Questions specific to the CentOS Linux distribution. Use this tag if your question relates to how the CentOS distribution affects your problem; do not use it if you just happen to be using CentOS and your question is about a specific configuration detail or syntax.

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-3
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2answers
2k views

Installing python on CentOS

I am unable to digest the fact that Linux CentOS requires users to do so much just for installing Python. It was so easy installing python on Ubuntu. Also since CentOS comes with python2.5 it leads ...
0
votes
1answer
88 views

CentOS 6 Cron Logging Without Postfix

On a CentOS environment I am setting up, I have no need for email of any kind. I would like to simply disable postfix entirely, however this also disables logging from cron which I do need to have. ...
0
votes
1answer
271 views

Keyboard binding for “activities overview” in Gnome3 on CentOS7 only brings up applications menu

I found a "Gnome Help" web site that listed the keyboard shortcut for the "activities overview" screen, but I found that wasn't working. I then found the "Settings"->"Keyboard"->"System" preferences ...
0
votes
1answer
161 views

How to determine or set keyboard shortcut for activities view in gnome3 on centos7?

Is there a way in Gnome3 on CentOS7 to list the actual keyboard shortcuts for things like the activities view? I can find lots of web pages that tell me what they should be, but I'd like to know for ...
0
votes
1answer
1k views

NTFS formatting disabled while using Gparted in CentOS 7

I am using GParted for formatting my usb-device(a pendrive). And, I unmounted my device using the GUI program itself. The device doesn't show mounted anymore. When I try to format my usb-device(/dev/...
1
vote
1answer
64 views

What are the default file permissions in CentOS?

What are the default file permissions in CentOS 5, CentOS 6 and CentOS 7? Is there any difference in the default file permissions between these OSs?
0
votes
1answer
707 views

Connect to SFTP using Centos Linux VM

I have Centos running a Linux VM on a Windows machine. I'm not able to connect to the VM using WinSCP with sftp on port 22 or ftp on port 21. I have Subsystem sftp /usr/libexec/openssh/sftp-...
3
votes
1answer
3k views

what is the canonical way to start a daemon in rhel/centos-6 init script?

I found lots of good documentation for ubuntu's start-stop-daemon and there is a man page for a binary daemon. But from what I can tell the canonical way to start a daemon in a rhel/centos script is ...
1
vote
1answer
128 views

nfsstat -s: What does sequence mean?

I am having a lot of trouble with my NFS v4 server running over infiniband (IPoIB), every time the load gets high, the nfs server locks up and I have to reboot the server to fix the problem. I get the ...
1
vote
0answers
83 views

iptables blocking incoming FTP traffic 2/3 minutes after being reset

On CentOS 6.6- At first, iptables was blocking access to my FTP server at all while it was on. After some research I added the lines to /etc/sysconfig/iptables that are suggested in the question ...
0
votes
1answer
380 views

How to connect to a CentOS VM over ftp?

Host - Windows 7 Guest - CentOS I have installed vsftpd as according to this guide and the service is running. But when I try to connect to the VM from the host using FileZilla the connection times ...
3
votes
2answers
3k views

How to install RabbitVCS on CentOS 7 & nautlius 3?

I haven't found any solution working so far :( What I've tried so far was follow steps from the manual. First I installed all required packages (at least I think so, naming isn't always the same) . ...
1
vote
1answer
251 views

Tracking Source IP of Dropped Packets

I have a server running CentOS 7 which is showing a considerable amount of RX dropped packets on ifconfig. I believe those may be caused by hardware problems such as faulty cables and connections. ...
0
votes
1answer
49 views

How to Install “remotely” Binary source from another path location

Suppose this I have a Bynary_Package.tar.gz When i unzipped this: zxvf Bynary_Package.tar.gz -C /path/dir/ Now, I move to cd /path/dir/Bynary_Package/ when I list this with ls -Al I have the ...
0
votes
1answer
79 views

hicolor icon error in pgadmin3, but hicolor-icon-theme installed

I have a CentOS 7.0 box that I am SSHing into from Windows with putty and the Xming Windows server. When I run pgadmin3 (installed via yum) I get the following: (pgadmin3:23011): Gtk-WARNING **: ...
0
votes
1answer
281 views

Booting from CD in CentOS

I am trying to modify the grub boot manager in my CentOS machine so that it can boot from a CD-rom. The method I am most familiar with (and the method that all of my Google searches tell me to do) ...
-2
votes
2answers
141 views

