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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6
votes
1answer
2k views

Yum error while installing MongoDB on CentOS?

I am using Centos 6.6 (x86_64) Trying to install most stable mongodb version available. but I am stuck with this error (which might seem repeated but none of the previous answers worked for me) [root@...
3
votes
0answers
226 views

EXT4 Journaling - Problem

Basically my root (/) ext4 partition keeps being mounted as read-only when I apply internal journaling feature. I understand that this should be default, but today I had been trying to apply external ...
1
vote
2answers
1k views

Cent OS 6.6 enable Plaintext authentication on dovecot and postfix

A customer of mine wants to use gmail as their default mail client but I have rolled forward to a new CENTOS server version (6.6, ok it's not "new" new) and the dovecot and postfix settings are ...
0
votes
3answers
1k views

Which ISO file, vmlinuz and initrd.gz to use for installing CentOS from Multiboot USB?

I have created a multiboot bootable USB with GRUB and used it to install Debian 8.1 successfully. A multiboot USB is one that contains the ISO images of multiple operating systems, with GRUB being ...
0
votes
1answer
626 views

virsh and creating storage pools - What is sourcepath “- - - -”

I am running CentOS 7 and was following a chapter in a book dealing with virtualization and creating storage pools. I successfully ran the following command, but I'm not sure what setting - - - - as ...
0
votes
1answer
890 views

How to install bower on CentOS 7?

I am trying to install bower on CentOS 7, after installing node.js. To install node.js I followed these steps: Step1: wget http://nodejs.org/dist/v0.10.30/node-v0.10.30.tar.gz Step2: tar xzvf node-...
-3
votes
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
81 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
245 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
142 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/...
0
votes
0answers
43 views

How to run Padre after installing via cpanm?

./cpanm Padre It looks like I could successfully install Padre. But.. How can I start it? I installed it with a normal user, not root.. where is the start script? [user@notebook ~]$ find . -type f ...
0
votes
0answers
324 views

Zimbra Bind IP address change

My client physically moved their CentOS 6.5 servers to a different data center with a new set of IPs. Before moving, they configured Zimbra 8.0.7 from Admin console with new bind address where they ...
0
votes
0answers
130 views

ffmpeg libass CentOS 5.11

I just got a vps server and it has CentOS 5.11 and kernel 2.6.18. I need to install ffmpeg on it with --enable-libass. I have tried to compile but I'm having problems with libass because I have an old ...
1
vote
1answer
63 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
640 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-...
2
votes
1answer
2k 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
119 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 ...
0
votes
0answers
89 views

How to automate HP 3PAR in CentOS using Python?

I have worked out in Windows to start 3PAR using python but I am not able to login into 3PAR in CentOS. Additionally I need to know how to view system, hosts, provisioning Tab(list Volumes, Virtual ...
1
vote
0answers
75 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
338 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) . ...
0
votes
0answers
191 views

Install basic gnome desktop on gnome7 minimal install

I recently installed centos7 minimal. I would like to install gnome classic now to start automatically but I'm trying to avoid the traditional install GNOME desktop because I don't want all the ...
1
vote
1answer
232 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
47 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
74 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
258 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
124 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
5k 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
380 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
149 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
120 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
187 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
127 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
976 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
277 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
5k 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
103 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
268 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
570 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
560 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
61 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 ...
0
votes
0answers
149 views

OpenVZ fails Container creating (Unable to get appcache tarball name for ve-basic.conf-sample with ostemplate debian-7.0-x86-minimal)

I have OpenVZ installed on CentOS 7.1. After I execute vzctl create 101 --ostemplate debian-7.0-x86-minimal I get command /usr/sbin/vzpkg exited with error 8 Unable to get appcache tarball name ...
1
vote
1answer
571 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
120 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
0answers
113 views

how to restrict access to certain directories in lighttpd

How can I restrict access to certain directories in lighttpd, block all IPs and only allow for my IP address? My root directory is at /var/www. I created the /var/www/stats directory and symlinked ...
0
votes
1answer
129 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
111 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 = "...