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 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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61 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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1k 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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155 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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54 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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154 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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160 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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46 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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102 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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27 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
147 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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67 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
870 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
303 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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144 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 ...
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2answers
427 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, ...
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1answer
1k 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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62 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
43 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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259 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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531 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
1k 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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78 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
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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
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943 views

Add windows partition to grub2 boot loader in centos 7

I had windows 7 installed on my laptop. Then I installed centos7. Installation completed successfully, but when I reboot I can see only centos and centos recovery. I did not see windows partition. ...
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114 views

Router cannot separate ip addresses on the same NIC (Vmware)

Here is the scenario of my problem. My network topology: I have an ISP Router Technicolor TG797n v3 and i have a wireless access point set to be a client mode and connected to my PC via Ethernet so ...
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1answer
203 views

GRUB 1.99 CentOS 7

I just added CentOS 7 to an existing Ubuntu system (using GRUB 1.99). When I do a grub-mkconfig -o /boot/grub/grub.cfg, it detects the CentOS, and adds two entries (one looks like normal, one like ...
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1answer
92 views

VirtualBox “Bridged Adapter” network doesn't show up in VM

ong story short, I'm trying to re-route information from an Android tablet into a CentOS VM on my Windows 7 host. I've set my Virtual Box manager to have two "Network" adapters (in Settings): ...
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71 views

I'm having an issue with all postfix mail being rejected with “relay access denied” - Centos 6.5, postfix 2.6.6

If I use smtpd_recipient_restrictions, everything gets rejected with "relay access denied". If I use smtpd_relay_restrictions, everything gets through and ignores the whitelist. Not sure what's up; ...
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1answer
137 views

Install tuleap on amazon ec2 linux AMI

I'd like to know if it's possible to install tuleap on amazon ec2 linux ami. I searched the net unsuccessfully and when I try to install tuleap with yum, I get conflict errors (with httpd24, ...
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69 views

If my firewall is switched off,what else could be blocking access to mysql?

I want to have remote access to my mysql server but when i telnet my server from my computer i get this C:\Users\USER>telnet 197.000.0.00 3306 Connecting To 197.000.0.00...Could not open ...
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9 views

CentOS 5.5 Hibernation issue

I use CentOS 5.5 on lenovo Desktop. The issue is it goes into hibernation even if I set the Power Options to never go into hibernation. This is very annoying. I don't want my machine to go to ...
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39 views

Mysql listens to all yet remote connections not possible

I am running this command on Centos netstat -an|grep 3306 | grep LISTEN and it gives me tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN yet when I try to connect to ...
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96 views

Cannot start any virtual machine from VM Player

I am using a Desktop PC with Windows 7 as Operating system. I am using VM PLayer to run a CentOS for me. I am going to use CentOS to setup an Asterisk environment for me so I can conduct studies on ...
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1answer
24 views

Why isn't apache following my symbolic links?

I need to link to a directory from /var/www/html to a directory within the home directory of a non-su user. The operating is CENTos, the server is apache. The config file for the directory is ...
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2answers
139 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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49 views

rm -rf * results in “Killed”

I used PHP to generate about 4,000,000 files in a directory (f/) because I was bored. When I cd .. and use rm -rf f, it simply returns "Killed" about half a second later and does not delete the ...
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725 views

CentOS. Set environment variable permanently

I used a following commmand in SSH terminal on my server: export LD_LIBRARY_PATH=/lib:/usr/lib:/usr/local/lib and it works fine: my program finds all libraries at this point (if I launch it from my ...
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1answer
1k views

iptables not starting on CentOS 6

I am running CentOS release 6.5 (Final) and cannot figure out why my iptables is not starting. I may have executed some other command to permanently prevent the start up of iptables; I do not ...
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10 views

LINUX: Audio over DVI through a Geforce 295 GTX

I just installed CentOS7 on a frankenserver I made and I can't get audio over DVI. I have used this exact cable/hdmi-dvi-adapter/tv setup on my windows computer with a Geforce 480 gtx and it worked ...
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1answer
236 views

Play mp3 sound files in asterisk

I have installed asterisk on my centos system but asterisk only supports wav,gsm but not mp3 .how can i play mp3 sound file in asterisk I have searched a bit and found that to play mp3 we have to ...
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4answers
109 views

IPtables keeps resetting rules and blocking almost everything

Every time I reset IPtables, the rules keep coming back in about 10 minutes, blocking everything besides port 22 and 80. When I do a "iptables-save", I see this I can't find out where it's coming ...
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1answer
45 views

Trying to give a user permissions to all folders on centos

I'm trying to give my user on my server permissions to access any folders on the server under the directory /. I've blocked logging in as root to secure against bruteforce attacks so I made a user ...
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2answers
80 views

Cent OS 6 - Do I need to restart a service after updating .ssh/known_hosts

After updating my .ssh/known_hosts file do I need to restart a service? I tried service ssh restart but it gives ssh: unrecognized service.
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321 views

Can't access CentOS in VirtualBox

I have a CentOS installed in VirtualBox. I have a web server running within it but for some reason I can't seem to be able to access it from outside. The Ip address reported from CentOS is: ...
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2answers
1k views

Desktop not starting after Centos upgrade

I upgraded a server from centos 6.5 (with gnome2) to 7 using the update manager. The problem is that I am not able to see the login screen or the desktop. However the mouse pointer is visible. I ...
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13 views

After adding FORWARD NAT rules, cannot connect system eth0

I was trying to make bridge connection between wlan and eth on Centos.. I made Forward and NAT rules and then something wrong with System eth0 connection. It does not connect anymore.. Could you ...
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104 views

Load CentOS in RAM memory

I know there are many distros out there that boot linux into RAM memory, one such is Puppy Linux. However, I have CentOS 6 and I don't want to download puppy Linux or any other distros. My goal is to ...
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73 views

how to read file from different directory through jsp in centos

i am on centos 6 and created a jsp project on the directory /root/NetBeans/MyProject/ and my jsp page is on /root/NetBeans/MyProject/web/mypage.jsp My problem is that i want to access a sound file ...
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497 views

Samba CentOS 6.5 cannot connect to the shared folder

The problem is that I added samba user 'root' via 'smbpasswd -a root'. Then I edited '/etc/samba/smb.conf' and added there: [shared_folder] valid users = root public = no path = /tmp printable = no ...