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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Barnyard Service - MySQL Error

I installed barnyard2 and saved as a service. When I run service barnyard2 start, Barnyard2 is failed. After I run tail -100 /var/log/messages and I encounter a fault like this. ERROR database: ...
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7 views

Ansible on CentOS 6.5 throws OSError: [Errno 2] No such file or directory

My Ansible install on CentOS 6.5 throws OSError: [Errno 2] No such file or directory [batandwa@localhost ansible]$ ansible-playbook -i hosts main.yml -v [WARNING]: The version of gmp you have ...
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21 views

What is the best way to create RAID 1?

I'm looking for a way to create the RAID 1 array without losing my data on CentOS. Here's my situation: I've got a web server running on CentOS. There is one VG partition with few LV volumes. I bought ...
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Can't start mariadb in centos 7

in the systemctl status it shows: systemctl status mariadb.service mariadb.service - MariaDB database server Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled) Active: failed ...
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10 views

USB headset doesn't connect automatically when plugged-in in CentOS 6.5

The USB headsets are not automatically selected when plugged-out and back in, it must be manually done each time. So far, I have tried to modify /etc/pulse/default.pa to include a module I have ...
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21 views

Software installation script says “loopback not defined in ifconfig”

I'm trying to install a software by IBM in CentOS 7 and the installation script does a few environment checkings to make sure everything is working. The script is saying that "loopback not defined in ...
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16 views

Xen reports that “Host does not support virtualization type 'hvm'”

[root@www www]# cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Pentium(R) Dual-Core CPU E5500 @ 2.80GHz stepping : 10 cpu MHz ...
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28 views

Can't install MySQL in CentOS 6.5

When I try to install MySQL in CentOS 6.5 it gives me this error: Error: Multilib version problems found. This often means that the root cause is something else and multilib version checking is ...
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16 views

Install old version php on Centos

I have troubles with php + mongodb After redeploying project, php throw 500 because "Can't canonicalize query: BadValue $in needs an array" (https://jira.mongodb.org/browse/PHP-1051) I install same ...
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1answer
17 views

Is it possible to install Ubuntu from within CentOS 7 VPS?

My VPS hosting provider's panel is bugged, and I'm stuck with CentOS 7, can't re-image to another linux distro (contacting support hasn't been successful, they tell me it's fixed and close my ticket, ...
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53 views

Setup PHP from source and mod_fgcid on CentOS 6, getting permission denied

I have compiled PHP from source and installed it to /opt/php/5.5.15/ I have also installed (with yum) httpd, and mod_fcgid. I am trying to configure a virtual host to exec php like this: ...
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20 views

CentOS 7 Guest in VMWare Workstation and sound

I remember that there was a tweak that made the combination "CentOS 6 + VMWare WS 10 + audio" working. Alas, I can't quite recall it. I am now working with CentOS 7 + VMWare WS 10 and out of the box, ...
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2answers
14 views

Install devtools on CentOS without root permission

I would like to install devtools on a cluster that runs CentOS 5.4 (to get a higher version of gcc than the default one. I need gcc>4.7 to use some C++11 features) However I don't have root ...
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49 views

CentOS 7 and OpenSuSE 13.1 (so far) can't see NTFS partitions during installation

The title is rather self explanatory, but here some more details. I'm currently running my machine with Windows XP x64 (read Windows Server 2003) and I was planning to install CentOS 7 on the same ...
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1answer
15 views

Forgot to add mx lines to DNS, is there anywhere my emails would be caught? (CentOS)

I set up a server on digitalocean, but forgot to add the MX records to the dns. Is there anywhere the emails sent to my domain would end up? Any way to recover them?
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26 views

Init 3 command with systemd

I am using Oracle Linux 7 for test purposes. I understand that the entire RHEL family (RHEL, CentOS, and OL) is using systemd now. As far as I know with systemd instead of init 3 I should use ...
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25 views

how can I run a java application as daemon?

