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journalwatch config
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GPG Key ID:
6C47C753F0823002
@ -1,6 +1,40 @@
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# Systemd Journal Monitoring.
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#
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# Alternative:
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# journal-biref
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# https://github.com/twaugh/journal-brief
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# https://opensource.com/article/20/7/systemd-journals-email
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# Write to Systemd Journal:
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# echo 'hello' | systemd-cat -p emerg
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# echo 'hello' | systemd-cat -t someapp -p emerg
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# View Systemd Journal.
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# Output similar to dmesg
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# journalctl -b -k
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# Filter by app:
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# journalctl -b -t someapp
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# Filter by priority:
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# journalctl -b -p 5
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# Manually execute journalwatch timer:
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# sudo systemctl start journalwatch.service
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# View generated journalwatch config:
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# cat "$(systemctl show -P FragmentPath journalwatch.service)" | grep XDG_CONFIG_HOME
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# #=> /nix/store/vzfvp7kizycs6lnks6icmlw3h1x6p7la-journalwatch-config
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# cat /nix/store/vzfvp7kizycs6lnks6icmlw3h1x6p7la-journalwatch-config/journalwatch/config
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# cat /nix/store/vzfvp7kizycs6lnks6icmlw3h1x6p7la-journalwatch-config/journalwatch/patterns
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# Find a message and view its details
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# journalctl -b -p5 -o json-pretty
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# Then press "/", enter a pattern and press "Enter".
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{ config, pkgs, ... }:
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let
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sshd_filter = ''
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Accepted publickey for (root|yoda) from \S+ port \S+ ssh2: ED25519 SHA256:\S+
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# TODO: Change RSA key of yodaHedgehog to ED25519
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Accepted publickey for (root|yoda) from \S+ port \S+ ssh2: RSA SHA256:\S+
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pam_unix\(sshd:session\): session opened for user \S+ by \S+
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Received disconnect from \S+ port \S+:11: disconnected by user
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@ -39,37 +73,6 @@ let
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'';
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in
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{
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# Systemd Journal Monitoring.
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# Alternative:
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# journal-biref
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# https://github.com/twaugh/journal-brief
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# https://opensource.com/article/20/7/systemd-journals-email
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# Write to Systemd Journal:
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# echo 'hello' | systemd-cat -p emerg
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# echo 'hello' | systemd-cat -t someapp -p emerg
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# View Systemd Journal.
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# Output similar to dmesg
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# journalctl -b -k
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# Filter by app:
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# journalctl -b -t someapp
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# Filter by priority:
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# journalctl -b -p 5
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# Manually execute journalwatch timer:
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# sudo systemctl start journalwatch.service
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# View generated journalwatch config:
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# cat "$(systemctl show -P FragmentPath journalwatch.service)" | grep XDG_CONFIG_HOME
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# #=> /nix/store/vzfvp7kizycs6lnks6icmlw3h1x6p7la-journalwatch-config
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# cat /nix/store/vzfvp7kizycs6lnks6icmlw3h1x6p7la-journalwatch-config/journalwatch/config
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# cat /nix/store/vzfvp7kizycs6lnks6icmlw3h1x6p7la-journalwatch-config/journalwatch/patterns
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# Find a message and view its details
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# journalctl -b -p5 -o json-pretty
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# Then press "/", enter a pattern and press "Enter".
