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How can I start a process with any name which does nothing?
The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
2019 Community Moderator Election ResultsHow can I test if a program is running from within a scriptHow can I kill child processes with start-stop-daemon?Is there any UNIX variant on which a child process dies with its parent?Can you make a process pool with shell scripts?How do I get the pid of the exact progarm launchedKilling all python scripts except grep process and a specific python scriptHow to have PID printed to the terminal at the start of *every* process?How to add a useless random string in a linux command so as to identify it via ps?How to shift arguments while arguments start with -Why does shebang lead to a different process name than an explicit call?
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I want to start a process that does nothing but is still running. Say I start a process called sadhadxk, and when I run pgrep -x "sadhadxk" I will get the PID number back, like any normal process works.
So is there any way to start a dummy process?
bash process
asked Dec 17 '14 at 15:01
DisplayNameDisplayName
4,655104783
add a comment |
I want to start a process that does nothing but is still running. Say I start a process called sadhadxk, and when I run pgrep -x "sadhadxk" I will get the PID number back, like any normal process works.
So is there any way to start a dummy process?
bash process
asked Dec 17 '14 at 15:01
DisplayNameDisplayName
4,655104783
add a comment |
I want to start a process that does nothing but is still running. Say I start a process called sadhadxk, and when I run pgrep -x "sadhadxk" I will get the PID number back, like any normal process works.
So is there any way to start a dummy process?
bash process
asked Dec 17 '14 at 15:01
DisplayNameDisplayName
4,655104783
I want to start a process that does nothing but is still running. Say I start a process called sadhadxk, and when I run pgrep -x "sadhadxk" I will get the PID number back, like any normal process works.
So is there any way to start a dummy process?
bash process
bash process
asked Dec 17 '14 at 15:01
DisplayNameDisplayName
4,655104783
asked Dec 17 '14 at 15:01
DisplayNameDisplayName
4,655104783
asked Dec 17 '14 at 15:01
DisplayNameDisplayName
4,655104783
asked Dec 17 '14 at 15:01
DisplayNameDisplayName
4,655104783
asked Dec 17 '14 at 15:01
DisplayNameDisplayName
4,655104783
4,655104783
add a comment |
add a comment |
3 Answers
3
active
oldest
votes
You could do:
perl -MPOSIX -e '$0="sadhadxk"; pause' &
It should set both the process name and argv[0] on systems where it's supported so should show sadhadxk in both ps and ps -f output, so should be matched by both pgrep -x and pgrep -fx.
edited yesterday
Stéphane Chazelas
314k57594952
answered Dec 17 '14 at 15:24
Stéphane ChazelasStéphane Chazelas
50637
add a comment |
> bash -c 'exec -a sadhadxk sleep 1000000' &
pgrep doesn't work but
> ps | grep '[s]adhadxk'
18931 [...] sadhadxk 1000000
Correction: pgrep does work but not against the command name (which is the name of the running binary), only against the command line:
> pgrep -f sadhadxk
18931
answered Dec 17 '14 at 15:14
Hauke LagingHauke Laging
57.9k1288137
add a comment |
Try doing this :
sleep 600 &
answered Dec 17 '14 at 15:04
Gilles QuenotGilles Quenot
16.5k14054
add a comment |
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
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active
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votes
You could do:
perl -MPOSIX -e '$0="sadhadxk"; pause' &
It should set both the process name and argv[0] on systems where it's supported so should show sadhadxk in both ps and ps -f output, so should be matched by both pgrep -x and pgrep -fx.
edited yesterday
Stéphane Chazelas
314k57594952
answered Dec 17 '14 at 15:24
Stéphane ChazelasStéphane Chazelas
50637
add a comment |
You could do:
perl -MPOSIX -e '$0="sadhadxk"; pause' &
It should set both the process name and argv[0] on systems where it's supported so should show sadhadxk in both ps and ps -f output, so should be matched by both pgrep -x and pgrep -fx.
edited yesterday
Stéphane Chazelas
314k57594952
answered Dec 17 '14 at 15:24
Stéphane ChazelasStéphane Chazelas
50637
add a comment |
You could do:
perl -MPOSIX -e '$0="sadhadxk"; pause' &
It should set both the process name and argv[0] on systems where it's supported so should show sadhadxk in both ps and ps -f output, so should be matched by both pgrep -x and pgrep -fx.
