CentOS stands for Community ENTerprise Operating System, the most popular Linux distribution for web servers with almost 30% of all servers using it. Third-party software is not included in the base.

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Am I using this command correctly? Can't understand why I get the error I am getting. Myqsl - Centos 6

So, I am trying to connect to a database through mysql ssh, but whenever I run the command Connect postfix@127.0.0.1 on postfix It returns with: ERROR 2005 (HY000): Unknown MySQL server host 'on' ...
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2answers
1k views

Is it possible to put UFW on CentOS?

If so, how would I do it? If not, is there an easier way to set some basic rules on CentOS other than iptables? I'm more of an app developer and less of a sys admin.
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21 views

New to Linux, cannot get my internet to connect in VMWare

I installed CentOS today and did a minimal install. I got everything set up and got Gnome installed but I simply cannot connect to the internet. I can ping my loopback address and everything looks ...
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How to see the size of files on apache server?

On a VPS apache CENTOS 6.5 x86_64 virtuozzo – server Server space is disappearing on accounts that are untouched, or should be. I suspect hackers are uploading to the accounts in question. Space is ...
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1answer
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How to give apache ownership rights when creating a new file? [Centos 6]

So, is it possible to make multiple users the owner of a file when created? I mean, I know you can do chown -R apache:permissions /var/www/ (48:500) but that is only temporary because even if I decide ...
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Can I / how can I setup postfix to send mail through an outllook.com account?

What I'm trying to do Allow root- and only root- to send e-mails from an outlook.com address to individual recipients selected from an infrequently updated (once every few months) list via postfix on ...
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2answers
84 views

Is it possible to install CentOS 64-bit on a 32-bit machine?

Is it possible to install CentOS 64-bit on a 32-bit machine? Is it possible? If not, I would like to know why. Please explain.
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1answer
15 views

IPSet with IP6Tables ERROR

Can someone please solve my headache and tell me how to fix this? [root@www xtables]# ip6tables -I INPUT -m set --match-set blacklist6 src -J DROP ip6tables v1.4.7: Couldn't load match ...
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Installing CentOS 6 on Asus M3N78-EM using CentOS software raid / LVM

I have an Asus M3N78-EM motherboard with 3 WD 250GB drives connected to SATA ports 1-3. The BIOS currently is setup to see the drives as AHCI instead of raid due to the controller driver not being ...
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5 views

Redirect external request thru VPN

I'm using Centos 5.4 and I'm trying to use the XMPP outside the company. But, the XMPP only works with the VPN. VPN connects and the XMPP become 10.0.2.49:5222 I tried to use iptables using this: ...
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1answer
21 views

Best way to duplicate Linux system drive

I'm upgrading a Centos server's core system harddrive from an IDE drive to a new SATA drive. The server already has 3 other SATA drives running being used as storage areas. What is the best process ...
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43 views

“screen is terminating” for non-root

When I try to run screen as a non-root user I get: screen [screen is terminating] immediately, though it works fine for root ls -alh /usr/bin/screen -rwxr-sr-x 1 root screen 465K Jun 9 20:30 ...
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359 views

CentOS - Software raid - Kernel not booting - initrd?

Centos 5.9 64 bit on Raid 1 using mdadm. We have been trying for almost 2 days now to get this back going and have exhausted the resources and our minds on it, I would be glad if somone would point ...
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2answers
107 views

Searching for grub configuration file in CentOS 7

Im searching for grub.conf file in CentOS 7. I cant find it with locate(I called updatedb before). Where does it stores? In older versions of CentOS I could find it.
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1answer
183 views

Enable beep in CentOS that installed on virtualbox

I install CentOS 6.4 on virtualbox and I want to use beep, I install beep-1.3-1.el5.rf.i386.rpm but not working. There is any way to enable beep on CentOS that installed on virtualbox?
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1answer
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Virtual Machine with Bridged Adapter to Centos not accepting ssh from host machine

I have a bridged connection on VirtualBox from os/x 10.8.5 host to Centos 5.8 client. But I suspect this is more of a general issue than specific to the host and precise version of linux. Shown ...
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1answer
8 views

Other ways to increase max open files?

