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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63 views

Vinagre (Remote Desktop Viewer for GNOME) isn't working out of box(

I'm trying to use Remote Desktop Viewer to connect to remote server. I opened Remote Desktop Viewer, switched Protocol to RDP then entered my Host and my Username and clicked Connect. gnome-session: ...
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10 views

What is scripts@ in the root directory of a CentOS 6.5 server?

Cleaning up a clients server today and noticing a scripts@in /. What does it do? The server is CentOS 6.5 on CloudLinux kernel. Thanks!
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14 views

Installing packages on multiple centos machines

I have to install standard package like java 1.7 in 40 of my lab machines which are connected over a lan. I know I can simply write a shell script to install something in user space of each system, ...
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1answer
46 views

How to apply only security updates on CentOS?

Ive tried what this article describes: yum install yum-security Next step is yum list-security but the result of this is: Loading mirror speeds from cached hostfile * base: mirror.anl.gov * ...
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30 views

How to install parsoid in CentOS?

I am trying to install VisualEditor extension http://www.mediawiki.org/wiki/Extension:VisualEditor for MediaWiki. A pre-requisite is to install Parsoid service. The instructions for Parsoid ...
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1answer
129 views

nginx 403 Forbidden on CentOS (Vagrant)

What I have checked so far: Logs - they are empty, booted a new VM. Permissions: $ namei -l /var/www/awesome/ f: /var/www/awesome/ dr-xr-xr-x root root / drwxr-xr-x root ...
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1answer
10 views

Release control from init.d script centos

I am using logstash-forwarder and starting it inside its init script with the command: /opt/logstash-forwarder/bin/logstash-forwarder -config=/etc/logstash-forwarder -spool-size 100 This command ...
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1answer
27 views

Centos How to give permission to view folder ?

I push all the local files to Google Compute Engine using gcloud compute copy-files then login to VM using gcloud compute --project and view the uploaded file using ls command it's there .. No ...
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3answers
36 views

using a local version of vim instead of system on CentOS

My school runs centos and a dated version of vim. i want to use a new version of vim so I can have access to stuff I otherwise wouldnt. I built and configured a 7.4.300 version of vim with python, lua ...
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35 views

Kickstart file not being received - rocks cluster

We are setting up a rocks cluster. We have one compute node directly connected via a cat5 ethernet cable. Rocks is installed on our main node, and we are trying to install a compute node. The node is ...
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1answer
76 views

CPanel is warning about inconsistent RPMs for an old MySQL installation — how do I fix this?

I used the CPanel WHM interface to move MySQL from v5.0 to 5.6 earlier this week. Last night I got an email from my system that claims there are now problems with older MySQL RPMs. The email said: ...
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1answer
136 views

VMWare Fusion samba share very slow in a CentOS on a Yosemite host

I bought a new iMac, installed the latest version of VMWare, copied over all my data, including a CentOS 6.5 vm, and when I connect to it via samba, it's absolutely insanely slow. I mean like 20-60 ...
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147 views

CentOS 7 on VirtualBox Using 100% CPU

I have CentOS 7 installed as a guest in a VirtualBox 4.3.18 virtual machine, with the latest guest additions installed too. The host operating system is OS X Yosemite running on my 2014 MacBook Pro ...
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1answer
49 views

rpm signing error rpmMkTemp failed

I'm running into this error when signing an rpm file. I've not got a whole lot to go on as you can see, and google seems to have come up empty. I'm stumped ! Does anyone know what causes it ? I'm ...
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17 views

Disabling Mod SuExec

hello i have installed kloxo latest on centos 5.10 in one of my sites i want to use cgi scripts i give permission (0755) to cgi scripts ... and edited httpd.conf commented this line : ...
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1answer
44 views

How to install pktstat on centos7?

