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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How to restart mouse tracking in X windows?

I'm on a Centos 4 32 bit machine and have connected from my MacBook via VNC to a DISPLAY created with vncserver. All was working well for the past month, then suddenly today, the mouse stopped ...
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2k views

Start vino-server (VNC) before login on Linux CentOS

I'm using the default vino-server package to access my CentOS 6 workstation via VNC. It works ok, but only AFTER I locally login on the workstation. I need to have vino-server start BEFORE the login, ...
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3 views

Unable to get kickstart file from http webserver?

I'm trying to get a vm up using a kickstart file. However, whenever the virtual machine initalize, it says it is unable to located the kickstart file from the location provided. Code to build vm: ...
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from where to download and install mp4split tool in centos [duplicate]

From where I can download mp4split tool. I need to install it in CentOS. What are steps to install it. The link ( http://h264.code-shop.com/download/mp4split-2.2.0.tar.gz ) given on various places to ...
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42 views

Webcam problems on Centos 6.6

I've been unable to get a few different webcams working on CentOS 6.6. (Logitech C270 & Creative Live! Cam Sync HD) I think it's related udev but unsure. The following are my /var/log/Xorg.0.log ...
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7 views

VPN Server with Browser-based Client

I'm looking for an open source VPN server I can run on Linux ( preferably CentOS ) that offers VPN authentication through a the browser. Does such a server exist?
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25 views

Iptables stops the network after a while

I have 3 dedicated servers (same hardware Supermicro X8STi and same bios) with CeontOS 7 Linux 64Bit and I'm having a problem with one of them, with iptables to be precise. When I change the policy ...
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1answer
22 views

Centos 7: what is “dracut” and why is it loading? [on hold]

Something happened to my installation of Centos 7, and now when I boot up the VM, it's loading "dracut". How do I fix this so it loads Centos normally?
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3answers
3k views

iptables syntax to forward remote desktop requests to a virtual machine on CentOS host

I can rdesktop into a VM running Windows XP hosted on my CentOS 5.4 machine from the hosting machine and work just fine using the private address (192.168.122.65), but I now need to allow remote ...
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1answer
21 views

Unable to set up name servers

I've set up a server at my house running cPanel and CentOS. I'm unable to point a domain to the server using nameserver's. I can how ever point it to my server using an A record. I've set up port ...
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1answer
15 views

Switch Server to use GCC version 4.8.1

I'm banging my head against a wall, I followed the instructions detailed here: http://superuser.com/a/677640 When I ran yum install devtoolset-2-gcc-4.8.1 devtoolset-2-gcc-c++-4.8.1 this was the ...
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20 views

Centos my.cfg file is incomplete

I recently got a server which has mysql running and I want to access to it remotely. I searched internet and I find out that my.cfg file in /etc/ location has a property that will enable that: ...
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62 views

install php-fpm on centos after remoe it

i install php-fpm and php-mysql and nginx then i remove it and update servers kernel. now, when i want to install php-fpm ,.. dont install $>uname -a 2.6.32-504.3.3.el6.x86_64 #1 SMP Wed Dec 17 ...
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20 views

browsing apache via vm

I have centos 7 running as a guest on my mac with virtual box. I am trying to browse the apache server from my macs browser but I am just getting web site is not available. I set the network settings ...
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3answers
3k views

Cant get squid proxy to work

i need squid proxy on my centos server. But i just can't get it to work. I did yum install squid. Here is my squid.conf file (i removed all comments): acl all src 0.0.0.0/0.0.0.0 acl manager proto ...
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1answer
178 views

Apache on CWP web panel

I have installed centos web panel on my centos6 server, CWP on my HP Proliant G8 server. I installed it as localhost web server. I put php.info script in public_html folder, and it doesn't work in ...
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28 views

Issue compiling with g++ on CentOS 6.6

I've written a very basic newbie c++ program, and I'm trying to compile it with g++. Here's the program: #include <iostream> using namespace std; int main () { cout << "This is my ...
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2answers
7k views

Version `GLIBCXX_3.4.15' not found in CentOS (in file /usr/lib/libstdc++.so.6)

I try to use a program and I get the following error. /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found Under /usr/lib64 the libstdc++ I see is libstdc++.so.6.0.13 (and a soft link). ...
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14 views

Mount directory through NFS give me “unrecognized mount point”error

I'm trying to mount a external folder using NFS and I added this line to /etc/fstab file: ip_address:/var/www/pdf  /var/www/html/project.dev/web/uploads nfs rw,async,hard,intr 0 0 But any time I ...
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7answers
12k views

Are we suppose to manually delete contents of /tmp?

I was under the impression that /tmp will regularly delete "old" files. Seems to me that /tmp will just grow as long as it wants to and won't delete anything. Some people say it's betetr to just leave ...
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1answer
17 views

CentOS bashrc function to email on login

I've a system setup where an email is sent on a user login (line from .bashrc): printf "user details, ip etc" | mail -s "[LOGIN NOTICE] `hostname` - `whoami`" <admin>@<domain>.co.uk ...
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18 views

How to install hugin on cent os 6.5?

