Last time I bought a desktop PC to my small office. I wanted to have a PC which will be always in my office, because getting notebook every time is not comfortable. So I bought Dell OptiPlex 760 Form Factor (FF) with this configuration:

Intel® Core™2 Duo Processor E8400 2 x 3,0 Ghz, 6MB Cache, 4 GB RAM, 160 GB HDD.

I deleted Windows and I installed Ubuntu 16.04, of course.

Usually I use my notebook to work but from now I have two machines I’m working on. So there is a new problem connected with synchronization data. Sometimes I work on notebook, sometimes on desktop… Which files are current? BTW! I didn’t consider Dropbox and etc. because I don’t trust cloud – end of discussion.
First solution was Unison. It is a small application which can synchronize files between local and remote locations. For three days it worked perfectly. But suddenly I noticed that my files are corrupted, actually there were empty (0 bytes). First time I thought that it was connected with Windows (I plugged in my flash drive into the Windows machine). But I formatted flash drive again and started one more time to use Unison. After a few days – the same, there were files with 0 bytes.

Then I decided to say “I’m sorry” to the rsync.

So, now I use rsync to synchronize my data.
1. It is universal app which is present in every Ubuntu and other Linux.
2. It is very fast.
3. Rather doesn’t make mistakes.

1. You should operate in terminal.
2. I have to remember about synchronize with my flash drive every time before and after a work session.

I wrote a small bash script, I use it to synchronize my data between desktop, notebook and flash drive.

Now as you can see in the code above, I only have to plug in the flash drive (in my case SANDISK) and select an option. Before working session I select “f” from flash to PC. After a work I select “p” – from PC to flash drive. Maybe it is uncomfortable to run every time this script but I don’t see other solution at this moment.

OK, a quick explanation to the rsync options:

  • r – recursive, I do not comment it
  • t – preserver timestamp, this means that the “accessed” parameter will not be changed
  • v – verbose, means “show me what are you doing now” on the screen
  • u – update, means update only (don’t overwrite newer files)
  • – -delete, delete the files in the destination, if I deleted them in the source
  • – -ignore-errors, no comments
  • – -stats, show me stats (how many files copied etc.)
  • – -progress, means show progress in percentage (rather used to see progress when you copy big files)

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