linux systems

How do I set default printer in my Bash shell under CentOS Linux or FreeBSD unix desktop operating systems?

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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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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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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?

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

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

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Q. How do I list all currently running services in Fedora / RHEL / CentOS Linux server?

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