as follows, when many of the same programs in the system generate multiple processes, and long time is not invalidated
# PS aux | grep ' 172.17.221.254 '
2547 root/root/cntl-h 172.17.221.254-p
6646 root/root/cntl-h 172.17.221.254-p
9606 root/root/cntl-h 172.17.221.254-p
12820 root/root/cntl-h 172.17.221.254-p
13649 root/root/cntl-h 172.17.221.254-p
14331 root/root/cntl-h 172.17.221.254-p
17033 root/root/cntl-h 172.17.221.254-p
17634 root/root/cntl-h 172.17.221.254-p
18023 root/root/cntl-h 172.17.221.254-p
18139 root/root/cntl-h 172.17.221.254-p
19469 root/root/cntl-h 172.17.221.254-p
20605 root/root/cntl-h 172.17.221.254-p
20732 root/root/cntl-h 172.17.221.254-p
20873 root/root/cntl-h 172.17.221.254-p
24435 root/root/cntl-h 172.17.221.254-p
25769 root/root/cntl-h 172.17.221.254-p
25833 root/root/cntl-h 172.17.221.254-p
27156 root/root/cntl-h 172.17.221.254-p
27635 root/root/cntl-h 172.17.221.254-p
27902 root/root/cntl-h 172.17.221.254-p
29906 root/root/cntl-h 172.17.221.254-p
30845 root/root/cntl-h 172.17.221.254-p
31260 root/root/cntl-h 172.17.221.254-p
31920 root/root/cntl-h 172.17.221.254-p
32886 root/root/cntl-h 172.17.221.254-p
33634 root/root/cntl-h 172.17.221.254-p
33970 root/root/cntl-h 172.17.221.254-p
34286 root/root/cntl-h 172.17.221.254-p
40213 root/root/cntl-h 172.17.221.254-p
40307 root/root/cntl-h 172.17.221.254-p
41810 root/root/cntl-h 172.17.221.254-p
42741 root/root/cntl-h 172.17.221.254-p
42967 root/root/cntl-h 172.17.221.254-p
44219 root/root/cntl-h 172.17.221.254-p
44721 root/root/cntl-h 172.17.221.254-p
45727 root/root/cntl-h 172.17.221.254-p
46183 root/root/cntl-h 172.17.221.254-p
46594 root/root/cntl-h 172.17.221.254-p
48831 root/root/cntl-h 172.17.221.254-p
49821 root/root/cntl-h 172.17.221.254-p
51622 root/root/cntl-h 172.17.221.254-p
51766 root/root/cntl-h 172.17.221.254-p
51911 root/root/cntl-h 172.17.221.254-p
52141 root/root/cntl-h 172.17.221.254-p
53637 root/root/cntl-h 172.17.221.254-p
54877 root/root/cntl-h 172.17.221.254-p
54895 root grep 172.17.221.254
56195 root/root/cntl-h 172.17.221.254-p
56410 root/root/cntl-h 172.17.221.254-p
56610 root/root/cntl-h 172.17.221.254-p
58340 root/root/cntl-h 172.17.221.254-p
60099 root/root/cntl-h 172.17.221.254-p
61556 root/root/cntl-h 172.17.221.254-p
63033 root/root/cntl-h 172.17.221.254-p
65027 root/root/cntl-h 172.17.221.254-p
You can use the following command to kill all processes
# PS aux | grep ' 172.17.221.254 ' | awk ' {print '} ' | Xargs Kill
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End multiple processes for a program in a Linux server system