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--- other:win10wsl [2022/08/29 13:49]
jypeter [Hyper-V requirements] Improved
+++ other:win10wsl [2022/08/30 14:47]
jypeter Moved Uninstalling to a new Advanced usage section
@@ Line 35: / Line 35: @@
 Once you have verified that your Windows is recent enough, you should also:
-  * Install the [[other:win10apps#windows_terminal|Windows terminal]], because it will be one of the ways to open ''Ubuntu'' terminals, once ''Ubuntu'' is installed
+  * Your should really **install the [[other:win10apps#windows_terminal|Windows terminal]]**, because it will be one of useful the ways to open ''Ubuntu'' terminals, once ''Ubuntu'' is installed
-  * Know how to use copy-paste in a Powershell FIXME
+  * **Know how to use copy-paste** in:
-  * It will be useful to be able to [[other:win10config#displaying_hidden_folders_and_files_and_the_files_extension|see hidden folders and files]]
+    * a //Windows Terminal//: [[https://docs.microsoft.com/en-us/windows/terminal/selection|Selecting text in Windows Terminal]]
-  * Have at least some basic knowledge of Linux...
+    * an old ''cmd'' command prompt or a //PowerShell//: FIXME
+  * It will be useful to **be able to [[other:win10config#displaying_hidden_folders_and_files_and_the_files_extension|see hidden folders and files]]**
+  * **Have some basic knowledge of Linux**...
     * Get some [[other:newppl:starting#useful_documentation_for_beginners|basic Linux documentation]] if required
 ==== Computer CPU and memory ====
@@ Line 127: / Line 129: @@
   * Disk size after upgrading to //Ubuntu 20.04.4 LTS// with ''sudo apt update && sudo apt upgrade''\\ ''-rwxrwxrwx 1 root root 2.6G Aug 24 15:24 /mnt/c/Users/jypeter/AppData/Local/Packages/CanonicalGroupLimited.UbuntuonWindows_79rhkp1fndgsc/LocalState/ext4.vhdx''
+    * Size of the [[other:win10wsl#creating_a_backup_of_the_linux_running_in_wsl|backup tar file]] of this installation, generated with ''%%wsl --export%%'': ~1.4 Gb
 ==== Hyper-V requirements ====
+<WRAP center round tip 60%>
+You can skip reading this WSL //requirement// if you are installing WSL for the first time, and are therefor directly installing WSL 2
+Come back later if you have problems
+</WRAP>
 WSL 2 needs the //Virtual Machine Platform// to be enabled on your computer. If you have never used WSL before, you can probably go directly to the [[other:win10wsl#base_installation|Base installation]] section and ''wsl'' should install everything correctly
-If you have problems, or if you are updating WSL 1 to WSL 2, use ''systeminfo'' to check the [[https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/hyper-v-requirements?source=recommendations#verify-hardware-compatibility|Hyper-V requirements]]
+If you have problems (e.g. [[https://docs.microsoft.com/en-us/windows/wsl/troubleshooting#error-0x80370102-the-virtual-machine-could-not-be-started-because-a-required-feature-is-not-installed|The virtual machine could not be started because a required feature is not installed]]), or if you are updating WSL 1 to WSL 2, type ''systeminfo'' in a PowerShell to check if your machine meets the [[https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/hyper-v-requirements?source=recommendations#verify-hardware-compatibility|Hyper-V requirements]]
-If you get a ''No'' for one of the ''Hyper-V requirements'', check the //virtualization// settings in your [[other:bios#entering_the_bios|computer BIOS]]
+If you get a ''No'' for one of the ''Hyper-V requirements'', check the //virtualization// settings in your [[other:bios#entering_the_bios|computer BIOS]].\\ You can have a look at the [[https://en.wikipedia.org/wiki/X86_virtualization|x86 virtualization]] wikipedia page if you are wondering what ''VT-x'' and ''VT-d'' means for //Intel// processors (''AMD-v'' and ''AMD IOMMU'' for //AMD//)
 Example: HP laptop with an **Intel** CPU, and **virtualization not activated in the BIOS**
@@ Line 142: / Line 152: @@
                                             Traduction d’adresse de second niveau : Oui
                                             Prévention de l’exécution des données disponible : Oui</code>
-  * //Virtualization// section of the [[other:bios#entering_the_bios|HP BIOS]]: you need to select ''Virtualization Technology (VTx)'' and ''Virtualization Technology for Directed I/O (VTd)'' in the BIOS, save the settings and finish booting
+  * //Virtualization// section of the [[other:bios#entering_the_bios|HP BIOS]]: you need to **enable ''Virtualization Technology (VTx)'' and ''Virtualization Technology for Directed I/O (VTd)''** in the BIOS, save the settings and finish booting
     * {{ :other:hp_bios_vtx_vtd.png?direct&600 |}}
   * //Hyper-V// section of the ''systeminfo'' output with **virtualization activated in the BIOS** (after activation and reboot)
@@ Line 345: / Line 355: @@
 ===== After the base installation =====
-Once you have completed the base installation steps, you'll get a Ubuntu machine, with a //root// and user account (pre-configured to use ''sudo'' for commands that need root access) and lots of pre-installed applications (but no graphics).
