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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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
82 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
156 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
112 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
111 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
112 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
22 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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62 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
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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160 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
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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0answers
160 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
165 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
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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0answers
106 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
28 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
150 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
69 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
902 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
309 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
145 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
428 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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63 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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0answers
263 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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1answer
560 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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0answers
81 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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1answer
10k 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
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1answer
964 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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1answer
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
212 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
94 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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1answer
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; ...
0
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1answer
140 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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0answers
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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0answers
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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0answers
100 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 ...
0
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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 ...
1
vote
2answers
145 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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0answers
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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2answers
775 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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0answers
11 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 ...
0
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1answer
243 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
112 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 ...
0
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1answer
46 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
83 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.