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Fetch program specific log from syslog to own log file
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| ### Create rsyslog entry to catch log data [based on 'pgpool' name] in '/etc/rsyslog.d/pgpool2.conf' | |
| if ( $programname == "pgpool" ) then { | |
| action(type="omfile" fileOwner="postgres" fileGroup="postgres" fileCreateMode="0644" file="/var/log/pgpool2/pgpool2.log") stop | |
| } | |
| ### Create logrotate configuration in '/etc/logrotate.d/pgpool2.conf' | |
| /var/log/pgpool2/pgpool2.log { | |
| daily | |
| rotate 30 | |
| compress | |
| delaycompress | |
| notifempty | |
| missingok | |
| dateext | |
| dateformat -%d%m%Y | |
| copytruncate | |
| create 0644 postgres postgres | |
| } | |
| REF: | |
| https://en.linuxportal.info/tutorials/web-hosting/other/rotate-and-output-log-files-using-the-logrotate-program | |
| https://www.tecmint.com/install-logrotate-to-manage-log-rotation-in-linux/ | |
| https://linuxconfig.org/logrotate | |
| https://unix.stackexchange.com/questions/33447/why-we-should-use-create-and-copytruncate-together | |
| ### re-init rsyslog | |
| # pkill -HUP rsyslog | |
| ### restart pgpool & rsyslog | |
| # service rsyslog restart | |
| # service pgpool2 restart | |
| ### cleanup log file [OPTIONAL] | |
| # truncate -s 0 {log_file} EX: truncate -s 0 /var/log/syslog |
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