+After completing the base installation steps, you get a //Ubuntu// machine with:
+  * a //root// and //user// account
+    * the //user// account is pre-configured to use ''sudo'' for commands that need root access
+  * pre-installed base Linux applications
+    * **no** graphics
+    * enough to play a bit with a Linux computer and test that the installation is working, but not enough to do some real work
 ==== Opening a terminal ====
@@ Line 475: / Line 490: @@
 ==== Ubuntu packages installed ====
-<code>$ dpkg --list
+<code>$ dpkg --list | head -n 10
 Desired=Unknown/Install/Remove/Purge/Hold
 | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
 |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
-||/ Name                  Version         Architecture    Description
+||/ Name                           Version                           Architecture Description
-+++-=====================-===============-===============-================================================
++++-==============================-=================================-============-===============================================================================
-ii  accountsservice       0.6.45-1ubuntu1 amd64           query and manipulate user account information
+ii  accountsservice                0.6.55-0ubuntu12~20.04.5          amd64        query and manipulate user account information
-ii  acl                   2.2.52-3build1  amd64           Access control list utilities
+ii  adduser                        3.118ubuntu2                      all          add and remove users and groups
-ii  acpid                 1:2.0.28-1ubunt amd64           Advanced Configuration and Power Interface event
+ii  alsa-topology-conf             1.2.2-1                           all          ALSA topology configuration files
-ii  adduser               3.116ubuntu1    all             add and remove users and groups
+ii  alsa-ucm-conf                  1.2.2-1ubuntu0.13                 all          ALSA Use Case Manager configuration files
+ii  apparmor                       2.13.3-7ubuntu5.1                 amd64        user-space parser utility for AppArmor
-[...]
