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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CentOS installation error - No more mirrors to try

I have currently gotten my parts for my new home-build server, but I've come into an error installing CentOS 6.6 (minimal 64bit). I am installing 6.6 instead of 7, due to OpenVZ not supporting CentOS ...
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1answer
1k views

Intel Wireless WiFi driver for Linux on Dell Inspiron 17 (7746, Early 2015) CentOS 7 Laptop

So I recently got a new laptop from work, and I'm unable to get the wireless drivers to work in CentOS 7. ########## wireless info START ########## Report from: 13 Mar 2015 13:47 EDT -0400 Booted ...
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342 views

CentOS 7 ownCloud 8.0.2 nginx WebDAV

I'm trying to setup private evernote alternative via ownCloud and TagSpaces. At the moment I'm failing to bring the WebDAV to run. The control panel complains that it is not set up properly and I ...
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96 views

how to configure WPAD in Centos 7 using squid, BIND, DHCP

i am new to linux and using centos 7 to configure proxy server. With the manual configuration my proxy server is working fine but now i want to use auto proxy detect, becase there are different ...
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1answer
86 views

firewall-cmd in CentOS 7

I have a virtual linux server from STRATO. This machine runs CentOS 7 and when it comes to firewall settings I can read everywhere to use firewall-cmd. My system has no command available named like ...
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1answer
30 views

running a virtual machine with Cent-OS but problems occur

I have a windows 7 OS on my desktop and I have VMware Player installed. I did not use easy install when I created a VM that has Cent-OS installed. When I reboot the VM, I tend to get stuck in this ...
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1answer
73 views

How can I disable FTP access for users

I want to temporarily disable the FTP Access of the FTP users which are added from Cpanel I have tried chsh -s /sbin/nologin aadmi which says "chsh: user "aadmi" does not exist." Tried sudo echo ...
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18 views

Document root with 750 permissions?

I've an apache - Centos 6.5 server. httpd runs as apache. My document root is set in this way: user: webmin group: apache permission: 750 Is this configuration fine? I've installed wordpress in the ...
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1answer
27 views

Im trying to adjust my httpd.conf file on my server but cant find it

I'm trying to make changes tot he httpd.conf file on my server so i can have multiple websites on my magento platform however i am unable to find said httpd.conf file. I'm using centos 6 and Apache ...
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26 views

Got red screen of death after installing Centos6.6 on HP Proliant using cobbler

I'm trying to install CentOS 6.6 on a HP server using Cobbler 2.6.3. The installation process seems to be fine, but after rebooting, I get a red screen of death when the system tries to load the SO. I ...
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9 views

Replacing the default status bar(animation for indicating bootup process going on) during CentOS bootup?

How can we replace the default status bar with our own animation status bar which appears while booting up CentOS?
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7 views

need help in Varnish tuning

I am using Varnish for caching along with Apache. The CMS used is Wordpress. Initially the load time is good. It is decreasing consequently after 5-10 minutes. Restarting varnish again reduces the ...
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1answer
63 views

make default python 2.7 instead of python 2.6 in centos6

In my system I have installed python 2.7.By default it have python 2.6. My application need to run on 2.7 but it is running on python 2.6 by default .How can I change this.?
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1answer
52 views

Nagios configuration to monitorize virtual machine using Hyper-V with NAT

I will start by thank you very much for any help that i may possible have from any of you. I have a centos box that have nagios installed. I'm able to monitor several servers so far but I’m stuck in ...
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1answer
410 views

Installing Cisco AnyConnect on CentOS 7

I have installed Cisco AnyConnect on CentOS 7. When I try to connect I get an error: /opt/cisco/anyconnect/bin/vpndownloader: error while loading shared libraries: libpangox-1.0.so.0: cannot open ...
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33 views

Unable to get the Full screen in KVM

I installed CentOS 6.4 in KVM (Kernel-based Virtual Machine), My base machine is Scientific Linux 6.4. I am unable to get the full screen in KVM, In virt-manager if I select full screen also both ...
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26 views

Centos 6.5 grub menu issues

I am using CentOS 6.5 on vmware workstation. I have modified /boot/grub/grub.conf file by adding different titles and even updated the existing menu title also. But, while booting it is just showing ...
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18 views

