Update cheatsheets

tldr/clusterdb

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# clusterdb
+
+> Cluster (reorganize) a PostgreSQL database.
+> More information: <https://www.postgresql.org/docs/current/app-clusterdb.html>.
+
+- Cluster a specific database:
+
+`clusterdb {{database_name}}`
+
+- Cluster all databases:
+
+`clusterdb {{[-a|--all]}}`
+
+- Cluster a specific table in a database:
+
+`clusterdb {{[-t|--table]}} {{table_name}} {{database_name}}`

tldr/curl

@@ -34,7 +34,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 `curl {{[-d|--data]}} {{'{"name":"bob"}'}} {{[-H|--header]}} {{'Content-Type: application/json'}} {{http://example.com/users/1234}}`
 
-- Pass client certificate and key for a resource, skipping certificate validation:
+- Pass client certificate and private key for the request, skipping certificate validation:
 
 `curl {{[-E|--cert]}} {{client.pem}} --key {{key.pem}} {{[-k|--insecure]}} {{https://example.com}}`
 

tldr/dosbox

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# dosbox
+
+> MS-DOS emulator to run legacy DOS applications and games.
+> More information: <https://www.dosbox.com/wiki/Usage>.
+
+- Start DOSBox with default settings:
+
+`dosbox`
+
+- Run a DOS executable located at a specific path:
+
+`dosbox {{path/to/executable.exe}}`
+
+- Mount a folder as C: and run an executable:
+
+`dosbox {{path/to/executable.exe}} -c "MOUNT C {{path/to/folder}}"`
+
+- Start DOSBox in fullscreen mode:
+
+`dosbox -fullscreen`
+
+- Exit DOSBox automatically after running a program:
+
+`dosbox {{path/to/executable.exe}} -exit`

tldr/gh-variable

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# gh variable
+
+> Manage GitHub Actions and Dependabot variables.
+> More information: <https://cli.github.com/manual/gh_variable>.
+
+- List variables for the current repository:
+
+`gh variable {{[ls|list]}}`
+
+- List variables for a specific organization:
+
+`gh variable {{[ls|list]}} {{[-o|--org]}} {{organization}}`
+
+- Get a variable for the current repository:
+
+`gh variable get {{name}}`
+
+- Set a variable for the current repository (user will be prompted for the value):
+
+`gh variable set {{name}}`
+
+- Set a variable for a deployment environment in the current repository:
+
+`gh variable set {{name}} {{[-e|--env]}} {{environment_name}}`
+
+- Set an organization variable visible to all repositories:
+
+`gh variable set {{name}} {{[-o|--org]}} {{organization}} {{[-v|--visibility]}} all`
+
+- Set multiple variables from a dotenv file:
+
+`gh variable set {{[-f|--env-file]}} {{path/to/file.env}}`
+
+- Delete a variable for the current repository:
+
+`gh variable delete {{name}}`

tldr/git-fast-export

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git fast-export
+
+> Exports the contents and history of a Git repository in a streamable, plain-text format.
+> More information: <https://manned.org/git-fast-export>.
+
+- Export the entire Git repository history to `stdout`:
+
+`git fast-export --all`
+
+- Export the entire repository to a file:
+
+`git fast-export --all > {{path/to/file}}`
+
+- Export a specific branch only:
+
+`git fast-export {{main}}`
+
+- Export with `progress` statements every `n` objects (for showing progress during `git fast-import`):
+
+`git fast-export --progress {{n}} --all > {{path/to/file}}`
+
+- Export only a specific subdirectory’s history:
+
+`git fast-export --all -- {{path/to/directory}} > {{path/to/file}}`

tldr/kubectl-api-versions

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# kubectl api-versions
+
+> Print the supported API versions on the server, in the form of "group/version".
+> More information: <https://kubernetes.io/docs/reference/kubectl/generated/kubectl_api-versions>.
+
+- Print the supported API versions on the server, in the form of "group/version":
+
+`kubectl api-versions`

tldr/kubectl-version

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# kubectl version
+
+> Print the client and server version information for the current context.
+> More information: <https://kubernetes.io/docs/reference/kubectl/generated/kubectl_version>.
+
+- Print the client and server version information for the current context:
+
+`kubectl version`
+
+- Print the client version only for the current context:
+
+`kubectl version --client`
+
+- Output the client and server version information for the current context in JSON:
+
+`kubectl version {{[-o|--output]}} json`
+
+- Output the client and server version information for the current context in YAML:
+
+`kubectl version {{[-o|--output]}} yaml`

