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Added info on using qvm-prefs to change kernelopts

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Fixes the lack-of-documentation issue described in QubesOS/qubes-issues#4797
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Marta Marczykowska-Górecka 2019-02-24 19:01:26 +01:00 committed by GitHub
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commit afa78902d7
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1 changed files with 10 additions and 2 deletions
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12
configuration/managing-vm-kernel.md
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@ -11,8 +11,8 @@ VM kernel managed by dom0
By default, VMs kernels are provided by dom0. This means that:
1. You can select the kernel version in VM settings;
2. You can modify kernel options in VM settings;
1. You can select the kernel version (using GUI VM Settings tool or `qvm-prefs` commandline tool);
2. You can modify kernel options (using `qvm-prefs` commandline tool);
3. You can **not** modify any of the above from inside a VM;
4. Installing additional kernel modules is cumbersome.
@ -48,6 +48,14 @@ updatevm : sys-firewall
[user@dom0 ~]$ qubes-prefs -s default-kernel 3.19.fc20
~~~
To view kernel options, you can use the GUI VM Settings tool; to view and change them, use `qvm-prefs` commandline tool:
~~~
[user@dom0 ~]$ qvm-prefs -g work kernelopts
nopat
[user@dom0 ~]$ qvm-prefs -s work kernelopts "nopat apparmor=1 security=apparmor"
~~~
Installing different kernel using Qubes kernel package
----------------------------------