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

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2
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1answer
45 views

How to Mount a Drive with Right Filesystem?

I am trying to mount the device /dev/xvdc on my CentOS system. When I run an fdisk command I get: Device Boot Start End Blocks Id System /dev/xvda1 * 1 33 ...
1
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0answers
38 views

CentOS 7 persistent routing issue?

I have Googled a lot but still can't find a working way on how to make some persistent routes on centOS 7. [root@asd network-scripts]# route -n Kernel IP routing table Destination Gateway ...
0
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0answers
11 views

Reinstalling Centos 6.4 over current Centos 6.4 OS

I am a newbie to Linux, and I am trying to reinstall Centos 6.4 from an AsteriskNOW CD I have because through an update I believe I lost the res_srtp.so module I installed from an external source. I ...
0
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1answer
32 views

Unable to install ATI Catalyst drivers under CentOS 7

I'm getting an error running ./amd-driver-installer-14.20-x86.x86_64.run # ./amd-driver-installer-14.20-x86.x86_64.run Created directory fglrx-install.xjgOcJ Verifying archive integrity... All good. ...
0
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0answers
26 views

$_GET getting cut off on server but works on local [migrated]

Our developers all work on their local machines and we have an issue where $_GET is getting cut off on the server but not on the local. (MAC, Apache/MySQL build -NOT MAMP) Is there a setting on ...
-1
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1answer
15 views

error while loading shared libraries: lib3ds-1so.3 [on hold]

I've downloaded a meshconverter binary file and i've tried executing it using ./binary_name but, it gives the following error: ./meshconv: error while loading shared libraries: lib3ds-1.so.3: cannot ...
1
vote
1answer
20 views

Keychain SSH Key Manager prevents SFTP login on CentOS

I installed keychain and added this to my .bashrc in CentOs to help manage my SSH Keys: /usr/bin/keychain --clear $HOME/.ssh/id_rsa source $HOME/.keychain/$HOSTNAME-sh So on SSH login I am prompted ...
1
vote
1answer
46 views

What is the default behavior of %install?

I am attempting to build an RPM using the -bb flag (%prep %build %install %check package). This is the output of the %install step: Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.2kgeNY + umask 022 ...
0
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0answers
8 views

Get KERN_DEBUG messages into syslog on rhel7/centos7?

I've been trying to get KERN_DEBUG messages logged to a file in centos7, but have had no luck. I can get them just fine from "dmesg," but not /var/log/messages or /var/log/dmesg Here's a MWE kernel ...
0
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0answers
34 views

CentOS 7 gnome Version Network issue

I just installed Cent-OS 7 with GUI Interface, but now I am logging in but I can not connect to network, in virtual machine I see it's connect with bridge (VMware) but I cannot connect to network, I ...
0
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2answers
49 views

CONFIG_LOCALVERSION (CentOS 6.5)

I am in /boot as "root". I edit config-2.6.32-431.el6.x86_46 and added my name to CONFIG_LOCALVERSION="John" But when I type uname -r is just shows the version, but not my name at the end. Am I ...
1
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0answers
20 views

Datanode in slave isn't working : Hadoop in CentOS

We've created a Hadoop cluster of two machines following these instructions: http://tecadmin.net/set-up-hadoop-multi-node-cluster-on-centos-6/ with the machines set as follows: hadoop1 = master ...
2
votes
2answers
40 views

Where to turn first when out of free space on Cent OS Web Server?

I am a very new Systems Administrator. I have a Windows background and am now a Jr. Systems Admin working with Cent OS 5. Our web server runs Cent OS 5 and uses PHP/MySQL for our web applications. ...
2
votes
1answer
45 views

How do I determine if the linux password was changed?

I'm developing an application which is distributed on a VM. The default password is always the same, but it's hash in /etc/shadow changes with every release. How can I programmatically (e.g., from a ...
-1
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0answers
100 views

What multimedia support should I use in centOS 7

I have recently installed Cent OS7. Its looks very nice at first. But soon realized it has a horrible multimedia support. Its own player cannot install the codecs it requires, which was much easier in ...
0
votes
1answer
21 views

Mounting Linux root fs NFS share on OS X?