tldr/linux/paccapability

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# paccapability
+
+> Query and display the capabilities supported by libalpm.
+> More information: <https://github.com/andrewgregory/pacutils/blob/master/doc/paccapability.pod>.
+
+- List all available capabilities:
+
+`paccapability`
+
+- Check for the specified capability:
+
+`paccapability {{nls|downloader|signatures}}`
+
+- Display help:
+
+`paccapability --help`
+
+- Display version:
+
+`paccapability --version`

tldr/linux/paccheck

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# paccheck
+
+> Check installed packages on an Arch-based system to verify dependencies, integrity, and consistency.
+> More information: <https://github.com/andrewgregory/pacutils/blob/master/doc/paccheck.pod>.
+
+- List and check all installed packages:
+
+`paccheck`
+
+- Check the specified packages:
+
+`paccheck {{package1 package2 ...}}`
+
+- Only display messages if a problem is found:
+
+`paccheck --quiet`
+
+- Check that all package dependencies are satisfied:
+
+`paccheck --depends`
+
+- Display help:
+
+`paccheck --help`
+
+- Display version:
+
+`paccheck --version`

tldr/linux/pacinfo

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pacinfo
+
+> Display information about installed packages.
+> More information: <https://github.com/andrewgregory/pacutils/blob/master/doc/pacinfo.pod>.
+
+- Display information about a specific package:
+
+`pacinfo {{package_name}}`
+
+- Disable low-speed timeouts for downloads:
+
+`pacinfo --no-timeout {{package_name}}`
+
+- Display sizes in bytes and date values as Unix timestamps:
+
+`pacinfo --raw {{package_name}}`
+
+- Display additional package information:
+
+`pacinfo --verbose {{package_name}}`
+
+- Display help:
+
+`pacinfo --help`
+
+- Display version:
+
+`pacinfo --version`

tldr/linux/pacini

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pacini
+
+> Query pacman-style configuration files.
+> More information: <https://github.com/andrewgregory/pacutils/blob/master/doc/pacini.pod>.
+
+- Show the full parsed configuration file (default: `stdin`):
+
+`pacini {{path/to/file}}`
+
+- List configured sections:
+
+`pacini --section-list`
+
+- Always show directive names even if only one directive is provided:
+
+`pacini --verbose {{directive}}`
+
+- Display directives listed in a specific section:
+
+`pacini --section {{section_name}}`
+
+- Display help:
+
+`pacini --help`
+
+- Display version:
+
+`pacini --version`

tldr/linux/systemctl-is-active

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemctl is-active
+
+> Check if one or more systemd units are active.
+> More information: <https://www.freedesktop.org/software/systemd/man/latest/systemctl.html#is-active%20PATTERN%E2%80%A6>.
+
+- Check whether a unit is active:
+
+`systemctl is-active {{unit}}`
+
+- Check whether multiple units are active:
+
+`systemctl is-active {{unit1 unit2 ...}}`
+
+- Check whether a unit is active without printing the state to `stdout`:
+
+`systemctl is-active {{[-q|--quiet]}} {{unit}}`
+
+- Check whether a user unit is active:
+
+`systemctl is-active --user {{unit}}`

tldr/linux/systemctl-is-enabled

@@ -0,0 +1,22 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemctl is-enabled
+
+> Check whether unit files are enabled.
+> See also: `systemctl enable`, `systemctl disable`.
+> More information: <https://www.freedesktop.org/software/systemd/man/latest/systemctl.html#is-enabled%20UNIT%E2%80%A6>.
+
+- Show the enablement state:
+
+`systemctl is-enabled {{unit1 unit2 ...}}`
+
+- Suppress output and return only the exit code:
+
+`systemctl is-enabled {{unit}} --quiet`
+
+- Show installation targets and symlink paths:
+
+`systemctl is-enabled {{unit}} --full`

