CentOS is a Linux distribution standing for "Community ENTerprise Operating System" and is a rebuild of "Red Hat Enterprise Linux" (RHEL). The "CentOS6" tag refers to versions 6.x of CentOS.

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4
votes
3answers
972 views

Update from zfs-0.6.2-1.el6.x86_64 to zfs-0.6.3-1.el6.x86_64 has made by zpool unreadable

After running # yum update zfs and restarting my CentOS 6 ZFS on Linux system can no longer see or interact with it's zpools. # zpool status no pools available # zpool import zpool: ...
2
votes
2answers
2k views

centos 6 epel alternative repository replacement

I've installed EPEL repository already on my server. I wanted to install something new and I get this error with yum : PYCURL ERROR 22 - "The requested URL returned error: 403 Forbidden" Trying ...
0
votes
1answer
403 views

Installing ext-libevent, ext-libev, ext-event for php

I installed reactphp on my LAMP environment (CentOS 6.4). After the installation was successful, I got this message: react/react suggests installing ext-libevent (Allows for use of a more performant ...
0
votes
1answer
368 views

Jetty JMX setup for remote access

I am having some issues getting JMX working on Jetty(9.1.3.v20140225), so I have had a read over the Jetty doco on this. So I have added the following to the jetty.conf # ...
0
votes
1answer
108 views

Easiest way to sync only package and dependencies in spacewalk?

From the web UI and the documentation, spacewalk seems to want to download everything in a given repo regardless of relevance, which isn't so bad if you use all / most of the packages within a repo, ...
0
votes
2answers
186 views

How do I uninstall/remove CPAN?

Is there a way to completely remove CPAN from my machine? I tried searching Google for a way to do this, but all of the results are focused around uninstalling the modules.
-1
votes
1answer
124 views

Running PHP in HTML Files on NginxProxy Centos

I have a ngnixproxy server on Centos 6.0. Wordpress and php files are running fine. But I have a static site with an html file with php code in it. The code is not working and the server is ...
0
votes
0answers
130 views

WHM - using SSH, what settings to change to enable login via MYIP:2086 / MYIP:2087

I somehow introduced an error into my setup. All the sites are still displaying properly, and I can access via putty quite nicely. But I cannot access WHM. I had set it to force login via the ...
0
votes
1answer
100 views

Server taking too much time to first load [closed]

I have a VPS server with CentOS 6 purchased from MochaHost. It has WHM/cPanel installed and I have full root access. The websites that are on this server load very slowly but when I use pingdom tools ...
0
votes
1answer
50 views

how to avoid console network error (host is not communicating) when passwd or update?

I am trying to change the root password and update ssl package but the commands passwd or yum update {package} make the console loops endlessly. I have set the buffer to 600 sec. which I am reaching ...
4
votes
3answers
1k views

VMware ESXi CentOS 6.4 kickstart installation

I was trying to do a kickstart installation for CentOS 6.4 but it always show me a warning of re-initializing the HDD as it say may contain invalid partition table or a virtual disk. I have added ...
0
votes
0answers
31 views

CentOS-Like configuration of Vim on Ubuntu

Whenever I use a CentOS System, there's always a pleasant configuration of vim which mainly does the following: Remembering position of closed files Colour mode (!!!) Bash has colours There's lots ...
4
votes
1answer
572 views

Why do I get different openssl versions?

I'm trying to check if I running the latest OpenSSL version, my main concern is the heartbleed bug. I tried 2 commands: openssl version yum info openssl openssl version output OpenSSL ...
0
votes
1answer
1k views

NRPE: “CHECK_NRPE: Error receiving data from daemon.” error in the gui, but the check works from terminal, what could be the cause?

I'm monitoring a few Linux servers using NRPE and most of the checks are working. Actually, the only check which doesn't work is check_disk. Running a remote check_disk from the Nagios server ...
1
vote
2answers
187 views

centos TCP/IP connection very slow

I have a VSP (centos6.1 64bit) with 4gb ram. It always runs well, but in recent few days, the server become slowly. open a small css file need 22 seconds(2kb). tested in home/office/phone with ...
1
vote
1answer
285 views

Apache missing php module

I installed httpd v2.2.15 and php v5.5.13 via yum. I first noticed the problem when I tried to access my site and it displayed the PHP code. Then I discovered that there is no php module in ...
0
votes
2answers
355 views

How long does it take to reboot CentOS 6 server remotely? [closed]

I am renting a dedicated bare metal server running the latest version of CentOS. It's new and I haven't fully configured it. I updated the existing packages and rebooted the machine remotely using # ...
0
votes
0answers
408 views

CentOS 6 KVM Host cannot connect to Internet while VMs can

I've configured a CentOS 6.4 server as a KVM host running multiple VMs. VMs running on this KVM host are fine. The problem is: the host itself cannot connect to the Internet. External addresses ...
0
votes
0answers
452 views

Either, nginx+php-fpm bad config or nginx+php-fpm cannot handle high query?

