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March 2, 2022 – 2:00 pm

Books have been written on the subject of awk and sed. Here’s a small sample of commands I put together over the years that are useful for everyday system administration tasks. Most of these tasks …

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Networking

Unix and Linux network configuration. Multiple network interfaces. Bridged NICs. High-availability network configurations.

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Reviews of latest Unix and Linux software. Helpful tips for application support admins. Automating application support.

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Disk partitioning, filesystems, directories, and files. Volume management, logical volumes, HA filesystems. Backups and disaster recovery.

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Commands & Shells

Cool Unix shell commands and options. Command-line tools and application. Things every Unix sysadmin needs to know.

Fsck operations

November 19, 2005 – 10:36 pm
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The following is a collection of examples using fsck command. It is important to unmount VXFS before running fsck on Veritas filesystem.

RSync remote copy

November 19, 2005 – 10:35 pm
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The following is an example of using rsync to perform a irectory copy between two hosts over the network.

Oracle reinstallation

November 19, 2005 – 10:35 pm

Before beginning Oracle REinstall, make sure to remove the /var/opt/oracle/oraInst.loc file created by /tmp/orainstRoot.sh script during prior installation.
 
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