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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1answer
13 views

How I can change all symlink to the new path

Please, I want to change the symlink to the new path My symlink's in this form lrwxrwxrwx. 1 s01 s01 56 Mar 22 13:17 zmjppcxlpq2m.png -> /home/s01/public_html/cgi-bin/uploads/00029/zmjppcxlpq2m ...
3
votes
1answer
56 views

What is fastest way to copy a sparse file? What method results in the smallest file?

BACKGROUND: I'm copying a sparse qcow2 VM image that is 200GB in size, but has 16GB of allocated blocks. I've tried various methods to copy this sparse file within the same server and have some ...
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3answers
2k views

Varnish won't start as service but works fine from command line?

We're trying to setup a varnish on a Cent OS 6.5 64 but can't get it working as a service. What could be the reason for the following error? [root@server]# service varnish start Starting Varnish ...
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3answers
979 views

CentOS https Error Upon Start

I am getting an error in CentOS when trying to start/restart apache(httpd): [root@database ~]# /etc/init.d/httpd restart Stopping httpd: [FAILED] Starting ...
2
votes
2answers
69 views

Linux: sssd cache not being cleaned upon server reboot, what could be the cause and how can it be changed?

I'm using sssd in order to work with LDAP users and groups within our Linux environment. I had to rename the LDAP group of one of my Linux users and I noticed that after I finished editing the group, ...
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votes
0answers
16 views

Cannot work with opsi server [on hold]

I have installed the Opsi-server in centos by following this http://download.uib.de/opsi_stable/doc/opsi-getting-started-stable-en.pdf.The opsi server was installed successfully and the server GUI is ...
0
votes
0answers
45 views

yum remove package freeze while erasing

I'm using CentOS 6.5 on a server. Some time ago, I installed from a third-party repository Newscoop CMS. Now I'm not able to remove it. yum remove newscoop Freeze at the "erasing" point, shutting ...
2
votes
1answer
16 views

Is there anyway to use rsa certificate authentication with imapsync

We have an off-site warm standby backup host that I wish to periodically synchronise our imap server with using imapsync. I would like to know if it is possible to use RSA certificate authentication ...
-3
votes
1answer
50 views

DNS is not pointing [on hold]

Let me clear scenario first 1)I purchased static IP from network provider and his name server is INPUDIIDNSPRPRD01.TATACOMMUNICATIONS.COM and INCHVSIDNSSEPRD01.TATACOMMUNICATIONS.COM 2)Then I just ...
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votes
1answer
2k views

CentOS Dovecot Permission Denied

I have a dovecot mail server setup with Virtualmin, and for some reason, out of the blue, yesterday, the mail server stopped working. I found that in the /var/log/maillog file, I have the following ...
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votes
2answers
76 views

Why can my servers not access their own addresses? [duplicate]

I have two VMs on CentOS 6.5, running Plesk 12, and the webserver is Apache 2.2. One is a clone of the other, and I inherited them setup by someone else. My problem is that I can access my sites ...
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0answers
25 views

My webhost has put my CentOS6 dedicated box in “rescue mode”, after a “minimum grub boot” (their words) [on hold]

...and I frankly have no idea where to start. I've run my own boxes for a couple of years, but this is beyond my skill level. I've had the box a few months just as a backup server. I logged in and ...
0
votes
2answers
3k views

PHP no longer working on Centos after installing phpMyAdmin

I think I have killed my LAMP server! The server is CentOS 6.6 and has Apache 2.2 and PHP 5.4 installed. I didn't originally install anything - it was provisioned this way by my hosting provider. ...
0
votes
1answer
451 views

centos 6.3 increase disk size on /

I have a VM running CentOS 6.3. LVM is not installed. From the VM side, I have increased the underlying disk from 15GB to 40GB, so I now need to expand the partition and file system. I've managed to ...
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0answers
13 views

What is the default httpd config for Icinga2 on CentOS6? [closed]

The install instructions for Icinga2 do not give you a sample config file. I'm not using name-based or IP-based virtualhosts yet, this is just a VM I spun up for testing. I'm had assumed that ...
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2answers
39 views

Why am i getting execute binary file error?

Hi all i am getting following email every 10 min. as I own the VPS. I am not expert in linux and am learning to manage linux servers. Please help me why am i getting these emails and how to stop them ...
19
votes
4answers
34k views

How do I change timezone in centos 6.2?

