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Fix shell_session markup

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Josh Fleming 2018-12-09 13:34:54 -08:00 committed by GitHub
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customization/removing-templatevm-packages.md
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@ -9,8 +9,7 @@ When removing any packages from a default TemplateVM, be sure to check what's be
When removing certain packages, for instance Thunderbird, `apt` and `dnf` will attempt to remove many packages required by qubes for the template to function correctly under qubes.
As an example from a terminal in a TemplateVM:
```
shell_session
```shell_session
$ sudo apt remove thunderbird
Reading package lists... Done
Building dependency tree
@ -49,34 +48,46 @@ If you'd still like to remove one of these applications without breaking your Te
1. In your TemplateVM terminal run:
```shell_session $ apt remove package-name```
Note the packages "no longer required"
2. If the list of "no longer required" packages includes anything beginning with `qubes-` or `salt-` make a note to yourself to **never** run `shell_session $ sudo apt autoremove` on this TemplateVM
2. If the list of "no longer required" packages includes anything beginning with `qubes-` or `salt-` make a note to yourself to **never** run `$ sudo apt autoremove` on this TemplateVM
**Recommended but optional:** Use `apt-mark` to make `apt autoremove` safe again.
```shell_session $ sudo apt mark-manual package-name package-name```
```shell_session
$ sudo apt mark-manual package-name package-name
```
Replace package-names with actual `qubes-*` and `salt-*` packages you'd like to retain.
For example, still in your TemplateVM terminal:
```shell_session $ sudo apt-mark manual qubes-core-agent-dom0-updates qubes-core-agent-passwordless-root qubes-gpg-split qubes-img-converter qubes-input-proxy-sender qubes-mgmt-salt-vm-connector qubes-pdf-converter salt-common salt-ssh qubes-usb-proxy```
```shell_session
$ sudo apt-mark manual qubes-core-agent-dom0-updates qubes-core-agent-passwordless-root qubes-gpg-split qubes-img-converter qubes-input-proxy-sender qubes-mgmt-salt-vm-connector qubes-pdf-converter salt-common salt-ssh qubes-usb-proxy
```
`shell_session $ apt autoremove` should now be safe to use.
`$ apt autoremove` should now be safe to use.
### Fedora
In your TemplateVM terminal, run:
```shell_session $ dnf remove --noautoremove package-name```
```shell_session
$ dnf remove --noautoremove package-name
```
## Recovering A TemplateVM which you've already removed needed qubes-* packages
If you've already removed packages, run `apt autoremove` and restarted your VM you've lost passwordless sudo access.
You can login as root, open a terminal in dom0 and run:
```shell_session $ qvm-run -u root vmname xterm```
```shell_session
$ qvm-run -u root vmname xterm
```
This will open an xterm terminal in the TemplateVM named `vmname`
Once you're logged in as root, reinstall these packages & their dependencies:
### Debian
```shell_session $ sudo apt install qubes-core-agent-dom0-updates qubes-core-agent-passwordless-root qubes-gpg-split qubes-img-converter qubes-input-proxy-sender qubes-mgmt-salt-vm-connector qubes-pdf-converter salt-common salt-ssh```
```shell_session
$ sudo apt install qubes-core-agent-dom0-updates qubes-core-agent-passwordless-root qubes-gpg-split qubes-img-converter qubes-input-proxy-sender qubes-mgmt-salt-vm-connector qubes-pdf-converter salt-common salt-ssh
```
### Fedora
Similar to Debian for example (package names may vary):
```shell_session $ sudo dnf install qubes-core-agent-dom0-updates qubes-core-agent-passwordless-root qubes-gpg-split qubes-img-converter qubes-input-proxy-sender qubes-mgmt-salt-vm-connector qubes-pdf-converter salt-common salt-ssh```
```shell_session
$ sudo dnf install qubes-core-agent-dom0-updates qubes-core-agent-passwordless-root qubes-gpg-split qubes-img-converter qubes-input-proxy-sender qubes-mgmt-salt-vm-connector qubes-pdf-converter salt-common salt-ssh
```