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Category: System Administration

This category holds content, that is related to my professional work with system administration of information technology.

System Administration

What is HTML link relations and which ones should be used?

This page describes the different link relations and how to set them, when linking to other pages, and thereby letting search engines understand, that the linking page is not trying to manipulate the ranking algorithms.

Continue reading “What is HTML link relations and which ones should be used?” →
2022-05-042022-05-17
FreeBSD, System Administration

How to manipulate PDF files on the command line with pdftk.

This is how a number of PDF files can be concatenated, which is also known as merge, join or combine PDF files, with pdftk on the command line.

Continue reading “How to manipulate PDF files on the command line with pdftk.” →
2022-04-292022-04-29
FreeBSD, System Administration

How to restore (undelete) accidentally deleted files from ZFS snapshot.

This is the procedure for restoring (undeleting) accidentally deleted or modified files from a snapshot of a file system on ZFS.

Continue reading “How to restore (undelete) accidentally deleted files from ZFS snapshot.” →
2022-04-222022-04-23
Photography, System Administration

How to rename batch of images or files in bash shell.

Examples of how to add text before file names, add text after file names, rename part of file names and rename to incrementing numbers by batch processing on the command line in bash shell.

Continue reading “How to rename batch of images or files in bash shell.” →
2022-04-202022-05-20
FreeBSD, System Administration

How to update (patch) the FreeBSD system.

This is the procedure for updating (patching) the FreeBSD system by downloading (fetching) and installing the binary patches from a FreeBSD mirror.

Continue reading “How to update (patch) the FreeBSD system.” →
2022-03-252022-03-25
System Administration

What is a system administrator?

This page describes the roles, fundamental principles and daily tasks of a system administrator. What good practice of system and network administration means.

Continue reading “What is a system administrator?” →
2022-03-172022-05-03
FreeBSD, System Administration

How to participate in a Jitsi Meet video meeting with FreeBSD and GNOME.

This is guide for setting up headset and audio for a Jitsi Meet video meeting in FreeBSD and GNOME. This guide also answers, why Jitsi Meet is better than Zoom and Teams.

Continue reading “How to participate in a Jitsi Meet video meeting with FreeBSD and GNOME.” →
2022-02-112022-02-16

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