Linux commandline tips: Difference between revisions
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15 SIGTERM request to terminate and cleanup | 15 SIGTERM request to terminate and cleanup | ||
9 SIGKILL force terminate | 9 SIGKILL force terminate | ||
19 SIGSTOP interrupts the process until you enter SIGCONT to continue | |||
kill -19 9102 10234 stops several processes | kill -19 9102 10234 stops several processes | ||
killall -19 ssh sends all ssh connections to sleep | |||
killall -19 -i ssh interactive mode (recommended) | |||
=pgrep= | |||
pgrep ssh lists all ssh processes | |||
pgrep -l ssh shows names | |||
pgrep -f shows full commandline | |||
pgrep -u show user | |||
Revision as of 20:16, 17 November 2008
lsof
lsof list open files lsof -i :22 list all ssh connections (same :ssh) lsof -i@10.0.0.1 list all connections from 10.0.0.1 lsof -i@amsterdam.nl list all connections from domain lsof -u username list all open files from username lsof -c bash list open files related to bash lsof -c /log/ list all open files from all processes containing log
iperf
iperf -s -w128k run server for performance benchmark iperf -c <serveraddress> -w128k -t30 -r run client iperf -c <serveraddress> -w128k -t30 -d run client in two directions, full duplex
pstree
pstree -a shows processes tree structure with program's parameters pstree -h highlights own process pstree -H <id> highlights process id pstree -u shows user
kill
kill -l shows instructions 1 SIGHUP restart immediately after terminating 15 SIGTERM request to terminate and cleanup 9 SIGKILL force terminate 19 SIGSTOP interrupts the process until you enter SIGCONT to continue kill -19 9102 10234 stops several processes killall -19 ssh sends all ssh connections to sleep killall -19 -i ssh interactive mode (recommended)
pgrep
pgrep ssh lists all ssh processes pgrep -l ssh shows names pgrep -f shows full commandline pgrep -u show user