edited yesterday
Stéphane Chazelas
314k57594952
answered Dec 17 '14 at 15:24
Stéphane ChazelasStéphane Chazelas
50637
You could do:
perl -MPOSIX -e '$0="sadhadxk"; pause' &
It should set both the process name and argv[0] on systems where it's supported so should show sadhadxk in both ps and ps -f output, so should be matched by both pgrep -x and pgrep -fx.
edited yesterday
Stéphane Chazelas
314k57594952
answered Dec 17 '14 at 15:24
Stéphane ChazelasStéphane Chazelas
50637
edited yesterday
Stéphane Chazelas
314k57594952
edited yesterday
Stéphane Chazelas
314k57594952
edited yesterday
Stéphane Chazelas
314k57594952
314k57594952
answered Dec 17 '14 at 15:24
Stéphane ChazelasStéphane Chazelas
50637
answered Dec 17 '14 at 15:24
Stéphane ChazelasStéphane Chazelas
50637
answered Dec 17 '14 at 15:24
Stéphane ChazelasStéphane Chazelas
50637
50637
add a comment |
add a comment |
> bash -c 'exec -a sadhadxk sleep 1000000' &
pgrep doesn't work but
> ps | grep '[s]adhadxk'
18931 [...] sadhadxk 1000000
Correction: pgrep does work but not against the command name (which is the name of the running binary), only against the command line:
> pgrep -f sadhadxk
18931
answered Dec 17 '14 at 15:14
Hauke LagingHauke Laging
57.9k1288137
add a comment |
> bash -c 'exec -a sadhadxk sleep 1000000' &
pgrep doesn't work but
> ps | grep '[s]adhadxk'
18931 [...] sadhadxk 1000000
Correction: pgrep does work but not against the command name (which is the name of the running binary), only against the command line:
> pgrep -f sadhadxk
18931
answered Dec 17 '14 at 15:14
Hauke LagingHauke Laging
57.9k1288137
add a comment |
> bash -c 'exec -a sadhadxk sleep 1000000' &
pgrep doesn't work but
> ps | grep '[s]adhadxk'
18931 [...] sadhadxk 1000000
Correction: pgrep does work but not against the command name (which is the name of the running binary), only against the command line:
> pgrep -f sadhadxk
18931
answered Dec 17 '14 at 15:14
Hauke LagingHauke Laging
57.9k1288137
> bash -c 'exec -a sadhadxk sleep 1000000' &
pgrep doesn't work but
> ps | grep '[s]adhadxk'
18931 [...] sadhadxk 1000000
Correction: pgrep does work but not against the command name (which is the name of the running binary), only against the command line:
> pgrep -f sadhadxk
18931
answered Dec 17 '14 at 15:14
Hauke LagingHauke Laging
57.9k1288137
edited Dec 17 '14 at 15:19
answered Dec 17 '14 at 15:14
Hauke LagingHauke Laging
57.9k1288137
answered Dec 17 '14 at 15:14
Hauke LagingHauke Laging
57.9k1288137
answered Dec 17 '14 at 15:14
Hauke LagingHauke Laging
57.9k1288137
57.9k1288137
add a comment |
add a comment |
Try doing this :
sleep 600 &
answered Dec 17 '14 at 15:04
Gilles QuenotGilles Quenot
16.5k14054
add a comment |
Try doing this :
sleep 600 &
answered Dec 17 '14 at 15:04
Gilles QuenotGilles Quenot
16.5k14054
add a comment |
Try doing this :
sleep 600 &
answered Dec 17 '14 at 15:04
Gilles QuenotGilles Quenot
16.5k14054
Try doing this :
sleep 600 &
answered Dec 17 '14 at 15:04
Gilles QuenotGilles Quenot
16.5k14054
answered Dec 17 '14 at 15:04
Gilles QuenotGilles Quenot
16.5k14054
answered Dec 17 '14 at 15:04
Gilles QuenotGilles Quenot
16.5k14054
answered Dec 17 '14 at 15:04
Gilles QuenotGilles Quenot
16.5k14054
16.5k14054
add a comment |
add a comment |
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