Changing runlevels with systemctl

This is an RHCE question for sure. With the wholesale replacement of the old System V init system with systemd many things have changed, including what were previously known as “run levels”. More below.

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Posted in System Administration

Creating thumbnail images where others failed

At work I had a vexing problem: a whole bunch of users had profile images but no matching thumbnail. The cause of this condition isn’t relevant here, but read on to see the code I used to patch things up.

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Posted in System Administration

From LDAP to etc/passwd

Some time ago I wrote about how to set up LDAP authentication on a Fedora machine. In this piece I set out a procedure to roll it back and resume using old-style authentication from local files.

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Posted in Identity Management, Security, System Administration

Creating thumbnails at the command line

Really simple stupid using the ImageMagick package, as long as you have a real command line to work with.

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Posted in Development, System Administration, Web

Systemd logging nightmare?

Not really, as long as you don’t depend on the defaults in Fedora.

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Posted in System Administration