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other:win10wsl [2022/08/31 09:40] jypeter Started moving 'backup' to the Advanced section |
other:win10wsl [2022/08/31 12:50] jypeter [Creating a backup] Improved |
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* Stop //this instance// of Linux (e.g. if it is named //Ubuntu//): **''wsl %%--%%terminate Ubuntu''** | * 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''** | * or Stop //all// the currently running Linux distributions: **''wsl %%--%%shutdown''** | ||
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- | ==== 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 | ||
- | 232K <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 | ||
- | 81K Jan 21 2020 /mnt/c/Scratch/<your_login>/<your_login>_home_200121.tgz | ||
- | 93K Aug 22 2020 /mnt/c/Scratch/<your_login>/<your_login>_home_200822_1151.tgz | ||
- | 95K Feb 24 12:09 /mnt/c/Scratch/<your_login>/<your_login>_home_210224_1209.tgz</code> | ||
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- | * <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]]) | ||
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- | ==== Creating a backup of a Linux installation ==== | + | ==== Creating a backup ==== |
- | 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: | + | === Backup of a FULL Linux installation === |
- | * used later for restoring the full installation | + | |
- | * used for relocating the full installation from ''C:\'' to another disk | + | |
+ | 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: | ||
+ | * used later for //restoring// the full installation | ||
+ | * used for //relocating// the full installation from ''C:\'' to another disk | ||
- | * Determine the name of the current Linux installation used in WSL (and see if it is running, and using //WSL 1// or //WSL 2//) | + | Detailed steps: |
+ | * Determine the name of the current Linux installation(s) used in WSL | ||
* <code>> wsl --list --verbose | * <code>> wsl --list --verbose | ||
NAME STATE VERSION | NAME STATE VERSION | ||
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* Ubuntu Stopped 2</code> | * Ubuntu Stopped 2</code> | ||
* Export the specified Linux installation to a //tar// file: | * Export the specified Linux installation to a //tar// file: | ||
- | * You should export to a directory or external disk where you have //enough// space | + | * 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 | + | * You should use a detailed enough file name for the tar file\\ e.g. WSL_<Linux_Distribution>_<Distribution_Version>_<User>_<Date>.tar |
- | * ''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%%'' |
- | * 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 | + | * 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>$ cd /mnt/c/Scratch/<your_login> | + | * <code>Add compression example here</code> |
- | $ ls -ltrh *ubuntu*tar* | + | === Backup of specific directories === |
- | 976M Jan 21 2020 <your_login>_200121.tar.gz | + | |
- | 2.8G Aug 22 2020 <your_login>-16.04-full_200822.tar | + | |
- | 3.4G Feb 24 14:06 <your_login>-20-04-1-full_210224.tar | + | |
- | # Determine the number of files/directories in the backup | + | You can also just create backups of specific directories: |
- | $ tar tvf <your_login>-20-04-1-full_210224.tar | wc -l | + | |
- | 112711 | + | * 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 | ||
+ | 232K <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 | ||
+ | 81K Jan 21 2020 /mnt/c/Scratch/<your_login>/<your_login>_home_200121.tgz | ||
+ | 93K Aug 22 2020 /mnt/c/Scratch/<your_login>/<your_login>_home_200822_1151.tgz | ||
+ | 95K Feb 24 12:09 /mnt/c/Scratch/<your_login>/<your_login>_home_210224_1209.tgz</code> | ||
- | $ gzip *ubuntu*.tar | + | * 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]]) | ||
- | $ ls -ltrh *ubuntu*tar* | ||
- | 976M Jan 21 2020 <your_login>_200121.tar.gz | ||
- | 1.2G Aug 22 2020 <your_login>-16.04-full_200822.tar.gz | ||
- | 1.8G Feb 24 14:06 <your_login>-20-04-1-full_210224.tar.gz | ||
- | </code> | ||
==== Restoring or relocating a Linux installation ==== | ==== Restoring or relocating a Linux installation ==== |