IT/Software/Command Line Applications/wakeonlan: Difference between revisions
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* There are countless tutorials on how to do this. | * There are countless tutorials on how to do this. | ||
* Making it "persistent" is the tricky bit. | * Making it "persistent" is the tricky bit. | ||
* | *Install some tools | ||
<code>sudo apt install net-tools ethtool</code> | |||
** net-tools brings ifconfig and arp which allows a LAN scan for MAC addresses | |||
See what is enabled. | |||
<code>sudo ethtool interfaceName</code> | |||
** for example sudo ethtool enp3s0 | |||
** look for Wake-on and see what is supported and enabled. | |||
***we want "g" | |||
*Look what is persistent | |||
<code>nmcli c show jademonkeyWired | grep 802-3-ethernet.wake-on-lan</code> | |||
** You will get an output like this | |||
802-3-ethernet.wake-on-lan: magic | |||
802-3-ethernet.wake-on-lan-password: -- | |||
** We want "magic" not "default" | |||
* If not "magic" then modify it by | |||
<code>nmcli c modify jademonkeyWired 802-3-ethernet.wake-on-lan magic | |||
</code> | |||
** Say you are working at home. | ** Say you are working at home. | ||
** You want to turn on and update all the computers | ** You want to turn on and update all the computers | ||
Revision as of 14:43, 19 October 2020
General
You need to allow this in the BIOS first.
Then the computers need to be kept attached to the network and power.
Having them on a UPS is good.
Configuration
- There are countless tutorials on how to do this.
- Making it "persistent" is the tricky bit.
- Install some tools
sudo apt install net-tools ethtool
- net-tools brings ifconfig and arp which allows a LAN scan for MAC addresses
See what is enabled.
sudo ethtool interfaceName
- for example sudo ethtool enp3s0
- look for Wake-on and see what is supported and enabled.
- we want "g"
- Look what is persistent
nmcli c show jademonkeyWired | grep 802-3-ethernet.wake-on-lan
- You will get an output like this
802-3-ethernet.wake-on-lan: magic 802-3-ethernet.wake-on-lan-password: --
- We want "magic" not "default"
- If not "magic" then modify it by
nmcli c modify jademonkeyWired 802-3-ethernet.wake-on-lan magic
- Say you are working at home.
- You want to turn on and update all the computers
- You can login to the main server, wake up all the desktops and they update.
- There are several requirements
- You need to