Trying the whole day to run hugin on centos? Thought I could use fedora repos, but I had no success. Anyone experience with that?
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2k views

installing GitLab on CentOS7 failing due to create on resource user

I am trying to install gitlab on a VM under VirtualBox running CentOS 7 I am following the following instructions: https://about.gitlab.com/downloads (for CentOS) I configured gitlab.rb to contain: ...
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58 views

Dual-display with Dell E7440, docking station, and CentOS

Hardware: I have a company-issued laptop (Dell E7440) on which I have installed CentOS 7; 2 Dell monitors which support VGA, DisplayPort, and DVI; and a Dell docking station for the laptop ...
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1answer
34 views

iptables always needs restart

I have a CentOS 7 PC, on which I'm using iptables. I have an Oracle 11gR2 instance on that PC and I need to access is from other PCs in the LAN. My /etc/sysconfig/iptables: # Generated by ...
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5answers
690 views

The clipboard is not shared with PuTTY under CentOS

I'm running CentOS 6 on the local machine and using PuTTY. Selection, copying and pasting text works well inside the PuTTY session. But the clipboard content on the local machine does not change. My ...
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20 views

How to install Imagick on a Centos 6.5 server with DirectAdmin 1.45?

Could someone help us with installing ImageMagick on a Centos 6.5 server? We use DirectAdmin as our control panel with PHP 5.4. We've searched on Google, but most posts with instructions are outdated. ...
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1answer
29 views

Why doesn't the centos devtools repo work on redhat?

I have RedHat 6 installed and would like to use the Centos 6 devtools. I found instructions for using the repo here. I have tested this method on Centos 6 and it worked fine. However, it doesn't ...
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65 views

Execute Virtual Box Shared Folder Mount on Startup on Cent OS 7

I try to execute a mount command on startup in Cent OS 7. With FSTabs it did not work, so I tried the following: Creating the folder vbox-shared-folder-mount.service with the following content: ...
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1answer
5k views

How to upgrade libxml on CentOS

I have a following version of CentOS: $ cat /etc/issue CentOS release 5.5 (Final) Kernel \r on an \m and following version of libxml: $ php -i | grep libxml libxml Version => 2.6.26 libxml ...
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3answers
14k 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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66 views

Windows 8.1 Dual boot Error: cannot find image (/EndEntire)

My dell 7537 laptop had pre-installed Windows 8.1 Pro. I installed CentOS 7 making dual boot with Windows 8.1 Pro by getting /boot/efi from Windows Boot Partition. I can easily access CentOS but ...
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1answer
33 views

Changing linux distro on a dual boot machine(Windows 8.1 and Ubuntu)

I have a Dell Inspiron 15(i5, 8 GB) machine. I have Ubuntu 14.04 and Windows 8.1 both installed in it. I want to migrate to Cent OS 7 from Ubuntu but keeping the Windows installation intact. Is there ...
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2answers
25 views

Is it safe to install own rpm packages on Debian-based distros?

We have multiple servers with Debian, Ubuntu and CentOS. We decided, that we need to be able install our own non-binary and java packages to any of these servers using rpm, because CentOS our primary ...
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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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493 views

Header V3 RSA/SHA1 Signature, key ID c105b9de: BAD

I have a strange problem on Centos 6.6 with rpm. I try to install rpm/srpm and i get this message : rpm -v --checksig glibc-2.12-1.149.el6.src.rpm glibc-2.12-1.149.el6.src.rpm: Entête V3 RSA/SHA1 ...
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2answers
120 views

Automatically start a program (Sphinx searchd) when server is restarted?

When my server (running CENTOS) is restarted I have to manually start searchd for each website I use Sphinx on. It's not hard to do (just copy/paste one line in the terminal for each site), but if I ...
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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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3answers
8k 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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0answers
8 views

How do I recompile Python in VirtualEnv?

I built virtualenv and it adds Python 2.7 by default in it. After reading this solution to a bug I have, it says I have to recompile Python with the option --enable-shared. So should I rm -rf Python ...
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3answers
15k views

Kernel panic after LVM group rename

I have a CentOS 6.3 VM running and I got the error message below after I did lvm group rename and rebooted (SELinux running). vgrename vg_name1 vg_name2 reboot The error message is: Kernel ...
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1answer
77 views

iptables out bound port to remote mysql

Following is my iptables file on my centos, I am unable to open 3306 port to connect to remote mysql server. I dont know what I am doing wrong although it looks fairly simple. When I stop the iptable ...
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1answer
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CentOS Running on my laptop keeps on turning off VGA

I recently built a new desktop so I took apart and recycled my laptop to become a home server. I hooked up a VGA cable to it and put it to a old external monitor I had laying around. I installed ...
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84 views

CentOS 6.6 nVidia driver and CUDA 6.5 are in conflict for system with GTX980

I am installing the CUDA toolkit and nVidia driver on a machine with GTX980s and CentOS 6.6. According to nVidia I need a different CUDA toolkit (6.5-19 instead of 6.5-14) than normally offered on ...
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57 views

CentOS 7 Vagrant VM partially losing network connectivity

I am using a self-built Vagrant base box running a minimal installation of CentOS 7 (I created it following Vagrant's documentation - if you want more information, I outlined the process in an article ...
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1answer
17 views

initctl not finding an upstart service

I have the following upstart config (see below), on Centos 6.5 the file is in /etc/init/prerender-io.conf, the service does not appear with the "sudo initctl list" command also, sudo initctl ...
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1answer
3k 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
35 views

Why can't I view the arp table on my VPS server?

I'm running CentOS Linux release 7.0.1406 on a VPS server. Attempted to use the "arp" command and found it was missing. I tried as root as well to make sure the command wasn't in sbin. Then I googled ...
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3answers
2k views

Which keys to use to copy and paste inside CentOS guest on MAC

Which keys to use to copy and paste inside CentOS guest on MAC. I am using VirtualBox on my MacBook Pro running CentOS 6.5 as a guest... I am trying to copy and paste some text in centOS (the guest) ...
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42 views

[root@localhost /]# touch 1 touch: cannot touch ‘1’: No space left on device

Hi I have read other posts, but somehow unable to figure this out. I cannot create a file anywhere in the filesystem. Here are the output for the various commands. I seem to have enough space, I just ...