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89 lines
4.2 KiB
Markdown
89 lines
4.2 KiB
Markdown
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# Removing TemplateVM Packages
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When removing any packages from a default TemplateVM, be sure to check what's being removed by `apt autoremove` or `dnf`.
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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.
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As an example from a terminal in a TemplateVM:
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```shell_session
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$ sudo apt remove thunderbird
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Reading package lists... Done
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Building dependency tree
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Reading state information... Done
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The following packages were automatically installed and are no longer required:
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debugedit libjs-sphinxdoc libjs-underscore librpm3 librpmbuild3 librpmio3
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librpmsign3 libsqlite0 linux-headers-4.9.0-6-amd64
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linux-headers-4.9.0-6-common linux-image-4.9.0-6-amd64 python-backports-abc
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python-cffi-backend python-concurrent.futures python-croniter
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python-cryptography python-dateutil python-enum34 python-idna
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python-iniparse python-ipaddress python-jinja2 python-libxml2 python-lzma
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python-markupsafe python-msgpack python-openssl python-pyasn1 python-pycurl
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python-requests python-rpm python-singledispatch python-six python-sqlite
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python-sqlitecachec python-tornado python-tz python-urlgrabber
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python-urllib3 python-xpyb python-yaml qubes-core-agent-dom0-updates
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qubes-core-agent-passwordless-root qubes-gpg-split qubes-img-converter
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qubes-input-proxy-sender qubes-mgmt-salt-vm-connector qubes-pdf-converter
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qubes-usb-proxy rpm rpm-common rpm2cpio salt-common salt-ssh usbutils yum
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yum-utils
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Use 'sudo apt autoremove' to remove them.
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The following packages will be REMOVED:
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icedove lightning qubes-thunderbird qubes-vm-recommended thunderbird
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0 upgraded, 0 newly installed, 5 to remove and 0 not upgraded.
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After this operation, 151 MB disk space will be freed.
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Do you want to continue? [Y/n]
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```
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Note all of the qubes packages are tracked as dependencies that will no longer be required. `apt remove` will only remove the packages listed, which is ok.
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If, however you also run `apt autoremove` the other qubes packages necessary for TemplateVMs will be removed.
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If you'd still like to remove one of these applications without breaking your TemplateVM you have a couple different options.
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## Removing Only Packages Not Needed for a Qubes TemplateVM
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### Debian
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1. In your TemplateVM terminal run:
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```shell_session $ apt remove package-name```
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Note the packages "no longer required"
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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
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**Recommended but optional:** Use `apt-mark` to make `apt autoremove` safe again.
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```shell_session
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$ sudo apt-mark manual package-name package-name
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```
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Replace package-names with actual `qubes-*` and `salt-*` packages you'd like to retain.
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For example, still in your TemplateVM terminal:
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```shell_session
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$ 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
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```
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`$ apt autoremove` should now be safe to use.
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### Fedora
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In your TemplateVM terminal, run:
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```shell_session
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$ dnf remove --noautoremove package-name
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```
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## Recovering A TemplateVM which you've already removed needed qubes-* packages
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If you've already removed packages, run `apt autoremove` and restarted your VM you've lost passwordless sudo access.
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You can login as root, open a terminal in dom0 and run:
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```shell_session
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$ qvm-run -u root vmname xterm
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```
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This will open an xterm terminal in the TemplateVM named `vmname`
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Once you're logged in as root, reinstall these packages & their dependencies:
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### Debian
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```shell_session
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$ 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
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```
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### Fedora
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Similar to Debian for example (package names may vary):
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```shell_session
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$ 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
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```
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