Tagged Questions

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

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54 views

Show Plymouth Boot Screen failed

I am not getting proper information about how to solve this thing. I am using Centos 7 i've installed one open source called OpenERP. all services are running now. I have one issue i.e. ...
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1answer
63 views

Cannot log into CentOS 7 as root

I have a CentOS 7.0 VM, running under VirtualBox. Set it up a few months back, nice to get it back, but not crucial. I have successfully followed the instructions from RedHat, but they seem to have ...
0
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1answer
70 views

how to install turnserver on centos 6.5 32bit

I get the following error while turnserver on centos 6.5 32bit. How can I solve it? [root@d turnserver-3.2.2.1]# ./install.sh libc.so.6()(64bit) is needed by libevent-2.0.21-2.el6.x86_64 annot add ...
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2answers
432 views

Where / How to install CentOS 7 for 32 bit system?

I have windows 7 with 32 bit system, and previously I used CentOS-6.5-i386-minimal to run centos on my virtual box, but now I would like to run CentOS 7 and it seems (if I am not mistaken) that there ...
3
votes
1answer
122 views

How to setup a KDE/Gnome-Remote-Server with CentOS 6

I am planning to setup a "terminalserver" for my *nix based administrators. I would like to have a number of users, either with gnome or with kde (based on their likings) who will connect to the ...
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0answers
33 views

Centos List connected computers/devices on network

I'm running on a CentOS and I would like to check to see what computers/devices are connected to my network. How would I be able to do that. I've tried nmap but I must have used it in the wrong order ...
0
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1answer
79 views

Grant FTP access to specific directory

I have setup CentOS on a box on my local network and installed httpd, PHP, Webmin (and UserMin) etc. I opted for ProFTPd and have opened up ports for FTP, Webmin and Apache. I can now access Webmin ...
1
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1answer
55 views

is asus Q87T motherboard compatible with Redhad Linux?

is ASUS Q87T motherboard compatible with RedHat Linux ?? I can't get answer both the two links below: http://www.asus.com/Motherboards/Q87T/specifications/ ...
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2answers
49 views

How to create my arbitary output? [closed]

How can I write a shell script that give me following output: Today is: Thursday, November 05, 2014 The IP for localhost.localdomain is: 192.168.141.140
2
votes
2answers
42 views

How to connect to a VPS without SSH.

I have a fresh VPS I just bought, for playing only. No risk of any kind involved, so I noticed that due to my slow connection I have to wait seconds to finish writing commands and opening/closing ...
0
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1answer
10 views

Veritus volume manager perl not avaliable

I am trying to install veritas volume manager on Centos 6.5 while running the script its throwing me Cannot find perl to execute
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0answers
81 views

Rolling back EPEL 7

I have a fresh installation of CentOS 6.5, and I accidentally added the EPEL 7 mirror, and performed a yum update. Is there an easy way to roll this back and add EPEL 6 instead? Update I ...
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0answers
81 views

Keyboard doesn't working in boot menu on VirtualBox

I've just trying use CentOS 6.5 LiveCD on VirtualBox but all my attempts fail. When the system starts I see "Automatic boot in 10 sec ..." - if I do nothing, the message disappears after 10 seconds ...
1
vote
1answer
78 views

How to install PySide package for CentOS 7

I'm trying to install PySide on CentOS 7. Seems pretty straightforward, enable EPEL repo, and install. Except that EPEL doesn't seem to contain a PySide package (yum install python-pyside fails with ...
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0answers
32 views

pip won't find system package on a custom location

I am working remotely on a CentOS system via bash with an account without administrator privileges and I need to install the Python package matplotlib. I can do this using pip install -t ...
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1answer
111 views

How can I update BASH [duplicate]

How can I update BASH? I noticed that there are version 4.2.45 env x='() { :;}; echo vulnerable' bash -c "echo this is a test" this is a test cat /etc/redhat-release CentOS release 5.11 (Final) rpm ...
0
votes
1answer
51 views

Cannot use free space in filesystem

I want to install a program but it says that there is not enough free disk space more than 11 GB although there is. df -h shows: Filesystem Size Used Avail Use% Mounted on ...
-1
votes
1answer
86 views