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assertions = [{
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assertion = config.services.opensmtpd.enable;
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message = "journalwatch requires a configured sendmail MTA, see sendmail-mta.nix.";
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@ -112,15 +115,8 @@ in
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# _SYSTEMD_CGROUP
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#
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{ # yodaYoga
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filters = ''
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parent not found! continent_id [0-9]+
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'';
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match = "_SYSTEMD_CGROUP = /system.slice/docker.service";
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}
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#
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# CONTAINER_NAME
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# CONTAINER_NAME # TODO use IMAGE_NAME instead
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#
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{ # yodaNas
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@ -534,6 +530,12 @@ in
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'';
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match = "_SYSTEMD_UNIT = /(systemd-logind|syncthing)\\.service/";
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}
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{ # yodaTux
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filters = ''
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.*
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'';
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match = "_SYSTEMD_UNIT = /(bluetooth|cups|systemd-timesyncd)\\.service/";
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}
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{ # yodaNas
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filters = ''
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@ -553,12 +555,11 @@ in
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}
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{ # yodaNas
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filters = ''
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time="[^"]+" level=error msg="\[resolver\] failed to query DNS server: 127.0.0.1:53, query: ;[a-z0-9\.]+\tIN\t A" error="read udp 127.0.0.1:[0-9]+->127.0.0.1:53: i/o timeout"
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time="[^"]+" level=error msg="\[resolver\] failed to query DNS server: 127.0.0.1:53, query: ;[a-z0-9\.]+\\tIN\\t A" error="read udp 127.0.0.1:[0-9]+->127.0.0.1:53: i/o timeout"
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time="[^"]+" level=info msg="Attempting next endpoint for pull after error: Head "[^"]+": Get "[^"]+": net/http: request canceled while waiting for connection \(Client\.Timeout exceeded while awaiting headers\)"
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'';
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match = "_SYSTEMD_UNIT = docker.service";
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}
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{ # yodaNas
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filters = ''
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pam_unix\(sudo:session\): session opened for user root\(uid=0\) by \(uid=994\)
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@ -584,7 +585,6 @@ in
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'';
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match = "_SYSTEMD_UNIT = /btrbk-local-snapshot-(hdd|ssd)\\.service/";
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}
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{ # yodaHedgehog
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filters = ''
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info: OpenSMTPD \S+-portable starting
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@ -612,11 +612,11 @@ in
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'';
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match = "_SYSTEMD_UNIT = systemd-tmpfiles-setup.service";
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}
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{ # yodaTux
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{ # yodaHedgehog
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filters = ''
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.*
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sd[a-z] spinup
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'';
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match = "_SYSTEMD_UNIT = /(bluetooth\\.service|cups\\.service)/";
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match = "_SYSTEMD_UNIT = hd-idle.service";
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}
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{ # yodaNas. TODO: This is maybe a bug. It occurs when deploying and switching to a NixOS config with colmena.
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filters = ''
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@ -636,14 +636,89 @@ in
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}
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{ # yodaTux, yodaNas
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filters = ''
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Starting \S+\.service\.\.\.
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\S+\.service: Deactivated successfully\.
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Finished \S+\.service\.
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\S+\.(service|scope|slice|mount): Consumed [0-9\.]+(s|ms) CPU time(, .+)?\.
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#
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Reexecuting\.
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(finished )?switching to system configuration /nix/store/.+-nixos-system-.+-[0-9]+\.[0-9]+pre-git
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Starting \S+\.service\.\.\.
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\S+\.service: Scheduled restart job, restart counter is at 1\.
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Finished \S+\.service\.
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\S+\.(service|mount): Deactivated successfully\.
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#
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Starting User Runtime Directory /run/user/(0|1000)\.\.\.
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Starting User Manager for UID (0|1000)\.\.\.
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Starting Spin down inactive HDD \S+\.\.\.
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Starting Takes BTRFS snapshots and maintains retention policies\.\.\.\.
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Starting Load Kernel Module efi_pstore\.\.\.
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Starting Create SUID/SGID Wrappers\.\.\.
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Starting Update and start Jinja-Compose project\.\.\.
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Started \S+\.service\.
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Started Logrotate Service\.
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Started User Manager for UID (0|1000)\.
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Started Session [0-9]+ of User root\.
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Finished Takes BTRFS snapshots and maintains retention policies\.\.
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Finished User Runtime Directory /run/user/(0|1000)\.
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Finished Spin down inactive HDD \S+\.
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Finished Load Kernel Module efi_pstore\.
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Finished Create SUID/SGID Wrappers\.
