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linux kernel

What Is SELinux?

What is SELinux? Why should I use SELInux on my CentOS or Red Hat Enterprise Linux server running on IBM hardware?
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Linux Find Out What Compilers Are Installed or Available On The System

How do I find out what compilers are installed under Debian / Ubuntu / Red hat Enterprise / CentOS Linux operating systems? How do I list all available compiler packages under Linux?
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HowTo: Linux Remove a Partition Name (/dev/sdXY entry) Temporarily

I'd like to remove /dev/sdc5 temporarily without deleting partitions on hard drive /dev/sdc under Linux operating systems?
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Linux: Find Out The Name Of DVD / CD-ROM / Writer / Blu-ray Device

How do I find out what the name of my CD-ROM or DVD device or Blu-ray device is under Linux operating system without using GUI options?
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Debian Linux: Install Virtualbox Virtualization Software

I'm a home user and how do I install VirtualBox virtualization software for my home use under Debian Linux 6 operating systems?
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Linux: Find Out Open Files [ Descriptors ] Command

How do I find out that how many files are open and how many allowed in Linux server operating systems?
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Linux Find Out Kernel Module (Device Driver) Version Number

How do I find the version of a kernel module (*.ko files located in /lib/modules/... directory) in Linux server?
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Install Iptables Firewall in Redhat / CentOS Linux

How do I install iptables under Redhat (RHEL) or CentOS or Fedora Linux operating systems?
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Linux Display Ethernet Bridge Name and Information

How do I display a list of bridges under Linux? How do I show info about the Ethernet bridge configuration in the Linux kernel?
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Debian Linux: Set a Serial Console

How do I set up a serial console on Debian Linux HP server for troubleshooting and login purpose?
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