Questions tagged [centos5]
CentOS 5 is an obsolete, free (as in beer and speech) GNU/Linux distribution that is community driven and based on source code released from RHEL.
115
questions with no upvoted or accepted answers
5
votes
2
answers
867
views
apache/httpd responds slower under EL6.1 than EL5.6 (CentOS)
I've read through other threads on performance differences between RHEL 6 and RHEL 5, but none seem a tight match to mine.
My issue manifests itself in slightly slower average response time (20ms) ...
- 51
4
votes
1
answer
175
views
date command displays different time
I have one centos 5.8 Linux server. I am experiencing a bit strange issue and figured out it is something with system time. When I check date command, outputs are really strange. Here is example:
[...
- 169
3
votes
2
answers
17k
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Repository 'base' is missing name in configuration, using id CentOS5
When I run yum update I receive the following error:
Repository 'base' is missing name in configuration, using id
Loading mirror speeds from cached hostfile
Error: Cannot find a valid baseurl for ...
- 31
2
votes
0
answers
248
views
Connect two servers with OpenVPN
guys,
I need a consulting.
I need to connect two servers which are located at another places geographically. One of servers is at LeaseWeb, and another is at our office in Moscow.
I'm using OpenVPN ...
- 690
2
votes
0
answers
3k
views
Nagios: check services being orphaned?
Recently I noticed that there are some warnings in the nagios.log:
[1366060611] Warning: The check of service 'pt-deadlock-logger' on host 'xx' looks like it was orphaned (results never came back). ...
- 51.8k
2
votes
1
answer
1k
views
Centos 5.8 cant get past login screen
I think I've messed up my system.
I've been using KDE for a while. Recently, I tried to install a software called gnome-connection manager. I downloaded the deb package, converted it to rpm using ...
- 121
2
votes
2
answers
1k
views
I keep getting an IPMI error when doing console redirection
I did have the remote management portion of IPMI working locally and externally but it is now giving me an "Usage: java RConsoleApp <Aster Card IP> <Port>" error message.
This is a Tyan ...
- 21
2
votes
4
answers
12k
views
Cannot get nscd to run. DNS cache stale as a result
I'm trying to troubleshoot an issue on a MediaTemple server (running CentOS5) where the DNS cache has grown stale - I think because nscd has crashed. I've tried restarting nscd:
# service nscd ...
- 45
1
vote
0
answers
108
views
Updated web-server and now website providing 503
To start with I'm not familiar with web-page hosting Apache/tomcat. I recently updated a private web-server in what may have been the first time in a long time using yum, and now the website is not ...
- 209
1
vote
0
answers
1k
views
Can I install rsyslog and syslog on the same machine
I'm running CentOS 5 with syslog already installed. When I try to install rsyslog I receive the message
file /etc/logrotate.d/syslog from install of rsyslog-7.6.7-1.el5.centos.x86_64
conflicts with ...
- 111
1
vote
1
answer
3k
views
Auditd is writing a lot to logs
I recently tried to use auditd to find what's creating tmp files on a CentOS 5 x64 OS. I removed the rules:
# auditctl -l
No rules
but there is a lot of writing into auditd logs. If I check the logs ...
- 288
1
vote
0
answers
440
views
CentOS 5.11: yum installs, but packages remain missing
I'm trying to figure out a very strange problem with yum on a fairly old CentOS 5.11 VPS using DirectAdmin.
Executing the following command suggests the telnet package is installed:
# yum install ...
- 111
1
vote
0
answers
72
views
Rollout approach for centOS/RHEL linux servers to achieve centralised authentication through AD
We have 3 environments testing develop and production each having more than 40 Linux servers. Need to establish centralized authentication through AD for all these environment.
Which is the best ...
- 11
1
vote
0
answers
151
views
Enabling APC cache takes down website
I have a VPS running on centos 5 with 2 GB ram. I run a IP.Board forum on that server. Recently my server was hacked and I had to format the disk and start again. I was using APC cache before and it ...
1
vote
0
answers
1k
views
Filtered port 22 with no firewall settings
I'm trying to connect to an sftp server from a CentOS 5.5 server. The connection is never established. When I run the command:
nmap -p 22 -P0 <sftp server address>
PORT STATE SERVICE
22/...
- 121
1
vote
0
answers
900
views
Bind9 External Reverse Lookup DNS Problems
I have a problem with a group of bind9 DNS servers running on Centos 5.10
The servers are on an internal network and are NATed from the internet facing network architecture to allow external ...
- 257
1
vote
0
answers
7k
views
How do I disable httpd service on startup (centos 5)
Scenario
Installed NGINX, so want to disable HTTPD from running after a server reboot. However when I have used the below commands, httpd starts again.