I am attempting to share the root filesystem (/) of a CentOS 6.5 virtual machine to my OS X host system. While this should be relatively simple process, I'm hitting some kind of wall. Presently my ...
2
votes
1answer
14 views

autofs does not prompt for password when needed

I am trying to setup an automount point using autofs to mount a samba fileshare. I am using the following syntax in my auto.misc file mydir -fstype=cifs,rw,user=myusername ...
3
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0answers
14 views

How to get gnome to run /etc/gdm/PostSession/Default when using XRDP w/ VNC

I use Microsoft's Remote Desktop Client (mstsc.exe) to connect to a linux server with GNOME as my desktop. I've set up /etc/gdm/PostSession/Default to execute some steps on cleanup - which works when ...
4
votes
1answer
31 views

Transmission-daemon service spontaneously stops

I've installed, configured and ran transmission-daemon on my CentOS 6 machine using service transmission-daemon start This works nicely, and I can see the web interface on http://server.ip:9091 as ...
1
vote
1answer
109 views

What does eno mean in network interface name 'eno16777736' for CentOS 7 or RHEL 7?

Under consistent network device naming scheme, what does 'eno' stand for in network interface name 'eno16777736' for CentOS 7 or RHEL 7?
0
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0answers
45 views

What are the steps needed to get Redhat/Centos 7 to boot from an mdadm RAID?

I've spent a day on this. Figured it was time to ask. In the end I couldn't get around "Bad magic number in super-block ..." On an average install, my sda exits setup as an EFI. I'm cool with that ...
2
votes
2answers
102 views

find: File system loop detected

When I try to find a file using find -name "filename" I get an error that says: ./var/named/chroot/var/named' is part of the same file system loop as `./var/named' I ran the ls -ldi ...
1
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1answer
15 views

Mitigating BEAST Centos 6.5 Apache 2.2

I'm trying to get my system to pass a BEAST scan, it seems no matter what settings I use, an error is always returned stating that TLS 1.0 is enabled. I'm using Qualys SSL Labs to test ...
1
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1answer
135 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 ...
2
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0answers
30 views

lz4 Kernel Module in CentOS without recompiling

I just installed CentOS 7 on a vServer to play around with. Usually I use Debian. Since I had good results, I want to use zswap. I enabled it by putting zswap.enabled=1 zswap.compressor=lz4 in the ...
0
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0answers
19 views

IPSet - After installing get error message “Broken error report message received”

I get an error message after installation when I try to use ipset. "Broken error report message received". I am wondering what the cause of the issue is, may be some linux guru could point me into the ...
0
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0answers
12 views

Extensions “grayed out” on extensions.gnome.org

The site extensions.gnome.org loads OK, but all of the extensions appear to be "grayed out" (reduced opacity) as though they are not available. At the top of the site, I have "current version" ...
0
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0answers
13 views

After adding FORWARD NAT rules, cannot connect system eth0

I was trying to make bridge connection between wlan and eth on Centos.. I made Forward and NAT rules and then something wrong with System eth0 connection. It does not connect anymore.. Could you ...
0
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0answers
38 views

How to edit the “Internal Server Error” without redirecting to somewhere else?

On the web this is what I see: Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, ...
0
votes
1answer
12 views

Does yum's --enablerepo option only enable a repo for the current command?

Does yum's --enablerepo option only enable a repository for the duration of the current command? For example if the enabled setting in /etc/yum.repos.d/remi.repo file is set to 0 (disabled) and I ...
0
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0answers
47 views

Gnome 3 with multiple X Screens

Background I'm running Gnome 3 with three separate X Screens using the proprietary NVIDIA driver with Xinerama disabled in xorg.conf. (because Eclipse works better with it disabled) There is only ...
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1answer
29 views

How to diagnose the problem when Apache at random times shows “Not Found” on the web?

Suppose I reload my web site 100 times by holding down Ctrl+R on my keyboard. I notice once in a while Apache throws out a Not Found error message. If I refresh again, everything works normal ...
1
vote
1answer
57 views

Error while loading shared libraries: libdl.so.2 (and others), no such file. Libraries exist

Attempting to install a Java application from a .bin file. When opening the installer from command line, I see these errors: [boxen]# ./ZendStudio-5_2_0.bin Preparing to install... Extracting the ...
2
votes
1answer
23 views

Automated Install Fails due to CRC on /dev/sda

I'm running an X8STI-3F with an onboard LSI 1063E SAS controller running in IT mode. I'm trying to get an automated install going on it and I keep getting ddf1: physical drives with CRC AE516B03, ...
1
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2answers
71 views

Can I configure error notifications on a specific cronjob entry to go to a different email address?

