[Trisquel-users] Re : System backup snapshots

[lcerf]

If the package does not require recent versions of its dependencies, it can  
be installed on an older distribution.  Downloading the package on  
https://packages.debian.org/buster/amd64/timeshift/download and  
double-clicking on it,  GDebi, which is installed by default, tells some  
dependency cannot be satisfied on Trisquel 8: libgnutls30 must be at least at  
version 3.6.5.  The same problem would occur on Trisquel 9, which is based on  
Ubuntu 18.04 Bionic Beaver:  
https://packages.ubuntu.com/bionic-updates/libgnutls30

One can then try to download  
http://security.debian.org/debian-security/pool/updates/main/g/gnutls28/libgnutls30_3.6.7-4+deb10u4_amd64.deb  
and install it in the same way.  Doing so on Trisquel 8, GDebi tells that  
installing that package would break the existing libgnutls-openssl27 package  
(trisquel-minimal indirectly depends on it).  I would stop trying to use the  
Debian package at that point.  Beyond the incompatibility, notice that  
manually installed packages are not automatically updated.  For  
security-critical packages such as libgnutls30, it is a significant problem:  
if you would install the version from Debian Buster and would not manually  
update it, it would stay at the present version until you update to Trisquel  
10.