Linux Commands#
1 SCP Command#
scp -r username@targetip:targetpath destinationpath
scp -r [email protected]:/opt/hermes/5/SentimentModel.py .
2 ps Command#
ps -ef to view processes
Filter processes, check if a process exists with ps -ef | grep targetprocess
Example: ps -ef | grep EmailTools.py
grep -v to exclude matches
awk
3 kill Command#
kill -9 processid
Kill a process
4 su Command#
su username
[test@iZuf64fh3qqfih9qs3bh1oZ tang]$ su hermes
Password:
!@#$&*()
5 echo#
View environment variables
[hermes@iZuf64fh3qqfih9qs3bh1oZ EmailTools]$ echo $LANG en_US.UTF-8
6 telnet Test if a server port is accessible#
telnet ip
Local ip 0.0.0.0 telnet 0.0.0.0 portnumber
Exit: Enter Ctrl+] to enter telnet>
Then enter quit
telnet> quit
Connection closed.
7 top View processes and resource usage#
8 View users#
who