Update cheatsheets

tldr/linux/pvck

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pvck
+
+> Check and repair LVM metadata on physical volumes.
+> More information: <https://manned.org/pvck>.
+
+- Print LVM on-disk headers and structures (label, PV header, MDA header, metadata area):
+
+`pvck {{/dev/sdXN}} --dump headers`
+
+- Print the current VG metadata text:
+
+`pvck {{/dev/sdXN}} --dump metadata`
+
+- List all metadata versions found in the metadata area:
+
+`pvck {{/dev/sdXN}} --dump metadata_all`
+
+- Search common locations for metadata when headers may be damaged, and save it to a file:
+
+`pvck {{/dev/sdXN}} --dump metadata_search {{[-f|--file]}} {{path/to/metadata.txt}}`
+
+- Select the second metadata area (mda2) when printing metadata:
+
+`pvck {{/dev/sdXN}} --dump metadata --settings "mda_num=2"`
+
+- Repair headers and metadata using a metadata input file (use with care):
+
+`pvck {{/dev/sdXN}} --repair {{[-f|--file]}} {{path/to/metadata_file}}`
+
+- Repair only the PV header and label header:
+
+`pvck {{/dev/sdXN}} --repairtype pv_header`

tldr/linux/pw-jack

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pw-jack
+
+> Run a JACK application with PipeWire.
+> More information: <https://docs.pipewire.org/page_man_pw-jack_1.html>.
+
+- Run a command with its arguments, using PipeWire:
+
+`pw-jack {{command}} {{argument1 argument2 ...}}`
+
+- Run a command in verbose mode:
+
+`pw-jack -v {{command}}`
+
+- Connect to a specific remote PipeWire instance:
+
+`pw-jack -r {{remote_instance_name}} {{command}}`
+
+- Display help:
+
+`pw-jack -h`

tldr/linux/semanage-login

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# semanage-login
+
+> Manage SELinux login mappings between Linux users and SELinux users.
+> See also: `semanage`, `semanage-user`.
+> More information: <https://manned.org/semanage-login>.
+
+- List all login mappings:
+
+`sudo semanage login {{[-l|--list]}}`
+
+- Add a login mapping (map Linux user to SELinux user):
+
+`sudo semanage login {{[-a|--add]}} {{[-s|--seuser]}} {{selinux_user}} {{linux_username}}`
+
+- Delete a login mapping:
+
+`sudo semanage login {{[-d|--delete]}} {{linux_username}}`
+
+- Modify an existing login mapping:
+
+`sudo semanage login {{[-m|--modify]}} {{[-s|--seuser]}} {{selinux_user}} {{linux_username}}`
+
+- Add a login mapping with a specific MLS/MCS range:
+
+`sudo semanage login {{[-a|--add]}} {{[-s|--seuser]}} {{user_u}} {{[-r|--range]}} {{s0-s0:c0.c1023}} {{linux_username}}`
+
+- List only customized login mappings:
+
+`sudo semanage login {{[-l|--list]}} {{[-C|--locallist]}}`

tldr/linux/systemctl-list-automounts

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemctl list-automounts
+
+> List automount units currently in memory, showing mount paths and unit names.
+> See also: `systemctl list-units`, `systemctl list-unit-files`.
+> More information: <https://www.freedesktop.org/software/systemd/man/latest/systemctl.html#list-automounts%20PATTERN%E2%80%A6>.
+
+- List automount units currently in memory:
+
+`systemctl list-automounts`
+
+- List all automount units, including inactive ones:
+
+`systemctl list-automounts {{[-a|--all]}}`
+
+- Filter automount units by state:
+
+`systemctl list-automounts --state {{active|inactive|failed|...}}`
+
+- Filter automount units by name pattern:
+
+`systemctl list-automounts {{pattern1 pattern2 ...}}`