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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installing mariadb 5 on centos 7 Unit mariadb.service failed to load: No such file or directory

I try to install mariadb on centos 7 using official documentation https://mariadb.com/kb/en/mariadb/yum/ I have installed these packages: Installed Packages MariaDB-server.x86_64 ...
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61 views

Apache httpd.conf - Virtual hosts port

I have an Apache Webserver running, which is reachable over the ip/port-combination 123.456.789:9000 from my browser. Also I have a GitLab instance running on the ip/port-combination 123.456.789:8888 ...
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2answers
22 views

How to boot centos for recovery without monitor or DVD?

I modified the fstab to include the newly created partition, then rebooted. But the system won't boot, and I suspect it is due to incorrect information in fstab. My machine has no monitor, no working ...
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143 views

Port Forwarding on CentOS 7 using FirewallD

I have a network where I have a Netgear cable modem bridged to a VyOS Router, then a DMZ network to my external firewall / internal gateway then into my local network. (I have the Netgear modem ...
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76 views

CentOS 7 and LDAP Authentication

I want to connect my CentOS 7 to our AD server for authentication, but I am confused about the configuration. Here is the configuration that is working on an SVN server: SVNParentPath /var/svn ...
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1answer
53 views

Need to backup restore Linux system remotely

I am trying to build a setup like WDS (Windows Deployment Service) in a Linux environment. What I have: A Dell server with good amount of RAM and lots of space. OS is CentOS 6.5. Few 3rd party ...
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141 views

Firefox - This Connection is Untrusted - Google

I'm not sure why, yet all of the sudden I'm getting this while trying to open www.google.com My system: [alexus@wcmisdlin02 Desktop]$ cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) ...
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1answer
29 views

Is IPTABLES obsolete when behind a router?

I'm still quite noobish when it comes to networking. I was fiddling around with squid on centos and i was wondering whether turning on iptables when your centos box is behind your isp modem/router has ...
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113 views

CentOS 7/VMware Hang on Boot ([sda] Assuming drive cache: write through)

I am new in Linux. i use CentOS 7 (CentOS-7-x86_64-DVD-1503-01.iso) in VMware workstation 9. Host system is windows 8. i was trying to install the update. when i restart it hang during boot. it show ...
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2answers
26 views

I want to share the hardwares between two systems which are connected on the same network

I want to share the hardwares between two systems which are connected on the same network. I am having two desktops, one with 16GB RAM and other with 48GB RAM. Both are running CentOS minimal. I want ...
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52 views

WinSCP: wait at `searching for host` page

When I try to connect my Centos running on VMWare, WinSCP wait in searching for host line and do not connect. I've checked that SSH is up and running on port 22 of my VMWare and turned off windows ...
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44 views

Linux YUM: How to update ONLY packages with the size less than specified amount?

I am Using Centos 7 and having limited Internet at home, My Question is how can i update only those packages which cent yum asks to update with the size less than 5MB for example? (And I mean by ...
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1answer
52 views

How to configure LAN segments in CentOS 7 clients?

I created a set of VMs and I want for them to share a communication channel (or more) between them. So I added, aside the NAT interface to connect to the internet, a LAN Segment interface or two. My ...
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1answer
164 views

Check box / radio button in Linux (CentOS 7 - KDE 4) doesn't response

It happens every time I open a Setting Dialog or something like that in my System or even in all applications (eclipse etc.) When I click on the check box like this one, it just doesn't show up that ...
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1answer
54 views

host win10 can ping guest centos6 but centos6 cannot ping win10?

I use Wifi at home and my Virtualbox network mode is bridge adapter + promiscuous centos 6 network information is Winows10 can ping guest centos6 and I can use secureCRT to conncet to ...
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46 views

php-fpm downgrading php version

Current Software Version:- OS : CentOS 7 PHP : 5.6.14 After installation of php-fpm on nginx 1.8, it downgrades php to 5.4. Even though new and latest version(5.6.14) is already installed. I don't ...
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23 views

Linux - How to record speaker and mic from command line?

