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systemd-journal-remote has some issues. Man page has an example: ... Copy local journal events to a different journal directory: journalctl -o export | systemd-journal-remote -o /tmp/dir - ... This does not work. First of all, binary systemd-journal-remote is not in default $PATH, but in /usr/lib/systemd/systemd-journal-remote. The second issue is that this example does not work: # journalctl -o export | /usr/lib/systemd/systemd-journal-remote -o /tmp/dir - For SplitMode=none, output must be a file. So I have to change it: # journalctl -o export | /usr/lib/systemd/systemd-journal-remote -o /tmp/dir/log.journal - Finishing after writing 1802 entries Also if you don't read man page correctly and use file without .journal suffix, it returns really weird and missleading error: # journalctl -o export | /usr/lib/systemd/systemd-journal-remote -o /tmp/dir/log - Failed to open output journal /tmp/dir/log: Invalid argument Failed to get writer for source stdin: Invalid argument Failed to create source for fd:0 (stdin): Invalid argument It would be nice to have working examples in man page and also some more readable error messages. Version-Release number of selected component (if applicable): systemd-journal-gateway-219-17.el7.x86_64
Another issue. I started gatewayd server and I can gather logs via curl. But if I do it via systemd-journal-remote --url http://localhost:19531/ I just got: Spawning curl http://localhost:19531/entries?boot/entries... Failed to open output journal /var/log/journal/remote/remote-localhost:19531\x2fentries?boot.journal: No such file or directory Failed to get writer for source localhost:19531/entries?boot: No such file or directory Failed to create source for fd:7 (localhost:19531/entries?boot): No such file or directory /var/log/journal is created. I have to create /var/log/journal/remote to get it working which I don't understand. Man page says: Retrieve events from a remote systemd-journal-gatewayd(8) instance and store them in /var/log/journal/some.host/remote-some~host.journal: systemd-journal-remote --url http://some.host:19531/ So I suggest to change "some.host" to "remote". Maybe it would be cool if that tool creates the directory /var/log/journal/remote itself instead of that terrifying red error messages.
(In reply to Branislav Blaškovič from comment #0) > Also if you don't read man page correctly and use file without .journal > suffix, it returns really weird and missleading error: > # journalctl -o export | /usr/lib/systemd/systemd-journal-remote -o > /tmp/dir/log - > Failed to open output journal /tmp/dir/log: Invalid argument > Failed to get writer for source stdin: Invalid argument > Failed to create source for fd:0 (stdin): Invalid argument That's worth fixing, IMHO. Upstream commit: https://github.com/systemd/systemd/commit/6b1b9f75c85d26ddbda62e7b7afa6944044f4f95
Pull request: https://github.com/lnykryn/systemd-rhel/pull/277
fix merged to staging branch -> https://github.com/lnykryn/systemd-rhel/pull/277 -> post
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2019:2091