I have an application which keeps giving me the following error. tail: inotify cannot be used, reverting to polling: Too many open files I have already followed all the advice I've been able to ...
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1answer
28 views

Opening a port on CentOS server not working externally?

I am trying to to setup a Ghost blog instance on port 80 of my CentOS 6 virtual server. There are no pre-installed web servers occupying port 80. If I run Ghost in production mode as a background ...
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4 views

Install error Opencv, CentOS 6.5 make error

I have followed the instructions from a previous question [question]: Install OpenCV in CentOS and I continue to get the following error. I have tried using cmake28 as well with the same result. make ...
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2answers
2k views

how to install privoxy on centos 6

okay I have googled, but...I am unable to find anything on the net on how to install privoxy on my centos machine. I have tried yum install privoxy, I get: No package privoxy available. I dont know ...
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1answer
18 views

PECL SSH2 Installation issue

I am running this command: sudo pecl install ssh2 It resulting the following log and exit with an error: libssh2 prefix? [autodetect] : building in /var/tmp/pear-build-rootHyRX5L/ssh2-0.12 ...
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3answers
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kernel panic not syncing attempted to kill init pid 1 comm init not tainted — CentOS 6.3

I have a CentOS 6.3 VM running and I got the below error message after I did lvm group rename and rebooting (Selinux running) vgrename vg_name1 vg_name2 reboot The error message is : ...
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1answer
3k views

How to adjust the PKG_CONFIG_PATH environment variable, while running ./configure

I'm running into this error message while trying to install from a tarball configure: error: Package requirements (gtk+-2.0 >= 2.16.0) were not met: No package 'gtk+-2.0' found Consider ...
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1answer
4k views

RHEL5.5 switch to CentOS repositories?

I was given a VM for a RHEL5.5 machine but I do not have a RHN subscription. I get this warning when using yum: bash-3.2$ sudo yum update [sudo] password for streamsadmin: Loaded plugins: rhnplugin, ...
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1answer
13 views

df -h Size - User != Avail

When I run df -h I get the following Filesystem Size Used Avail Use% Mounted on /dev/sda3 809G 753G 14G 99% / But Size - Used is not even close to Avail (809-753 = 56 ...
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White label Nameservers (RDNS): IP and BIND Syntax Questions

Some questions regarding setting a RDNS on a DNS cluster using BIND/WHM/cPanel + WHM DNS Only. Objective Setting up a DNS Cluster of: East US | Xen | CentOS 6.5 | with WHM/cPanel VPS | 2 IPv4 | ...
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1answer
20 views

How do I start Postgres on CentOS 6.5?

Whenever I try to start Postgres, it gives me an error. Even if I remove the directory it complains about, it still fails. [root@ip-172-31-15-65 init.d]# service postgresql start /var/lib/pgsql/data ...
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2answers
4k views

How to access shared folder between CentOS 6 and WinXP under vmware player 4

Based on Sharing Files between CentOS 6 and Windows Systems with Samba I am able to follow until section of "Accessing Samba Shares". however, my system is WinXP and I don't see CentOS 6 icon at all. ...
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1answer
2k views

domain MX record not found while installing Zimbra

I am getting this error: DNS ERROR resolving MX for localhost.localdomain It is suggested that the domain name have an MX record configured in DNS Re-Enter domain name? [Yes] named file: $ttl ...
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2answers
2k views

Creating a USB stick for installing centos 6.x using DVD1 and DVD2 iso files

First, we create 2 partitions on the USB stick that is let's say 16GB. first partition is let's say only 1GB and the second partition is the rest of what is available. after we "w" write the ...
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2answers
5k views

NIS failing on CentOS 6

Solved: See bottom. tl;dr: enable network manager. I'm trying to set up a CentOS6 system to login using NIS. I've set up the NISDOMAIN and for the files like passwd to be on the NIS server in ...
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Using new Python on old CentOS, but only for certain services?

