Tips & Tricks (administration)
How to switch off speaker «beeps» in X and console.
To find out overall CPU usage for all time command
is running
(etime is command start time,
time is overall CPU used time,
%cpu is overall CPU used percents):
ps -eo pid,etime:12,time:10,%cpu,%mem,user,args |
cut -c 1-80 | sort -n -k 4 | tail
This can be helpful when trying to detect overall system load by
long-running services.
Several small and useful quick references downloaded from elsewhere: