CentOS is a free (as in beer and speech) GNU/Linux distribution that is community driven and based on source code released from RHEL.

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1answer
10 views

Configuring An Opensource Control panel to use with Tomcat 7 in linux or centos

I have a vps with cent os 5.x installed and a kloxo cp installed with it. What I need is how to configure tomcat 7.0 to use side by side by kloxo panel, for example, I can sell a jsp hosting, that ...
0
votes
1answer
729 views

DirectAdmin Freetype update - the make has failed

I am trying to update my VPS today as I always do but am running into a problem with the Freetype update. While I am comfortable with the day-to-day running of my VPS, I am still learning a lot when ...
0
votes
1answer
844 views

using tcpdump to display XML API requests without headers or ack packets

I need assistance, I am trying to use tcpdump in order to capture API requests and responses between two servers, so far I have the following command: tcpdump -iany -tpnAXs0 host xxx.xxx.xxx.xxx and ...
1
vote
3answers
11k views

How to clean up mysql installation on centos

mysql does not exist anymore but when i run yum remove mysql it says that the package is available but not marked for installation, i cannot install new mysql because of that, I need to completely ...
3
votes
2answers
6k views

Yum reports updated bash but binary still reports old version

I'm trying to update a CentOS 5 system in order to patch the bash vulnerability described in CVE-2014-6271 / RHSA-2014:1293-1, but am running into an issue. After seemingly-successfully updating bash ...
0
votes
1answer
17 views

Freshly installed CentOS does not boot from Dell's Perc H700 RAID

Installed a fresh CentOS 5.10 installation on RAID5 provided by Perc H700 Integrated RAID, however the system fails to boot. Checked the system via recovery CD, and noticed that CentOS 5.10 now uses ...
2
votes
3answers
609 views

Server sending out packets bigger then MTU

I have a server that I am transferring data off of. We were having some problems that were traced back to the fact that the server is sending out jumbo size frames despite the fact that ifconfig is ...
-1
votes
1answer
47 views

High CPU usage by whois | CentOs 6 [closed]

I am not a server guy and currently maintaining a small server for my own needs (Development and testing). I got a notification that my Server CPU usuage is around 99% from last 3+ hours.I know that ...
4
votes
2answers
879 views

mod proxy not working on apache

I am trying to install Mod_Proxy Apache module on WHM/CPanel CeEntOS Linux Server. Here is system info: CentOS release 5.6 (Final) Server version: Apache/2.2.21 (Unix) Cpanel::Easy::Apache v3.7.2 ...
1
vote
1answer
899 views

postfix limit sending rate

hello i have this box centos 5.9 postfix 2.3.3 how i can configure postfix to send 1 message every second no matter what, i try this in main.cf with no success: default_destination_rate_delay = ...
-1
votes
1answer
40 views

Build gcc 4.1.2 from src RPM on a CentOS 5.10 [closed]

I need an advice on how to compile gcc 4.1.2 on a CentOS 5.10. The long story: I've a got a Citrix XenServer Creedence beta 1 up and running OK. It has actually CentOS 5.10 as the dom0. This can be ...
0
votes
1answer
837 views

Under what conditions will sendmail try to immediately resend a message instead of waiting for the standard requeue interval?

CentOS 5.8 | Sendmail 8.14.4 I used to think that if SendMail experienced a temporary (400-class) error during delivery, it would place the message in a deferred queue (e.g. /var/spool/mqueue) and ...
0
votes
1answer
160 views

managing multiple instances in postfix

i have a CENT OS 5.5 64 bit mail server.I want my main postfix mta to relay mails sent or received to multiple postfix instances, the other postfix instances will perform the mail sending and ...
1
vote
1answer
855 views

Sharing port 80 between Zimbra and Apache

I'm using zimbra 6 (6.0.8_GA_2661.RHEL5_20100820051652 CentOS5) on centos 5 server Zimbra is working fine. Now I want to host some file on Apache. I'm referring ...
0
votes
0answers
27 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 ...
-1
votes
1answer
70 views

Postfix - No greeting on telnet command

I'm trying to install Postfix with Dovecot and MySQL on CentOS 5. I'm new to this and I'm struggling on this more than 2 weeks. I followed this instruction ...
0
votes
3answers
591 views