Commands tried
# service httpd stop
# ...
- 11
1
vote
0
answers
357
views
Why does Ruby on Rails run slowly on VMWare
We are experiencing slow performance of our Ruby on Rails application on a hosted server.
Neither us nor our hosting provider have been able to accurately diagnose the reason for this.
Indicators of ...
- 71
1
vote
0
answers
107
views
pam_mount on CentOS 5 NOT working with Winbind
I used the instructions located here: Installing pam_mount on CentOS 5
However, when I add the pam_mount.so entries, and reboot the machine, I cannot log in. Each time I enter the login and press ...
- 11
1
vote
0
answers
337
views
Cannot install yum on CentOS 5.3, 64bits
I'm facing a problem with installing yum in CentOS (version 5.3, 64bits). My CentOS yum is not preinstalled, so I can't install other package that I need. I found out one article that show how to ...
- 11
1
vote
0
answers
1k
views
apcupsd not working properly on centos 5
I have APC UPS and my servers are directly connected to it using power cable. I want to use network link to shutdown servers when ups goes on batter. the following is my config file.
## apcupsd.conf ...
- 351
1
vote
0
answers
268
views
Long running Apache processes after Php execution completed
Apache/2.2.3
PHP 5.2.5
CentOS 5
Trace
Trace details image
start php
run script
run kill (registered Php shutdown function)
apache still runs for long time, unknown why
This does NOT happen every ...
- 151
1
vote
0
answers
75
views
Why my SSDs are in /dev/hdx instead of /dev/sdx on CentOS 5.9?
I have two SSDs Kingston SH103S3240G plugged on SATA ports of my Intel Server Board S3000AH.
The SSDs apear like a PATA device (hdx instead of sdx) on my CentOS 5.9.
I'm having problems related to ...
1
vote
1
answer
1k
views
High Load Average, low CPU and Memory Usage and minimum wait time for IO Operation (5%)
I have a VPS with the OS centos 5.7, and it is behaving very weirdly. My VPS is located on a 2-core machine.
For a 2-core machine, the load average I can see is very high, as evident when I use the ...
- 2,935
1
vote
1
answer
558
views
assign a USB to KVM virtual machine centos 5.8
can any one advice how to assign a USB to a guest based on KVM and host is centos 5.8 64-bit ?
when i tried with gui using virt-manager -> add physical device-> usb i got all usb like null
despite ...
- 93
1
vote
0
answers
247
views
Is there a tool to do packet mirroring in CentOS 5.9?
I know iptables + xtables can do it in more recent versions using the TEE target supplied by the xtables-addon package for iptables. However, the kernel in CentOS 5.9 is 2.6.18 and this version is not ...
- 746
1
vote
2
answers
4k
views
Logwatch configured for nginx with custom log format gives empty output
Problem
I have configured logwatch (CentOS 5.8, x64) to include nginx, using this as a guideline and using the Apache and nginx documentation on log formats. The problem is, that I'm using a specific ...
- 206
1
vote
0
answers
288
views
Disk cache (write back) disables automatically
some days ago I discovered (using Munin) that my server had high iowait times.
The reason was that write cache was disabled. I enabled it using hdparm -W1 /dev/sda but after some time (ramdonly) it ...
- 11
1
vote
0
answers
167
views
Is memcache impacting my performence negatively?
I am using pressflow 6 and NewRelic seems to suggest that memcache is infact hurting performance as shown below :
My settings.php file :
# Varnish reverse proxy on localhost
$conf['reverse_proxy'] = ...
- 355
1
vote
0
answers
182
views
How to make all of my IPs works in HyperVM XEN?
I've installed HyperVM on CentOS 5.8 final to make XEN VPS. I have 5 IPs, and added them to an IPPool. They are from *.123 to *.126.
But when I add Virtual machines, just the first one (which indicate ...
- 113
1
vote
2
answers
657
views
Install gettext-0.17-1.el5.i386.rpm on CentOS 5.8 i386 gives "/usr/bin/python is needed" error
I've removed yum by mistake. So, now I'm installing all the dependencies needed by yum manually. One of those is gettext-0.17-1.el5.i386.rpm and when I try to install it gives the following error,
...
- 111
1
vote
1
answer
554
views
CentOS 5 kickstart requesting .discinfo in incrementing disc# folders
I am attempting to PXE boot a CentOS 5 installation and it is hanging at anaconda start without errors. I can see on the web server side that it is requesting the same .discinfo file over and over ...
- 4,271
1
vote
1
answer
263
views
CentOS tmpfs mount doubling up?
Everytime I mount a ramdisk with the following command, I get two instead of one ramdisk?
mount -t tmpfs -o size=1024M tmpfs /home/site/public_html/var/cache
Mount shows no ramdisks mounted prior, ...