I use to run an application in CentOS with the command nohup java -jar AnalyticsBackend.jar & Now I want to run this application as daemon i.e. on reboot, this application shoud start running ...
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55 views

Is it possible to run a dialog/whiptail script in one TTY from another?

The origin of this question, for me, is being able to run a whiptail command in a %pre script from a kickstart file when installing a custom distribution based on Centos. However, the behaviour ...
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55 views

How to install libwebkit (libwebkitgtk-1.0.so.0) in order to run CodeLite?

A pre-requisite for running codelite is WebKitGTK. codelite: error while loading shared libraries: libwebkitgtk-1.0.so.0: cannot open shared object file: No such file or directory I'm on CentOS, ...
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1answer
18 views

How could I install libevent 2.0+ while reserving system provided libevent 1.4?

I am a newbie on RPM I want to build a RPM of tmux and libevent for centos 6.5 which does not ship. The problem is tmux needs libevent 2.0+ which centos 6.5 does not ship either. So I wrote rpm spec ...
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23 views

Remote MySQL database connection

I have a MySQL server running on server1 (centos) and php/MySQL running on Server2 (centos). Both these servers are on 2 different cloud hosting providers. I want to connect my php code on server2 to ...
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26 views

How many actual files were you able to store in a CentOS folder?

I found many questions about the total files limitations of the CentOS file-system, but I was curios in actual real-world situation, how many files people were able to store in one single CentOS ...
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71 views

Port forwarding remote traffic through physical router to go through pfsense VM, then to centos VM web server

I hope this makes sense, I'm completely self taught and planning on going for formal instruction. As I understand this is possible, however I haven't been able to find definitive answers to my ...
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20 views

How to start application after login on CentOS? [duplicate]

I am trying to start GUI application with upstart script on CentOS. I have test script located /etc/init/ folder. start on desktop-session-start stop on desktop-shutdown respawn script export ...
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36 views

How to start GUI application with upstart?

I have struggled with this problem for three days and I have tried many ways to solve it but not successful yet. I hope you guys can help me... I have an GUI application. I want to start this ...
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2answers
7k views

My PC is not a phone - how do I remove the swipey pre-log in screen from Gnome 3?

I'm currently running centos 7 (the server with gui config) on a VM. I'd like to keep the log in screen, but the 'phone' style pre-login lock screen that requires a swipe to access the main login ...
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6 views

How to remove ghc 7.x from centos ?

I have installed GHC 7.0.4 on CentOS 6.5. The primary reason for uninstalling, I want to free up space. I don't require to downgrade or re-install. What is the way to uninstall/remove GHC from the ...
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21 views

Snort error on CentOS : Unknown preprocessor “ftp_telnet”

I installed snort on CentOS server. If I use snort -v command, snort is working. If I use snort -c /etc/snort/snort.conf command, snort throw an error. Error message: [root@www snort]# snort -c ...
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59 views

How to install Wireless USB adapter drivers in CentOS 6.5 64bit?

I have installed CENTOS 6.5 (64bit). I have my Belkin N150 wireless USB adapter (Model: F9L1001v1). I need to install the drivers. Where can I get the drivers and information on how to install them? ...
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6 views

Running maldet with less cpuload

I don't know if this is the right place to ask this question or not. Sorry if this is not the right place. I have installed the maldet(Linux Malware Detect) scanner to scan malwares from the server. I ...
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19 views

Iostat and top show static resource usage on first value

For one of my projects, I need to obtain resource (CPU, I/O and disk-space) usage programatically. Currently I'm running shell commands (iostat) and parsing the results which works relatively well ...
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48 views

How to upgrade Nginx and install php-fpm on CentOS

I want to upgrade Nginx via Yum, and also install PHP-FPM as usual. Most blog and online resources use the EPEL and REMI repos, but they're not working on my server. My OS info: Linux ...
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2answers
45 views

what can be the reason for no permission even using root or sudo

When root or using sudo, I cannot write to some files. I have a file fileA with permissions 750 fileA rwxr_x___ root root When I run a program as root or using sudo, the system prompt is: no ...
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1answer
19 views

yum remove only single rpm file instead of all packages related to it

My environment: CentOS 7.0 Keep a rpm list by: rpm -qa > before.list Try libreoffice-calc. (112M bytes) yum install -y libreoffice-calc Think it is useless, I want to remove it. I found yum ...
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86 views