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Finished Update and start Jinja-Compose project\.
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Stopping Reactivate sysinit units\.\.\.
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Stopping User Manager for UID (0|1000)\.\.\.
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Stopping User Runtime Directory /run/user/(0|1000)\.\.\.
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Stopped target Local File Systems\.
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Stopped target Remote File Systems\.
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Stopped target Reactivate sysinit units\.
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Stopped User Manager for UID (0|1000)\.
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Stopped User Runtime Directory /run/user/(0|1000)\.\.\.
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Reached target Reactivate sysinit units\.
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Reached target Local File Systems\.
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Reached target Remote File Systems\.
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Reloading requested from client PID [0-9]+ \('systemctl'\) \(unit session-[0-9]+\.scope\)\.\.\.
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Reloading\.\.\.
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Reloading finished in [0-9]+ ms\.
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session-[0-9]+\.scope: Deactivated successfully\.
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#
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(\S+ )+was skipped because of an unmet condition check \([^)]+\)\.
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File System Check on Root Device was skipped because of an unmet condition check (ConditionPathIsReadWrite=!/).
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#
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# TODO bug
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smtpd-key\.service: Found left-over process [0-9]+ \(smtpd-key-pre-s\) in control group while starting unit\. Ignoring\.
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smtpd-key\.service: This usually indicates unclean termination of a previous run, or service implementation deficiencies\.
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'';
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match = "_SYSTEMD_UNIT = /(user@[0-9]+\\.service|init.scope)/";
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match = "_SYSTEMD_UNIT = init.scope";
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}
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{ # yodaTux, yodaNas
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filters = ''
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Activating special unit Exit the Session\.\.\.
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Starting D-Bus User Message Bus Socket\.\.\.
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Starting Run user-specific NixOS activation\.\.\.
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Listening on D-Bus User Message Bus Socket\.
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Stopped target Main User Target\.
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Stopped target Basic System\.
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Stopped target Paths\.
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Stopped target Sockets\.
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Stopped target Timers\.
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Closed D-Bus User Message Bus Socket\.
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Removed slice User Application Slice\.
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Reached target Shutdown\.
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Reached target Paths\.
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Reached target Timers\.
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Reached target Sockets\.
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Reached target Basic System\.
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Reached target Exit the Session\.
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Reached target Main User Target\.
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Finished Exit the Session\.
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Finished Run user-specific NixOS activation\.
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#
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Startup finished in [0-9]+ms\.
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#
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Created slice User Application Slice\.
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Queued start job for default target Main User Target\.
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pam_unix\(systemd-user:session\): session opened for user root\(uid=0\) by \(uid=0\)
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pam_unix\(systemd-user:session\): session closed for user root
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Reexecuting requested from client PID [0-9]+ \('systemctl'\)\.\.\.
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Reexecuting\.
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Run \S+ was skipped because of an unmet condition check \([^)]+\)\.
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'';
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match = "_SYSTEMD_UNIT = /user@(0|1000)\\.service/";
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}
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{ # yodaTux
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filters = ''
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@ -652,6 +727,10 @@ in
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Collecting garbage unconditionally\.\.\.
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Loading rules from directory /.+
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Finished loading, compiling and executing [0-9]+ rules
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#
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Registered Authentication Agent for unix-process:[0-9]+:[0-9]+ \(system bus name :[0-9\.]+ \[/run/current-system/sw/bin/pkttyagent --notify-fd 5 --fallback\], object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8\)
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Operator of unix-process:[0-9]+:[0-9]+ successfully authenticated as unix-user:yoda to gain ONE-SHOT authorization for action org\.freedesktop\.systemd1\.manage-units for system-bus-name::[0-9\.]+ \[systemctl start journalwatch\.service\] \(owned by unix-user:yoda\)
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Unregistered Authentication Agent for unix-process:[0-9]+:[0-9]+ \(system bus name :[0-9\.]+, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8\) \(disconnected from bus\)
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'';
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match = "_SYSTEMD_UNIT = polkit.service";
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}
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@ -674,6 +753,12 @@ in
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'';
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match = "_SYSTEMD_UNIT = udisks2.service";
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}
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{ # yodaNas
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filters = ''
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Disk is in standby or sleeping\.
