at, batch, wireplumber: reduce systemctl usage in common (#16019)

pages/common/at.md

@@ -4,10 +4,6 @@
 > Results will be sent to the users mail.
 > More information: <https://manned.org/at>.
 
-- Start the `atd` daemon:
-
-`systemctl start atd`
-
 - Create commands interactively and execute them in 5 minutes (press `<Ctrl d>` when done):
 
 `at now + 5 minutes`

pages/common/batch.md

@@ -5,10 +5,6 @@
 > See also: `at`, `atq`, `atrm` `mail`.
 > More information: <https://manned.org/batch>.
 
-- Start the `atd` daemon:
-
-`systemctl start atd`
-
 - Execute commands from `stdin` (press `<Ctrl d>` when done):
 
 `batch`

pages/common/wireplumber.md

@@ -4,10 +4,6 @@
 > See also: `wpctl`, `pipewire`.
 > More information: <https://pipewire.pages.freedesktop.org/wireplumber/>.
 
-- Make WirePlumber start with the user session immediately (for systemd systems):
-
-`systemctl --user --now enable wireplumber`
-
 - Run WirePlumber, after `pipewire` is started (for non-systemd systems):
 
 `wireplumber`

pages/linux/at.md

@@ -0,0 +1,33 @@
+# at
+
+> Execute commands once at a later time.
+> Results will be sent to the users mail.
+> More information: <https://manned.org/at>.
+
+- Start the `atd` daemon:
+
+`systemctl start atd`
+
+- Create commands interactively and execute them in 5 minutes (press `<Ctrl d>` when done):
+
+`at now + 5 minutes`
+
+- Create commands interactively and execute them at a specific time:
+
+`at {{hh:mm}}`
+
+- Execute a command from `stdin` at 10:00 AM today:
+
+`echo "{{command}}" | at 1000`
+
+- Execute commands from a given file next Tuesday:
+
+`at -f {{path/to/file}} 9:30 PM Tue`
+
+- List all queued jobs for the current user (same as `atq`):
+
+`at -l`
+
+- View a specied job:
+
+`at -c {{job_number}}`

pages/linux/batch.md

@@ -0,0 +1,18 @@
+# batch
+
+> Execute commands at a later time when the system load levels permit.
+> Results will be sent to the user's mail.
+> See also: `at`, `atq`, `atrm` `mail`.
+> More information: <https://manned.org/batch>.
+
+- Start the `atd` daemon:
+
+`systemctl start atd`
+
+- Execute commands from `stdin` (press `<Ctrl d>` when done):
+
+`batch`
+
+- Execute a command from `stdin`:
+
+`echo "{{./make_db_backup.sh}}" | batch`

pages/linux/wireplumber.md

@@ -0,0 +1,25 @@
+# wireplumber
+
+> A modular session/policy manager for PipeWire and a GObject-based high-level library that wraps PipeWire’s API.
+> See also: `wpctl`, `pipewire`.
+> More information: <https://pipewire.pages.freedesktop.org/wireplumber/>.
+
+- Make WirePlumber start with the user session immediately (for systemd systems):
+
+`systemctl --user --now enable wireplumber`
+
+- Run WirePlumber, after `pipewire` is started (for non-systemd systems):
+
+`wireplumber`
+
+- Specify a different context configuration file:
+
+`wireplumber --config-file {{path/to/file}}`
+
+- Display help:
+
+`wireplumber --help`
+
+- Display version:
+
+`wireplumber --version`