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--- other:win10wsl [2022/08/31 13:47] – [Creating a backup of a Linux installation] Improved jypeter
+++ other:win10wsl [2022/08/31 14:50] – [Creating a backup] Improved jypeter
@@ Line 981: / Line 981: @@
     * Stop //this instance// of Linux (e.g. if it is named //Ubuntu//): **''wsl %%--%%terminate Ubuntu''**
     * or Stop //all// the currently running Linux distributions: **''wsl %%--%%shutdown''**
-==== Creating a backup of the Linux running in WSL ====
-There are several types of WSL related directories that you may want to back up:
-  * <wrap hi>Your Linux //home// directory</wrap> (''/home/<your_login>''), or some specific sub-directories of the //Ubuntu// running in WSL (sub-directories of ''/''): all these files are located in a [[other:win10wsl#location_of_the_files|hidden sub-directory of you Windows directory]], and the best way to save them is probably to **create a tar file from Linux**, and put this tar file in a specific Windows //WSL backup folder// (we will use below the directory ''/mnt/c/Scratch/<your_login>'' or ''c:\Scratch\<your_login>'')
-    * <code bash>$ cd /home
-$ du -sh $USER
-K    <your_login>
-# We assume below that there is an existing /mnt/c/Scratch/<your_login>/ directory
-# It's a WINDOWS directory C:\Scratch\<your_login>
-$ tar cfz /mnt/c/Scratch/$USER/${USER}_home_`date +%y%m%d_%H%M`.tgz $USER
-# Check the size of the new (and existing old) backup(s)
-$ ls -ltr /mnt/c/Scratch/$USER/${USER}_*.tgz
-K Jan 21  2020 /mnt/c/Scratch/<your_login>/<your_login>_home_200121.tgz
-K Aug 22  2020 /mnt/c/Scratch/<your_login>/<your_login>_home_200822_1151.tgz
-K Feb 24 12:09 /mnt/c/Scratch/<your_login>/<your_login>_home_210224_1209.tgz</code>
-  * <wrap hi>Regular Windows folders</wrap> where you store data used by WSL: you can use ''tar'' in a Linux terminal, as above, or use any usual way of backing up Windows files (drag and drop, some specific [[other:win10apps#backup_software|backup software]])
@@ Line 1030: / Line 1006: @@
 ==== Creating a backup ====
-=== Backup of a Full Linux installation ===
+=== Backup of a FULL Linux installation ===
 You can use ''wsl'' to [[https://docs.microsoft.com/en-us/windows/wsl/faq#how-can-i-back-up-my-wsl-distributions--or-move-them-from-one-drive-to-another-|save a full Linux installation]] to a //tar// file, that can be:
@@ Line 1037: / Line 1013: @@
 Detailed steps:
-  * Determine the name of the current Linux installation used in WSL (and see if it is running, and using //WSL 1// or //WSL 2//)
+  * Determine the name of the current Linux installation(s) used in WSL
     * <code>> wsl --list --verbose
   NAME      STATE           VERSION
@@ Line 1048: / Line 1024: @@
 * Ubuntu    Stopped         2</code>
   * Export the specified Linux installation to a //tar// file:
-    * You should export to a directory or external disk where you have //enough// space\\ e.g. The tar file for a [[other:win10wsl#base_installation|newly installed and updated]] __Ubuntu 20.04.5 LTS__ is ~1.G Gb
+    * You should export to a directory or external disk where you have //enough// space\\ e.g. The tar file for a [[other:win10wsl#base_installation|newly installed and updated]] //Ubuntu 20.04.5 LTS// is ~1.4 Gb
     * You should use a detailed enough file name for the tar file\\ e.g. WSL_<Linux_Distribution>_<Distribution_Version>_<User>_<Date>.tar
-    * Example: ''wsl --export Ubuntu C:\Scratch\<your_login>\WSL\WSL_Ubuntu_20.04.4_LTS_stdu_22-08-29.tar''
+    * Example: ''%%wsl --export Ubuntu C:\Scratch\<your_login>\WSL\WSL_Ubuntu_20.04.5_LTS_stdu_22-08-29.tar%%''
     * If you are not going to use the backup tar file right away, you can optionally compress it in order to save some space
       * <code>Add compression example here</code>
-=== Other types of backup ===
+=== Backup of specific directories ===
+You can also just create backups of specific directories:
+  * Your Linux //home// directory (''/home/<your_login>/''), or some specific sub-directories of the //Ubuntu// running in WSL (sub-directories of ''/''): the best way to save them is probably to **create a //tar// file from Linux**, and put this //tar// file in a specific Windows //WSL backup folder// (we will use below the directory ''/mnt/c/Scratch/<your_login>'' or ''c:\Scratch\<your_login>'')
+    * <code bash>$ cd /home
+$ du -sh $USER
+K    <your_login>
+# We assume below that there is an existing /mnt/c/Scratch/<your_login>/ directory
+# It's a WINDOWS directory C:\Scratch\<your_login>
+$ tar cfz /mnt/c/Scratch/$USER/${USER}_home_`date +%y%m%d_%H%M`.tgz $USER
+# Check the size of the new (and existing old) backup(s)
+$ ls -ltr /mnt/c/Scratch/$USER/${USER}_*.tgz
+K Jan 21  2020 /mnt/c/Scratch/<your_login>/<your_login>_home_200121.tgz
+K Aug 22  2020 /mnt/c/Scratch/<your_login>/<your_login>_home_200822_1151.tgz
+K Feb 24 12:09 /mnt/c/Scratch/<your_login>/<your_login>_home_210224_1209.tgz</code>
+  * Regular Windows folders where you store data used by WSL: you can use ''tar'' in a Linux terminal, as above, or use any usual way of backing up Windows files (drag and drop, some specific [[other:win10apps#backup_software|backup software]])
+    * WARNING: there should not be performance issues using ''tar'' (from Linux) to make a backup of Windows files with WSL 1, but **WSL 2 is significantly slower than WSL 1 to access Windows files** ([[https://docs.microsoft.com/en-us/windows/wsl/compare-versions#exceptions-for-using-wsl-1-rather-than-wsl-2|Exceptions for using WSL 1 rather than WSL 2]])