Red Hat Enterprise Linux (RHEL) is a commercially supported Linux distribution.
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26 views
How to generate kernel crash dumps? [duplicate]
I have X running on terminal 1 and terminal 2 on my RHEL 6.4 system. If i randomly switch between tty1 and tty2, the system crashes. I need to generate crash dump file to analyze the issue. How can I ...
2
votes
2answers
36 views
What alternative backends does sudo support and how is it configured?
When preparing for the Red Hat Certified Engineer certification examination, I came across this quote in my study notes about the sudo command.
By default, the policy is maintained as a flat text ...
2
votes
1answer
80 views
Switch between windows & tabs in Linux? [closed]
do we have keyboard shortcuts to switch between tabs or windows, am looking for shortcuts similar to of those available in windows (ctrl + tab to switch btw tabs & Alt + tab to swtich btw ...
1
vote
1answer
28 views
How to use 32 bit compiled shared object (.so) file on 64 bit RHEL?
I have a shared object file libfault.so for my 32 bit compiled application on RHEL 6.4.
I want to preload this file while starting my application. I have placed it in /usr/local/lib/ directory.
But ...
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0answers
18 views
PUIAS 6.4 four monitors working xorg.conf
Fox,
I would like to make this post in order to save the time to people who would like to use 3-4 monitors on PUIAS 6.4 (RedHat 6.4 clone). My Lab just got some Dell Precisions T1650 with few ...
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votes
1answer
36 views
Cannot create new service with xinetd in RHEL6
I've installed the Nagios on My RHEL 6.4(x64) machine. and i added one more module name called "NSCA" for some central monitoring solution.so the setup required add NSCA service detail under xinetd.
...
1
vote
1answer
33 views
Gibberish Characters in Redhat
On one RHEL Server I installed Arabic Language support but if browse some Arabic or Urdu Language sites it is showing gibberish characters.
So I downloaded some fonts and copied them under ...
9
votes
2answers
148 views
How to prevent fork bomb?
To prevent fork bomb I followed this http://www.linuxhowtos.org/Tips%20and%20Tricks/ulimit.htm
ulimit -a reflects the new settings but when I run (as root in bash) :(){ :|:&};: the VM still goes ...
7
votes
2answers
116 views
Temporarily change time
I need to test aspects of my software that only happen at certain times of the day. Rather than waiting whole days (and getting here at 2:00 AM), I'd like to change the time.
But I'd rather not ...
-2
votes
1answer
54 views
How can we make the server overloaded? [closed]
In college systems, the server running the rhel, and the nodes which are used by the students are running the windows xp are connected to the server by LAN cables.
But I want to slowdown the server, ...
0
votes
2answers
62 views
how to add line in a /etc/sudoers file with the help of shell script (50servers)?
Anyone can help me with shell script, I want to know script which can edit /etc/sudoers file and let me add {{{{{userid ALL=(root) ALL}}}} to 50 server I have on same network?
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votes
1answer
61 views
problem with installing packages
I get these messages when I run this command:
# yum install pcre pcre-devel php php-common php-gd php-cli php-mysql flex bison
Loaded plugins: product-id, refresh-packagekit, security, ...
4
votes
1answer
80 views
How can I make the eth1 up and always available for remote access, where eth0 will be used for host to host IPSec VPN?
I am running Amazon EC2 instance with Red hat enterprise linux, where I have two network interface.
Now:
eth0 is currently active having public ip where I am remotely logged in via SSH, to ...
0
votes
0answers
35 views
Umask for root and other system users
If I am not wrong, this is how umask is calculated.
for dir, 777 - 022(root's umask value) = 755.
for file, 666 - 022(root's umask value) = 644.
Now, where this umask value is defined? Is it the ...
1
vote
1answer
39 views
Can I use yum to manage a “package” installed from source
I am running CentOS 5.5. I need to upgrade some packages to newer versions, unfortunately they're not available. I am stuck building from source.
Is there a simple way to use yum to manage ...
