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94 lines
2.9 KiB
Markdown
94 lines
2.9 KiB
Markdown
# Troubleshooting
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Qusal troubleshooting guidelines.
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## Table of Contents
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* [Detect if your issue was already opened](#detect-if-your-issue-was-already-opened)
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* [Qrexec client shows Request refused](#qrexec-client-shows-request-refused)
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* [Salt wrapper qubesctl command fails](#salt-wrapper-qubesctl-command-fails)
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* [Get Salt management information](#get-salt-management-information)
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## Detect if your issue was already opened
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If you encounter any problems, search the project's
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[issue tracking system](https://github.com/ben-grande/qusal/issues?q=is%3Aissue+sort%3Aupdated-desc)
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for `Open` and `Closed` issues, sorted by `Recently updated`. For finer
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grained search, consult the
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[tracking system filter syntax](https://docs.github.com/en/issues/tracking-your-work-with-issues/filtering-and-searching-issues-and-pull-requests#using-search-to-filter-issues-and-pull-requests).
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## Qrexec client shows Request refused
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The Qrexec call was denied, either by a missing rule, an explicit deny or a
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typo in the configuration.
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Therefore, it is recommended to:
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* Check if there is a rule for the service you want to call that would
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either result in `ask` or `allow`; and
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* Check again and again if you made a typo in the policy.
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The examples below will use the qube `dev` and the RPC service `qubes.GetDate`
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and other common Qrexec RPC services as an example, substitute them with the
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qube and service you intend to use, such as qube `code` and service
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`qusal.GitInit`.
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On `dom0`, watch the Qrexec policy logs:
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```sh
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sudo journalctl -fu qubes-qrexec-policy-daemon | cut -d " " -f 7-
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```
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If you ave many simultaneous calls being shown, get on the important ones:
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```sh
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sudo journalctl -fu qubes-qrexec-policy-daemon | cut -d " " -f 7- \
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| grep -e qubes.GetDate -e qubes.Filecopy
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```
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You can emulate the call from `dom0`:
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```sh
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qrexec-policy dev @default qubes.GetDate
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```
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On the qube making the call, run the `qrexec-client-vm` command directly
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rather than using a wrapper around it:
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```sh
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qrexec-client-vm @default qubes.GetDate
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```
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## Salt wrapper qubesctl command fails
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The Salt Project has [troubleshooting](https://docs.saltproject.io/en/latest/topics/troubleshooting/)
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page for a variety of problems you may encounter.
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A nice summary of the states can be seen with the `--show-output` argument:
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```sh
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// cSpell:disable
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sudo qubesctl --show-output state.apply pkg.uptodate
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```
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Ending the Salt call with `-l debug` argument gives the most detailed output
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(may contain private information):
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```sh
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sudo qubesctl state.apply pkg.uptodate -l debug
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```
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## Get Salt management information
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Depending on the operating system of the `management_dispvm`, Salt can fail.
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Let's gather some information about it.
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Get information about the global `management_dispvm` and the same property of
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a specific qube. In this example we use `tpl-qubes-builder`, substitute for
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the qube being managed:
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```sh
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sudo qubesctl state.apply dom0.helpers
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qvm-mgmt tpl-qubes-builder
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```
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