On 04-05-17, Sergei G wrote: > That's good to know. > > > Thank you > > > On 5/4/17 6:46 PM, Anders Andersson wrote: > > On Fri, May 5, 2017 at 1:17 AM, Sergei G <sergeig.pub...@gmail.com> wrote: > > > I would like a backup tool that does not bring a million dependencies with > > > MBs of files. Something that works on server without X Windows and can > > > send > > > backup to an externally attached USB drive. Nothing fancy. No network > > > infrastructure. Incremental backups would be greatly appreciated. > > > Ability > > > to pipe to a compression program is a plus, just like I did with dump. > > > [...] > > > Any advice would be greatly appreciated. > > You won't like my solution, and it doesn't work with your current > > setup because it requires a specific file system: btrfs[1]. I'm > > posting it here for two reasons: > > 1) You might consider using btrfs on new installs > > 2) Someone else may search and find the thread > > > > After switching to btrfs I can now take instant snapshots of selected > > filesystems, transfer these to remote servers for backup, and most > > important: btrfs can track the *exact difference* between two > > snapshots taken over time, and only transfer the changes. All of this > > is very quick, because the filesystem already knows exactly what > > changed: Permission bits, file sizes, deleted files, changed data, > > whatever, all is already kept in a log. It also means that nothing > > will be missed, for example ACL bits etc. > > > > The delta is just a simple stream of data that can be compressed if > > necessary. Typically it is transmitted to a backup server where it is > > "replayed" so that you have a full clone of the original system.[2] > > > > In debian I use the little tool, btrbk[3], to automate all of this. > > You can simply do it manually if you want. > > > > [1] https://btrfs.wiki.kernel.org/index.php/Main_Page > > [2] https://btrfs.wiki.kernel.org/index.php/Incremental_Backup > > [3] https://github.com/digint/btrbk > > >
Perhaps rsync can do the job for you?