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I have a process that a user1 runs. And I need to grant all the group members the right to send some kill signal to it. So far, I always get this output:

myProcess(13919): Operation not permitted  
myProcess: no process killed  

From what I had found on the internet, Linux architecture is intended to not allow other users to send kill signals to a process. But, if I am ok with it, can I grant these rights?

Update

As pointed out by muru, I should mention that my group and I are not sudoers.

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The problem is limiting damage. You can get quite close with sudo. Consider this sudoers entry:

%group1 ALL = (user1) pkill -HUP <name of process>

Then members of group1 can do:

sudo -u user1 pkill -HUP <name of process>
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  • maybe your solution works. But not for me, because I am not a sudoer, I am just a regular user, like all my group.
    – amine
    Dec 5 '14 at 15:28
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    @amine perhaps you should mention your constraints in the question.
    – muru
    Dec 5 '14 at 15:30
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There is no permission structure for processes like there is for files. Thus you need tricks like sudo or a SUID / FSCAP binary.

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