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

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11 views

IP Adress is showing website instead default apache page

I have a VPS server with DirectAdmin. The MAIN IP adress of the server is : 149.210.150.132. Now I have 4 users in DirectAdmin and everyone have their own IP Adress. Like this user: predon have the IP ...
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0answers
6 views

Vagrant + CentOS 7 - Apache fails to start, I don't see an error

I'm spending some time trying to provision a Vagrant box running from a CentOS 7 base box. After a fresh install of Apache, I am able to hit the server over http and restart the server, but as soon ...
2
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0answers
8 views

Where can I find gtkglextmm for centos 6?

Yet another "where can I find" question. I'm looking for gtkglextmm, the gtk/gl C++ wrapper, for CentOS 6. On my Ubuntu system, I know you can get it with sudo apt-get install ...
2
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0answers
7 views

pppd issue over serial cable

I'm trying to set up a ppp connection between 2 computers via serial cable, to enable TCP/IP over serial. Computer1 -> USB-Serial Converter -> Serial Cable -> Serial port of Computer 2 On computer ...
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1answer
28 views

How to extend swap space [on hold]

I want to extend my swap space by 20 gb Current output of swapon -s: Filename Type Size Used Priority /swapfile file ...
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1answer
23 views

Nginx says open() “/etc/nginx/conf.d/foo.conf” failed (13: Permission denied)

Here is what I have in ls -al /etc/nginx: total 52 drwxr-xr-x. 4 root root 4096 Jul 28 04:16 . drwxr-xr-x. 78 root root 8192 Jul 28 03:37 .. drwxr-xr-x. 2 root root 26 Jul 28 03:55 conf.d ...
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0answers
13 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 ...
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18 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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16 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: ...
0
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1answer
22 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 ...
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2answers
20 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 ...
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21 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 │   └── ...
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2answers
25 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 ...
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1answer
60 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 ...
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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 ...
0
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3answers
36 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 ...
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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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1answer
34 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 ...
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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 ...
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1answer
10 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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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 ...
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0answers
25 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
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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 ...
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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 ...
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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 ...
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0answers
15 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 > ...
3
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2answers
85 views

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 ...
2
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1answer
38 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 ...
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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" ...
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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 ...
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1answer
35 views

Writing an install script for CentOS

Every time I deploy a VPS server, I install VNC server. But every time I have to do this: yum groupinstall Desktop yum install tigervnc-server yum install vnc yum install firefox (etc.) Can I ...
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0answers
12 views

longman contemporary dictionary in centos

I installed longman contemporary dictionary in centos 6.6 via "sh setup.sh" it is done successfully but when I run it by ./ldoce5 I have the first page but I can't select any icon (any error) I mean ...
0
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1answer
39 views

How to create Swap from already created mount points

I have prepared a CentOS 6.5 with all mount points at formatting time, including swap. Now, when I am trying to run command swapon, it shows 0 0 0. And when I am trying to create it again using ...
2
votes
1answer
51 views

Yum error while installing MongoDB on CentOS?

I am using Centos 6.6 (x86_64) Trying to install most stable mongodb version available. but I am stuck with this error (which might seem repeated but none of the previous answers worked for me) ...
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0answers
30 views

EXT4 Journaling - Problem

Basically my root (/) ext4 partition keeps being mounted as read-only when I apply internal journaling feature. I understand that this should be default, but today I had been trying to apply external ...
1
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1answer
30 views

Cent OS 6.6 enable Plaintext authentication on dovecot and postfix

A customer of mine wants to use gmail as their default mail client but I have rolled forward to a new CENTOS server version (6.6, ok it's not "new" new) and the dovecot and postfix settings are ...
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3answers
73 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 ...
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0answers
9 views

Can't get DHCP on ovs port automatically

On centos7, I have disabled network manager in order to use OVS. however, I wish to get my IP address through DHCP on my port br-ex; if I edit /etc/sysconfig/network-scripts/ifcfg-br-ex to include ...
0
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1answer
22 views

virsh and creating storage pools - What is sourcepath “- - - -”

I am running CentOS 7 and was following a chapter in a book dealing with virtualization and creating storage pools. I successfully ran the following command, but I'm not sure what setting - - - - as ...
0
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1answer
47 views

How to install bower on CentOS 7?

I am trying to install bower on CentOS 7, after installing node.js. To install node.js I followed these steps: Step1: wget http://nodejs.org/dist/v0.10.30/node-v0.10.30.tar.gz Step2: tar xzvf ...
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3answers
65 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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1answer
22 views

CentOS 6 Cron Logging Without Postfix

On a CentOS environment I am setting up, I have no need for email of any kind. I would like to simply disable postfix entirely, however this also disables logging from cron which I do need to have. ...
0
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1answer
14 views

Keyboard binding for “activities overview” in Gnome3 on CentOS7 only brings up applications menu

I found a "Gnome Help" web site that listed the keyboard shortcut for the "activities overview" screen, but I found that wasn't working. I then found the "Settings"->"Keyboard"->"System" preferences ...
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1answer
19 views

How to determine or set keyboard shortcut for activities view in gnome3 on centos7?

Is there a way in Gnome3 on CentOS7 to list the actual keyboard shortcuts for things like the activities view? I can find lots of web pages that tell me what they should be, but I'd like to know for ...
0
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1answer
26 views

NTFS formatting disabled while using Gparted in CentOS 7

I am using GParted for formatting my usb-device(a pendrive). And, I unmounted my device using the GUI program itself. The device doesn't show mounted anymore. When I try to format my ...
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0answers
5 views

How to run Padre after installing via cpanm?

./cpanm Padre It looks like I could successfully install Padre. But.. How can I start it? I installed it with a normal user, not root.. where is the start script? [user@notebook ~]$ find . -type f ...
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0answers
18 views

Zimbra Bind IP address change

My client physically moved their CentOS 6.5 servers to a different data center with a new set of IPs. Before moving, they configured Zimbra 8.0.7 from Admin console with new bind address where they ...
0
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0answers
21 views

ffmpeg libass centOS 5.11

Hi i just got a vps server and it has CentOs 5.11 and kernel 2.6.18 and I need to install ffmpeg on it with --enable-libass. So I have tried to compile but I'm having problems with libass because of ...
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1answer
29 views

What are the default file permissions in CentOS?

What are the default file permissions in CentOS 5, CentOS 6 and CentOS 7? Is there any difference in the default file permissions between these OSs?
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1answer
26 views

Connect to SFTP using Centos Linux VM

I have Centos running a Linux VM on a Windows machine. I'm not able to connect to the VM using WinSCP with sftp on port 22 or ftp on port 21. I have Subsystem sftp ...