tldr/linux/systemctl-list-units

@@ -0,0 +1,38 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemctl list-units
+
+> List units that systemd currently has in memory.
+> See also: `systemctl list-unit-files` for listing installed unit files.
+> More information: <https://www.freedesktop.org/software/systemd/man/latest/systemctl.html#list-units%20PATTERN%E2%80%A6>.
+
+- List units which are active, have pending jobs, or have failed:
+
+`systemctl list-units`
+
+- List all units, including inactive ones:
+
+`systemctl list-units {{[-a|--all]}}`
+
+- Filter by unit type:
+
+`systemctl list-units {{[-t|--type]}} {{service|socket|timer|...}}`
+
+- Filter by state:
+
+`systemctl list-units --state {{running|listening|dead|...}}`
+
+- Filter by a name pattern:
+
+`systemctl list-units 'systemd*'`
+
+- Print output directly to `stdout`:
+
+`systemctl list-units --no-pager`
+
+- Print output without headers or footers (for scripts):
+
+`systemctl list-units --no-legend`

tldr/osx/contactsd

@@ -0,0 +1,15 @@
+---
+syntax: markdown
+tags: [tldr, osx]
+source: https://github.com/tldr-pages/tldr.git
+---
+# contactsd
+
+> Manages the information in your contacts database.
+> It provides functionality to apps using the Contacts API and performs various background maintenance tasks.
+> It should not be invoked manually.
+> More information: <https://keith.github.io/xcode-man-pages/contactsd.8.html>.
+
+- Start the daemon:
+
+`contactsd`

tldr/pg_archivecleanup

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pg_archivecleanup
+
+> Remove old WAL archive files in PostgreSQL.
+> More information: <https://www.postgresql.org/docs/current/pgarchivecleanup.html>.
+
+- Clean an archive directory up to a given WAL file:
+
+`pg_archivecleanup {{path/to/archive}} {{path/to/walfile}}`
+
+- Perform a dry run (list files that would be removed without actually doing it):
+
+`pg_archivecleanup {{[-n|--dry-run]}} {{path/to/archive}} {{path/to/walfile}}`
+
+- Strip a file extension before deciding deletion:
+
+`pg_archivecleanup {{[-x|--strip-extension]}} {{extension}} {{path/to/archive}} {{path/to/walfile}}`
+
+- Remove backup history files too:
+
+`pg_archivecleanup {{[-b|--clean-backup-history]}} {{path/to/archive}} {{path/to/walfile}}`
+
+- Enable debug logging output:
+
+`pg_archivecleanup {{[-d|--debug]}} {{path/to/archive}} {{path/to/walfile}}`

tldr/pg_test_timing

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pg_test_timing
+
+> Measure timing overhead on your system (ensure clock monotonicity).
+> More information: <https://www.postgresql.org/docs/current/pgtesttiming.html>.
+
+- Run the default timing test (3 seconds):
+
+`pg_test_timing`
+
+- Run for a custom duration:
+
+`pg_test_timing {{[-d|--duration]}} {{seconds}}`

tldr/pg_walsummary

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pg_walsummary
+
+> Print contents of WAL summary files.
+> More information: <https://www.postgresql.org/docs/current/app-pgwalsummary.html>.
+
+- Convert a WAL summary file to text:
+
+`pg_walsummary {{path/to/file}}`
+
+- Print one line per individual modified block (rather than ranges):
+
+`pg_walsummary {{[-i|--individual]}} {{path/to/file}}`
+
+- Suppress normal output (only errors):
+
+`pg_walsummary {{[-q|--quiet]}} {{path/to/file}}`

tldr/pip-hash

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pip hash
+
+> Compute hashes of package archives for verification.
+> More information: <https://pip.pypa.io/en/stable/cli/pip_hash/>.
+
+- Generate hash for a package file:
+
+`pip hash {{path/to/package.whl}}`
+
+- Generate hash using a specific algorithm:
+
+`pip hash {{[-a|--algorithm]}} {{sha256|sha384|sha512|...}} {{path/to/package.whl}}`
+
+- Generate hashes for multiple files:
+
+`pip hash {{path/to/package1.whl path/to/package2.whl ...}}`
+
+- Generate hash for downloaded archive:
+
+`pip hash {{path/to/package.tar.gz}}`

