Update cheatsheets

tldr/linux/apk

@@ -6,9 +6,13 @@ source: https://github.com/tldr-pages/tldr.git
 # apk
 
 > Alpine Linux package management tool.
-> More information: <https://manned.org/apk>.
+> More information: <https://wiki.alpinelinux.org/wiki/Alpine_Package_Keeper>.
 
-- Update repository indexes from all remote repositories:
+- Update repository indexes and upgrade all packages:
+
+`apk upgrade {{[-U|--update-cache]}}`
+
+- Only update repository indexes:
 
 `apk update`
 
@@ -20,13 +24,17 @@ source: https://github.com/tldr-pages/tldr.git
 
 `apk del {{package}}`
 
-- Repair a package or upgrade it without modifying main dependencies:
+- Repair/Reinstall a package without modifying main dependencies:
 
 `apk fix {{package}}`
 
-- Search for a package via keywords:
+- Search for packages with a keyword in their name and list results with descriptions:
 
-`apk search {{keywords}}`
+`apk search {{[-v|--verbose]}} {{keyword}}`
+
+- Search for packages with a keyword in their description:
+
+`apk search {{[-d|--description]}} {{keyword}}`
 
 - Display information about a specific package:
 

tldr/linux/chsh

@@ -15,7 +15,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - List available shells:
 
-`chsl {{[-l|--list-shells]}}`
+`chsh {{[-l|--list-shells]}}`
 
 - Set a specific login shell for the current user:
 

tldr/linux/openrc

@@ -15,4 +15,4 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Change to a specific runlevel, but don't stop any existing services:
 
-`sudo openrc --no-stop {{runlevel_name}}`
+`sudo openrc {{[-n|--no-stop]}} {{runlevel_name}}`

tldr/linux/rc-service

@@ -27,7 +27,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Simulate running a service's custom command:
 
-`sudo rc-service --dry-run {{service_name}} {{command_name}}`
+`sudo rc-service {{[-Z|--dry-run]}} {{service_name}} {{command_name}}`
 
 - Actually run a service's custom command:
 
@@ -35,4 +35,4 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Resolve the location of a service definition on disk:
 
-`sudo rc-service --resolve {{service_name}}`
+`sudo rc-service {{[-r|--resolve]}} {{service_name}}`

tldr/linux/rc-status

@@ -15,24 +15,24 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Include services in all runlevels in the summary:
 
-`rc-status --all`
+`rc-status {{[-a|--all]}}`
 
 - List services that have crashed:
 
-`rc-status --crashed`
+`rc-status {{[-c|--crashed]}}`
 
 - List manually started services:
 
-`rc-status --manual`
+`rc-status {{[-m|--manual]}}`
 
 - List supervised services:
 
-`rc-status --supervised`
+`rc-status {{[-S|--supervised]}}`
 
-- Get the current runlevel:
+- Display the current runlevel:
 
-`rc-status --runlevel`
+`rc-status {{[-r|--runlevel]}}`
 
 - List all runlevels:
 
-`rc-status --list`
+`rc-status {{[-l|--list]}}`

tldr/linux/rc-update

@@ -9,9 +9,13 @@ source: https://github.com/tldr-pages/tldr.git
 > See also `openrc`.
 > More information: <https://manned.org/rc-update>.
 
-- List all services and the runlevels they are added to:
+- List enabled services and the runlevels they are added to:
 
-`rc-update show`
+`rc-update`
+
+- List all services:
+
+`rc-update {{[-v|--verbose]}}`
 
 - Add a service to a runlevel:
 
@@ -19,8 +23,8 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Delete a service from a runlevel:
 
-`sudo rc-update delete {{service_name}} {{runlevel}}`
+`sudo rc-update {{[del|delete]}} {{service_name}} {{runlevel}}`
 
 - Delete a service from all runlevels:
 
-`sudo rc-update --all delete {{service_name}}`
+`sudo rc-update {{[-a|--all]}} {{[del|delete]}} {{service_name}}`