CentOS 7, logfile archives, and lighttpd

There's a service running on my server that rotates log files by appending the date to them and leaving the original log file empty. For example, with lighttpd, my access.log becomes ...
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2answers
385 views

CentOS 7 install PostgreSQL dependency error

When running yum install postgresql-server.x86_64, I encounter the following error: --> Processing Dependency: libreadline.so.5()(64bit) for package: postgresql-server-8.1.23-10.el5_10.x86_64 ...
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15 views

Permissions set to PSACLN lock me out of files

The server's FTP sets files uploaded automatically to the group PSACLN The problem is if I add myself to the group, then the FTP shows only my files on the server. It hides all other files. If I ...
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2answers
43 views

Linux “man” pages appear as gibberish in CentOS

On my CentOS 6 box, all the man pages and some tools that support --help show gibberish. For example, if I type: man man I get this: ^HZ[wã¸~ǯÀjZÊèvg:=3ÌlËm’¾­¤ÞÎl<;HHBL´Z}òãSe{l?´)B¡ê«¯ ...
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1answer
340 views

Systemd docker container service does not work with CentOS 7

Here is the service (/etc/systemd/system/docker-mysql.service): [Unit] Description=MySQL container Author=Me After=docker.service [Service] User=root Restart=on-failure RestartSec=10 ...
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0answers
13 views

RHEL 5 box constantly displaying NIC statistics on console screen, how can I disable this?

I have a RHEL 5 box that is constantly displaying nic statistics on the console screen when using the KVM. This makes it very hard to do any troubleshooting when the box goes down as these statistics ...
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23 views

Failing to install PY2NEO

I am trying to install py2neo on a CentOS server. It fails with the following message: File "setup.py", line 29, in <module> from py2neo import __author__, __email__, __license__, __package__, ...
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1answer
54 views

GNU screen: Utmp slot not found

I've just had a dedicated server set up with the most minimal install of CentOS 7, and I just installed screen. When I run it under my normal user account, open a new screen window, and then go to ...
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60 views

No browsing issue on PPTP VPN Server on CentOS 6 64bit

I am trying to setup a VPN server in CentOS 6 64-bit. I used the first 4 steps of following document to setup the server in How-to-setup-your-own-vpn-with-pptp. And I successfully managed to setup ...
5
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1answer
76 views

What happens when I truncate a file that is in use?

Around the web many people say you can truncate a file using > filename or truncate -s0 filename while file begin used I know everytime a process write in a file, the process uses a offset for ...
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2answers
124 views

Installing CentOS from bootUSB with two ISO files

I want to install CentOS upon Windows 8(dual boot) replacing Ubuntu 11.04. I have two ISO files (dvd1 and dvd2). Suggest me ways to install the OS from USB. I tried using Unetbootin but it is not ...
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12 views

Centos asterisk system crash

I have Asterisk 11.14.1 running on one of my machine with Freepbx, a fresh install with Sangoma card. However whilst setting up i.e during the process of Sangoma card detection, I faced a problem ...
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1answer
662 views

Errors with a phpMyAdmin install on CentOS 7

Well, I was trying to install phpMyAdmin on CentOS 7 (64bit) and this happens. Here is a Pastebin of the output from yum install phpmyadmin because can’t get code thing to work. [root@ftb ~]# yum ...
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1answer
26 views

Private server with domain name structure

I'm doing some tests/studying on a private server but I don't understand the structure. It's a centos server. This server has a private IP 10.x.x.x. This server is also linked to a domain name, so it ...
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62 views

Serial port on Virtualized Centos 7

I've just installed a Centos 7 on a VMware box. I would like use a passthrough to the physical serial port to connect our ups, but the serial is not recognized... I also tried installing a vMA ...
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2answers
334 views

No package available when installing packages on CentOS 6.6

I wanted to install mysql-server on CentOS 6.6 (64bit). When I run yum install mysql-server, I get the following error: root@ip-50-62[/home/syn]# yum install mysql-server Loaded plugins: ...
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3answers
70 views

Where does this name come from? root@<hostname>

When I putty into my CentOS 6 server I am shown root@ DemandStream Development This was a copied and repurposed Linux VM from one of our development environments. How do I change this name? It seems ...
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1answer
160 views

How can you create a USB installation drive w/ partition for kickstart files in CentOS 7?

