Why is my script not executed when waking up from systemd suspension?
up vote
0
down vote
favorite
Following https://wiki.archlinux.org/index.php/Power_management#Hooks_in_/usr/lib/systemd/system-sleep, I add a shell script as a systemd sleep hook with execution permission (I manually created /usr/lib/systemd/system-sleep/ which didn't exist by default):
$ ls /usr/lib/systemd/system-sleep/ -l
total 4
-rwxr-xr-x 1 root root 322 Dec 2 19:28 systemd_suspend_cpu_freq.sh
whose content is
#!/bin/sh
case "$1/$2" in
post/*)
echo "systemd_suspend hook" >>/tmp/mylog
;;
esac
I first suspend my Lubuntu 18.04, by
$ systemctl suspend
User testme is logged in on seat0.
User testme is logged in on sshd.
User testme is logged in on seat0.
User testme is logged in on seat0.
Please retry operation after closing inhibitors and logging out other users.
Alternatively, ignore inhibitors and users with 'systemctl suspend -i'.
$ systemctl suspend -i
$
Then I wake it up, and I don't find anything in /tmp/mylog supposed to be written by my script, and also
$ journalctl -b -u systemd-suspend.service
-- Logs begin at Mon 2018-11-12 13:25:27 EST, end at Sun 2018-12-02 19:30:04 EST. --
Dec 02 18:38:05 ocean systemd[1]: Starting Suspend...
Dec 02 18:38:05 ocean systemd-sleep[17888]: Suspending system...
Dec 02 18:51:16 ocean systemd[1]: Started Suspend.
Dec 02 19:29:30 ocean systemd[1]: Starting Suspend...
Dec 02 19:29:30 ocean systemd-sleep[20436]: Suspending system...
Dec 02 19:29:42 ocean systemd-sleep[20436]: /dev/sda:
Dec 02 19:29:42 ocean systemd-sleep[20436]: setting Advanced Power Management level to 0xfe (254)
Dec 02 19:29:42 ocean systemd-sleep[20436]: APM_level = 254
Dec 02 19:29:35 ocean systemd-sleep[20436]: System resumed.
Dec 02 19:29:42 ocean systemd[1]: Started Suspend.
I was wondering why my script isn't executed when waking up from suspension?
Thanks.
Update
The following suggestions in the comment doesn't make the hook execute upon waking up:
mkdir /home/t/tmpdir; chmod 777 /home/t/tmpdir- redirection to
/home/t/tmpdir/mylogin the script (no file was created under/home/t/tmpdir/)
ubuntu systemd suspend
asked Dec 3 at 0:40
Tim
25.4k73243447
|
show 6 more comments
up vote
0
down vote
favorite
Following https://wiki.archlinux.org/index.php/Power_management#Hooks_in_/usr/lib/systemd/system-sleep, I add a shell script as a systemd sleep hook with execution permission (I manually created /usr/lib/systemd/system-sleep/ which didn't exist by default):
$ ls /usr/lib/systemd/system-sleep/ -l
total 4
-rwxr-xr-x 1 root root 322 Dec 2 19:28 systemd_suspend_cpu_freq.sh
whose content is
#!/bin/sh
case "$1/$2" in
post/*)
echo "systemd_suspend hook" >>/tmp/mylog
;;
esac
I first suspend my Lubuntu 18.04, by
$ systemctl suspend
User testme is logged in on seat0.
User testme is logged in on sshd.
User testme is logged in on seat0.
User testme is logged in on seat0.
Please retry operation after closing inhibitors and logging out other users.
Alternatively, ignore inhibitors and users with 'systemctl suspend -i'.
$ systemctl suspend -i
$
Then I wake it up, and I don't find anything in /tmp/mylog supposed to be written by my script, and also
$ journalctl -b -u systemd-suspend.service
-- Logs begin at Mon 2018-11-12 13:25:27 EST, end at Sun 2018-12-02 19:30:04 EST. --
Dec 02 18:38:05 ocean systemd[1]: Starting Suspend...
Dec 02 18:38:05 ocean systemd-sleep[17888]: Suspending system...
Dec 02 18:51:16 ocean systemd[1]: Started Suspend.
Dec 02 19:29:30 ocean systemd[1]: Starting Suspend...
Dec 02 19:29:30 ocean systemd-sleep[20436]: Suspending system...
Dec 02 19:29:42 ocean systemd-sleep[20436]: /dev/sda:
Dec 02 19:29:42 ocean systemd-sleep[20436]: setting Advanced Power Management level to 0xfe (254)
Dec 02 19:29:42 ocean systemd-sleep[20436]: APM_level = 254
Dec 02 19:29:35 ocean systemd-sleep[20436]: System resumed.
