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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Root access issue from localhost [closed]

I have a strange root access issue - I'm able to login as root via SSH but I'm not able login to the physical machine via terminal. Some more info: - running CentOS 6.4 - password authentication ...
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1answer
337 views

expand the size of EBS volume in EC2 of AWS (Centos 6.3)

I have a Linux Centos instance with the following volume partitions: / - 5 GB /logs - /2 GB /data - 4 TB (4 volumes, each 1 TB). I would like to add more disk space (3 TB = 3 X 1TB volume) to my ...
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3answers
3k views

chkconfig equivalent for upstart jobs on CentOS6

On RHEL6/CentOS6 what is the upstart way to: chkconfig add my-svc chkconfig my-svc on Explanation: I have written an /etc/init/xvc0.conf job. I can do start xvc0 on the CLI, but after reboot ...
2
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1answer
418 views

1024 connection limit on a single port

I'm running a shoutcast v1 streaming server on a CentOS box. When I start the server as root, I can stream to 1200-1300 clients without a problem. However, when I run the server as a different user ...
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2answers
4k views

Selinux in permissive mode, ssh key based auth and locked account

I noticed something weird regarding ssh key based login and selinux in permissive mode. Let me introduce you the setup: The server is an updated Centos 6.4 x86_64. We create user without a password ...
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1answer
305 views

yum and rpm nothing happens

I am experiencing an odd problem in CentOS 6. when I try to use yum or rpm nothing happens. For example if I type yum update it simply returns to the command prompt. I have checked that yum and ...
2
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2answers
2k views

Determine php script causing MySQL huge load

I'm running a young non-profit organization aiming at providing free and low cost web hosting. Since few days, our server load is around 1.5, sometimes raising to 7. top shows me that MySQL is the ...
5
votes
1answer
634 views

IPSec + L2TP + NAT-Traversal does not work for multiple clients behind same nat

I have recently configured a VPN server hosted in AWS EC2. Details: Centos 6.4, openswan, xl2tpd, NAT-traversal. The configuration works great for a scenario when only one user connects form a given ...
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4answers
130 views

Good pratices to update servers? [closed]

I have many servers running CentOS 5.* and CentOS 6.*, I would like to update them, but there's some applications running and I might crash these applications, which led me to write this post with ...
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1answer
84 views

Centos install in Xen problems

I'm running ubuntu 12.04.1, and I want to install CentOS 5 or 6 using network installation via http. Using xen images from http://mirror.centos.org/centos/5.7/os/x86_64/images/xen/ my config: ...
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1answer
86 views

Whats wrong with my iptables?

Problem I cannot get requests to my server on port 80 to redirect to my client on port 8080 Server I am using a CentOS 6.3 VM as the server, the client is an Arduino Server eth0 - 172.16.145.139 ...
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1answer
4k views

how to change from DHCP to STATIC ip on centos 6 [closed]

I have been trying for months on how to change DHCP to STATIC ip successfully on Centos VM The thing is i am not sure if it is because i am using a virtual machine or if the host bridge network is ...
2
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2answers
15k views

How downgrade PHP 5.5 to 5.4 or 5.3 on centos6

I have server running centos 6, i recently upgraded the php on the server to version 5.5 and noticed that some of the scripts in laravel framework i use are breaking. i get this error Parse error: ...
2
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2answers
7k views

Percona MySQL unable to start - ERROR! The server quit without updating PID file

BACKGROUND: I installed Percona Server on a fresh Centos 6.4 minimal. Prior to this, I have never installed MySQL (though I'm not sure if Centos 6.4 minimal came with MySQL?) Anyway, here are the ...
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0answers
618 views

Centos installation: Anaconda died after receiving signal 7

I want to install CentOS 6, 64-bit on my PC. I'm getting following error in the first stages of installation (right after media check and before starting graphical installation): Anaconda died after ...
2
votes
2answers
3k views

Disable SeLinux permanently

I am running a virtualbox CentOS 6.4 (64 bit) server with Cobbler service. One of the steps is to disable SeLinux in order to prevent a python error when running service cobblers start. If I run ...
1
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1answer
82 views

Redirecting webapps in nginx content folders

I have setup an nginx + php + wordpress site at www.example.com When I go to example.com on my browseer I see my wordpress blog as I expect and can work with it flawlessly, no problem there. But now I ...
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1answer
78 views

Site is not loading since early today

Since early this morning I cannot access my website http://naruto-tv.tv and also using putty I couldn't access the server. However I have other accounts on the server and I can access these websites ...
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2answers
543 views

Centos kdump hangs up

Trying kdump on CentOS 6.3. On VMWare everything is fine and on oops crash kernel is loaded and vmcore created. On phisical machine I see oops message, but crash kernel is not started. I used ...
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1answer
466 views

How to configure Inn2 and nnrpd to authenticate using SSL?

