2 drives in RAID1.
>
> [r...@server ~]# df -h
> FilesystemSize Used Avail Use% Mounted on
> /dev/md2 1.4T 1.4G 1.3T 1% /
On 1/5/2010 3:53 PM, Susan Day wrote:
> Hello;
> How do I get the IUD number for a user?
"id" command (see also the "groups" command)
$ id -u thomas
999
$ id -G thomas
(prints a list of all group numbers that I belong to)
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On 1/5/2010 1:52 PM, Tom Bishop wrote:
> Yeah I know fedora core 12 works well along with ubuntu 8.04, thats what
> I am running now with later kernel, I just like to run centos on my
> production servers...neither of the latter exhibit the same condition
> that I saw with centos5.4. I have updat
On 1/4/2010 10:09 AM, Tom Bishop wrote:
> Was wondering if anyone has any luck with the Tyan s4985 motherboard, I
> had loaded up the latest 5.4 release and in installed most everything
> that I wanted but when I loaded it up, as in processor wise it would
> lock up. Funny thing I could still ssh
On 1/5/2010 11:49 AM, Benjamin Franz wrote:
>
> If your brute force protection is not catching the repeated login
> failures, you should check its configuration.
>
Or give up and move SSH to a non-standard port, at least from the
outside. (I got tired a few years ago of watching my log files fil
On 1/5/2010 7:31 AM, Kai Schaetzl wrote:
> For what do you need the hash? You don't supply the hash for logging in.
>
In the case of SSH login, you are correct that the hash is not used to
login. But the attacker may find a way to read the hash out of the
/etc/shadow file, or the same password
On 1/4/2010 12:42 PM, Roland Roland wrote:
> also is there a way I could enable the PAM module which uses crack
> library to check the strength of a users password?
> any help with this is truly appreciated...
/etc/pam.d/system-auth-ac
The default is:
passwordrequisite pam_cracklib.so tr
On 12/31/2009 11:27 AM, James Bensley wrote:
>
> I can't say this with 100% certainty but I would of thought that it
> would been fine. I've lost my mdadm.conf (reinstalled OS) with a
> separate 4 disk RAID 5 array and re-assembled the array and carried on
> as if nothing had happened.
>
Yes, in g
Rather off-topic, but I'm looking for IP-based KVMs (~16 ports) that can
handle both PS/2 and USB hookups on the server side. All of the answers
over at Slashdot are a few years out of date and it looks like prices on
KVM head units have dropped a bit over the years.
Some of the older units on
On 12/29/2009 11:44 PM, Noob Centos Admin wrote:
> My Centos 5 server has seen the average load jumped through the roof
> recently despite having no major additional clients placed on it.
> Previously, I was looking at an average of less than 0.6 load, I had a
> monitoring script that sends an emai
On 12/21/2009 9:08 AM, sadas sadas wrote:
> What is the best way to monitor the total incoming / outcoming network
> traffic of CentOS server. I think that the solution is to monitor the
> network interfaces and to send SNMP packets to remote server. But is it
> possible?
>
MRTG is the simp
On 12/18/2009 4:12 PM, Peter Serwe wrote:
> You can't patch the Berkeley Packet Filter into Linux. Linux kernel
> doesn't support it.
>
> and...
>
> Despite a cacophonous chorus of replies directing you to the right tool
> for the job, you insist on sticking with Linux.
>
> If you want to
On 12/16/2009 1:32 PM, Mathieu Baudier wrote:
>> (We took advantage of repository sharding in 1.6, which is why we did a
>> svn dump/load method. If we didn't need sharding, we probably could've
>> just copied the directory tree across from the 1.4 to the 1.6 server.)
>
> Did you consider the
On 12/15/2009 4:22 AM, Mathieu Baudier wrote:
> Hi,
>
> I'm planning to upgrade an old public/internal development
> infrastructure and will use CentOS 5.4 x86_64 as basis.
>
> The Subversion version in CentOS 5.4 is v1.4, whereas RPMForge provides v1.6.
> I use the RPMForge version as my client on
On 12/16/2009 9:41 AM, William Warren wrote:
> On 12/16/2009 12:10 AM, Eero Volotinen wrote:
> Still going to need 10TB of backups. And i can guarantee you the
> chances of having a URE during rebuild are almost certain with this
> setup so a backup is going to be crucial. Sounds like a nightmare
On 12/15/2009 7:48 AM, Scott Ehrlich wrote:
> I have a client with a handful of USB drives connected to a CentOS
> box. I am charged with binding the USB drives together into a single
> LVM for a cheap storage data pool (10 x 1 TB usb drives = 10 TB cheap
> storage in a single mount point).