IP Address not populating in eth0 in ifconfig

One of my servers at work does not connect back to us (so I can't SSH into it). I asked the person on the site to do numerous things: sudo /sbin/service network restart It comes up with this: I ...
0
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1answer
117 views

service command does not work in centos 7

I used to use service command for restarting, reloading, and checking status of service on centos 6.5 like below: $ sudo service nginx restart OK $ sudo service nginx status ...
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0answers
22 views

server can't read newly installed centos 6.1

I have a server that has 12TB and I used RAID 1+0(RAID 10) so my logical drive in the server is now 6TB + (6TB Mirror) when I install the CentOS v.6.1 in the server, the installation has no problem at ...
0
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0answers
38 views

Running centos on a virtual machine as a webserver

I have taken the VM image of our webserver (CentOS/jboss) and would like to run it locally on my mac as a virtual machine so I can use it as a webserver when I am offline - I am using VM Fusion. The ...
2
votes
1answer
204 views

Why does my systemd unit fail to run on server reboot?

I'm having troubles getting a systemd service unit file to run correctly when the server reboots. This server is a fresh CentOS 7.0.1406 install. I'm trying to set it up with multiple Apache httpd ...
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2answers
62 views

How to start teamspeak server on reboot as specific user

Linux version on the server is Centos 7.0. Teamspeak server runs with this command: ./opt/teamspeak3-server_linux-x86/ts3server_startscript.sh start My server doesn't have 100% uptime. Therefore, ...
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3answers
57 views

Change login user account when accessing server through Putty

I am a very new systems administrator. I have been hired in as a junior and came from a Windows administration back ground. I have about one month of Linux experience. I have a lot of resources that ...
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0answers
68 views

Can call login command from terminal

I want to create a user using useradd from root in my terminal window, after it I call passwd to set user's password. So I cant call login username because when I call it from terminal it closes ...
1
vote
1answer
230 views

Whitelist IP's in CentOS 7

I want to setup CentOS 7 firewall such that, all the incoming requests will be blocked except from the originating IP's that I whitelist. And for the Whitelist IP's all the ports should be accessible. ...
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0answers
98 views

Centos 7 - Encrypted installation won't boot

I installed CentOS 7 netinstall (minimal installation) on a VServer with the following partitions: /boot - 200MB - XFS / - 50GB - XFS Encrypted swap - 512MB - swap Encrypted I ...
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0answers
39 views

what would cause runcobol to fail for certain users?

I have RM/COBOL Runtime - Version 7.10.00 running on a CentOS 6.5 box (VM) This CentOS allows SSH access to certain domain users by authenticating their group with the local domain controller. These ...
0
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1answer
128 views

CentOS 7 Live CD?

On this video at 1.09 I see CentOS 7 Live CD which allows to start CentOS directly from CD without installing it. How can I make such disk? I've downloaded .iso file from official web site, burned ...
1
vote
1answer
341 views

How display log messages from previous boots under CentOS 7?

Executing journalctl under a CentOS 7 system just prints messages generated after the last boot. The command # journalctl --boot=-1 prints Failed to look up boot -1: Cannot assign requested ...
2
votes
1answer
40 views

Yum installation of package specific modules

I was playing around with texlive package recently and found out that there is a way to install tex style packages with yum install 'tex(package.sty)' command. I've never seen package name was ...
0
votes
1answer
77 views

How to open root directory on second HDD?

My situation is very specific. I've applied chmod -R 777 / on my CentOS 7 server, so my system screwed up on next reboot. I took server HDD home and connected it via SATA cable to my home PC. Now I've ...
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0answers
76 views

Does PHP --without-unixODBC and --disable-pdo conflict with installed modules?