Mysql Errcode: 17 Can't create/write to file '/tmp/…'

Can't create/write to file '/tmp/#sql_77a8_0.MYD' (Errcode: 17) I'm getting this for all softs of select queries. This problem is quite intermittent. Deleting the file fixes the problem but in an ...
3
votes
1answer
58 views

Centos 5 - Using official repository to upgrade manually installed Puppet server

I have Puppet server version 2.6.4 that was manually installed using RPM packages directly (instead of using Yum to fetch packages from a repository). Now I want to upgrade it to the latest version ...
2
votes
1answer
68 views

Bad signatures or NOKEY errors on RPMs I just signed

I'm having serious problems getting RPM signing working for RHEL / CentOS 5 hosts. TL;DR: RPM signing isn't working, and it's working in a variety of insane and erratic ways depending on the exact ...
-4
votes
0answers
57 views

oh my god, I just did accidental rm -rf / in root [duplicate]

I am using centos. I was on remote server via ssh logged in as root and accidentally ran sudo rm -rf / what can I do now. I was not able to get into server. Is all my data gone?
0
votes
3answers
1k 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 ...
3
votes
1answer
7k views

how to uninstall JDK on centos x64 linux based system

I tried installing JDK in my CentOS x64 web server, it looks like I have made a hash of things :(... Now, how do I uninstall JDK 1.6.0_26 in Centos x64 linux? Regards, Arvind.
2
votes
3answers
332 views

CentOS VM, NTP synchronization problems

We have three CentOS 5.9 VMs on an ESX3.5 host. Because of the nature of the services we provide it is required that the NTP time is synchronized and the time is correct on all three of them. ...
0
votes
1answer
52 views

yum update rpm packages installed manually

I needed to install the libxml 2.7 package and for this i uninstalled yum (yum have dependencies on libxml), is there any way I can make the pass to work with yum rpm packages installed previously? I ...
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votes
1answer
27 views

CentOS 5.10 TCP Sequence Number

We have done a security check on a server and its come back with Linux Kernel TCP Sequence Number Generation Security Weakness. We are looking to correct this being flagged up on the check We are ...
1
vote
1answer
101 views

Caching issue with Centos forwarding DNS server

I installed a Forwarding DNS server on Centos 5.10 and it is resolving addresses e.g google.com. When I stopped named (service named stop) and tried to dig (dig @localhost A google.com) there was a ...
8
votes
3answers
286 views

Is it possible to extract last month's values from a MySQL server and build a new database from those values?

I have an assignment to build a development virtual machine template. I need to add to the server MySQL databases from each one my company's products so that new developers will have the ability to ...
0
votes
1answer
77 views

CentOS 5.5 php-posix with dependency error php53-common

I'm having problems installing php-posix. The problem I have, is that I used epel.repo and now I can't work out how to get past this. I'm not great with Redhat & yum. [root@badelivery ~]# yum ...
1
vote
3answers
48 views

Expanding ext3 /usr partition safely with minimal downtime

I have inherited a Centos 5.5 server provided by Softlayer. My /usr partition is filling up, and I can't see any quick wins by deleting cruft. It looks like the sheer number of cpanel accounts is to ...
0
votes
4answers
231 views

Issues installing mongodb on centos 5

I'm trying to install mongodb for my centos 5.1 server via yum. I followed the instructions of creating a .repo file in the yum folder, but it still doesnt work. here's the screenshot of the issue: ...
0
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0answers
72 views

Server A can see B, but B can't see A

I am setting up a network with a CentOS client, a CentOS server and a BIG-IP. The network looks like this: (client) < -- > (BIG-IP) < -- > (server) The client is on a 10.10.20.x ...
0
votes
1answer
315 views

ESX Unix guest & AnywhereUSB [closed]

We got a Nagios (FAN) VM within an ESXi little cluster (4 servers). I have to configure SMS alerts with Nagios, so I have to plug a phone via usb. Problem : I want my usb to be seen even if my VM ...
0
votes
1answer
270 views

Wordpress site has repeated PHP out of memory error despite increasing PHP memory limit and confirming no RLimitMEM

Nearly every 4 minutes, I'm seeing the following out of memory error in the php error log: 01-Jul-2014 21:50:03 UTC] PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to ...
3
votes
6answers
3k views

Lightweight Linux DNS [closed]

Can anyone recommend a lightweight Linux DNS server, which would be suitable for the data center? EDIT: We speak about data-center typically within 10 - 20 servers, up to 100 at maximum. For larger ...
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votes
2answers
46 views

How can I understand a Linux server's role?

