Delete process called udpserver process.
kill -9 $ (ps -ef | grep udpserver | grep java | awk '{print $ 2}').
1. Get the process number through the process name:
ps -ef | grep udpserver | awk '{print $ 2}'
Results: The return of two processes, one of which is grep process.
2. increase the filtering conditions
ps -ef | grep udpserver | grep java | awk '{print $ 2}'
Result: return to a process for the process udpserver. (According to the need to increase more filters)
4.awk
awk ... command is a print column, the column is pid ps -e command output, $ 2 for the specified column.
4. Delete the process ID
kill -9
NOTE: Use kill -9 $ (ps -ef | grep udpserver | grep java | awk '{print $ 2}'), a plurality of processes with the same name can kill process name.