I've been trying to get PDO ODBC working on CentOS 6.5 so that I can connect to a Microsoft Access .mdb database. I've never used any form of linux before but so far I've managed to install PDO and ...
1
vote
1answer
29 views

showkey -s doesn't display scancodes in CentOS 6.4

I'm running CentOS 6.4 on vagrant and then doing a vagrant SSH into the box. I've been trying to get backspace to work correctly for a while now (as chronicled here: Centos Terminal Configuring ...
0
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0answers
35 views

loadkeys has (almost) no effect

I'm running CentOS 6.4 on vagrant and then doing a vagrant SSH into the box. I've been trying to get backspace to work correctly for a while now (as chronicled here: Centos Terminal Configuring ...
2
votes
2answers
81 views

Re-partitioning /home partition in CentOS

I have a CentOS 7 system with a /home partition that is too large. I wish to reduce its size but it's XFS so that's pretty much impossible. Since I don't have much user data anyway (only 1 user ...
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3answers
110 views

auto creation of bash profiles?

Following the instructions at this nice walkthrough here. I have successfully configured my CentOS 6.5 Server to authenticate with my domain. Additionally, it only allows domain users of the group ...
0
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2answers
179 views

vgdisplay shows 0 free PE/size

I'm trying to configure a CentOS HA system with 2 nodes, with DRBD for replicated storage. I'm following the "Clusters from Scratch" guide, and at the DRBD portion, I need to create a partition for ...
1
vote
1answer
53 views

Static networking between CentOS and Windows Server 2008

I am trying to set up static networking between my Linux VM and Windows Server 2008 VM. One thing I am confused about is that currently the Linux box only displays an eth0 adapter when I type ifconfig ...
1
vote
1answer
61 views

Access old version of file

I was working on a file locally in Notepad++ and uploaded it via FTP to server - during the upload something went wrong without me realising and the uploaded file is now empty (size shows as 0). I ...
2
votes
2answers
676 views

The name > org.freedesktop.PolicyKit1 was not provided by any .service files

When attempting to launch system-config-users from command line, I get the following warning, and the tool does not open. I'm using CentOS 7 with Mate 1.8.1. WARNING **: Error enumerating ...
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votes
1answer
150 views

Delete all mails from inbox using linux command prompt

How can I delete emails from an individual email account? e.g. how can I empty userxyz@mydomain.com? I know the following: /var/spool/mail/mydomain /var/mail/mydomain I have many inboxes some of ...
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0answers
42 views

SNAT with firewall-cmd?

I have an interface with multiple IP Addresses (on CentOS 7), which is in zone "external" (with masquerade on). I want to specify that, if a connectiona attempt to a specific address goes out, to use ...
0
votes
2answers
93 views

How to run screen as non-root user in CentOS 5

I've followed this guide http://centoshelp.org/resources/scripts-tools/a-basic-understanding-of-screen-on-centos/ Now, seems like I am having trouble running screen with non-root user, because ...
0
votes
1answer
31 views

Memcached on a webserver

We host a Magento webshop hosted by Amazon EC2, and we have speed issues. We're currently looking at moving to another provider. We found one hosting provider where we have a test account now. Speed ...
1
vote
1answer
84 views

CentOS 6.5 : machine with more that 1 TB RAM => “no free pages available” on boot

I have a upgraded a server with more than 1 TB of RAM, and it is unable to boot. With 768GB of RAM all is working fine. I got the following message : Trying to allocate 1005 pages for VMLINUZ. ...
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0answers
22 views

Installing an OS from source on separate partition. Is this possible?

I'm trying to install Minimal CentOS on a small partition and the installer quits and brings me to a prompt every time. It says something like it can't find initrd.img. I was wondering if I could ...
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votes
1answer
189 views

Static IP for Wifi Centos 7

Can someone explain to me how to setup a static ip for wifi on CentOs 7? This the configuration file I have for the network using DHCP: ESSID="Network name" MODE=Managed KEY_MGMT="key type" ...
0
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0answers
77 views

Unable to install CentOS 7

I have been trying to install CentOS 7 on a computer with no success so far. I am able to boot the live USB media, but the problem is the CentOS installation referring the HDD always as /dev/sdb. No ...
0
votes
1answer
46 views

How can I see settings of the email server?

I have root access to a Linux server (CentOS 5.10). I want to see the email server's settings such as whether SMPT is working, wheter there is an email server, port number, does it require SSL, what ...