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I gather you can but I've read these snapshots can't be used for Linux on a HD different from the original. I've no personal experience and I'd be interested to hear if I'm wrong.
I've turned Timeshift on since I first installed Mint but never used it. I used to backup with MR rescue media but I haven't done that for a while now either.
I have no use for Timeshift. It works similar to Windows system restore which I never used. When on Windows I used SyncBackFree for files and Macrium for disk images. Now on Linux I use LuckyBackup for files and Clonezilla or MX-Linux Snapshot Tool for disk images.
Likely not. This is probably just for rollback if the upgrade fails. I would not want to count on it for a backup solution. The best option I have found for a physical machine is to take it offline and do an Acronis bootdisk image. As long as we're talking about Linux. Which we are.
Yes (or a different hard disk/partition in your PC). As long as it's ext4 formatted. It saved me a few times and is much more powerful than Windows system restore.
Ultimately it's a front end for rsync. See this is you want more details than you probably actually want: https://www.computerhope.com/unix/rsync.htm
I use Grsync (GUI for rsync) for backup purposes (data partitions). Because snapshots take a lot of space and you have to tell it first on which ext4 formatted drive/partition to put them. Also note that Timeshift doesn't backup your /home folder or partition by default. I have /home on a separate partition of which I sometimes make a backup with Clonezilla. Have to do that soon.
This was a VM. There weren't any alternate partitions and it did not provide any options or ask any questions. It seemed to just want my acknowledgement.
after watching 2 YT vids i tried the 20.3 to 21 mint upgrade. after 6 hrs it failed.ran the timeshift restore(another 3+ hrs) and now i don't have my ethernet connection. ethernet is not showing in settings.checked YT but nothing seemed very recent. thanks for your help
Not sure if this will help but it's better than a stick in the eye: https://linuxhint.com/network-configuration-linux-mint/ And this is why I will be imaging my server before upgrading, even though my test VM worked without issue.
my network connections settings only shows wifi no wired icon anywhere to be seen i've tried a couple of the YT fixes but they didn't work my dell latitude e6410, intel i5, linux kernel 5.4.0-122 i could use my wifi to update the kernel to 5.13-do you think that would work? thanks for your help
In Debian I think it would be good idea to try reinstall bootloader and kernel. In Debian it would be something like: sudo apt-get install --reinstall <kernel_package_name_with_version> <kernel_package_name_headers_with_version> update-grub2 (command from Debian, I don't know if it is available in Mint) restart