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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2
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1answer
4k views

Install gksu on Centos

I want to install gksu on Centos 5.5. su and sudo both work fine (although I had to tweak some BASH profile files to find the commands properly), but I want gksu installed so that I can easily use ...
3
votes
2answers
5k views

Convert file to PDF using LibreOffice under user apache (i.e. when using PHP)

I installed libreoffice-headless and can convert documents when logged on into the shell as a normal user. [root@desktop ~]# yum install libreoffice-headless [root@desktop ~]# yum install ...
0
votes
0answers
180 views

Install error Opencv, CentOS 6.5 make error

I have followed the instructions from a previous question [question]: Install OpenCV in CentOS and I continue to get the following error. I have tried using cmake28 as well with the same result. make ...
0
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0answers
6 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 ...
0
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0answers
3 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 ...
0
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2answers
12 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 ...
0
votes
1answer
13 views

Unable to get kickstart file from http webserver?

I'm trying to get a vm up using a kickstart file. However, whenever the virtual machine initalize, it says it is unable to located the kickstart file from the location provided. Code to build vm: ...
-1
votes
2answers
763 views

Keeping users inside their home directory

I have a fresh install of CentOS and I'm currently setting up users. Their home directories reside within /home/username/ and I want to make it so that they cannot ls or cd outside that area when ...
0
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0answers
4 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 ...
0
votes
1answer
2k views

Start vino-server (VNC) before login on Linux CentOS

I'm using the default vino-server package to access my CentOS 6 workstation via VNC. It works ok, but only AFTER I locally login on the workstation. I need to have vino-server start BEFORE the login, ...
3
votes
3answers
9k views

Root Can't Delete Folder It Owns

Platform: CentOS 6.2 Shell: tcsh .............................................................................................................. EDIT 2 Brian Swift has pointed out a workable solution. ...
0
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2answers
4k views

vmware player won't run on CentOS due to missing /dev/vmmon, what could be the problem?

So I've tried installing vmware player 3.1.4 and 3.1.3 and both times had the same problem, when I try to load a VM I get the error "Could not open /dev/vmmon". When I ls /dev/ I can see there is no ...
0
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2answers
4k views

How to disable text overwrite mode in Netbeans (CentOS)?

Everytime I type some text, it is overwriting what I have typed. I assume that the mode is set to overwriting, I want to insert the text not overwrite it, but I can't disable it because my insert ...
0
votes
1answer
2k views

Install CentOS on top of Ubuntu (dual boot)

I have a Ubuntu desktop and would like to install CentOS on top of it as a dual boot. The machine has two drives, each with one partition. I don't want to risk harming my Ubuntu installation. I'd ...
2
votes
2answers
32 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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0answers
24 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 ...
1
vote
3answers
3k views

iptables syntax to forward remote desktop requests to a virtual machine on CentOS host

I can rdesktop into a VM running Windows XP hosted on my CentOS 5.4 machine from the hosting machine and work just fine using the private address (192.168.122.65), but I now need to allow remote ...
1
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0answers
8 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 ...
1
vote
2answers
607 views

NMAP Root different from Under Privileged user

When I use as root nmap -sP -n hostaddress I get the mac address of the hostaddress device but when I change to a different user with less privileges I do not get the mac address as a return. ...
2
votes
3answers
3k views

Cant get squid proxy to work

i need squid proxy on my centos server. But i just can't get it to work. I did yum install squid. Here is my squid.conf file (i removed all comments): acl all src 0.0.0.0/0.0.0.0 acl manager proto ...
0
votes
0answers
13 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__, ...
1
vote
1answer
12 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 ...
0
votes
2answers
40 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 ...
0
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3answers
781 views

CentOS 7 ESXi/VMware Hang on Boot

I installed CentoOS 7.0 1406 on a VMWare ESXi 5.5 hypervisor. I installed "Sever with GUI" and selected KDE. However on boot I get the following messages in under a second, before the process tops ...
5
votes
1answer
20 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 ...
4
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0answers
19 views

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

I am trying to setup a VPN server in CentOS6 64bit. I used the first 4 steps of following document to setup the server . ...
5
votes
2answers
13k views

Searching for grub configuration file in CentOS 7

Im searching for grub.conf file in CentOS 7. I cant find it with locate(I called updatedb before). Where does it stores? In older versions of CentOS I could find it.
0
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0answers
17 views

ffmpeg on centos 5: Encoder not found for output stream #0.0 [closed]

I have just deployed my application to test server running Centos 5.5. FFMPEG version installed there is 0.6.1. While attempting to transcode mp4 file to webm, I get missing encoder error: FFmpeg ...
0
votes
1answer
1k views

FreeRADIUS fails to start

I don't remember exactly what I changed, but I think I replaced the current Freeradius users file with one from a backup and I guess permissions got messed up somehow. I get this written to the logs ...
0
votes
1answer
9k views

How to know the folder size in CENTOS [duplicate]

I have a website on my server and I owns it. The size of the website is around whoping 170GB . This shouldnt be this much. At max it should be around 20GB . I dont know hat makes it that big. I am ...
0
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0answers
9 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 ...
1
vote
2answers
7k views

Version `GLIBCXX_3.4.15' not found in CentOS (in file /usr/lib/libstdc++.so.6)

I try to use a program and I get the following error. /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found Under /usr/lib64 the libstdc++ I see is libstdc++.so.6.0.13 (and a soft link). ...
0
votes
1answer
88 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 ...
0
votes
1answer
23 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 ...
0
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0answers
19 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 ...
0
votes
4answers
15k views

Copy from remote server to my laptop via ssh

I am on centos server (via SSH) and I don't want to open file manager to copy dump file. What comand whould I use (scp or what) to copy that file from remote server directly to my comp. like cp ...
3
votes
3answers
50 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 ...
1
vote
2answers
41 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: ...
1
vote
0answers
31 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. ...
3
votes
2answers
6k views

NIS failing on CentOS 6

Solved: See bottom. tl;dr: enable network manager. I'm trying to set up a CentOS6 system to login using NIS. I've set up the NISDOMAIN and for the files like passwd to be on the NIS server in ...
0
votes
0answers
17 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 : ...
0
votes
1answer
21 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 ...
0
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2answers
2k views

Creating a USB stick for installing centos 6.x using DVD1 and DVD2 iso files

First, we create 2 partitions on the USB stick that is let's say 16GB. first partition is let's say only 1GB and the second partition is the rest of what is available. after we "w" write the ...
0
votes
1answer
14 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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vote
2answers
5k views

Making Google Chrome 35 work on CentOS 6.5

I am trying to install Google Chrome 35 on my CentOS 6.5 . After googleing for few hours I found that Google has decided not to support EL 6 release anymore. Due to which I get following error. ...
0
votes
2answers
1k views

How to upgrade Ghostscript to 9.x on CentOS 6.5

Hi how would I go about upgrading Ghostscript to the latest version on CentOS 6.5 64bit? Yum installs version 8.7, we're having an issue with gs processes not ending so I'm hoping an upgrade may sort ...
0
votes
2answers
4k views

Enable simple password for root user on CentOS

I have a machine with CentOS and I want to enable a simple password for the root user. Something like 7 characters with 2 numbers or so... But I'm getting this error: BAD PASSWORD: it is based on a ...
1
vote
1answer
932 views

Group member cannot create files/directories in folder

I'm trying to set up my Linux server and I managed to get stuck at this point: I created a group called 'gitusers' and added a user to it (let's call him 'foo') I created a folder called 'website' I ...
0
votes
1answer
52 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.
0
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0answers
20 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 ...