I'm trying to set up a local usenet server, Inn2, with authentication over SSL, so that readers (clients) aren't required to send their passwords in cleartext. I generated a self-signed certificate ...
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1answer
3k views

banning all *azenv.php request to my server

I am using apache 2.2 under centos6, and I'm recently having some kind of accesses that are unwanted, and that I wish to ban. For instance, I have this in my error_log: [Sun Apr 14 01:06:29 2013] ...
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2answers
186 views

What is the lowest udp source port for puppet dns queries?

On CentOS 6.4 and 6.3 I have seen puppet regularly use ports below 32768. This is contrary to the setting for kernel-assigned ports according to: cat /proc/sys/net/ipv4/ip_local_port_range 32768 ...
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4answers
10k views

Python-devel for python 2.7 on CentOS 6.4

Ok, i want to run django web-application on production VPS. Operation system of the VPS is CentOS. Application code written on Python 2.7. I have already installed Python 2.7 with configured virtual ...
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1answer
776 views

centos: packages of different architectures got messed up?

I am trying to install gdal-devel on the following machine: # cat /etc/redhat-release CentOS release 6.3 (Final) # uname -a Linux local 2.6.32-279.1.1.el6.x86_64 #1 SMP Tue Jul 10 13:47:21 UTC ...
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2answers
1k views

yum update entire release but limit to a prior version

We need to update yum update but we want to stay one release back. For example, we have CentOS 6.2 and want to move to 6.3. By default, it looks like yum update will install 6.4. On RedHat, this ...
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2answers
645 views

DNS setup on Centos 6 VPS

I have a domain registered through namecheap.com, and I have 2 nameservers for my domain (ns1, ns2.domain.com). Both nameservers are being pointed to my VPS IP address. I can access my VPS fine ...
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0answers
410 views

CentOS 6 won't load default (new) kernel, loads (another) older one instead

I am having a weird issue with a CentOS 6 system. I have upgraded the kernel twice now and when I reboot the system it still loads the older kernel. I also had a dc tech watch the screen as it ...
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1answer
360 views

PHP include() through HTTP makes Apache time out

I have a problem with ExpressionEngine2 after moving from an old server to WHM/cPanel running on CentOS6.4. Simple test code to reproduce that issue: <?php $protocol = ...
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2answers
584 views

Managing DNS on CentOS 6.4 [closed]

I am a bit new to this and I look ahead to get answers on how I can do this. It is my first challange and I look ahead to get an assistance from anyone out there if they wish to give me a hand. I ...
4
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1answer
1k views

Setup default page for Apache Virtual Hosts

We are running Apache on a server with multiple VirtualHost entries. Whenever someone access the server by it's IP address (http://198.147.xx.xx), one of the websites that is a VirtualHost comes up. ...
2
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1answer
276 views

Where is $HOME set in Centos 6.3

WHere is the $HOME environment variable set in Centos 6.3? I've looked in: /etc/profile /etc/profile.d/* /etc/bashrc ~/.bash_profile ~/.bashrc Also, the second to last column in /etc/passwd has ...
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1answer
3k views

Why can't I connect to my PostgreSQL database?

