Description | Command |
---|---|
Start a new session with session name | screen -S <session_name> |
List running sessions / screens | screen -ls |
Attach to a running session | screen -x |
Attach to a running session with name | screen -r <session_name> |
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### Nginx ### | |
check process nginx with pidfile /run/nginx.pid | |
start program = "/usr/sbin/service nginx start" | |
stop program = "/usr/sbin/service nginx stop" | |
if cpu > 60% for 2 cycles then alert | |
if cpu > 80% for 5 cycles then restart | |
if memory usage > 80% for 5 cycles then restart | |
if failed host 127.0.0.1 port 443 protocol https | |
then restart | |
if 3 restarts within 5 cycles then timeout |