I am trying to install a package called netstat but I can't, I tried downloading and installing rpm file, but it was no use I tried making repos but I don't know if I am doing it the right way. Any ...
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2answers
53 views

Restarting process in CentOS if server restarts

I have a VPS with some Java applications (made with "Play Framework") running on ports 9000, 9001, 9002 and 9003. VPS Provider (iPage) happens to reboot servers unexpectedly from time to time, leaving ...
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15 views

Set working directory to launch application at startup on CentOS via rc.local

I want to launch java application at startup on CentOS 6.4. I add string like the following java -jar /path/to/my.jar -options into /etc/rc.d/rc.local as I read Running Additional Programs at Boot ...
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118 views

CentOS 7 can't get IPv4 address from DHCP server

I have classroom full of computer running CentOS 7 and only one computer can't get IPv4 address from DHCP server during boot, because NIC is not yet up, when dhcp client tries to get IPv4 address from ...
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0answers
19 views

save alsamixer input source centos 6

I am not able to save the input source of my alsamixer. Every time I reboot the system the input source is set back to front mic. I want it to stay as rear mic. I tried alsactl store I disabled ...
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1answer
50 views

echo “something” > file not working when sh script is being executed by remote PHP server

I've got a web-server with my hardcoded webpanel for Source server management and I've got my VPS on CentOS which doesn't really want to execute sh script when asked from remote server. Web-server ...
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33 views

Postfix on CentOS - Cannot receive emails

I'm trying with no success to setup Postfix on my server so I need some help (first timer here). Basically I cannot receive emails from anywhere. If I send an email to myself or to another address ...
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1answer
321 views

Launcher missing in CentOS 7 Gnome Desktop

I installed Cent OS 7 in VMware Workstation by selecting Gnome Desktop option. I don't see the "Create Launcher" and all other options which I used to get in Cent OS 6.5 Did I install incorrect ...
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98 views

quotas on Cent OS 7

I have been trying to set up quotas on Cent OS 7 I have followed the instructions here https://www.centos.org/docs/5/html/Deployment_Guide-en-US/ch-disk-quotas.html#s1-disk-quotas-configuring but ...
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1answer
35 views

Registration with the server failed while configuring Amabri on CentoS 7

I am working on CentOs 7 and I have built ambari server from source by cahanging all python 2.6 yo 2.7 I could built them sucessfully except shell. When I am trying to configure server at step 3. ...
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55 views

CentOS 7 and X11R6 Installation

OK so I know just enough about Linux to make me dangerous. As exemplified here: I need CentOS 7 for some newer tools I use, but I also require the use of some older tools. These older tools need ...
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81 views

Can't receive mail, but can send mail? Centos 6 Postfix/Dovecot

I followed this tutorial to setup my webmail on centos 6: https://www.rosehosting.com/blog/mailserver-with-virtual-users-and-domains-using-postfix-and-dovecot-on-a-centos-6-vps/ Everything is setup ...
1
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1answer
39 views

Nginx slow downloads even with low disk io

I run a small video streaming website and i've been noticing some problems with videos on my site. I have multiple 1gbit servers and the servers are only going at 1/4 port speed. When I try to load ...
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2answers
50 views

Update-rc.d equivalent on CentOS

I'm trying to get rid of a nasty rootkit on a centOS machine, and I need to remove the starttup scripts from various rcX.d files : The command I'm looking for is an equivalent of the debian: ...
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1answer
34 views

Why does ssh/sshd on server try to access /home/<user>/.ssh after I moved my users home directory?

I moved my users home directory with usermod -m -d /path/to/new/home/username which seems to have worked fine. However, in my [moved] home directory I have the ".ssh" folder that is set up to allow ...
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1answer
44 views

How to create/edit files for a nologin user in RHEL/CentOS?

I have a user defined like so: sudo useradd -m -s /sbin/nologin foo It is not meant to be logged into but it is meant to serve a web application. However, if I try to do anything inside the ...
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1answer
48 views

How to format a vps.

I have a VPS bought from digital ocean, and I would like to have it formatted to its default state. However, Digital Ocean provides the option to only "destory" the VPS. Meaning, I would even loos the ...
2
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1answer
91 views

Unable to Create Files In Directory

There are lot of these kinds of questions on superuser, so I'll try and keep this quick by telling you what it's not: There is no application involved here. Just a user and a filesystem. I can login ...
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0answers
64 views

How do I enable taskbar scrolling in Gnome 3 (Centos 7)?