How would you create a CentOS 7 USB installer with a data partition to store kickstart files? We will be getting some new servers shortly and overall I’m expecting to do over 30 servers installs. ...
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58 views

virt-install fails to start in centos 6.6

I am trying to host virtual KVM machines on my server. Specs: CentOS release 6.6 (Final) processor : 11 vendor_id : GenuineIntel cpu family : 6 model : 45 model name : ...
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1answer
36 views

Resizing LVM Partitions

I'm trying to resize a couple of my LVM partitions. I have one that is 850GB (/dev/mapper/cl-home) and one that is 50GB (/dev/mapper/cl-root). I'd like to make it so that cl-home is 750GB and cl-root ...
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1answer
36 views

FFMpeg filters compilation on CentOS

I have compiled FFMPEG on CentOS 6.6 using this guide: https://trac.ffmpeg.org/wiki/CompilationGuide/Centos But, whenever I issue command ffmpeg -filters The output is FFmpeg version 0.6.5, ...
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2answers
6k views

What is the difference between CentOS “DVD” vs “Everything” ISOs

What is the difference between the DVD ISO and the Everything ISO? These options are presented on the CentOS download page but there is no explanation as to what the difference is.
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44 views

Trying to yum install ntfs-3g by borrowing mount space from a shared drive

I am working in Centos 6 in a linux partition in my computer, which seems to have insufficient space for my needs (less than 100Gb). I have a shared drive mounted with Tbs of space which I am trying ...
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26 views

Wordpress extremely slow in VPS

Recently a client buy a "unmanaged" VPS at 1&1 and since a few days the site running on it, which is a Wordpress, is extremely slow and I can't find what the cause is meaning if it's at software ...
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17 views

Iptables Port Forwarding To Different IPs Based on Port [duplicate]

On a CentOS 6 server with an IP address of 172.16.1.10, how can I configure iptables to route traffic destined for 172.16.1.10:80 to 192.168.1.10:80, and traffic destined for 172.16.1.10:8080 to ...
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89 views

Pure-FTPD certificate not being used

I am using Pure-FTPD from the epel repository on CentOS 6. Now I have configured to enable TLS which works fine however for some reason it wont make use of the certificate file I have placed in ...
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19 views

How to Create a VirtualBox like Oracle developer day VM using CentOs?

Oracle has provided us a way to use Oracle Database on Mac with its Developer day VM's. But its of huge size and I couldn't resume the download. So I want to build a VM with Oracle Database installed. ...
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1answer
44 views

How do I stop recurring error messages from appearing in messages and auditd.log?

On my CentOS linux machine, in my auditd.conf file, I have set my max_log_file_action=keep_logs. However, in my /var/log/messages and /var/log/auditd.log, the following message appears multiple times ...
3
votes
1answer
41 views

How can I get yum to recommend packages based on my stupidity?

I used to use Ubuntu (apt-get) and I feel like if I would say apt-get install this_packge and there was a package named this_package, that it would recognize the mistake and say something like: ... ...
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16 views

X11 not starting correctly

I'm using the i3 window manager on Centos 6.5, with no GDM. I can boot fine, log in via the console, all works fine. When I do startx to load my .xinitrc file and start i3, it appears to start X, but ...
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61 views

sendmail think every word in a message is a recipient

I encounter a strange problem in some mails. sendmail things that every word of the message is a recipient which causes strange behaviour that I do not know how to solve. if someone has any ...
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1answer
70 views

how to upgrade ffmpeg to latest version in centos 5.11?

I have CentoS 5.11 installed. and ffmpeg 0.10.2 [ [root@cs1590 ~]# ffmpeg ffmpeg version 0.10.2.git Copyright (c) 2000-2012 the FFmpeg developers built on Jun 5 2012 08:51:26 with gcc 4.1.2 ...
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199 views

To use ssh-id-copy do you need both id_rsa.pub and id_rsa?

I am trying to setup a second access ssh key for a friend. He sent me his id_rsa.pub. ssh-copy-id -i id_rsa.pub root@123.123.123.123 /usr/local/bin/ssh-copy-id: ERROR: failed to open ID file ...