-ii  xterm                 330-1ubuntu2    amd64           X terminal emulator
-ii  xxd                   2:8.0.1453-1ubu amd64           tool to make (or reverse) a hex dump
-ii  xz-utils              5.2.2-1.3       amd64           XZ-format compression utilities
-ii  zerofree              1.0.4-1         amd64           zero free blocks from ext2, ext3 and ext4 file-s
-ii  zlib1g:amd64          1:1.2.11.dfsg-0 amd64           compression library - runtime
-$ dpkg --list > /mnt/c/Scratch/jyp/pkg_initial_201601.txt
+$ dpkg --list > /mnt/c/Scratch/jypeter/Ubuntu_Installed_List_`date +"%y-%m-%d"`.txt
-$ wc -l /mnt/c/Scratch/jyp/pkg_initial_201601.txt
+$ wc -l /mnt/c/Scratch/jypeter/Ubuntu_Installed_List_*.txt
- /mnt/c/Scratch/jypeter/pkg_initial_201601.txt</code>
+ /mnt/c/Scratch/jypeter/Ubuntu_Installed_List_22-08-29.txt</code>
-Full (example) list of installed packages: {{:other:pkg_initial_201601.txt|pkg_initial_201601.txt}}
+Full (example) list of installed packages: {{ :other:ubuntu_installed_list_22-08-29.txt |}}
 ==== Update ubuntu ====
@@ Line 988: / Line 997: @@
 > wsl --list --verbose
   NAME      STATE           VERSION
-* Ubuntu    Running         1</code>
+* Ubuntu    Running         2</code>
     * [[other:win10wsl#rebooting_wsl|Stop WSL+Linux]]
       * <code>> wsl --list --verbose
   NAME      STATE           VERSION
-* Ubuntu    Running         1
+* Ubuntu    Running         2
 > wsl --shutdown
-> wsl --list --verbose
+> wsl -l -v
   NAME      STATE           VERSION
-* Ubuntu    Stopped         1</code>
+* Ubuntu    Stopped        21</code>
     * Export the current Linux to a //tar// file:
+      * FIXME ''wsl --export Ubuntu C:\Scratch\jypeter\WSL\WSL_Ubuntu_20.04.4_LTS_stdu_22-08-29.tar''
+        * 1.4 Gb
       * <code> > wsl --export Ubuntu C:\Scratch\<your_login>\<your_login>_ubuntu-<ubuntu_version>-full_<some_date>.tar</code>
     * You can optionally open a new terminal (this will start again WSL+Ubuntu) to get some information about the created file (size and number of saved files/directories), and compress it in order to save some disk space
@@ Line 1037: / Line 1048: @@
     * Can we restore (//clone//) a backed up Linux distribution on another Windows 10 computer for another user?
       * if the default user (and its password) has to be changed, you probably have to follow the steps to [[https://docs.microsoft.com/en-us/windows/wsl/user-support#for-fall-creators-update-and-later|reset the Linux password]] and find a way to create a new account when the ''root'' password is activated
+===== Advanced usage =====
 ==== Uninstalling WSL ====
-Not too sure about this part...
+Before starting, you may want to make a backup of whatever you had in your Ubuntu home directory, and all the files and settings that are not in the ''/mnt'' directories
+=== Removing a Linux installation ===
+This process is called unregistering
+You just need to get the list of the currently installed Linux distributions, stop them and remove/unregister a specific distribution name
+<code>> wsl -l -v
+  NAME             STATE           VERSION
+* Ubuntu           Stopped         2
+  Ubuntu_custom    Running         2
+> wsl --terminate Ubuntu_custom
+> wsl -l -v
+  NAME             STATE           VERSION
+* Ubuntu           Stopped         2
+  Ubuntu_custom    Stopped         2
+> wsl --unregister Ubuntu_custom
+Désinscription...
+> wsl -l -v
+  NAME             STATE           VERSION
+* Ubuntu           Stopped         2</code>
+=== Removing WSL ===
+FIXME
-  * Make a backup of whatever you had in your Ubuntu home directory, and all the files and settings that are not in the ''/mnt'' directories
-  * Find how to unregister Ubuntu on the [[https://docs.microsoft.com/en-us/windows/wsl/wsl-config|Manage and configure Windows Subsystem for Linux]] page
-  * and then disable WSL???
 ===== Miscellaneous =====
@@ Line 1079: / Line 1121: @@
   * For WSL 2, you also need to meet the [[other:win10wsl#hyper-v_requirements|Hyper-V requirements]]
-=== Updating! ===
+=== Upgrading WSL ===
-[[https://docs.microsoft.com/en-us/windows/wsl/install-manual#step-3---enable-virtual-machine-feature|Activate the Virtual Machine Platform]] (just the //Step 3// instructions) and reboot the computer
+[[https://docs.microsoft.com/en-us/windows/wsl/install-manual#step-3---enable-virtual-machine-feature|Activate the Virtual Machine Platform]] (just the //Step 3// instructions) and **reboot the computer**
 After rebooting, go back to the [[other:win10wsl#determining_which_version_of_wsl_is_installed|Determining which version of WSL is installed]] section above, and check that you are now using WSL 2

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