I'd like to be able to record my VoIP conversations. I'm looking for a solution which: Runs command line (no GUI; I want this to automate) Doesn't disrupt the audio (that is, it can record the mic, ...
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81 views

Installing zerofree on Centos 7 bare

I am trying to reclaim free disk space from a VirtualBox VM with Centos 7 as the guest OS. All of the resources I found online recommend using zerofree to zero out the free disk space before ...
2
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1answer
52 views

ssh force tty return extra non-printable character

I know ^M will show up when ssh -t, ref1, but I don't catch the situation when ssh -t into Centos 7.2(even Centos 6.2 is OK, but no difference between their environment vars). Anyone know about this? ...
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1answer
100 views

How to set 644 file permissions for newly created files and 755 for newly created directories?

I have an e-commerce site in Magento. When I upload a file using the administrator, the folder is created with 770 permissions, and the actual file is also created with 770 permissions. Cause of ...
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1answer
88 views

Does Open Broadcaster Software install in CentOS6?

How can I install Open Broadcaster Software on CentOS 6.7?
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1answer
57 views

Nginx serving C++ cgi script: response is binary format

I am trying to run C++ CGI script on nginx. I am using FCGIWrap with script from nginx website. The program code is like this: #include <iostream> using namespace std; int main () { cout ...
3
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1answer
181 views

Can't install python requests library on Centos 5.11

I'm running Centos 5.11. I'm trying to install the python requests package. But pip keeps giving me syntax errors. pip help returns [root@32437-201824 bin]# pip help Traceback (most recent call ...
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16 views

Installing Spamassassin on CentOS - no external emails come in

I've installing Spamassassin on CentOS 7, with postfix and dovecot. Local mails work fine- but no external emails (other than my domain) come in. I disabled Spamassassin; all worked fine again. The ...
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236 views

xenserver 6.5/centos 5.10 parted/glibc upgrade missing dependency that is not missing

I cannot seem to find the official best way to get round this issue: $ yum --enablerepo=base --disablerepo=citrix install parted Loaded plugins: fastestmirror Loading mirror speeds from cached ...
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1answer
34 views

Confused about Putty colors - Centos 7

So I am using nginx as my server if that helps at all. I also use Putty as my connection manager as well. So while setting up domains here and there under nginx, there seems to be a difference in ...
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185 views

systemd-udevd.service ignoring 60-net.rules

I've tried my hardest to get this to work without asking for help. I can't figure it out. I have a machine that has 6 ethernet ports. I want them to be consistently named eth0 through eth5 just as we ...
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85 views

Apache 2.4 tuning - idle workers during load

I have setup: CentOS 7, Apache 2.4 + mod_disk_cache, PHP 5.4 + opcache (haven't yet added memcached for sessions). Apache is running in event MPM, and PHP is accessed through mod_proxy_fcgi to ...
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1answer
19 views

How to change centos partition to LVM

all I have centos installed in vitual machine, but its partition is in old style, now, I need to change it to LVM. Is it possible? And how to do that? I don't want to reinstall the system. Thanks in ...
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1answer
67 views

Allow PHP to execute in a specific subdirectory, when parent directory is denied?

I operate a small shared server and would like to give some of my users the ability to execute PHP code from the browser (but not all of them) but have been unable to do so. In the top level ...
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1answer
164 views

Not detecting network card in centos 7

In my VMware Workstation I have installed CentOS 7 but it is not showing any network card. When type lspci I am geting :*-2:00.0 USB controller: VMware USB1.1 UHCI Controller 02:01.0 Ethernet ...
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41 views

Remove backups older than 7 days except first of every month

I want to delete backups older than 7 days but keep the first of every month. The name of the files is name_$(date +\%d\%m\%Y).tar.gz I want to keep name_$(date +\01\%m\%Y).tar.gz I want something ...
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1answer
14 views

What is the minimal lines of text needed for a desktop entry to autostart after GUI login?