Dec 02 19:29:42 ocean systemd[1]: Started Suspend.
I was wondering why my script isn't executed when waking up from suspension?
Thanks.
Update
The following suggestions in the comment doesn't make the hook execute upon waking up:
mkdir /home/t/tmpdir; chmod 777 /home/t/tmpdir- redirection to
/home/t/tmpdir/mylogin the script (no file was created under/home/t/tmpdir/)
ubuntu systemd suspend
asked Dec 3 at 0:40
Tim
25.4k73243447
Try writing to another directory e.g create/home/tim/tmpdirandchmod 777it and write to there. Many services under systemd have "private"/tmpdirectories.
– Stephen Harris
Dec 3 at 0:52
You edits did not do what I said.mkdir /home/tim/tmpdirandchmod 777 /home/tmp/tmpdir(or whatever your home directory is) and then write to that./tmp/test/mylogis a subdirectory of/tmpand so may be part of a private/tmptree.
– Stephen Harris
Dec 3 at 1:06
OK, good. So those changes now rule out a potential confounding factor, and so make the question clearer. I don't know why you're following an ArchLinux procedure when you're running a Ubuntu derivative, but at least we've cleared up one possible failure mode.
– Stephen Harris
Dec 3 at 1:18
2
And now you get a downvote because your question was based on "why doesn't /tmp/mylog" appear, when you had additional knowledge. I don't appreciate having my time wasted on partial questions and partial knowlege.
– Stephen Harris
Dec 3 at 1:32
Tim, you make it really really hard for people to even want to help you. You've just received the equivalent of many $$$ in consulting, and then attack the person trying to help you because you didn't provide the right information up front.
– Stephen Harris
Dec 3 at 1:39
|
show 6 more comments
up vote
0
down vote
favorite
up vote
0
down vote
favorite
Following https://wiki.archlinux.org/index.php/Power_management#Hooks_in_/usr/lib/systemd/system-sleep, I add a shell script as a systemd sleep hook with execution permission (I manually created /usr/lib/systemd/system-sleep/ which didn't exist by default):
$ ls /usr/lib/systemd/system-sleep/ -l
total 4
-rwxr-xr-x 1 root root 322 Dec 2 19:28 systemd_suspend_cpu_freq.sh
whose content is
#!/bin/sh
case "$1/$2" in
post/*)
echo "systemd_suspend hook" >>/tmp/mylog
;;
esac
I first suspend my Lubuntu 18.04, by
$ systemctl suspend
User testme is logged in on seat0.
User testme is logged in on sshd.
User testme is logged in on seat0.
User testme is logged in on seat0.
Please retry operation after closing inhibitors and logging out other users.
Alternatively, ignore inhibitors and users with 'systemctl suspend -i'.
$ systemctl suspend -i
$
Then I wake it up, and I don't find anything in /tmp/mylog supposed to be written by my script, and also
$ journalctl -b -u systemd-suspend.service
-- Logs begin at Mon 2018-11-12 13:25:27 EST, end at Sun 2018-12-02 19:30:04 EST. --
Dec 02 18:38:05 ocean systemd[1]: Starting Suspend...
Dec 02 18:38:05 ocean systemd-sleep[17888]: Suspending system...
Dec 02 18:51:16 ocean systemd[1]: Started Suspend.
Dec 02 19:29:30 ocean systemd[1]: Starting Suspend...
Dec 02 19:29:30 ocean systemd-sleep[20436]: Suspending system...
Dec 02 19:29:42 ocean systemd-sleep[20436]: /dev/sda:
Dec 02 19:29:42 ocean systemd-sleep[20436]: setting Advanced Power Management level to 0xfe (254)
Dec 02 19:29:42 ocean systemd-sleep[20436]: APM_level = 254
Dec 02 19:29:35 ocean systemd-sleep[20436]: System resumed.
Dec 02 19:29:42 ocean systemd[1]: Started Suspend.
I was wondering why my script isn't executed when waking up from suspension?
Thanks.
Update
The following suggestions in the comment doesn't make the hook execute upon waking up:
mkdir /home/t/tmpdir; chmod 777 /home/t/tmpdir- redirection to
/home/t/tmpdir/mylogin the script (no file was created under/home/t/tmpdir/)
ubuntu systemd suspend
asked Dec 3 at 0:40
Tim
25.4k73243447
Following https://wiki.archlinux.org/index.php/Power_management#Hooks_in_/usr/lib/systemd/system-sleep, I add a shell script as a systemd sleep hook with execution permission (I manually created /usr/lib/systemd/system-sleep/ which didn't exist by default):
$ ls /usr/lib/systemd/system-sleep/ -l
total 4
-rwxr-xr-x 1 root root 322 Dec 2 19:28 systemd_suspend_cpu_freq.sh
whose content is
#!/bin/sh
case "$1/$2" in
post/*)
echo "systemd_suspend hook" >>/tmp/mylog
;;
esac
I first suspend my Lubuntu 18.04, by
$ systemctl suspend
User testme is logged in on seat0.
