CentOS is an Enterprise-class Linux Distribution derived from Redhat Enterprise Linux sources freely provided to the public.

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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. ...
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15 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 ...
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20 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 ...
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1answer
29 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 ...
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5 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 ...
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19 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 ...
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23 views

ffmpeg libass centOS 5.11

Hi i just got a vps server and it has CentOs 5.11 and kernel 2.6.18 and I need to install ffmpeg on it with --enable-libass. So I have tried to compile but I'm having problems with libass because of ...
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1answer
29 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?
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26 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 ...
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1answer
35 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 ...
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1answer
18 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 ...
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13 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 how to view system,hosts, provisioning Tab(list Volumes, Virtual Volume sets, ...
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25 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 ...
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1answer
28 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 ...
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73 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) . ...
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20 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 ...
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1answer
26 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. ...
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1answer
33 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 ...
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1answer
11 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 **: ...
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1answer
26 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) ...
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2answers
50 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 ...
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1answer
45 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 ...
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1answer
43 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 ...
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1answer
23 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 ...
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1answer
34 views

How to restart certain Linux services

What are the commands to restart the following services on CentOS? cpdavd cpsrvd leechprot spamd tailwatch
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1answer
42 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 ...
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1answer
100 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 ...
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1answer
32 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: ...
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1answer
40 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 ...
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1answer
41 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 ...
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1answer
52 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 ...
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2answers
44 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 ...
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24 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 ...
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1answer
52 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 the process of Install Apache HTTPD from binary Source "tar.gz" Download httpd-2.4.12.tar.gz Extrat tar zxvf ...
4
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1answer
83 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] ...
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2answers
26 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 ...
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39 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 ...
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104 views

No “Add to Panel” menu in GNOME 3 Classic in CentOS 7

This has been asked and answered a hundred times, but ALL proposed solutions which I've read DO NOT work for me. First up, this is CentOS 7, using GNOME 3 (selecting "GNOME Classic" when logging in), ...
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53 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 ...
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1answer
31 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 ...
4
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1answer
40 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 ...
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18 views

restrict access to certain directory lighttpd

how to restrict access to certain directory in lighttpd, block all ip's and only allow for my ip address. root directory is at /var/www . and i created /var/www/stats directory and symlink to ...
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1answer
28 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 ...
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1answer
29 views

Enable centos server to make FTP connection to other windows based server via php

When i am running this same code from my local wamp.Works fine and prints the result. //connection to a ftp server across proxy putenv('TMPDIR=/tmp/'); $ftp_server = "SERVER IP"; $ftp_user_name = ...
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2answers
31 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 ...
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41 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: ...
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1answer
92 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 ...
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47 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 ...
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2answers
38 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 ...
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1answer
17 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 ...