- 259
1
vote
1
answer
482
views
Subversion Installation Error on CentOS 5.8
I am trying to install subversion on centos 5.8 usingyum install subversion and it is throwing the error below.
.....
....
Total size: 7.3 M
Is this ok [y/N]: y
Downloading Packages:
...
- 297
1
vote
0
answers
687
views
Not Connecting from my zimbra webmail
I have configured zimbra webmail on centos 5.5 64bit server for e-mail authentication.
I have installed DKIM and dk-filter on it after installation to check authentication. I tried to open zimbra by ...
- 1
1
vote
0
answers
849
views
Memcached and repcached not replicating 2 master servers
I have memcached-1.2.8-repcached-2.2 installed on memcached on centos.
They install went great and when i start memcached i get:
replication: connect (peer=192.168.1.2:11212)
replication: marugoto ...
- 11
1
vote
0
answers
259
views
Resources for setting up clustered FTP servers on CentOS?
Does anyone have any resources that can lead me to a how-to or at least more information on setting up clustered FTP servers on CentOS?
I'm very new to servers in general (all I've done is set up a ...
- 111
1
vote
0
answers
1k
views
CentOS 5.5 automatic shutdowns?
I have one server running Windows Server 2003 and another one running CentOS 5.5. I created a proxy to allow users to connect to the CentOS server through the Windows server. Everything worked fine ...
1
vote
2
answers
390
views
Upgrade PHP on CentOs5
This morning I used yum upgrade to upgrade from php 5.1.6 to 5.3+ I then went to one of my sites and found that it had crashed, error establishing database connection.
I found through this question ...
- 183
1
vote
0
answers
1k
views
I am not able to ping the IPv6 address asigned to the interface on CentOS 5
I have assigned a stativ IPv6 address to eth2 interface and I am not able to ping it.
Here is the configuration setup done in /etc/sysconfig/networking/device/ifcfg-eh2
# Intel Corporation 82546EB ...
- 11
1
vote
1
answer
286
views
pgpool shm_exit(0)
I'm trying to set up pgpool-II on centos-5.4
For whatever reason pgpool-II fails silently when I try to start it up.
I can't seem to find a log file in the default /tmp dir or in /var/log.
Can anyone ...
- 11
1
vote
1
answer
248
views
Why servers error log states lots of file doesn't exist, but files are accessible and website works well
we migrated our website onto VPS server (CentOS 5.6 + Plesk 9.5), everything works nice, but one strange thing that i noticed in Plesk, is error_log file, most of the time it filled up with hundreds ...
- 11
1
vote
3
answers
1k
views
Apache not starting, nothing in log files despite being "debug" level
Our cloud hosting company decided today to upgrade all CentOS implementations to 2.6.39.2. Unfortunately this had an adverse affect on our Apache server, preventing it from starting with mod_ssl ...
Alex
1
vote
1
answer
1k
views
sendmail: deny all, allow only matched recipients
Warning: Total Sendmail noob here.
Is there anyway to restrict sendmail so that it can only send mail to specific email addresses, either by list or pattern (preferred)
Ideally I'd like to be able ...
- 857
1
vote
1
answer
221
views
openvz node with only one vps
I have an openvz server with 2Gb ram and would like to configure a vps for use all server resources (no swap).
I run:
vzsplit -n 1 -f vps1 -s 0
and have this setup:
Configuration file generated by ...
- 87
1
vote
0
answers
162
views
SAS disk performance drops a while after reboot on cent 5.5 boxes
So we have some workstations with identical hardware.
The Fedora14 box has a couple weeks uptime and still get good performance.
hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 21766 MB in 2....
- 433
1
vote
0
answers
3k
views
Lighttpd 403 Errors on HTML and PHP pages
I installed lighttpd on CentOS 5.5 64-bit. Everything seems fine and running except I cannot get past 403 errors on both HTML and PHP pages. I have used CHMOD and CHOWN, changed ownership in the ...
- 11
1
vote
1
answer
147
views
Stop script execution under apache user
My vhost server's users are allowed to access only their directories, but today i was under attack someone uploaded files by user apache in folder /tmp and executed files.
How can i stop upload by ...
- 781
1
vote
2
answers
268
views
How do you update a driver after a fresh CentOS installation?
I've been a long time Debian user but now I'm working with Red Hat and I'm a bit lost. I just installed a fresh install of CentOS 5.5 on a new Dell server. Dell provides a current Red Hat 5.5 driver ...
- 31
0
votes
0
answers
65
views
Virtualised Centos5.5 Server Having Kernel Errors
We have an old physical server that we can't lose, so I have virtualised it on VMWare. I have powered it up and am testing it. It froze earlier. In the kernel logs I found the following:
Feb 20 08:22:...
