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

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1answer
19 views

OpenLDAP: Invalid syntax error when trying to add LDIF

I keep getting an invalid syntax error when trying to create a user in OpenLDAP (CentOS 7). This is a new install of OpenLDAP for testing purposes. So far I've managed to create a group called "Lab ...
0
votes
1answer
9 views

Installing a different php version for a subdomain

I have a cPanel dedicated server installed with PHP 5.2.17. I need to use php 5.3 version for my subdomain and the directory needed php.5.3 is /home/website30/public_html/blog/. Can anyone provide ...
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0answers
35 views
+100

Boot to different partition after restore of operating system

Let's say I have a server with one RAID with 3 partitions: P1 - 20G OS / programs P2 - 190G Data P3 - 20G unused If I ever need to roll back P1 to a previous state, and I've restored a past ...
-2
votes
2answers
14 views

Google chrome and chromium black window

When I update my google chrome or chromium to a version that is higher than 38 The window of the browser gets black functional square. It's all black even the top bar. I basically can't see anything ...
3
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2answers
73 views
+100

How to permanently disable root-password prompt for recovery mode, RHEL7

Note: I asked a similar quesiton concerning version 6 of these bundles here. Note that 7 uses systemd and may have a different implementation In the rare cases that a RHEL or CentOS 7 system is ...
0
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0answers
8 views

CentOS 7.1.1503 Minimal cannot install Gnome Desktop via yum groupinstall “GNOME Desktop”

I've installed CentOS 7 as a virtual machine using virtualbox. That part worked fine and I've got my network connection working properly. I've updated yum and that worked fine. It would seem that ...
0
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0answers
15 views

X will not start, Centos 7

I installed X/X11 and proceeded to install DWM on my X220. However, X does not start and I am having trouble figuring out why. I have posted the /var/log/Xorg.0.log file here: ...
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0answers
5 views

PAC Manager dependencies problem under Centos 7.1

I have downloaded PAC Manager from sourceforge.net/projects/pacmanager/files/pac-4.0/pac-4.5.5.5-2.x86_64.rpm/download When I try to do yum install on it, I get dependency errors at the end: Error: ...
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3answers
61 views

Installing python on CentOS

I am unable to digest the fact that Linux CentOS requires users to do so much just for installing Python. It was so easy installing python on Ubuntu. Also since CentOS comes with python2.5 it leads ...
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2answers
22 views

Python 2.7.10 on centos 6.6 but no IDLE

I installed Python 2.7.10 on my Centos 6.6 32 bit laptop but when I type IDLE at the prompt I get this [sinux1@horriblehost ~]$ idle ** IDLE can't import Tkinter. Your Python may not be configured ...
3
votes
1answer
586 views

Make RPM Satisfy Dependency Requirements of Other Installed Packages

So, I am installing a java app that I wrote which uses jnetpcap. This requires libpcap of at least v1.0.0. My CentOS 5.8 only has libpcap 0.9.4, which is required by other installed packages. I've ...
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0answers
17 views

why can't install centos-6.6 such the way as centos-7.0 from usb-hdd?

Here is the file structure in my usb-hdd. ├── boot │   └── grub │   ├── fonts │   │   └── unicode.pf2 │   ├── grub.cfg │   ├── grubenv │   ├── i386-pc ├── centos-6.6 │   └── ...
0
votes
2answers
2k views

httpd error: Address already in use: AH00072

I have a server, CentOs 6.5 which were installed xampp by a friend of mine. But I thought it's best to install apache, php and mysql from yum. I have it removed simply by using this #rm -rf ...
2
votes
1answer
2k views

Unable to use yum repos whether with baseurl or mirrorlist in CentOS 6.5

Since a couple of days, I'm unable to retrieve repositories data with Yum, in my CentOS 6.5 server. I did yum clean all a dozen of times, it emptied all but didn't solved the problem. I tried to ...
0
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2answers
3k views

MySQL service doesn't start

I have a CentOS 6.6, on the system there was a working Mysql and a mysql server already installed and a running mysqld service, but i needed a fresh install, so i did the whole removal through yum, ...
0
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3answers
33 views

Send mail at startup

I want to send a mail to myself at the restart of a server. We use AWS, and a restart results in a changed internal 10.x.x.x address. This address has to be configured in Postgres and elsewhere, and ...
2
votes
1answer
3k views

php5.6.2 installation with httpd24 ( apache version 2.4.10 ) on centos/rhel

using this repo : http://dl.iuscommunity.org/pub/ius/stable/CentOS/6/x86_64/ius-release-1.0-13.ius.centos6.noarch.rpm for php installation , and for apache i am using amazon linux repo current ...
0
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1answer
6k views

