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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The requested URL was not found on this server

Wordress + Centos 6. SO, permalink structure works just fine on the wordpress default perma links, but when I switch over to postname, I get the 404 error. My .htaccess: <IfModule ...
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20 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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10 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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6 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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11 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
33 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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11 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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50 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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10 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
23 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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21 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
62 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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31 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
15 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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22 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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43 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 ...
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0answers
20 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
25 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
27 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
34 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
33 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
87 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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30 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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24 views

Disk Partitioning Advice [on hold]

I am responsible for installing CentOS 7 on a powerful workstation for a lab. I was hoping to get some advice on how to best partition it. Here are some notes that may be important... ~12 Users, 2TB ...
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1answer
38 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
19 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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30 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
107 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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26 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
41 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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43 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
45 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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23 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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22 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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18 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 ...
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1answer
68 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
22 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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59 views

Can't access MySQL command line after yum update Centos

I need help I just run yum update on my centos 6.5 still not Reboot system and i can't login by command mysql [root@localhost]# mysql mysql: relocation error: mysql: symbol strmov, version ...
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1answer
70 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
49 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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38 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 ...
5
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2answers
418 views

How many drives do I have?

This is the first time I ordered a dedicated server with 3 HDDs and I am quite confused. My limited knowledge tells me that /dev/sda /dev/sdb /dev/sdc are the 3 drives that I actually have. But, ...
0
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1answer
84 views

With Centos 7 as a Virtualbox guest on a Mac Host, how can I change the screen resolution of the console / command line?

I am using the minimum install of CentOS 7 with command line access only (no graphic support installed). After spending hours reading online about editing grub files, installing guest additions, and ...
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22 views

Ping “requested timed out” when pinging one box to other in hypervisior internal network

I am running a windows 7 box and centos box on hypervisior connected to a hyperV switch with internal network configuration. The subnet for them is 192.168.0.0/24 . The windows 7 has another nic ...
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1answer
23 views

Replace local host file modification with remote. Proxy server or something else?

I need to find a solution for a problem described below (both servers running CentOS 6) My goal is to have visible website to the public where a client will type own domain name mydomain.com and then ...
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37 views

CENTOS 7 File Browser missing tree and settings

OS: CENTOS 7 with GNOME 3 GUI CENTOS 6.5 offered a File Explorer applet that allowed for the ability to save settings (make list view the default, and save tree view as opposed to Places.). I do not ...
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45 views

centos 7: control idle (screen blanking) time?

OS: CENTOS 7 / Gnome 3 GUI How do I the time that must elapse until the OS thinks that the computer is idle and blanks out the screen? I am aware of the new Settings | Privacy | Screen Lock feature, ...
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1answer
98 views

kernel source error on dahdi installation in centos

Trying to install dahdi from the link. I have downloaded package for dahdi. But on doing cd /usr/src/dahdi-linux-complete* make && make install && make config My terminal shows ...
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25 views

How to connect to VirtualBox CentOS VM via FTP?

I am wondering how I can connect to my virtual centos server in VirtualBox VIA FTP so that I can upload and grab files. I dont really want to setup shared folders. Thanks
2
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1answer
1k views

CentOS 7 DVD ISO vs Everything ISO different [closed]

What is different between CentOS 7 DVD ISO and Everything ISO in http://centos.org/download/ ? CentOS 7 DVD ISO 3.86 GB Everything ISO 6.58 GB