tldr/pip-index

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pip index
+
+> Inspect information available from package indexes.
+> More information: <https://pip.pypa.io/en/stable/cli/pip_index/>.
+
+- List all available versions of a package:
+
+`pip index versions {{package}}`
+
+- List versions from a specific index:
+
+`pip index versions {{package}} --index-url {{https://test.pypi.org/simple/}}`
+
+- Include pre-release versions:
+
+`pip index versions {{package}} --pre`
+
+- Include an additional index:
+
+`pip index versions {{package}} --extra-index-url {{https://example.com/simple/}}`
+
+- List versions for a specific platform:
+
+`pip index versions {{package}} --platform {{linux_x86_64}}`

tldr/pip-inspect

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pip inspect
+
+> Inspect the Python environment and produce a report in JSON format.
+> More information: <https://pip.pypa.io/en/stable/cli/pip_inspect/>.
+
+- Inspect the current environment:
+
+`pip inspect`
+
+- Inspect and save output to a file:
+
+`pip inspect > {{environment_report.json}}`
+
+- Inspect only locally installed packages (not global):
+
+`pip inspect --local`
+
+- Inspect only user-installed packages:
+
+`pip inspect --user`
+
+- Inspect packages in a specific path:
+
+`pip inspect --path {{path/to/environment}}`
+
+- Inspect with verbose output (Note: the `-v` flag can be repeated to increase verbosity):
+
+`pip inspect {{[-v|--verbose]}}`

tldr/pip-wheel

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pip wheel
+
+> Build wheel archives for packages and dependencies.
+> More information: <https://pip.pypa.io/en/stable/cli/pip_wheel/>.
+
+- Build a wheel for a package:
+
+`pip wheel {{package}}`
+
+- Build wheels for packages in requirements file:
+
+`pip wheel {{[-r|--requirement]}} {{path/to/requirements.txt}}`
+
+- Build wheel to a specific directory:
+
+`pip wheel {{package}} {{[-w|--wheel-dir]}} {{path/to/directory}}`
+
+- Build wheel without dependencies:
+
+`pip wheel {{package}} --no-deps`
+
+- Build wheel from local project:
+
+`pip wheel {{path/to/project}}`
+
+- Build wheel from Git repository:
+
+`pip wheel git+{{https://github.com/user/repo.git}}`

tldr/st-flash

@@ -10,11 +10,11 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Read 4096 bytes from the device starting from 0x8000000:
 
-`st-flash read {{firmware}}.bin {{0x8000000}} {{4096}}`
+`st-flash read {{firmware}}.bin 0x8000000 4096`
 
 - Write firmware to device starting from 0x8000000:
 
-`st-flash write {{firmware}}.bin {{0x8000000}}`
+`st-flash write {{firmware}}.bin 0x8000000`
 
 - Erase firmware from device:
 

tldr/stat

@@ -12,7 +12,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 `stat {{path/to/file}}`
 
-- Display properties about a specific file such as size, permissions, creation and access dates among others without labels:
+- Display properties about a specific file, only showing the raw result data without labels:
 
 `stat {{[-t|--terse]}} {{path/to/file}}`
 

tldr/uname

@@ -33,10 +33,6 @@ source: https://github.com/tldr-pages/tldr.git
 
 `uname {{[-o|--operating-system]}}`
 
-- Print the current network node host name:
-
-`uname {{[-n|--nodename]}}`
-
 - Display help:
 
 `uname --help`

tldr/vacuumdb

@@ -0,0 +1,37 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# vacuumdb
+
+> Garbage-collect and analyze a PostgreSQL database.
+> More information: <https://www.postgresql.org/docs/current/app-vacuumdb.html>.
+
+- Vacuum a specific database:
+
+`vacuumdb {{database_name}}`
+
+- Vacuum all databases:
+
+`vacuumdb {{[-a|--all]}}`
+
+- Vacuum a specific table in a database:
+
+`vacuumdb {{[-t|--table]}} {{table_name}} {{database_name}}`
+
+- Vacuum and update statistics for the query planner:
+
+`vacuumdb {{[-z|--analyze]}} {{database_name}}`
+
+- Perform a full vacuum (more aggressive, locks tables, rewrites the whole table):
+
+`vacuumdb {{[-f|--full]}} {{database_name}}`
+
+- Vacuum with verbose output:
+
+`vacuumdb {{[-v|--verbose]}} {{database_name}}`
+
+- Vacuum a database using multiple parallel jobs:
+
+`vacuumdb --jobs {{number_of_jobs}} {{database_name}}`