>
(sn
On 12/10/2009 10:39 AM, Matt wrote:
> I have CentOS 4.x installed on a single 500GB SATA drive. Drive is
> about 10 percent used. I would like to migrate to software RAID 5
> without reinstalling the OS. Was thinking 3 500GB drives. Is that
> possible or must I reinstall?
Moving to RAID-1 is g
On 12/9/2009 12:23 PM, Miguel Di Ciurcio Filho wrote:
> Miguel Medalha wrote:
>> I am about to install a new server running CentOS 5.4. The server will
>> contain pretty critical data that we can't afford to corrupt.
>>
>
> Just for the record, Theodore Ts'o marked ext4 as stable and ready for
> ge
On 12/7/2009 7:24 AM, Diederick Stoffers wrote:
> [r...@localhost ~]# uname -a
> Linux localhost.localdomain 2.6.18-164.6.1.el5xen #1 SMP Tue Nov 3
> 16:48:13 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
>
If you dig back through the xen-users mailing list, there's a thread
that discusses this rec
On 12/2/2009 4:41 PM, Matt wrote:
> Does anyone know of a utility I can run on a server to periodically
> ping several hosts and record the result? Does not need to be
> anything fancy at all.
Various monitoring apps (cacti, nagios, etc)... or MRTG. All of which
store their data in RRDTool.
Wh
On 12/1/2009 8:05 AM, Paul Bijnens wrote:
> I have the problem on 2 servers, and both of those servers are also running
> a VMware image (very small, but constantly used) under VMware Server 2.
> Could it be that the .vmem file, or even the virtual disk is constantly
> written to, and the raid is c
On 11/30/2009 11:34 AM, Jonathan Garden wrote:
> This is really stupid question. But referring to:
> http://lists.centos.org/pipermail/centos/2009-October/083791.html
> I don't see any line related to ntpd in my /var/log/messages . Do I need
> to turn-on ntpd for timekeeping on VMs? Some people say
On 11/22/2009 8:38 PM, Gordon McLellan wrote:
> I have two servers with identical hardware ... TYAN i3210w system
> boards with dual intel gigabit interfaces, and a PCI intel gigabit
> nic. I'm running Centos 5.4, x86_64, 2.6.18-164.6.1.el5
>
> Every other time I reboot, the nics initialize in a
On 11/25/2009 6:45 PM, Christopher Chan wrote:
> Thomas Harold wrote:
>>
>> We use postfix, dovecot, clamav milter (reject at SMTP time), spf policy
>> check (with rejecting on SPF_FAIL at SMTP time), and AmavisD-New w/
>> SpamAssassin for scoring what's left.
On 11/23/2009 1:59 PM, Robert Moskowitz wrote:
> Susan Day wrote:
>> Hi;
>> I don't want sendmail. What's a good secure email server that I can
>> yum? I really only need smtp right now, but who knows what the future
>> will bring?
>
> See my slightly prior post on: Re: [CentOS]
> smtp+pop3+imap+t
On 11/23/2009 2:21 PM, John R. Dennison wrote:
> On Mon, Nov 23, 2009 at 01:59:40PM -0500, Robert Moskowitz wrote:
>>
>> It points you to:
>> http://howtoforge.net/virtual-users-domains-postfix-courier-mysql-squirrelmail-fedora-10
>>
>> Now granted this is for FC10, but I suspect it would be easy t
Johnny Hughes wrote:
is it possible that you have extras set at a different priority than
base ... you also have the protectbase installed along with priorities
(not recommended).
You should have these settings for [extras], [base] and [updates]
sections in CentOS-Base.repo:
priority=1
pr
Simon Jolle sjolle wrote:
On 05/15/2008 04:24 PM, Sam Drinkard wrote:
About 2 years ago, I build a server
[...]
What are the advantages of building your own server comparing with
products from HP, Dell and IBM? Is it cheaper?
I never heard of DIY server hardware market.
Getting exactly w
John Plemons wrote:
I would look at Tyan, Soyo, and Intel for middle of the road
performance, but more over for dependability... I have also had very
good luck with MSI, Asus...
Same here, Tyan for the really important systems (complete with ECC)
inside a SuperMicro rack case. Asus for the
Sergio Belkin wrote:
2008/5/13 <[EMAIL PROTECTED]>:
OK, you won :) I'm going to test nagios. I am using centos 5.1
x86_64. Do I lose much if I use rpm from rpmforge (version 2.9)?
We're running version 2.11 at the office (on CentOS 5.1 x86_64). I've
looked at some of the things in 3.0, bu
Ross S. W. Walker wrote:
Nagios can start very simple, but has the ability to end up very complex.
It's configs take a modular approach, you have monitors, monitors belong
in groups, groups have operators/administrators, etc.
We just finished setting up Nagios at our office. It's not that b
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