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Reboot/poweroff an attached computer on reboot/poweroff of master system?
The 2019 Stack Overflow Developer Survey Results Are InMake systemd reload only single openvpn process and not the whole groupmysql service restarted during user being connected lead to failing serviceWhy x0vncserver is not starting at boot?Why is systemd stopping service immediately after it is started?Instruct to execute an unit after completing another unit successfullysystemd: finish the execution of custom shell script before starting nginxRun a script just before poweroff of rebootStopping systemd unit together with another. Starting workssystemd reboot threshold limitCan't properly stop SAP Hana on reboot / shutdown with systemd
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I have two computers (let's call them master and slave) connected via ethernet with static IP addressing.
What I want to achieve is to reboot slave whenever master is rebooted, and power it off whenever master is powered off.
Both systems are runinng Ubuntu Bionic with systemd.
So far I only concentrated on the rebooting. I created file /lib/systemd/system/restart-jetson.service
with the following contents:
[Unit]
Description=Restart Jetson
DefaultDependencies=no
Before=systemd-reboot.service # also tried just reboot.service
Requires=network.target
After=network.target
[Service]
ExecStart=/bin/su -c 'echo "nvidia" | /usr/bin/ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no nvidia@%H-jetson "sudo -S reboot"' robot
Type=oneshot
RemainAfterExit=yes
[Install]
WantedBy=reboot.target
Then I enabled the service with systemctl enable restart-jetson.service
and systemctl daemon-reload
.
SSH is configured for passwordless login on slave.
If I restart the service from a running system, slave is rebooted. However, rebooting the master system does nothing to the slave. How should I configure this systemd unit correctly?
Other SO posts or tutorials seem like this method should work, but for this particular use-case it doesn't seem to do anything.
systemd reboot
add a comment |
I have two computers (let's call them master and slave) connected via ethernet with static IP addressing.
What I want to achieve is to reboot slave whenever master is rebooted, and power it off whenever master is powered off.
Both systems are runinng Ubuntu Bionic with systemd.
So far I only concentrated on the rebooting. I created file /lib/systemd/system/restart-jetson.service
with the following contents:
[Unit]
Description=Restart Jetson
DefaultDependencies=no
Before=systemd-reboot.service # also tried just reboot.service
Requires=network.target
After=network.target
[Service]
ExecStart=/bin/su -c 'echo "nvidia" | /usr/bin/ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no nvidia@%H-jetson "sudo -S reboot"' robot
Type=oneshot
RemainAfterExit=yes
[Install]
WantedBy=reboot.target
Then I enabled the service with systemctl enable restart-jetson.service
and systemctl daemon-reload
.
SSH is configured for passwordless login on slave.
If I restart the service from a running system, slave is rebooted. However, rebooting the master system does nothing to the slave. How should I configure this systemd unit correctly?
Other SO posts or tutorials seem like this method should work, but for this particular use-case it doesn't seem to do anything.
systemd reboot
2
Is your question, “How do I run a program/script when my system goes down for reboot?”?
– ctrl-alt-delor
Apr 6 at 21:29
Okay, I'll clarify the quetsion. The fact is other commands can be run using services like this, but the problem is in this particular use-case nothing happens.
– Martin Pecka
Apr 6 at 22:14
add a comment |
I have two computers (let's call them master and slave) connected via ethernet with static IP addressing.
What I want to achieve is to reboot slave whenever master is rebooted, and power it off whenever master is powered off.
Both systems are runinng Ubuntu Bionic with systemd.
So far I only concentrated on the rebooting. I created file /lib/systemd/system/restart-jetson.service
with the following contents:
[Unit]
Description=Restart Jetson
DefaultDependencies=no
Before=systemd-reboot.service # also tried just reboot.service
Requires=network.target
After=network.target
[Service]
ExecStart=/bin/su -c 'echo "nvidia" | /usr/bin/ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no nvidia@%H-jetson "sudo -S reboot"' robot
Type=oneshot
RemainAfterExit=yes
[Install]
WantedBy=reboot.target
Then I enabled the service with systemctl enable restart-jetson.service
and systemctl daemon-reload
.
SSH is configured for passwordless login on slave.
If I restart the service from a running system, slave is rebooted. However, rebooting the master system does nothing to the slave. How should I configure this systemd unit correctly?
Other SO posts or tutorials seem like this method should work, but for this particular use-case it doesn't seem to do anything.
systemd reboot
I have two computers (let's call them master and slave) connected via ethernet with static IP addressing.
What I want to achieve is to reboot slave whenever master is rebooted, and power it off whenever master is powered off.
Both systems are runinng Ubuntu Bionic with systemd.
So far I only concentrated on the rebooting. I created file /lib/systemd/system/restart-jetson.service
with the following contents:
[Unit]
Description=Restart Jetson
DefaultDependencies=no
Before=systemd-reboot.service # also tried just reboot.service
Requires=network.target
After=network.target
[Service]
ExecStart=/bin/su -c 'echo "nvidia" | /usr/bin/ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no nvidia@%H-jetson "sudo -S reboot"' robot
Type=oneshot
RemainAfterExit=yes
[Install]
WantedBy=reboot.target
Then I enabled the service with systemctl enable restart-jetson.service
and systemctl daemon-reload
.
SSH is configured for passwordless login on slave.
If I restart the service from a running system, slave is rebooted. However, rebooting the master system does nothing to the slave. How should I configure this systemd unit correctly?
Other SO posts or tutorials seem like this method should work, but for this particular use-case it doesn't seem to do anything.
systemd reboot
systemd reboot
edited Apr 6 at 22:15
Martin Pecka
asked Apr 6 at 21:20
Martin PeckaMartin Pecka
215214
215214
2
Is your question, “How do I run a program/script when my system goes down for reboot?”?
– ctrl-alt-delor
Apr 6 at 21:29
Okay, I'll clarify the quetsion. The fact is other commands can be run using services like this, but the problem is in this particular use-case nothing happens.
– Martin Pecka
Apr 6 at 22:14
add a comment |
2
Is your question, “How do I run a program/script when my system goes down for reboot?”?
– ctrl-alt-delor
Apr 6 at 21:29
Okay, I'll clarify the quetsion. The fact is other commands can be run using services like this, but the problem is in this particular use-case nothing happens.
– Martin Pecka
Apr 6 at 22:14
2
2
Is your question, “How do I run a program/script when my system goes down for reboot?”?
– ctrl-alt-delor
Apr 6 at 21:29
Is your question, “How do I run a program/script when my system goes down for reboot?”?
– ctrl-alt-delor
Apr 6 at 21:29
Okay, I'll clarify the quetsion. The fact is other commands can be run using services like this, but the problem is in this particular use-case nothing happens.
– Martin Pecka
Apr 6 at 22:14
Okay, I'll clarify the quetsion. The fact is other commands can be run using services like this, but the problem is in this particular use-case nothing happens.
– Martin Pecka
Apr 6 at 22:14
add a comment |
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-reboot, systemd
2
Is your question, “How do I run a program/script when my system goes down for reboot?”?
– ctrl-alt-delor
Apr 6 at 21:29
Okay, I'll clarify the quetsion. The fact is other commands can be run using services like this, but the problem is in this particular use-case nothing happens.
– Martin Pecka
Apr 6 at 22:14