Here is the output of my date command: [root@r1304 ~]# date Wed Apr 18 15:43:28 GST 2012 I want to change the default system timezone to Asia/Dubai. I've followed a tutorial and did this: ln -sf ...
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votes
0answers
52 views

What Is Using All The Partition Space On dev/md1 [duplicate]

My CentOS 6 dedicated server (CentOS release 6.6 (Final)) keeps running out of space on the dev/md1 partition. The server is running Plesk 12.0.18. Here's the structure: $ df -h Filesystem ...
0
votes
1answer
885 views

lighttpd virtual hosting configuration

I need help setting up virtual hosting in lighttpd. i have the lighttpd default webpage in /var/www/lighttpd dir and i have created other dirs for my other websites /var/www/web1.com/public_html and ...
-1
votes
1answer
31 views

How do I read /var/log/lastlog [closed]

This is a 30GB file, I tried to open it in VIM It does not show anything, How can I see contents of this file This is CentOS 6.5
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0answers
31 views

Wait Time (TTFB) Difference Between Apache and IIS 8.5 [duplicate]

I have a system which runs on PHP and MySQL. I know that there is a performance difference between WinServer 2012R2 IIS8.5 vs Centos 6.5 LAMP when using PHP&MySQL based structures. But the ...
0
votes
1answer
95 views

Installing Redis on CentOS 6.6 , yum keeps using redis-2.8.14-2.el7.x86_64 (EL7) instead of EL6

Im trying to install redis on one of my servers. but i keep getting Error: Package: redis-2.8.14-2.el7.x86_64 (epel) Requires: systemd This is due to the fact that its trying to download ...
1
vote
1answer
87 views

xz compression not available - yum error on centos [on hold]

I want to update my php to new version. Dealing with this source: https://webtatic.com/packages/php56/#comment-139854 And now I can't use yum commands. Anytime when I'm trying install something or ...
1
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2answers
2k views

Resize Windows 7 Guest virtualised under KVM on Centos 6

I created a windows 7 virtual machine on Centos 6 running the following: virt-install --name=W7VIRT64 --ram=768 --disk path=/var/lib/libvirt/images/guest1-win7-32,size=8 --vnc --network ...
1
vote
1answer
20 views

sFTP users permissions to overwrite/edit over root owned files

This is related to Give SFTP users and Apache write permissions on same folders So, I am using ACLs to give write permissions over /var/www. It works perfectly when developer login users upload new ...
1
vote
3answers
1k views

CentOs vhost shows default apache page [closed]

I'm using CentOs 6.2. On this server I want to host 1 website. I created a vhost in httpd.conf. You can see the setup below. The problem is that when I go to the domain I get the apache default ...
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2answers
14k views

Can't ping or reach external IP or domain on CentOS 6.3?

I have installed fresh CentOS 6.3 on my machine. Internet is not working at all. How ever I can ping my router and other computers connected on LAN. I've googled and searched various forums but all in ...
0
votes
1answer
1k views

Compiling PHP on CentOS Needs MySQL PDO Configured

I am trying to compile PHP with mysql_pdo on CentOS 6 and I am having just one heck of a time trying to make it happen. Currently I am trying to compile PHP 5.2, but I am going to have to do this for ...
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votes
1answer
56 views

how can I understand if IMagick is installed? [closed]

I install Imagick according this tutorial: http://www.imagemagick.org/script/install-source.php#unix I used this code: function alist ($array) { //This function prints a text array as an html list. ...
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votes
1answer
30 views

Apache SSL works but the config shows it's only listening on 80 not 443, how is it possible?

Server: CentOS 6, Apache 2.2 and OpenVPN installed. The httpd.conf has: #Listen 443 Listen 80 Websites work in https so I think OpenVPN might be listening on 443 and forwarding to Apache ...
1
vote
1answer
939 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: ...
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0answers
13 views

Which kernel parameters should be adjusted to fix RX overruns?

I have a Centos 6 server that handles a lot of traffic. I see RX overruns increasing all the time: RX packets:11191345002 errors:0 dropped:0 overruns:35592596 frame:0 TX packets:15262461573 errors:0 ...
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0answers
24 views

How do I get auditd to push messages to a remote syslog server on Centos 6.6?