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'';
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match = "_SYSTEMD_UNIT = /hdparm-ata-.*\\.service/";
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}
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{ # yodaNas
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filters = ''
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\s+\S+ Skipped - Image is already being pulled by \S+
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@ -723,51 +808,6 @@ in
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'';
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match = "SYSLOG_IDENTIFIER = nixos";
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}
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{ # yodaYoga, yodaNas
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filters = ''
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\S+\.(service|scope|slice|mount): Consumed .+ CPU time, read .+ from disk, written .+ to disk(, .+|\.)
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\S+\.(service|scope|slice|mount): Consumed .+ CPU time(, .+)?, received .+ IP traffic, sent .+ IP traffic\.
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\S+\.(service|scope|slice|mount): Consumed .+ CPU time(, .+)?, no IP traffic\.
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#
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.*smtpd-key\.service.*
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#
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Starting User Runtime Directory /run/user/(0|1000)\.\.\.
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Finished User Runtime Directory /run/user/(0|1000)\.
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Stopping User Runtime Directory /run/user/(0|1000)\.\.\.
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Stopped User Runtime Directory /run/user/(0|1000)\.
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Starting User Manager for UID (0|1000)\.\.\.
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Started User Manager for UID (0|1000)\.
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Stopping User Manager for UID (0|1000)\.\.\.
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Stopped User Manager for UID (0|1000)\.
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Started Session [0-9]+ of User (root|yoda)\.
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session-[0-9]+\.scope: Deactivated successfully\.
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#
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Starting Load Kernel Module efi_pstore\.\.\.
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Starting Create SUID/SGID Wrappers\.\.\.
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Stopped target Reactivate sysinit units\.
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Stopping Reactivate sysinit units\.\.\.
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Reached target Reactivate sysinit units\.
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Reached target Local File Systems\.
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Reached target Remote File Systems\.
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Finished Load Kernel Module efi_pstore\.
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Finished Create SUID/SGID Wrappers\.
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[a-zA-Z ]+ was skipped because of an unmet condition check \([^\)]+\)\.
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Update is Completed was skipped because no trigger condition checks were met\.
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#
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Starting Update and start Jinja-Compose project\.\.\.
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Finished Update and start Jinja-Compose project\.
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#
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Starting Takes BTRFS snapshots and maintains retention policies\.\.\.\.
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Finished Takes BTRFS snapshots and maintains retention policies\.\.
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#
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Started Logrotate Service\.
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\S+\.(service|mount): Deactivated successfully\.
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#
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Deactivated successfully\.
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Shutting down\.
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'';
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match = "SYSLOG_IDENTIFIER = systemd";
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}
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{ # yodaTux
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filters = ''
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.*
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@ -921,6 +961,12 @@ in
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# _SYSTEMD_USER_UNIT
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#
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{ # yodaTux
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filters = ''
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.*
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'';
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match = "_SYSTEMD_USER_UNIT = /(org\\.gnome\\..+\\.service|pipewire\\.service|wireplumber\\.service|app-gnome-org\\.gnome\\.Software-[0-9]+\\.scope)/";
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}
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{ # yodaTux, yodaTab
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filters = ''
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.+ Setting AttentionNeeded to FALSE because EnsureCredentials\(\) succeded
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@ -928,12 +974,6 @@ in
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'';
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match = "_SYSTEMD_USER_UNIT = dbus.service";
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}
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{ # yodaTux
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filters = ''
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.*
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'';
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match = "_SYSTEMD_USER_UNIT = /(org\\.gnome\\..+\\.service|pipewire\\.service|wireplumber\\.service|app-gnome-org\\.gnome\\.Software-[0-9]+\\.scope)/";
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}
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];
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};
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}
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