Since last 3-4 years, I have been using Centos 6.x with Gnome 2 that has feature of cycling through windows by scrolling over the taskbar. Recently, I upgraded to Centos 7 that came up with Gnome 3. ...
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1answer
50 views

bash create command not found on CentOS 6.5

I am not able to create a database. I get a bash create command not found error on entering fir example: create database rattic; please help CentOS version 6.5
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1answer
20 views

How do i find where my apache2 is installed in my centos server?

What methods can I use to find where my apache2 is installed on my centos server? btw, i have cpanel installed. I want to edit my sites-available entries and point one of my domains to another ...
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0answers
44 views

How to access the graphical interface of CentOS 7

I'm new on CentOS, I will be thankful with a little help. Going to point. I did the installation of CentOS 7, the installation process had the intent to put this OS side-by-side with Windows 8, a dual ...
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2answers
308 views

Can't find denyhosts in epel 5,6,7 on CentOS 7 x64

So I wish to install denyhosts, installed and enabled the epel repository, but yum install denyhosts still can't find it. I have to notice that I managed to do it on CentOS 6.4 the same easy way, but ...
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60 views

Why doesn't CentOS 6.5 emacs RPM get libotf correctly?

I'm aware that there was a problem with the Red Hat 6 RPM for emacs such that one of its dependencies (libotf) appeared to be satisfied by Open MPI, but it couldn't use the library (see Red Hat bug ...
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1answer
43 views

CentOS : Removed /root

I have been doing experiments with CentOS and now I am in a situation. I have added an user by mentioning his home directory as /root and then I did userdel -rf <username> So its does the ...
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0answers
53 views

CentOS 6.3 and GNOME 3 (gnome-shell) installation from repository

Is there any possibility to install GNOME 3 (gnome-shell) from repository on CentOS 6.3, e.g. does some extra repository with GNOME 3 exist? I've read the thread about installing GNOME 3 on CentOS ...
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2answers
71 views

Add a file to /etc/yum.repos.d to install Oracle JDK 1.6.0-45 from yum?

I have a fresh RedHat 6.5 virtual machine on Amazon Web Services (EC2), its repos look like this currently: [root@ip-172-31-11-112 tmp]# ls -1 /etc/yum.repos.d/ redhat-rhui-client-config.repo ...
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0answers
30 views

VLAN : machine can't access gateway

I have a VM on centos 6.3 used as a router/firewall with several VLANs. Here is my eth configuration file with a VLAN configuration : eth1 is setup with a public ip. eth3: DEVICE=eth3 ...
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46 views

What's the official way of programmatically changing the GDM login background?

I want to change the background of the GDM login screen on CentOS 6.5 and 7 to bring it in line with other branded systems, and so I have an RPM that delivers a background image into ...
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0answers
23 views

ProFTPD Config not working [LIMIT]

Morning All, I have a user called 'ftp' I want them to be able to move files into basically an 'Archive' directory - create files etc, but NOT delete files in the config I have: <Directory ...
0
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1answer
89 views

CentOS Ruby Install - Open SSL Issue

Attempting to install ruby 2.1.2 on a centos 7 box, but running into a dependency issue with openssl ~ % ruby-install ruby ...blah blah blah... ---> Package openssl-devel.x86_64 1:1.0.1e-34.el7 ...
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2answers
30 views

What does it mean to “do an updatedb” on Linux CentOS

It says: And then do an updatedb and locate php.spec. at http://www.howtoforge.com/installing_php_mssql_centos5.0 But what does it actually mean to "do an updatedb"?
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1answer
222 views

gcc error Python.h: No such file or directory

I have python-dev (or, as I'm on Centos, python-devel) already installed. sudo yum install mysql mysql-devel mysql-libs sudo yum install python-devel sudo yum install MySQL-python How come this ...
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1answer
87 views

Unable to read package metadata on Centos 6 PXE install

A Centos6 pxe install is not running correctly due to error: Unable to read package metadata. Cannot retrieve repository metadata (repomd.xml) for repository: Centos6-os. However from examining the ...
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0answers
91 views

Transaction check error on Yum Update

I can't figure out how to fix this. I get the following error when running a yum update command: Transaction Check Error: file /usr/lib64/nagios/plugins/check_dhcp conflicts between attempted ...