I've been given the task to create an excel table which includes all Linux servers in one of our AWS EC2 environments because the main aim is to get all the servers off AWS and migrate them to our ...
0
votes
1answer
149 views

no package ipset available (centos EL5 x86_64)

I want to install ipset, but none of my repos seem to have it when I run yum install ipset [root@ora1 /]# cd /etc/yum.repos.d/ [root@ora1 yum.repos.d]# ls CentOS-Base.repo CentOS-Debuginfo.repo ...
5
votes
3answers
13k views

where is my php installation path

I am using centos and I need to find out where is the php installation path is. Is there a command I can use to find that out. Thanks
2
votes
3answers
718 views

nagios wrongly reports packet loss

Lately, on my nagios 3.2.3 install (CentOS5, monitoring ~ 300 hosts, 1150 services) has sdtarted to occasionally report high packet loss on 50-60 hosts at a time. Problem is it's bogus. Manual runs of ...
3
votes
4answers
3k views

APC (PHP Cache) Uptime 0 minutes, not caching

My goal is to implement APC for opcode cache for a drupal 6 production site. I have so far tested APC with several php files with and without including other php files with include_once. Also tried ...
0
votes
1answer
37 views

Forwarding nameservers

I'm hosting a lot of domains which nameservers are set to ns1.domain1.com and ns2.domain1.com. I have rented a new server which for I have set up ns1.domain2.com and ns2.domain2.com. Is it possible ...
0
votes
2answers
198 views

Install php53 on CentOS 5.10 without httpd dependency

I would like to install php53 on CentOS 5.10 64-bit without the httpd dependency. The reason being the production server has a custom compiled binary of a newer version of httpd. Is installing php53 ...
1
vote
2answers
56 views

Difference between httpd and httpd-devel package on CentOS 5

I'm trying to update PHP 5.1 to 5.3 on CentOS 5.10. On the server, httpd-devel is installed but trying to install php53 on CentOS 5, it wants to install httpd. This is a production server so I need ...
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votes
1answer
104 views

No package rrdtool-perl available

On a CentOS release 5.10 (Final) I am trying to install rrdtool to get RRDs.pm but I have no luck. yum install rrdtool-perl Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * ...
5
votes
3answers
17k views

How do I tell what process is causing kswapd to be in use?

I see kswapd using 100% CPU... how can I tell on which process's behalf kswapd is being used so much?
1
vote
0answers
81 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 ...
13
votes
2answers
28k views

Upgrade CentOS 5.x to CentOS 6.x - tips and techniques

Now that CentOS 6.0 is making its way to the various mirror sites, I wanted to solicit opinions on the upgrade process. In working with the commercial RedHat 5.6 and 6.x distributions for the past few ...
0
votes
2answers
703 views

CentOS 5 - yum update dependency error

I'm trying to run an update on my CentOS VPS. Ultimately what I am try to do is upgrade php53 to php55. However I appear to run in to some dependency issues. Please find below commands and outputs. I ...
1
vote
1answer
238 views

trying to install mongo but getting errors

I am following mongo site (http://docs.mongodb.org/manual/tutorial/install-mongodb-on-red-hat-centos-or-fedora-linux/ ) to install mongo on my centos 5.1o I am getting following errors sudo yum ...
0
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0answers
89 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 # ...
0
votes
1answer
952 views

Client is not able to use Yum Server configured on Server under /home/RPMS file path

I have configured Yum Server on Server 10.0.0.1(Redhat 5.3) All RPMS are here /home/RPMS/Server. Now on another machine i have Centos 5.3 (10.0.0.30).I want to use yum Server of 10.0.0.1 on 10.0.0.3 ...