How is $HOME/bin added to my path? [duplicate]

I noticed that my path environment variable had the path for my home's binaries $HOME/bin. I did not add $HOME/bin directory to my path environment variable so how did $HOME/bin get added to the ...
0
votes
3answers
6k views

Empty kernel directory but kernel-headers are installed

Host - Windows 7 Guest - CentOS I am trying to install kernel-headers using yum since during the installation of vmware-tools I get a message asking for the path to the kernel header files for the 3....
1
vote
1answer
408 views

Starting Apache Httpd at Boot time with Zero intervention, CentOS and authbind

I want to start Apache Httpd when Linux starts (with Zero intervention like submitting the root password, I don't want write the root password to start the apache service!!!) Later of Apache was ...
1
vote
1answer
165 views

How to direct host's browser to guest VM?

Host - Windows 7 Guest - CentOS 7 I have set up a CentOS VM using VMware Player. I can now connect to the internet (ping google.com, install packages using yum are all successful) after changing the ...
-2
votes
1answer
129 views

How to restart certain Linux services

What are the commands to restart the following services on CentOS? cpdavd cpsrvd leechprot spamd tailwatch
2
votes
1answer
2k views

How to connect CentOS virtual machine (on VMware) to the internet?

I have set up VMware and installed a minimal CentOS (my laptop's OS is Windows 7). But cannot connect to the internet. Eventually I tried following this guide but still no luck. Trying to ping a ...
0
votes
1answer
196 views

yum.conf and installonlypkgs option

We set up our CentOS 6.x system that we could have a different versions of our software by means of installonlypkgs option in yum.conf. For example <mycoolpackage>-1.0.0-0.el6 and <...
0
votes
1answer
130 views

Need help locating the directory for systemd scripts

Tried to add a startup script for cent os, but can't find upstart script directory (which typically is in /etc/init on my ubuntu system] I heard it's in "/usr/lib/systemd" but it's not on my system: [...
0
votes
1answer
1k views

Which URL to use for the Fedora EPEL repo mirrorlist in a kickstart config?

I am writing a kickstart file to configure a CentOS 7 installation. I'd like to install some packages from the Fedora EPEL repository, so I'm adding a repo command to the configuration. I'm having ...
0
votes
1answer
290 views

Add Xfce Group to REHL 6.6

I want to install Xfce on my REHL 6.6 (currently I think it uses Gnome2 and Compiz) but yum grouplist does not provide me any kind of Xfce group after I run # wget http://download.fedoraproject.org/...
0
votes
1answer
6k views

Why am I denied access to phpmyadmin?

Here is what my phpmyadmin.conf file looks like: # # Web application to manage MySQL # <Directory "/usr/share/phpmyadmin"> Order Deny,Allow Allow from 192.168.0.2 Allow from 192.168.0....
0
votes
2answers
116 views

Can not connect to my webserver on my own IP

Lately I'm having trouble connecting to my VPS Webserver. Every morning when I try to connect to my webserver via pop ,visit a website that runs on the server or even ping the server, I get no ...
0
votes
0answers
293 views

default cpu affinity

On a CentOS 6 system with 32 cores, what could make all processes run under core 0 only? This is a system running nothing but a few stunnel processes actively. This is not a system we would set IRQ ...
2
votes
1answer
611 views

Considering Group and User to Install Apache httpd with different Directory - CentOS 6.6

I removed user and group related to apache, (preinstalled with apache from RPM). I'm in the process of installing Apache HTTPD from binary source "tar.gz" Download httpd-2.4.12.tar.gz Extrat tar ...
4
votes
1answer
649 views

The file /usr/libexec/mysqld does not exist or is not executable

Whenever I try to start MySQL via the command service mysqld start I get the following error: MySQL Daemon failed to start. Starting mysqld: [FAILED] ...
0
votes
2answers
74 views

Cloning root filesystem of a virtualbox partition

I have a test virtualbox partition running CentOS 7. There are many configurations on this particular partition. Some particular configurations, I have forgotten. I need to transfer this virtualbox ...
1
vote
0answers
62 views

How has this arrangement of RAID disks occurred and is it recoverable?