Most desktop Linux distros allow you to autostart applications in a flexible manner as described in Freedesktop.org's Autostart spec. There are two steps: 1. mkdir -p $HOME/.config/autostart 2. create ...
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340 views

SELinux is preventing nginx from write access on the Unicorn socket

I'm trying to setup my Rails application with Nginx and Unicorn. Nginx throws following error by accessing root url of my Rails-app: дек 14 23:39:42 servercentos7 python[5604]: SELinux is ...
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98 views

How to install Gnome Schedule in Cent Os 7

I tried to install gnome-schedule in cent os 7 but it throws following error but the same package works well in ubuntu. Download url: http://gnome-schedule.sourceforge.net/ gnome-schedule-2.2.2 ...
2
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1answer
202 views

Kiosk mode and auto login and single application mode in CentOS

We have a machine running CentOS 7, GDM, KDE 11 (installed from CentOS DVD) We have been struggling a few days with this issue, tried to search for a solution but unfortunately most of the ...
2
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1answer
186 views

CentOS 7 USB won't boot

I currently have a Windows 10 laptop that I am trying to reformat to make it run CentOS 7. The laptop does not have a CD/DVD drive, so I am trying to use a flash drive to reformat it. On Windows, I ...
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1answer
168 views

MATE: how to increase window resizing area

I use MATE on CentOS 7 and Ubuntu 15.04 and with both I have trouble resizing windows. It seems like I have to click on a 1px size line to change and that's a bit difficult with touchpad sometimes. ...
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0answers
30 views

Is it possible to “peek” on another users session on the command line

I have deployment systems which connect via SSH and execute tasks after uploading files (namely deployhq.com). In my instance they're connecting to CentOS, Wheezy or Jessie servers. I only get ...
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81 views

Giving FTP user permissions to directory using vsftp and CentOS

I have done the following: useradd Max passwd Max usermod -d /test Max My vsftpd.conf: chroot_local_user=YES My /etc/passwd: Max:x:500:500::/test:/sbin/nologin Upon logging into FTP via ...
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1answer
24 views

Swapping ctrl and cmd key on centOS

I'm running CentOS 6.7 on virtual box 5.0.4 using a macbook air laptop. I'd like to use the apple cmd key instead of ctrl just to make life easier for copying, pasting, etc.. How would you do ...
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1answer
263 views

What causes phpVirtualBox's remote desktop server port to be crossed out?

I am running VirtualBox 4.3.34 on Centos 6 host with Windows 7 guest, have installed guest additions, and also installed phpVirtualBox. Previously, I was able to remote desktop with a Windows 7 ...
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1answer
91 views

Unable to connect yum repo [duplicate]

When I am running yum install getting following error. root@datanode# yum list CRITICAL:yum.cli:Config Error: Error accessing file for config file:///etc/yum.conf root@datanode# rpm -ev yum ...
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36 views

Serve auto-generated zip files with small footprint

I currently use mod_zip/nginx(for automatically generating zip files). The (very very big) issue with mod_zip is - when it accepts range requests - it doesn't pass ranges to subrequests. What ...
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1answer
86 views

Centos 7 bind returns nothing

I have tried making a dns server, but when i do the dig command the server returns nothing. I have not had any prior experiences and am only following this tutorial: ...
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34 views

ssl-params process killing VM on AWS

I've installed iRedMail on a free ec2 instance on AWS to try it out. After some initial teething issues I've got it working ok for receiving mail however after initial install the process ssl-params ...
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1answer
57 views

VirtualBox Centos Not having network connection

After reading several posts on the above topic, i was forced to post this question because i m still stuck. I am running internet connection on MAC OS X el captain(wifi) and trying to run internet in ...
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1answer
92 views

Centos 7 bind issue

I am trying to configure a bind dns server on Centos 7. I have no previous knowledge on setting up dns servers, i am following this ...
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1answer
73 views

Cannot update mongodb 2.4 on centos 6.6

I am trying to update my mongodb 2.4 to 2.6 but I can't seem to download all the packages. I successfully downloaded all of it before except mongodb-org. I ran yum clean all to clear the cache that ...
0
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1answer
57 views

Connection timed out when connecting to a remote tcp port

I have deployed my application on Linux CentOS. The app connects to a remote TCP port but it throws a connect timed out exception. I tried to connect it via telnet but the port doesn't respond. I am ...