User testme is logged in on sshd.
User testme is logged in on seat0.
User testme is logged in on seat0.
Please retry operation after closing inhibitors and logging out other users.
Alternatively, ignore inhibitors and users with 'systemctl suspend -i'.
$ systemctl suspend -i
$
Then I wake it up, and I don't find anything in /tmp/mylog supposed to be written by my script, and also
$ journalctl -b -u systemd-suspend.service
-- Logs begin at Mon 2018-11-12 13:25:27 EST, end at Sun 2018-12-02 19:30:04 EST. --
Dec 02 18:38:05 ocean systemd[1]: Starting Suspend...
Dec 02 18:38:05 ocean systemd-sleep[17888]: Suspending system...
Dec 02 18:51:16 ocean systemd[1]: Started Suspend.
Dec 02 19:29:30 ocean systemd[1]: Starting Suspend...
Dec 02 19:29:30 ocean systemd-sleep[20436]: Suspending system...
Dec 02 19:29:42 ocean systemd-sleep[20436]: /dev/sda:
Dec 02 19:29:42 ocean systemd-sleep[20436]: setting Advanced Power Management level to 0xfe (254)
Dec 02 19:29:42 ocean systemd-sleep[20436]: APM_level = 254
Dec 02 19:29:35 ocean systemd-sleep[20436]: System resumed.
Dec 02 19:29:42 ocean systemd[1]: Started Suspend.
I was wondering why my script isn't executed when waking up from suspension?
Thanks.
Update
The following suggestions in the comment doesn't make the hook execute upon waking up:
mkdir /home/t/tmpdir; chmod 777 /home/t/tmpdir- redirection to
/home/t/tmpdir/mylogin the script (no file was created under/home/t/tmpdir/)
ubuntu systemd suspend
ubuntu systemd suspend
asked Dec 3 at 0:40
Tim
25.4k73243447
asked Dec 3 at 0:40
Tim
25.4k73243447
edited Dec 3 at 12:21
asked Dec 3 at 0:40
Tim
25.4k73243447
asked Dec 3 at 0:40
Tim
25.4k73243447
asked Dec 3 at 0:40
Tim
25.4k73243447
25.4k73243447
Try writing to another directory e.g create/home/tim/tmpdirandchmod 777it and write to there. Many services under systemd have "private"/tmpdirectories.
– Stephen Harris
Dec 3 at 0:52
You edits did not do what I said.mkdir /home/tim/tmpdirandchmod 777 /home/tmp/tmpdir(or whatever your home directory is) and then write to that./tmp/test/mylogis a subdirectory of/tmpand so may be part of a private/tmptree.
– Stephen Harris
Dec 3 at 1:06
OK, good. So those changes now rule out a potential confounding factor, and so make the question clearer. I don't know why you're following an ArchLinux procedure when you're running a Ubuntu derivative, but at least we've cleared up one possible failure mode.
– Stephen Harris
Dec 3 at 1:18
2
And now you get a downvote because your question was based on "why doesn't /tmp/mylog" appear, when you had additional knowledge. I don't appreciate having my time wasted on partial questions and partial knowlege.
– Stephen Harris
Dec 3 at 1:32
Tim, you make it really really hard for people to even want to help you. You've just received the equivalent of many $$$ in consulting, and then attack the person trying to help you because you didn't provide the right information up front.
– Stephen Harris
Dec 3 at 1:39
|
show 6 more comments
Try writing to another directory e.g create/home/tim/tmpdirandchmod 777it and write to there. Many services under systemd have "private"/tmpdirectories.
– Stephen Harris
Dec 3 at 0:52
You edits did not do what I said.mkdir /home/tim/tmpdirandchmod 777 /home/tmp/tmpdir(or whatever your home directory is) and then write to that./tmp/test/mylogis a subdirectory of/tmpand so may be part of a private/tmptree.
– Stephen Harris
Dec 3 at 1:06
OK, good. So those changes now rule out a potential confounding factor, and so make the question clearer. I don't know why you're following an ArchLinux procedure when you're running a Ubuntu derivative, but at least we've cleared up one possible failure mode.
