python subprocess started tcpdump when killed its status becomes defunct
When calling subprocess.Popen("tcpdump ...", shell=True) in python,
it seems to call /bin/sh -c tcpdump .... But when kill -9 [pid], I can see this tcpdump becomes：
I compared that with shell started tcpdump command, which does not have defunct status. what is the reason for killing results difference? And is this related with python subprocess.Popen usage? And does defunct harmful?
linux shell python
asked Feb 1 at 8:47
TiinaTiina
6371614
add a comment |
When calling subprocess.Popen("tcpdump ...", shell=True) in python,
it seems to call /bin/sh -c tcpdump .... But when kill -9 [pid], I can see this tcpdump becomes：
I compared that with shell started tcpdump command, which does not have defunct status. what is the reason for killing results difference? And is this related with python subprocess.Popen usage? And does defunct harmful?
linux shell python
asked Feb 1 at 8:47
TiinaTiina
6371614
add a comment |
When calling subprocess.Popen("tcpdump ...", shell=True) in python,
it seems to call /bin/sh -c tcpdump .... But when kill -9 [pid], I can see this tcpdump becomes：
I compared that with shell started tcpdump command, which does not have defunct status. what is the reason for killing results difference? And is this related with python subprocess.Popen usage? And does defunct harmful?
linux shell python
asked Feb 1 at 8:47
TiinaTiina
6371614
When calling subprocess.Popen("tcpdump ...", shell=True) in python,
it seems to call /bin/sh -c tcpdump .... But when kill -9 [pid], I can see this tcpdump becomes：
I compared that with shell started tcpdump command, which does not have defunct status. what is the reason for killing results difference? And is this related with python subprocess.Popen usage? And does defunct harmful?
linux shell python
linux shell python
asked Feb 1 at 8:47
TiinaTiina
6371614
asked Feb 1 at 8:47
TiinaTiina
6371614
asked Feb 1 at 8:47
TiinaTiina
6371614
asked Feb 1 at 8:47
TiinaTiina
6371614
asked Feb 1 at 8:47
TiinaTiina
6371614
6371614
add a comment |
add a comment |
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