Installing PostgresSQL on CentOS 6.4 without yum

I've got a company server running CentOS 6.4 on which I'm required to install the tools required for a webapp deployment. One of those tools is PostgreSQL server, however the company VPN is blocking ...
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16 views

Squid: ACL based on date

Is their any ACL element in squid to restrict, based on a particular date or giving access based on date? I have checked the time ACL element, and its not possible to give any date, only time of day ...
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22 views

how to delete yum and right re-install to centos6.5?

[root@webdev docs]# yum list Gathering header information file(s) from server(s) Server: Red Hat Linux 6 - x86_64 - Base retrygrab() failed for: ...
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cron table mailx caused empty content

I'm using centos 7.0/6.5. The content of /etc/cron.hourly/mail.cron #!/bin/sh log=/var/log/mail.cron.log echo "`hostname` `date`" >> $log 2>&1 mailx -s "test mail" me@example.com < ...
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1answer
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epel 6 want to update a package with the epel5 version in Centos 6

I have downloaded and installed the epel 6 in Centos 6 using: wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -Uvh epel-release-6*.rpm but when i do: yum update ...
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35 views

Running into errors on installing addons in asterisk

Trying to install asterisk on my centos system following this tutorial but on doing ./configure –libdir=/usr/lib64 && make menuselect && make && make install in my terminal ...
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5 views

passsenger: Apache 2 Test Page shown instead of rails application

I have installed centos and rails using a tutorial The problem is, the browser shows "Apache 2 Test Page" instead of the rails site. Any idea how to troubleshoot this.
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32 views

Printer configurations on Linux: Providing privilege to normal users

I am on a CentOS machine. Everything is working fine, I can configure the printer with the GUI System->Administration->Printing. It asks for root password and then I can make the configurations. ...
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26 views

Configuring Apache with PHP-FPM, Apache failed to start

I followed this guide to configure PHP-FPM with Apache on my server but after I restart Apache successfully: [root@localhost vhost]# service httpd restart Stopping httpd: ...
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20 views

CentOS - ipTables

I have some questions about ipTables. Is it possible to open all ports between 2000 and 6000 and then have 2245, 5435,5434 closed? Is it possible to open some ports from a ip address? Eg. The only ...
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31 views

What is the purpose of usb0 ethernet device on Centos 6.5 machine?

My Centos 6.5 machine installed with 2 ethernet device (eth0 and eth1). But when I listed all ethernet device with ifconfig -a as root, in resulted list have another ethernet device usb0, as follow: ...
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200 views

CentOS 7.x iptables

I have manually edited the /etc/sysconfig/iptables file in my CentOs 7.x installation , I have two entries and two processes running at the respective ports. I am able to telnet/access port 2181 but ...
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10 views

Replicating a dedicated server

I have three identical remote dedicated servers running CentOS 7.x that I am buying as a service from a provider. I have painstakingly set up one of the servers and I need to create exact images on ...
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65 views

Centos 6.5 is not starting xserver

I've got an issue with Centos 6.5 (with GUI) installed on Virtual Box. Everything was working fine until someday it's stopped starting. I noticed that it hangs out on Starting jexec services Starting ...
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2answers
31 views

CentOS 6.5 PHP extensions

I need to enable php extensions like PDO and GD but I can't find a section with all the PHP extensions enabled inside /etc/php.ini, so in which file is this defined? EDIT: using PHP Version 5.5.14 or ...
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54 views

How to set up Brazilian Portuguese Keyboard layout in CentOS 6.5?

I'm having a hard time to configure my keyboard in CentOS 6.5. My Keyboard is a standard US-International one and I'm Brazilian. In Windows, I can use language "Brazilian Portuguese" and Keyboard ...