I have wordpress installed in my server configured(hopefully with nginx+php-fpm+mariaDB). I am trying to import using wordpress importer a 1.5MB xml file. Everytime I try to upload it using the ...
1
vote
1answer
118 views

CentOS 6 DHCP server configuration

I have a CentOS 6 server running on a virtual host. The IP address on this host get assigned through DHCP host and another interface has an static IP ( a test network). I want to setup an private DHCP ...
2
votes
2answers
2k views

can't install mysql-devel on centos 6.5

I need mysql-devel package to be installed on my CentOS 6.5 running Percona 5.5 (already installed & running). When I try to install the devel package like this: yum --enablerepo=remi install ...
-6
votes
1answer
80 views

Cant make includes with any domains [closed]

in the last days i have been experiencing this problem. I cant make php includes to any domains any more. I tried these: include "http://myownsite/page.php"; include "http://yahoo.com"; include ...
1
vote
1answer
2k views

Nginx + PHP-FPM on Centos 6.5 gives me 502 Bad Gateway (fpm error: unable to read what child say: Bad file descriptor)

I am setting up a standard LEMP stack. My current setup is giving me the following error: 502 Bad Gateway This is what is currently installed on my server: Here's the configurations I've ...
0
votes
1answer
81 views

Cannot find NFS server logs on CentOS 6.5

I cannot find the logs for a NFS server on a CentOS 6.5 machine. grep -Rni "nfs" /var/log/messages returns nothing useful. The NFS service is running and I am able to mount the NFS share from most ...
0
votes
0answers
111 views

Glusterfs : 'No route to host' for fstab mount in CentOS

I am using glusterfs, and am using fstab in this way: <IPADDRESS>:/<VOLUMENAME> /some/mount/point glusterfs defaults,_netdev 0 0 but the logs for the mount continue to say the following. ...
0
votes
1answer
1k views

postfix failed to start CentOS 6.5

DISCLAIMER: I am new to CentOS, so please forgive me if I overlooked something simple. Here is my issue: I recently just reformatted my server to CentOS 6.5 x64 and I have been having issues getting ...
0
votes
1answer
468 views

Error compiling PHP 5.5.9 on CentOS 6.5 during make command

Here is the error message: cc: internal compiler error: Killed (program cc1) Please submit a full bug report, with preprocessed source if appropriate. See ...
5
votes
2answers
2k views

Why would Linux VM in vSphere ESXi 5.5 show dramatically increased disk i/o latency?

I'm stumped and I hope someone else will recognize the symptoms of this problem. Hardware: new Dell T110 II, dual-core Pentium G850 2.9 GHz, onboard SATA controller, one new 500 GB 7200 RPM cabled ...
1
vote
1answer
264 views

Specifying a Postfix Instance to send outbound email

I have a CentOS 6.5 server running Postfix 2.6x (the default distribution) with five public IPv4 IPs bound to it. Each IP has DNS and rDNS set separately. Each uses a different hostname at a ...
2
votes
1answer
3k views

install php-mcrypt Centos 6

I'm trying for a few days now to install php-mcrypt on Centos 6 64bit, but I get this error [root@cimpan tmp]# yum install php-mcrypt Loaded plugins: fastestmirror Loading mirror speeds from cached ...
5
votes
6answers
2k views

./kernelupdates 100% cpu usage

I have a CENTOS6 server running with some wordpress & tomcat websites. In the last two days it has been crashing continuously. After investigation we found that kernelupdates binary consuming 100% ...
-4
votes
1answer
83 views

Data Loss after Server Reboot [duplicate]

I have server on 2 ssd disks connected by Raid 1 Today I got 500 internal error on opening website. I have requested server management to reboot the computer. After reboot to my surprise all my ...
1
vote
2answers
1k views