I some months ago set up two RAID arrays for a system under CentOS 7. I was somewhat confused that the device list included two entries for each array, i.e. one had /dev/md126 and /dev/md126p1. The ...
1
vote
1answer
612 views

service start: HOSTNAME: command not found

Whenever i try to start a daemon service with the service name start I get the following error: /etc/sysconfig/network: line 3: HOSTNAME: command not found MySQL Daemon failed to start. Starting ...
5
votes
1answer
124 views

Is it sensible to use multiple LVM layers with mdraid

I'm building up a home server that will be used for a handful of different things. I'd really like to try a Btrfs raid 1 array for a large data store, but I'm using CentOS 7 (older kernel although it'...
0
votes
1answer
135 views

How to install Goldendict on CentOS 7

I've tried to install goldendict on my laptop which runs CentOS 7 on different ways: 1- I've tried to convert .deb package to .rpm with alien 2- I've tried to build from source (with error or qt4 ...
0
votes
1answer
115 views

Enable CentOS server to make FTP connections to other windows based server via php

When I am running this code from my local wamp, it works fine and prints the result. //connection to a ftp server across proxy putenv('TMPDIR=/tmp/'); $ftp_server = "SERVER IP"; $ftp_user_name = "...
0
votes
2answers
98 views

How to change the login destination of a user in CentOS?

I'm having a dedicated server hosted with RackSpace, what I need to know is how to change the login destination of my user when I'm getting logged in to my CentOS using the PUTTY. When I'm getting ...
0
votes
0answers
243 views

yum update dependency in CentOS 6.6

After installing a rpm, by running sudo yum update in CentOS 6.6, I am getting the error Error: Package: qgis-python-2.8.1-3.el7.centos.x86_64 (neteler-QGIS-2.8-Wien) Requires: libpython2.7.so....
5
votes
1answer
3k views

Centos 7/Gnome Applications menu items don't respond

I have CentOS 7 installed with gnome. After some uptime, no items under the 'Applications' menu respond.* I can open the menus and submenus and hover over items with the mouse pointer. They will ...
1
vote
0answers
436 views

Centos 7 GUI Freeze problem

I have installed CentOS 7 DVD ISO on my MSI GE70 Laptop that has geforce gtx 765m, when the GUI comes after 5 seconds screen freeze. Is this an nvidia problem? How can I solve it? I cannot disable ...
0
votes
2answers
1k views

Multiple NICs and Gateway CentOS

CentOS 6.6 eth0 IPADDR=10.0.0.100 IPADDR2=10.0.0.101 GATEWAY=10.0.0.250 NETMASK=255.255.0.0 eth1 IPADDR=10.120.0.100 GATEWAY=10.120.0.1 NETMASK=255.255.255.0 Gateway on eth0 has Internet access ...
0
votes
1answer
41 views

samba 3.x.x vulnerabilities patch

We know that samba has few vulnerabilities. How to apply patches for vulnerabilities of samba version 3 ? samba site does not give clear info as to how to apply patches. Also is it possible to apply ...
1
vote
0answers
1k views

CentOs7 Python 3.4 Install Method

This post relates to this question where I was asked to explain how I installed python3 on my system. I was attempting to install python3 on my system for development purposes. Something went wrong ...
0
votes
1answer
56 views

Where does Knoppix store the location of hard drives/

I've been looking on the web and through the few Knoppix books I have. I cannot see where to locate the hard drives for a CentOS server I've booted with Knoppix. I am booting the CentOS server with ...
0
votes
1answer
52 views

looking for a way to download a list of packages with yum

We are trying to setup a local repo that contains all the base packages. So to get started we need to download around 3500+ packages and save it in a folder that will be used as a Repo storage. We ...
5
votes
1answer
830 views

Implications creating System Accounts “useradd -r” Linux Fedora/RHEL/CentOS

I want to know what are the implications of create an account using -r option? # useradd -r ... The help says: -r, --system Create a system account. System users will be created with no aging ...
0
votes
0answers
50 views

How to make a background service to capture commands and their output?

Is there anyway to make a background service capture all the commands executed by a user and also save the output in a text file?
1
vote
3answers
807 views

Force all network traffic go through default gateway

I have a machine that I want to force all traffic to go through the default gateway. Even traffic on the local network. I have made it to work by removing the auto generated route for this interface, ...
3
votes
2answers
2k views

LVM volume is inactive after reboot of CentOS

It seems there are many people with similar problems, yet I've found nothing that could help me. I ask here in hopes that someone might have a good idea. I've reinstalled a Linux server from CentOS 6 ...