How does Alt+F2 run a command as child of the init process?
On Lubuntu 18.04, if I click the desktop menu, and lxterminal in it, and run the the following in the terminal emulator window, I will get
$ pstree -a -p -s $$
systemd,1 --system --deserialize 19
└─lightdm,661
└─lightdm,862 --session-child 12 19
└─lxsession,944 -s Lubuntu -e LXDE
└─lxpanel,1087 --profile Lubuntu
└─lxterminal,23017
└─bash,23020
└─pstree,26853 -a -p -s 23020
If I hit alt+F2, and run lxterminal and run the following in the terminal emulator window, I will get
$ pstree -a -p -s $$
systemd,1 --system --deserialize 19
└─lxterminal,1480
└─bash,27000
└─pstree,27013 -a -p -s 27000
How does the second make lxterminal run as a child of systemd? Is it done by orphaning the lxterminal process and reparenting it to systemd?
What were the original parent and grandparent of the lxterminal process?
My question is actually more general: how does Alt+F2 run any command as child of the init process?
Thanks.
desktop-environment
asked yesterday
Tim
25.6k74245449
add a comment |
On Lubuntu 18.04, if I click the desktop menu, and lxterminal in it, and run the the following in the terminal emulator window, I will get
$ pstree -a -p -s $$
systemd,1 --system --deserialize 19
└─lightdm,661
└─lightdm,862 --session-child 12 19
└─lxsession,944 -s Lubuntu -e LXDE
└─lxpanel,1087 --profile Lubuntu
└─lxterminal,23017
└─bash,23020
└─pstree,26853 -a -p -s 23020
If I hit alt+F2, and run lxterminal and run the following in the terminal emulator window, I will get
$ pstree -a -p -s $$
systemd,1 --system --deserialize 19
└─lxterminal,1480
└─bash,27000
└─pstree,27013 -a -p -s 27000
How does the second make lxterminal run as a child of systemd? Is it done by orphaning the lxterminal process and reparenting it to systemd?
What were the original parent and grandparent of the lxterminal process?
My question is actually more general: how does Alt+F2 run any command as child of the init process?
Thanks.
desktop-environment
asked yesterday
Tim
25.6k74245449
1
Might help if you provide systemd version.
– 神秘德里克
yesterday
what "version" did I provide?
– Tim
18 hours ago
add a comment |
On Lubuntu 18.04, if I click the desktop menu, and lxterminal in it, and run the the following in the terminal emulator window, I will get
$ pstree -a -p -s $$
systemd,1 --system --deserialize 19
└─lightdm,661
└─lightdm,862 --session-child 12 19
└─lxsession,944 -s Lubuntu -e LXDE
└─lxpanel,1087 --profile Lubuntu
└─lxterminal,23017
└─bash,23020
└─pstree,26853 -a -p -s 23020
If I hit alt+F2, and run lxterminal and run the following in the terminal emulator window, I will get
$ pstree -a -p -s $$
systemd,1 --system --deserialize 19
└─lxterminal,1480
└─bash,27000
└─pstree,27013 -a -p -s 27000
How does the second make lxterminal run as a child of systemd? Is it done by orphaning the lxterminal process and reparenting it to systemd?
What were the original parent and grandparent of the lxterminal process?
My question is actually more general: how does Alt+F2 run any command as child of the init process?
Thanks.
desktop-environment
asked yesterday
Tim
25.6k74245449
On Lubuntu 18.04, if I click the desktop menu, and lxterminal in it, and run the the following in the terminal emulator window, I will get
$ pstree -a -p -s $$
systemd,1 --system --deserialize 19
└─lightdm,661
└─lightdm,862 --session-child 12 19
└─lxsession,944 -s Lubuntu -e LXDE
└─lxpanel,1087 --profile Lubuntu
└─lxterminal,23017
└─bash,23020
└─pstree,26853 -a -p -s 23020
If I hit alt+F2, and run lxterminal and run the following in the terminal emulator window, I will get
$ pstree -a -p -s $$
systemd,1 --system --deserialize 19
└─lxterminal,1480
└─bash,27000
└─pstree,27013 -a -p -s 27000
How does the second make lxterminal run as a child of systemd? Is it done by orphaning the lxterminal process and reparenting it to systemd?
What were the original parent and grandparent of the lxterminal process?
My question is actually more general: how does Alt+F2 run any command as child of the init process?
Thanks.
desktop-environment
desktop-environment
asked yesterday
Tim
25.6k74245449
asked yesterday
Tim
25.6k74245449
edited yesterday
asked yesterday
Tim
25.6k74245449
asked yesterday
Tim
25.6k74245449
asked yesterday
Tim
25.6k74245449
25.6k74245449
1
Might help if you provide systemd version.
– 神秘德里克
yesterday
what "version" did I provide?
– Tim
18 hours ago
add a comment |
1
Might help if you provide systemd version.
– 神秘德里克
yesterday
what "version" did I provide?
– Tim
18 hours ago
1
1
Might help if you provide systemd version.
– 神秘德里克
yesterday
Might help if you provide systemd version.
– 神秘德里克
yesterday
what "version" did I provide?
– Tim
18 hours ago
what "version" did I provide?
– Tim
18 hours ago
add a comment |
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1
Might help if you provide systemd version.
– 神秘德里克
yesterday
what "version" did I provide?
– Tim
18 hours ago