CentOS 6 not regestering new hostname on Windows Server 2003

I rebuilt a Windows 7 Workstation with CentOS 6.5. The Windows 7 had a host name aaa attached to domain ddd.local. The new CentOS hostname is bbb. When I try to ping it: $ ping bbb ping: unknown ...
3
votes
1answer
5k views

CentOS 6.5 Login Screen GDM Issues

I have a few issues with the GDM login screen. I am using CentOS 6.5 and installed GNOME. I was able to change the background of the login screen by replacing the default.png image on the system. ...
0
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1answer
22 views

How to find what custom config is used by iptables?

I need to open custom iptables config, and change old IP adrees to new. How i can find what custom config is used by iptables?
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0answers
10 views

How to get the values for “set root” in menuentry while setting password for GRUB2 on CentOS 7

I need to disable single user mode on my servers running CentOS 7. I read the RedHat documentation on what goes to /etc/grub.d/40_custom and how to encrypt the password and all but one details makes ...
2
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3answers
4k views

how to install kdm on CentOS 7

I installed CentOS 7, first I installed group "KDE Plasma Workspace", then I installed "GNOME Desktop", after that, I found only gdm existed. and which kdm returns nothing, yum provides kdm only ...
1
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1answer
521 views

How to block the social websites in centos through proxy?

I am installed squid in centos system. Blocked the social websites to all ip address through squid in my server systems. But someone access social websites through proxy websites, because lot of proxy ...
1
vote
1answer
2k views

Apache fails to start after changing cert and key

The problem appeared after I changed https certificate and key. sudo /etc/init.d/httpd restart shows this: Stopping httpd: [FAILED] Starting httpd: [FAILED] Apache's error_log: [Tue Dec 03 ...
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1answer
33 views

Centos 7 - firewalld - passthrough traffic with firewall-cmd

How can I allow traffic from some hosts network A (behind eth0 interface) through my centos 7 box to network B (some hosts behind eth1). network A: 1.1.1.0/24 network B: 2.2.2.0/24 Firewall ...
3
votes
2answers
73 views

Why CentOS 6 adjusts console width when running screen?

I run a console window through my PuTTY session. That console windows has a column width of 140. When I start the screen session, the console shrinks to 80 columns. I do not see this behavior on ...
3
votes
2answers
7k views

Installing Epel repository on CentOS fails

This has been working on my vagrant vm for a few month without any issues. I didn't change anything, it has been vagrant up and vagrant destroy'd several times before with no problems. But now it ...
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2answers
1k views

Why can't I access to my ftp server with my local user account?

First of all I'm using Centos 6 server, putty and wordpress.org I followed the instructions from this link to set up vsftpd and ftp in centos server. For the vsftpd.conf file, these were the changes ...
1
vote
1answer
19 views

How to change FTP home directory in Centos 6

I have created one Linux centOS 6 instance in Amazon EC2 and installed cPanel on it and started running my websites there . The issue i face was when i try to FTP to the instance with following config ...
0
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3answers
72 views

Which ISO file, vmlinuz and initrd.gz to use for installing CentOS from Multiboot USB?

I have created a multiboot bootable USB with GRUB and used it to install Debian 8.1 successfully. A multiboot USB is one that contains the ISO images of multiple operating systems, with GRUB being ...
1
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1answer
2k views

How can I extend VMware Partition on Centos 7 using GParted?

I've a problem with increasing a partition from 20GB to 120GB, VMDK file. Here is what I've done: using vmware-diskmanager to increase vmdk file from 20 GB - 120 GB. It's ok. download and boot from ...
5
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2answers
27k views

PHP 5.5.13 on CentOS 6.5 with yum

I've got problems with installing PHP 5.5.13 (last stable build) on a CentOS 6.5 (64 bit) machine, through yum. Can somebody guide me through this a little bit? It is not a part of the CentOS, EPEL ...
0
votes
1answer
19 views

Can't install gcc on CentOs 7.0

I have to install gcc on a server that does not have any access to internet due to security issues. I tried ftping the source tar and building it on the server, but it requires gcc to compile gcc. So ...
1
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1answer
659 views

Can't find vgaswitcheroo directory in CentOS6

I've installed CentOS6 on my laptop, which has a built in VGA and a discrete (AMD) VGA. I used to switch AMD video off in other distro's (e.g. Fedora, Arch) using: $ echo OFF > ...
7
votes
10answers
41k views

How to extend CentOS 5 partition on VMware?