Openssl not getting updated to 1.0.1g in CentOS 6.2

After the heartbleed bug i have updated my openssl to 1.0.1g. But to my shock when today i see my server-status it shows me openssl version 1.0.1e that was vulnerable to Heartbleed. I have upgraded my ...
2
votes
1answer
932 views

Sending logs to remote server with rsyslog

I'm trying to setup centralized logging with Logstash, Elasticsearch and Kibana and am having trouble getting logs to my log server. Logstash is listening on TCP 5000 and is successfully receiving ...
0
votes
1answer
85 views

Centos BIND9 multiple NS with different IPS

I just acquired a Root Server and configured OpenVZ for multiple containers. Each container has a different IP. What I am trying to do is to centralize all DNS related stuff in the main server os ( ...
1
vote
0answers
96 views

Upgrade Raid 1 to Raid 0+1 and bootloader issue

I am trying to convert my current RAID 1 to RAID0+1 and facing issue in installing bootloader - please have a look what i am doing. My current configuration is RAID1(2*10GB): [root@localhost ~]# ...
0
votes
0answers
28 views

NGINX cache mis-behaving causing the system to go into a frenzy

We're using CentOS/nginx fastcgi_cache to cache requests to PHP files on our server. This file gets accessed very often and also updates very often as such it has 1s cache. Usually when looking ...
0
votes
0answers
430 views

Apache bench failing with error “No route to host”

Got a new dedicated box. Installed CentOS 6.5 Installed KVM Installed a CentOS 6.5 guest rsync'd websites/database/settings etc over from existing VPS. Set up "dedi.mydomain.com" in DNS to test it ...
30
votes
6answers
3k views

How to create a symbolic link without using ln?

I deleted a critical symbolic link - libc.so.6. I have the file it should point at, but the basic commands such as ln or wget won't work anymore due to the link missing. However, echo or other Bash ...
9
votes
1answer
4k views

Is installing a GUI on my CentOS server a good idea?

I have a new dedicated server that I'm going to create a couple of VMs on. OS will be CentOS 6.5, for the host and the VMs. Does the GUI on the host (Gnome etc) give any real benefit when it comes ...
0
votes
0answers
65 views

spamassassin not loading DKIM module

I kept noticing SA 3.3.1 giving DKIM invalid even though my webmail system performs an additional check using OpenDKIM that does return valid for some. I ran sa-update -D and got this: module not ...
5
votes
2answers
798 views

How to pass input from one script into another using bash

I am writing a script where I am want to launch the mysql_secure_installation script and provide the appropriate answers at each prompt. I tried using echo like this: echo -e ...
-2
votes
1answer
73 views

Heartbleed - Centos 6.5, Apache - should I recreate pair of default certificate and key [duplicate]

I am using Centos 6.5, Apache 2.2.15 with SSL. Due to heartbleed I have updated openssl to release 16.el6_5.7 and I have restarted the httpd service. I am using default Apache certificate and key: ...
0
votes
0answers
368 views

How to enable core files on CentOS 6

I am trying to enable core files on a machine running CentOS 6; however, nothing I have tried has produced core files…here is what I have done: Added the following two lines to ...
0
votes
0answers
161 views

500,403,404 Errors with Apache2 and ISPconfig 3

I currently have an issue with Apache2 on a Centos 6.4 base with ISPconfig3. Apache by default serves out the directory, /var/www with the FQDN www.example.com and example.com. However, I have a ...
1
vote
1answer
621 views

Yum repo priorities and conflicts

On my CentOS 6.4 server, I am running MySQL 5.5.33 that I installed from the remi repository. I decided to upgrade MySQL to 5.6.x via MySQL's own yum repositories: ...
-4
votes
3answers
184 views

How Do I Install CentOS with Minimum Amount of Packages? [closed]

After running rpm -qa | less there was a result of 234 installed packages. From my experiences with default installations, there are usually applications installed that are not required by the system. ...
0
votes
1answer
49 views

IPtables mail is not working though i allow smtp traffic

I'm working server Centos 6.5. I allowed incoming and outgoing traffic for SMTP as below though i'm unable to sent mail from server if iptables are switch on. My IPtables files rules are as below ...
-2
votes
1answer
47 views

Possible to move a whole OS (including it's content) from one server to another?

I've got a server that I host several websites on. That's basically what the server is for. I've recently acquired a new server and i'd like to move everything over. Since my old server and my new ...
0
votes
1answer
896 views

Cannot set postgres user password

Trying to install PostgreSQL with Ruby on Rails with Nginx on CentOS 6.5 using the following guide: ...