While checking the status of packages using dpkg, it is possible to see a ‘rc’ state for some unused packages, this corresponds to:
r: the package was marked for removal
c: the configuration files are currently present in the system
In other words: the package is not completely removed (config files are still present), but not installed anymore (and obviously not used).
The author cannot live without shell, neither without bash completion.
There is an official tap with completion scripts which can be installed for tools like docker.
If ProFTPD Project is running in StandAlone mode on Ubuntu Linux, the server could result completely stopped weekly.
Manage partitions larger than 2 TeraBytes (for example in large storage arrays) was something rare some years ago, now with the Mass-Storage-Devices capacity growing tendency it’s quite frequent to need to set-up a so large FileSystem.
NetFilter IPTables Project Auto-Expiring Rules could be very interesting (for example) to ban IPs for a certain amount of time, and then have then automatically un-banned (by removing Filtering Rule).
IPTables do not provide an integrated solution for that, but a simple combination with the ‘at’ command can do the magic.