I have a CentOS 5 virtual machine and I added 20GB more to disk size. How do I initialize and extend the available space? I'm new to Linux, so what should I do? I tried loading GParted as well, ...
18
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4answers
58k views

Why the default eth0 interface is down by default on CentOS?

I am already a little bit familiar with Linux distros like Debian or Ubuntu (yeah, very similar) but I wanted to try Red Hat based - CentOS 6.2 . I have installed it on my Windows 7 host in virtualBox ...
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0answers
24 views

LFTP exclude file extensions

I am trying to mirror directories with lftp but I don't want to download filetypes that are notoriously large like .mp4 and .swf. But I am having trouble with the regex - and seeming like the ...
1
vote
1answer
28 views

Really need to understand CENTOS fdisk -l output

I am running centos on a server and the HDD config for my server is 2 1 tb drives with 32 gb RAM. Now when I use fdisk -l command, i see the below output which is really not understandable. Could ...
0
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0answers
23 views

CentOS 7: Installation not starting

A couple of days ago, I downloaded CentOS 6 and played around with it to get a feel of this OS. I finished with what I wanted to learn and decided to go ahead and do a fresh install of CentOS 7. Heres ...
2
votes
1answer
36 views

How to permanently disable root-password prompt for recovery mode, RHEL6

In the rare cases that a RHEL or CentOS 6 system is prevented from booting by (for instance) an improper shutdown, or a forced fsck-check failure on boot, the console will prompt the user for a root ...
1
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2answers
4k views

Named service won't start - seems to be caching errors

When I try to restart / start the named service, it keeps failing. service named restart Results in:- Stopping named: [ OK ] Starting named: Error in ...
0
votes
3answers
24 views

How to delete files from a directory based on the contents of a gzipped tar file?

Given that I: have a directory that contains over 1000 files have a gzip'ed tar file that contains a subset of those files (x.tgz) What is the single command line (if it is possible) that will ...
2
votes
3answers
4k views

Issues in XRDP installation on Cent OS 6.5

I already went through the similar issue tracked in Installing XRDP on Cent OS 6.5, however it haven't helped me to fix. I am using MAC and trying to install XRDP in CentOS release 6.5 (64 bit). So ...
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0answers
11 views

Centos 7 - Cant download RPM (Trying to connect with IPV6)

i am normaly an debian/ubuntu guy but i wanted to test the foreman on Centos 7. but I am having some trouble with the RMP command. I have tried to disable IPV6 with echo 1 > ...
18
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5answers
93k views

How to create a FTP user with specific /dir/ access only on a Centos / linux installation

So I'm on a VPS - CentOS Linux installation. I have vsFTPd on the server. I currently have SFTP access to the server via my root user, but am now trying to create a new user with FTP access to a ...
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2answers
2k views

How do I install Exim and Horde on Centos 7 with MariaDB 10?

I can't find a guide for this (they are old and don't work) and I can't seem to manage to install it. I can't install Postfix because of its dependencies, so I'm going with Exim, which I installed ...
1
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1answer
1k views

Ffmpeg problems on centOS 5.8 64 bit

I did install ffmpeg with winff, unsuccessfully when I try converting avi to x264, it says I don't have it. When I try to convert mp4 to Xvid I get unknown encoder 'libxvid'. It's like nothing really ...
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0answers
13 views

Modprobe vboxdrv failed centos

I am trying get Virtual box running in Cent os7 So far the vbox kernel compiles but will not start I'm just told "modprobe vboxdrv failed, please use dmesg to find out why" I have looked at "dmesg" ...
1
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1answer
704 views

dm-0: WRITE SAME failed. Manually zeroing. Centos 7.1 on VmWare ESXI 5.5

I've got a error when system start on 2 VM's. dm-0: WRITE SAME failed. Manually zeroing. OS: CentOS 7.1 VmWare ESXI 5.5 1-st VM has LSI Logic Parallel type for SCSI controller on HDD Datastorage. ...
1
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1answer
38 views

tar ignoring “newer” option

How do I get tar to only include files newer than a certain date? I have tried the following, both of which include older and newer files (today is 2015-07-20): tar -cj -N 2015-07-07 directory | tar ...