pages/linux/*: generalize Fedora & Ubuntu version examples (#19061)

Signed-off-by: Dharun Krishna K B <[email protected]>
Co-authored-by: Managor <[email protected]>

Author: kbdharun

pages/linux/debootstrap.md

@@ -11,9 +11,9 @@
 
 `sudo debootstrap --variant=minbase stable {{path/to/debian-root}}/`
 
-- Create an Ubuntu 20.04 system inside the `focal-root` directory with a local mirror:
+- Create a Debian Unstable system inside the `sid-root` directory with a local mirror:
 
-`sudo debootstrap focal {{path/to/focal-root}}/ {{file:///path/to/mirror/}}`
+`sudo debootstrap sid {{path/to/sid-root}}/ {{file:///path/to/mirror/}}`
 
 - Switch to a bootstrapped system:
 

pages/linux/tmt-try.md

@@ -13,7 +13,7 @@
 
 - Use a specific operating system:
 
-`tmt try {{fedora-41}}`
+`tmt try {{rhel-9}}`
 
 - Select both custom image and provision method:
 

pages/linux/toolbox-create.md

@@ -17,8 +17,8 @@
 
 - Create a `toolbox` container from a custom Fedora image:
 
-`toolbox create {{[-i|--image]}} {{registry.fedoraproject.org/fedora-toolbox:39}}`
+`toolbox create {{[-i|--image]}} {{quay.io/fedora/fedora:tag}}`
 
-- Create a `toolbox` container using the default image for Fedora 39:
+- Create a `toolbox` container using the default image for a specific Fedora release:
 
-`toolbox create {{[-d|--distro]}} {{fedora}} {{[-r|--release]}} {{f39}}`
+`toolbox create {{[-d|--distro]}} {{fedora}} {{[-r|--release]}} f{{version}}`

pages/linux/toolbox-enter.md

@@ -12,6 +12,6 @@
 
 `toolbox enter {{[-r|--release]}} {{release}}`
 
-- Enter a toolbox container using the default image for Fedora 39:
+- Enter a toolbox container using the default image for a specific Fedora release:
 
-`toolbox enter {{[-d|--distro]}} {{fedora}} {{[-r|--release]}} {{f39}}`
+`toolbox enter {{[-d|--distro]}} {{fedora}} {{[-r|--release]}} f{{version}}`

pages/linux/toolbox-run.md

@@ -12,6 +12,6 @@
 
 `toolbox run {{[-d|--distro]}} {{distribution}} {{[-r|--release]}} {{release}} {{command}}`
 
-- Run `emacs` inside a `toolbox` container using the default image for Fedora 39:
+- Run `emacs` inside a `toolbox` container using the default image for a specific Fedora release:
 
-`toolbox run {{[-d|--distro]}} {{fedora}} {{[-r|--release]}} {{f39}} {{emacs}}`
+`toolbox run {{[-d|--distro]}} {{fedora}} {{[-r|--release]}} f{{version}} {{emacs}}`