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Use export Command in Linux / Unix

How do I use export command under a Linux or Unix-like operating systems to set variables on a bash shell?
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HowTo: Linux Mount devpts File System On /dev/pts

How do I mount the devpts file system under Linux operating systems using bash command prompt? How can I mount the devpts on /dev/pts using /etc/fstab file under Linux operating systems?
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Linux: Bash Get Time

How do I get the system time in BASH? How can I get the Linux system using bash shell?
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Linux: Use smartctl To Check Disk Behind Adaptec RAID Controllers

I can use the “smartctl -d ata -a /dev/sdb” command to read hard disk health status directly connected to my system. But, how do I read smartctl command to check SAS or SCSI disk behind Adaptec RAID controller from the shell prompt on Linux operating system?
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SUSE Linux: Install RPM File And Packages

Suse Linux is similar to RPM based Linux distro such as RHEL but does not comes with yum command. How do I install a rpm file or packages such as Apache or PHP under Suse Enterprise / OpenSuse Linux?
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SUSE Linux Restart / Stop / Start Network Service

How do I start / stop or restart networking service under Suse Linux without rebooting the server?
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Linux lsscsi: See List Of All SCSI / SATA Hard Disks and CD / DVD Drives

How do I see attached scsi devices for my IBM server powered by Red Hat Enterprise Linux 5 or 6? How do I list all SATA hard disk names under Debian or Ubuntu Linux?
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HowTo: Linux Remove a PDF File Password Using Command Line Options

I get lots of e-bills (utility, telephone, Internet, mobile, cable and so on) in a PDF format for my small business and I need to forward those to my accountant. However, all PDFs files are password protected. I don’t want to share my account password with anyone to just open my bills. Evince is a PDF document viewer capable of displaying password protected files but it cannot remove the password. How do I remove a password from all PDFs under Ubuntu or any other Linux distribution in a batch mode?
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Linux Install Google Chrome Browser [ Ubuntu, Suse, Debian, Fedora ]

How do I install Google Chrome browser under Linux operating systems? How do I install google-chrome-beta_current_amd64.deb or google-chrome-beta_current_x86_64.rpm file under Linux?
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BIND DNS: Disable Dynamic Updates

BIND9 dynamic updates allow remote servers to add, delete, or modify any entries in my zone file. How do I disable dynamic updates under BIND 9 (named) for any zone?
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