– Stephen Harris
Dec 3 at 1:18
2
And now you get a downvote because your question was based on "why doesn't /tmp/mylog" appear, when you had additional knowledge. I don't appreciate having my time wasted on partial questions and partial knowlege.
– Stephen Harris
Dec 3 at 1:32
Tim, you make it really really hard for people to even want to help you. You've just received the equivalent of many $$$ in consulting, and then attack the person trying to help you because you didn't provide the right information up front.
– Stephen Harris
Dec 3 at 1:39
Try writing to another directory e.g create
/home/tim/tmpdir and chmod 777 it and write to there. Many services under systemd have "private" /tmp directories.– Stephen Harris
Dec 3 at 0:52
Try writing to another directory e.g create
/home/tim/tmpdir and chmod 777 it and write to there. Many services under systemd have "private" /tmp directories.– Stephen Harris
Dec 3 at 0:52
You edits did not do what I said.
mkdir /home/tim/tmpdir and chmod 777 /home/tmp/tmpdir (or whatever your home directory is) and then write to that. /tmp/test/mylog is a subdirectory of /tmp and so may be part of a private /tmp tree.– Stephen Harris
Dec 3 at 1:06
You edits did not do what I said.
mkdir /home/tim/tmpdir and chmod 777 /home/tmp/tmpdir (or whatever your home directory is) and then write to that. /tmp/test/mylog is a subdirectory of /tmp and so may be part of a private /tmp tree.– Stephen Harris
Dec 3 at 1:06
OK, good. So those changes now rule out a potential confounding factor, and so make the question clearer. I don't know why you're following an ArchLinux procedure when you're running a Ubuntu derivative, but at least we've cleared up one possible failure mode.
– Stephen Harris
Dec 3 at 1:18
OK, good. So those changes now rule out a potential confounding factor, and so make the question clearer. I don't know why you're following an ArchLinux procedure when you're running a Ubuntu derivative, but at least we've cleared up one possible failure mode.
– Stephen Harris
Dec 3 at 1:18
2
2
And now you get a downvote because your question was based on "why doesn't /tmp/mylog" appear, when you had additional knowledge. I don't appreciate having my time wasted on partial questions and partial knowlege.
– Stephen Harris
Dec 3 at 1:32
And now you get a downvote because your question was based on "why doesn't /tmp/mylog" appear, when you had additional knowledge. I don't appreciate having my time wasted on partial questions and partial knowlege.
– Stephen Harris
Dec 3 at 1:32
Tim, you make it really really hard for people to even want to help you. You've just received the equivalent of many $$$ in consulting, and then attack the person trying to help you because you didn't provide the right information up front.
– Stephen Harris
Dec 3 at 1:39
Tim, you make it really really hard for people to even want to help you. You've just received the equivalent of many $$$ in consulting, and then attack the person trying to help you because you didn't provide the right information up front.
– Stephen Harris
Dec 3 at 1:39
|
show 6 more comments
active
oldest
votes
Your Answer
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "106"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f485593%2fwhy-is-my-script-not-executed-when-waking-up-from-systemd-suspension%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
active
oldest
votes
active
oldest
votes
active
oldest
votes
active
oldest
votes
draft saved
draft discarded
Thanks for contributing an answer to Unix & Linux Stack Exchange!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Some of your past answers have not been well-received, and you're in danger of being blocked from answering.
Please pay close attention to the following guidance:
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f485593%2fwhy-is-my-script-not-executed-when-waking-up-from-systemd-suspension%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Try writing to another directory e.g create
/home/tim/tmpdirandchmod 777it and write to there. Many services under systemd have "private"/tmpdirectories.– Stephen Harris
Dec 3 at 0:52
You edits did not do what I said.
mkdir /home/tim/tmpdirandchmod 777 /home/tmp/tmpdir(or whatever your home directory is) and then write to that./tmp/test/mylogis a subdirectory of/tmpand so may be part of a private/tmptree.– Stephen Harris
Dec 3 at 1:06
OK, good. So those changes now rule out a potential confounding factor, and so make the question clearer. I don't know why you're following an ArchLinux procedure when you're running a Ubuntu derivative, but at least we've cleared up one possible failure mode.
– Stephen Harris
Dec 3 at 1:18
2
And now you get a downvote because your question was based on "why doesn't /tmp/mylog" appear, when you had additional knowledge. I don't appreciate having my time wasted on partial questions and partial knowlege.
– Stephen Harris
Dec 3 at 1:32
Tim, you make it really really hard for people to even want to help you. You've just received the equivalent of many $$$ in consulting, and then attack the person trying to help you because you didn't provide the right information up front.
– Stephen Harris
Dec 3 at 1:39