Update cheatsheets

tldr/linux/virt-install

@@ -6,6 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # virt-install
 
 > Create virtual machines with libvirt and begin OS installation.
+> Note: You may need to pass `--connect URI` to the commands or set up the URI in `$XDG_CONFIG_HOME/libvirt/libvirt.conf`.
 > More information: <https://manned.org/virt-install>.
 
 - Create a virtual machine with 1 GB RAM and 12 GB storage and start a Debian installation:
@@ -24,6 +25,6 @@ source: https://github.com/tldr-pages/tldr.git
 
 `virt-install {{[-n|--name]}} {{vm_name}} --cpu {{host-model}},topology.sockets={{1}},topology.cores={{4}},topology.threads={{2}} --memory {{16384}} --disk path={{path/to/image.qcow2}},size={{250}} {{[-c|--cdrom]}} {{path/to/debian.iso}}`
 
-- Create a virtual machine and kickstart an automated deployment based on Fedora 35 using only remote resources (no ISO required):
+- Create a virtual machine and kickstart an automated deployment based on Fedora 43 using only remote resources (no ISO required):
 
-`virt-install {{[-n|--name]}} {{vm_name}} --memory {{2048}} --disk path={{path/to/image.qcow2}},size={{20}} {{[-l|--location]}} {{https://download.fedoraproject.org/pub/fedora/linux/releases/35/Everything/x86_64/os/}} {{[-x|--extra-args]}} "{{inst.ks=https://path/to/valid_kickstart.org}}"`
+`virt-install {{[-n|--name]}} {{vm_name}} --memory {{2048}} --disk path={{path/to/image.qcow2}},size={{20}} {{[-l|--location]}} {{https://download.fedoraproject.org/pub/fedora/linux/releases/43/Everything/x86_64/os/}} {{[-x|--extra-args]}} "{{inst.ks=https://example.com/path/to/kickstart.ks}}"`

tldr/linux/virt-sysprep

@@ -6,13 +6,19 @@ source: https://github.com/tldr-pages/tldr.git
 # virt-sysprep
 
 > Reset, unconfigure, or customize a virtual machine image.
-> More information: <https://manned.org/virt-sysprep>.
+> This command can be used on a virtual machine or directly on a virtual machine disk image.
+> Note: You may need to pass `--connect URI` to the commands or set up the URI in `$XDG_CONFIG_HOME/libvirt/libvirt.conf`.
+> More information: <https://libguestfs.org/virt-sysprep.1.html>.
 
-- List all supported operations (enabled operations are indicated with asterisks):
+- List all supported operations (default enabled operations are indicated with asterisks):
 
 `virt-sysprep --list-operations`
 
-- Remove sensitive system data from a virtual machine image:
+- Run only the specified operations:
+
+`sudo virt-sysprep {{[-d|--domain]}} {{vm_name}} --operations {{operation1,operation2,...}}`
+
+- Remove sensitive system data from a virtual machine image (operations marked as default):
 
 `sudo virt-sysprep {{[-a|--add]}} {{path/to/image.qcow2}}`
 
@@ -20,14 +26,18 @@ source: https://github.com/tldr-pages/tldr.git
 
 `sudo virt-sysprep {{[-d|--domain]}} {{vm_name}} {{[-n|--dry-run]}}`
 
-- Run only the specified operations:
+- Reset NetworkManager network configurations, persistent MAC mappings, and the hostname to avoid network conflicts:
 
-`sudo virt-sysprep {{[-d|--domain]}} {{vm_name}} --operations {{operation1,operation2,...}}`
+`sudo virt-sysprep {{[-d|--domain]}} {{vm_name}} --operations machine-id,net-hwaddr,net-hostname,net-nmconn,customize --hostname {{new_hostname}}`
 
-- Generate a new `/etc/machine-id` file and enable customizations to be able to change the host name to avoid network conflicts:
+- Set the root password for a disk image:
 
-`sudo virt-sysprep {{[-d|--domain]}} {{vm_name}} --enable {{customizations}} --hostname {{host_name}} --operation {{machine-id}}`
+`sudo virt-sysprep {{[-a|--add]}} {{path/to/image.qcow2}} --operations customize --root-password password:{{new_password}}`
 
-- Display help:
+- Inject a new user with a defined password and add them to the sudo group:
 
-`virt-sysprep {{[-he|--help]}}`
+`sudo virt-sysprep {{[-a|--add]}} {{path/to/image.qcow2}} --run-command 'useradd -m {{username}} && echo {{username}}:{{password}} | chpasswd && usermod -aG sudo {{username}}'`
+
+- Install specific package(s) on a disk image (use `--update` to upgrade all installed packages to latest):
+
+`sudo virt-sysprep {{[-a|--add]}} {{path/to/image.qcow2}} --operations customize --network --install {{package_name1,package_name2,...}}`

tldr/linux/yad

@@ -0,0 +1,34 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# yad
+
+> Display GTK+ dialogs from shell scripts.
+> See also: `zenity`.
+> More information: <https://manned.org/yad>.
+
+- Display the contents of a file in a text information dialog:
+
+`yad --text-info --filename {{path/to/file}}`
+
+- Open a text entry dialog and return the input to `stdout`:
+
+`yad --entry --text "{{message}}"`
+
+- Open a file picker with a specific title:
+
+`yad --file --title "{{title_message}}"`
+
+- Open a date picker dialog with a specific title:
+
+`yad --calendar --title "{{title_message}}"`
+
+- Display a list dialog with multiple columns and data:
+
+`yad --list --column "{{col1}}" --column "{{col2}}" {{col1_row1 col2_row1 col1_row2 col2_row2 ...}}`
+
+- Open a pulsating progress bar that automatically closes at 100%:
+
+`{{command}} | yad --progress --pulsate --auto-close --text "{{message}}"`