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linux systems

Linux / Unix Shell: Set Default Printer

How do I set default printer in my Bash shell under CentOS Linux or FreeBSD unix desktop 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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Reboot Linksys WAG160N / WAG54 / WAG320 / WAG120N Router / Gateway

I‘m using a Cisco Linksys WAG320N Router to connect my OS X UNIX and Linux systems to the Web. How do I reboot my Linksys WAG series router / gateway (modem) from UNIX / Linux / OS X bash command prompt or using a shell script?
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CentOS / Redhat: Turn On SELinux Protection

SELinux enforces the idea that programs should be limited in what files they can access and what actions they can take. However, by default it is turned off under RHEL / CentOS 5.x server? How do I turn it on? How can I enable SELinux on CentOS / RHEL 6 IBM server?
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Ubuntu Linux: Find Out Default Gateway

How do I find out default gateway IP address (default router IP assigned) for my Ubuntu Linux systems?
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CentOS Add Route Command

How do I add route (router IP 192.168.1.254) to my Centos Linux systems from the command line?
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Update Centos Linux

How do I update Centos Linux 5 software and apply security patches?
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Linux Suspend / Hibernate Functionality Support

Q. Does any Linux distribution support suspend or hibernate functionality?
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Accessing A Single iSCSI LUN From Multiple Linux Systems

Q. I’d like to share iSCSI storage with our 3 node web server cluster. How can multiple systems access a single iSCSI LUN under Linux operating system? Can I connect multiple servers to a single iSCSI LUN?
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Understanding /etc/group File

Can you explain me the format of /etc/group user group file under Linux / UNIX operating systems?
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