I have multiple cron job entries configured under a single account: 0 0 * * * /foo/foo.sh 0 2 * * * /foo/foo2.sh 0 4 * * * /foo/foo3.sh Right now, if any of these encounter an error, an email is ...
-1
votes
1answer
24 views

How to edit all Apache's error codes DIRECTLY instead of using httpd.conf?

When a page does not exist.. this is what i see on the web : Not Found The requested URL /test was not found on this server. i know about : ErrorDocument 404 /test.html but i rather not use ...
1
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2answers
36 views

make an application startup automatically

I'm new to linux. Here I have an application deployed to linux, I want the app to startup automatically when the linux start up. I'm using an command like 'sudo ./start' to start the application. How ...
4
votes
3answers
311 views

How to disable beep sound in Linux CentOS 7 command line? [duplicate]

I just installed the basic Linux CentOS 7 (no desktop) and am experimenting with the system. Every time I make a mistake (entering things that the command line doesn't like), the computer beeps and ...
0
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0answers
11 views

How to use scanner drivers api in Linux shell script

Usually when scanning any page using Canon DR- 2050C scanner in windows it rotates vertical text paged to horizontal automatically for the easy reading of the user. In Linux we are manually scanning ...
0
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0answers
5 views

How to increase horizontal and vertical default spacing between icons on desktop at EL6

I have installed centos 6.5, by default icons are appearing very near to each other on desktop. From where I can increase space between them? Any clue? Which file is recommended to modify manually, ...
2
votes
1answer
44 views

rpm temp file question (rpm-tmp)

When installing an RPM on CentOS, I receive the following error message: /var/tmp/rpm-tmp.44492: line 578: [: too many arguments The trouble I'm having is that /var/tmp/rpm-tmp.xxxxx file is always ...
0
votes
1answer
53 views

How to login to same session with same user using xrdp and tigervnc-server?

I have Centos 6.4 with Gnome2, I'm accessing it through its xrdp (Version 0.5.0) and Xvnc TigerVNC 1.1.0 services. The clients machine are an Android tablet and a Windows 7 PC, these are using ...
1
vote
1answer
32 views

Is there an all-in-one command for RPM to downgrade a package to an older version?

I want to downgrade a couple RPMs. Is there a switch combination for that? For example, when upgrading, I usually run rpm -Uvh foo.rpm but my understanding is that the -U switch means that it only ...
3
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3answers
211 views

How to get memory used(RAM used) using linux command?

I am trying to retrieve memory used(RAM) in percentage using linux command. My cpanel shows Memory Used which I need to display on a particular webpage. From forums, I found out that correct memory ...
0
votes
1answer
29 views

mv deleted my directory. Why?

I was trying to correct the spelling on a directory, issued a mv command, and the directory is now gone. I'd like to understand--specifically--what happened. Here's the command I ran: mv ...
1
vote
2answers
175 views

Using Awesome window manager on CentOS 7

Awesome works fine on Fedora 19, so it should work on CentOS 7, right? Well, I tried and failed to get it to work. After a long time, I managed to compile it from source and set GDM to boot from an ...
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0answers
30 views

failed to start LDAP server centos 6.5

When I try the following command: $ slaptest -u I get this error: str2entry : invalid value for attributeType attributeTypes #0 (syntax 1.3.6.1.4.1.1466.115.121.1.3) slaptest: bad ...
1
vote
2answers
43 views

equivalent of update-grub for rhel/fedora/centos systems

In Ubuntu (and I guess in Debian too) there is a system script named update-grub which automatically executes grub-mkconfig -o with the correct path for the grub configuration file. Is there any ...
1
vote
2answers
46 views

Issue in Asterisk Performance

I am running FreePBX on DigitalOcean VM. I am facing some call dropping issue in Asterisk. When looking at "htop", "top" and FreePBX GUI, I see different results of CPU utilization and can't ...
0
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0answers
32 views

xrdp - Cannot connect from OSX

I just installed Centos 6.5 and put xrdp on it. I set up my iptables to allow it, and I can connect fine (both over local network and over the internet) from Windows 7, iOS, Android (using the ...