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Scientific Linux

CentOS / RHEL / Scientific Linux 6 Enable & Install EPEL Repo

Extra Packages for Enterprise Linux (or EPEL) is a Fedora Special Interest Group that creates, maintains, and manages a high quality set of additional packages for Enterprise Linux, including, but not limited to, Red Hat Enterprise Linux (RHEL),CentOS and Scientific Linux (SL). How do I enable it under CentOS 6 or RHLE 6 server?
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CentOS / RHEL: yum Command Reinstall Package

I accidental deleted the configuration file stored in /etc/ directory and the latest backup were made yesterday. How do I resinstall the package using the yum command under RHEL / CentOS Linux server?
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CentOS / RHEL: Install gpass Password Manager For GNOME2 Desktop

I've recently swiched from Ubuntu Linux to CentOS / RHEL / Scientific Linux version 6 gnome desktop. However, I'm unable to find the gpass the password manager for GNOME2 desktop in repo. How do I install the same under RHEL 6 or CentOS or Scientific Linux 6 or Fedora Linux 15?
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CentOS / RHEL: Delete Old Yum Repositories and Configuration Files

How do I delete old yum repositories and configuration files under RHEL 5 or CentOS Linux server?
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yum Command Hangs on Running Transaction Test Message Error and Solution

When I run 'yum install package' or 'yum update' commands the yum command works normally until Running Transaction Test and hangs until the yum process is killed manually using the kill command. How do I fix this problem under CentOS Linux 5.x AMD64 running on HP server?
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Redhat / CentOS: Install Internet whois / nicname Client

How do I install whois client to see whois information about domain and ip address using command line options under Fedora / RHEL / Redhat / CentOS / Scientific Linux?
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RHEL 6: Change OpenSSH Port To 1255 ( SELinux Config )

I've edited /etc/ssh/sshd_config to change the port number:

Port 1255

However, I'm getting an error as follows:

sshd[26792]: error: Bind to port 1255 on failed: Permission denied

How do I change default OpenSSH port number from 22 to 1255 under RedHat Enterprise Linux server version 6 and SELinux?
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RHEL 6: semanage SELinux Command Not Found

I'm trying to use semanage command to configure certain elements of SELinux policy without requiring modification to or recompilation from policy sources under RHEL 6 server. But, I'm not able to find out this command and/or package name. How do I install semanage command under RedHat Enterprise Linux?
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x86_64 Linux Error: gnu/stub-32.h Missing Error and Solution

I'm getting the following error while compiling application under CentOS / RHEL / Fedora Linux 64 bit edition:

/usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h:

No such file or directory

How do I fix this error and compile my applications using gcc under RHEL / Fedora / CentOS Linux 64bit system?
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