I'm a Windows guy trying to help a friend out. We need to get file auditing data off the Centos 6.6 server to a central syslog server. I found the auditd service and the audisp plugin. I edited the ...
2
votes
2answers
2k views

CentOS yum *.rpm package changelog (not installation changelog)

I just logged into my new rented server and updated openssl because of the heartbleed-bug (http://heartbleed.com). I updated using yum list openssl ... Installed Packages openssl.x86_64 ...
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0answers
20 views

What problems arise if user-space drbd is older than the kernel module?

Since more than five years I am using XEN in a productive environment. My constellation: SLES11 (included: OpenSource XEN 4.x), DRBD 8.3 in primary/secondary mode. Now I would have loved to go away ...
1
vote
1answer
52 views

Nginx + Apache server crash every 6 days [closed]

I'm a web developer and I am having a very nasty problem with one of the websites I'm working on and I was hoping somebody here may be able to help me. The website is running on a dedicated server ...
0
votes
1answer
59 views

Asterisk Firewall access Rules

I have a questions regarding the firewall rules for Asterisk VoIP server. I have a restricted access to UDP/TCP port 5060, which seems to be blocking calls. I want to make sure that my VoIP Server ...
0
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0answers
23 views

Troubleshooting high load average

We have a cluster of Centos 6.5 servers that run Java on them. These servers connect to a cluster of MongoDBs quite frequently. On the Java cluster, we are seeing high load averages but CPU ...
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votes
1answer
390 views

Redis installation on centos 6.5

I am trying to install Redis on centos 6.5 (x64) with following line: yum install redis But I am getting following screen: [root@NodeJs ~]# yum install redis Loaded plugins: fastestmirror Setting ...
0
votes
1answer
857 views

httpd Server slows down, Then Goes unresponsive [closed]

Well, I recently switched over to Centos 6 from Windows, and Installed httpd php ispconfig 3, and mail server stuff. But after some hours (around 5-8), The server gets slow, and the websites does not ...
2
votes
1answer
3k views

Centos 6 Mail Server / Can't receive e-mails but can send [closed]

I recently set up my server using Centos 6, with ISPconfig 3 with httpd, php, mysql, mail server. I can create e-mail accounts in the control panel, And I successfully can log in to the webmail, I ...
0
votes
1answer
536 views

CentOS with ISPConfig3 not resolving [closed]

I have recently setup a Centos 6.3 VPS running ISPConfig3 and Webmin with Nginx as the web server and BIND as the DNS server. This is the first time I've tinkered with ISPConfig, Webmin and Nginx. I ...
8
votes
4answers
13k views

ls hangs for a certain directory

There is a particular directory (/var/www), that when I run ls (with or without some options), the command hangs and never completes. There is only about 10-15 files and directories in /var/www. ...
2
votes
2answers
981 views

Apache Test page shown instead of ISPCofig [closed]

I'm new to ISPConfig and I used website tutorial to setup. I have installed ISPConfig 3 on a vmware VM with CentOS 6.3. I use static IP for guest OS. After installing ISPConfig 3, I went to host OS ...
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votes
0answers
7 views

Starting qmail-toaster: svscansvscan: warning: unable to read directory: access denied

I got such message when trying to start qmail-toaster: Starting qmail-toaster: svscansvscan: warning: unable to read directory: access denied All permissions are correct. drwxr-sr-x. 2 alias ...
0
votes
1answer
43 views

grubby fatal error: unable to find a suitable template

I'm trying to fix my system after moving it from one server to another. It works perfectly with kernel booted via network, but not from the disk. Reinstalling stock CentOS 6.6 kernel shows this ...
0
votes
1answer
13 views

How to configure the niceness or priority of service started on boot

I want to increase the niceness of an service (decrease the CPU priority) started as an dedicated user or group during the boot process. I'm not able to define the niceness or priority in the ...
0
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0answers
63 views

IPSec tunnel between Cisco and openswan

We need to setup a site to site vpn connection and Our provider use Cisco system and we are planing to use openswan on centos (hosted on digitalocean). Our provider asking us following information. ...
0
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1answer
554 views

DNS setup with BIND [closed]

I've recently made a server (it's a VPS hosted on a2hosting) by following these instructions: http://www.howtoforge.com/perfect-server-centos-6.0-x86_64-ispconfig-3 All is working well, except for ...
13
votes
3answers
15k views

EPEL Repo for CentOS 6 causing error

I've got a VM running CentOS 6 (64bit) and I'm attempting to add the EPEL repo like usual to install various packages as I do quite regularly. Today, I'm experiencing some strange errors yet I'm ...