I'm trying to install tentd-admin. The install fails during this step: $ DATABASE_URL=postgres://localhost/tent_server bundle exec rake db:migrate I also tried this: $ ...
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2answers
567 views

Sphinx searchd dead but subsys locked

I have configured everything on sphinx. It is working fine in the command-line interface using Putty. Even i can able to search in the Command Line Interface as below, [root@phpsalzer sphinx]# search ...
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1answer
356 views

CentOS 6 tftp server default boot menu

Edit: I figured it out. I just had to set permissions on my files properly which was causing problems (did not see how I missed that). Thanks everybody for the suggesstions. I am trying to install a ...
1
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1answer
13k views

Configuring Bind - Error About SOA Record When Starting named Service

It's been entirely too long since I setup a bind server. I've creating a lot of Windows DNS servers lately so I wanted to try my hand at it on CentOS 6. Unfortunately I'm having a slew of trouble ...
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1answer
2k views

Setting up Firewall in CentOS 6.4

I need to ask a general question about installing certain packages and the need to make iptable adjustments in centOS; When I installed the apache package and put a simple test page in /var/www/html, ...
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2answers
7k views

CentOS 6.4 Missing Network Route on boot up after minimal install

I am testing a server configuration using CentOS 6.4. I do a minimal install and in the process of installing choose eth0 to be enabled at boot and enter a static IP address and gateway. When I boot ...
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1answer
2k views

CentOS 6 Unable to Resolve One AD Account

I have a problem that has got me going round in circles. We have 14 Centos 6 AD integrated servers using Samba/Winbind with idmap_ad (security = ads, idmap backend = ad), this setup is running ...
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1answer
640 views

Mono 3.0 not intercepting requests on Apache2/CentOS

I have Mono 3.0.6 up and running on a CentOS 6/Apache 2 setup. I have published an ASP.NET 4.5/MVC4 website on the server. However, when I try to reach the website I get a status code 503 (Service ...
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1answer
2k views

Apache2 doesn't load module mod_mono - CentOS 6

I have compiled and installed Mono 3.0.6, XSP and mod_mono on CentOS, following mostly these instructions. My VHOST is configured as such: <VirtualHost *:80> ServerAdmin ...
1
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1answer
717 views

Squid user password failed to authenticate after upgraded to CentOS 6.4

I setup a squid proxy server on CentOS 6.3, all works fine. Recently I upgraded CentOS to 6.4, now all the squid user password can not pass the authentication. I use basic ncsa_auth scheme, and the ...
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1answer
755 views

CentOS 6 Mono and Apache

EDIT: Added some extra logs at the end I'm trying to make Mono 3.0 work on CentOS 6 with Apache. I have compiled Mono, mod_mono and the XPS server from the source. But now I'm getting errors because ...
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2answers
63 views

How to move from Fedora 3 to Centos 6 [closed]

I am new to Linux but would like to configure a server with Centos 6 to replace a current one running old Fedora Linux Release 3
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5answers
3k views

cannot use any yum command: no space left on device

if i use any yum command, i get Loaded plugins: fastestmirror Traceback (most recent call last): File "/usr/bin/yum", line 29, in <module> yummain.user_main(sys.argv[1:], exit_code=True) ...
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2answers
2k views

How to disconnect pptp client?

How to disconnect pptp client connected to Cent OS 6.2 server from the server side ? ifdown ppp0 doesn't work.
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1answer
525 views

Unable to run libvirt with xen on Centos 6. Fails with ioctl 3166208

As per subject. Xen 4.2.1 libvirt 0.10.2-18.el6 Linux gatto.example.com 3.8.3-1.el6xen.x86_64 #1 SMP Sat Mar 16 15:16:57 EST 2013 x86_64 x86_64 x86_64 GNU/Linux I followed the instructions given ...
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3answers
6k views

Nagios email notification not working on CentOS

I have configured Nagios 3.4.4 on CentOS 6.3 Final. I have also configured Postfix with SMTP email server. I have verified from console that I am able to send email notifications and recieved them on ...
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1answer
325 views

PHP CLI vs MOD_PHP and FASTCGI

I asked my server support team to enable MOD_PHP or FASTCGI for me instead of CGI which is currently active. They told me they can active PHP CLI if I ask. AFAK CLI mean Commend Line Interface, so ...
0
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1answer
322 views

( status=deferred :25: Connection timed out ) issue with Postfix

I have postfix installed on a Centos server with 1 main ip 1.1.1.1 and a range of ips 2.2.2.0/24 The problem is : i can only send mail with the main ip 1.1.1.1, when i change it to another one from ...
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2answers
2k views

How to install Sphinx on CentOS 6 where the DB and App server are separate servers

First what is the best way to install Sphinx on a centOs server rpm -ivh http://sphinxsearch.com/downloads/accept.php?file=sphinx-2.0.6-1.rhel6.x86_64.rpm yum install sphinx didn't seem to work. ...