On Wed, 17 Jul 2013, Lennart Poettering wrote:
"cat /var/log/messages" becomes "journalctl"
"tail -f /var/log/messages" becomes "journalctl -f"
"tail -n100 /var/log/messages" becomes "journalctl -n100"
"grep foobar /var/log/messages" becomes "journalctl | grep foobar"
This isn't complex. You can grep/sed/awk as much as you want. You just
do it over the output of journalctl rather than teh file. That's not
that big a difference.
One thing you have missed is how you edit the log file. There may be cases
where you want to strip out log entries, eg. when a process has gone wild
and swamped the useful messages with useless ones and you want to keep the
useful ones and throw away the useless ones.
Michael Young
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