I am using Trac issue tracking system version 0.12 on CentOS 5.8. I am also using Agilo for Trac plugin. This plugin needs Python 2.5 and CentOS 5 comes with Python 2.4. Is it possible to install ...
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3answers
18 views

CentOS- Can't SSH

I recently tried to SSH into my server (an internet linking ham radio node) I just got back on air. I typed ssh root@10.0.1.9 which is my computers address confirmed by ifconfig eth0 Connection ...
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I'm getting 500 server error in when trying to send ajax to codigniter+NGINX in production in ec2

When Im in my local environment when I send with ajax rest post http://localhost:8080/index.php/api/get_user I'm getting an answer from the server (Codeigniter + NGINX). But when I do it with ...
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rails ssl setup on Amazon EC2

Environment Amazon EC2 CentOS Rails 4.0.4 SSL certificates installed Chef My Rails config In my environment .rb (staging.rb and production.rb) I added this config.force_ssl = true Started ...
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3answers
4k views

Why can't I find termcap library when I build gdb?

make and then failed with: configure: error: no termcap library found, but that termcap lib is just there, why can't make find it? checking for library containing zlibVersion... -lz checking zlib.h ...
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1answer
457 views

Making Google Chrome 35 work on CentOS 6.5

I am trying to install Google Chrome 35 on my CentOS 6.5 . After googleing for few hours I found that Google has decided not to support EL 6 release anymore. Due to which I get following error. ...
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3answers
7k views

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

So at first I was getting this error when trying to create databases for use in phpmyadmin. ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) I ...
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4 views

How can I specify what directories my overlay uses on a liveusb?

I'm using a Red Hat system (4.4.7-3) to generate a CentOS live USB/CD. I have figured out how to create an overlay as well as a home overlay; however, I cannot seem to grasp how to change the ...
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13 views

install ImageMagic library to php

When i try to sudo pecl install imagick i get this message: Can't find PHP headers in /usr/include/php The php-devel package is required for use of this command. ERROR: `phpize' failed And sudo ...
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1answer
23 views

How to apply “set number” to vi on root?

I'm using vi on centos 6.5 and added "set number" script to /etc/bashrc in order to look line numbers whenever boot. It works well to show it on user login but not root. How to apply "set number" of ...
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1answer
15 views

shift space from /home to /var in centos

I want to increase the space of /var folder.The output of df -h is [root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_livecd-lv_root ...
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1answer
36 views

Increase space of /var folder in centos

I want to increase the space of /var folder.The output of df -h is [root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_livecd-lv_root 50G 33G ...
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How to rollback to previous settings status on Centos 6.5

I'm beginner on linux and using centos 6.5 on my machine. I tried to install a Graphic driver of NVIDIA GeForce 8600 GT on Centos 6.5 and rebooted. After rebooting, problem occurred. Gnome booting ...
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7answers
28k views

How to Install gcc 4.7.x/4.8.x on CentOS

What would be the easiest way to install gcc 4.7.x/4.8.x on a system with CentOS 6.2+? The default RPM package contains an older version of gcc.
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1answer
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How to Install Python 3.2.2 on CentOS 6.5 amd64 Preserving Its Original Python Installation (2.6.6)?

How to install Python 3.2.2 on CentOS 6.5 AMD64 preserving its original Python installation (2.6.6)?
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1answer
2k views

MySQL ERROR 2002 (HY000) on CentOS 5

I have problem with starting up mysql. When I type service mysql start All I got is ERROR 2002 (HY000): Can't connect to local MySQL server through socket /var/lib/mysql/mysql.sock' (2)** ...
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3answers
4k views

Unable to access the internet in centOS from a static IP

I'm trying to setup a centOS server with a public static IP address but if I try and ping the router (192.168.1.1) I get "Network is unreachable", if I try and ping google.com I get "unknown host ...
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Map network drive to VM Virtualbox with CentOS

I can connect with Putty to my CentOS using the virtual machine's IP address, but I can not map a network drive to the virtual machine from Windows 7 using \\IP\shared_file. I use the VM's IP address, ...
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Installing Zend on CentOS is having dependency issues

I'm trying to install PHP's Zend Server on my CentOS VPS but it's having dependency issues that I can't seem to resolve. zend-server-php-5.2-4.0-73.noarch from Zend_noarch has depsolving problems ...