$ sudo apt-get install proftpd
Password:
Reading package lists... Done
Building dependency tree... Done
The following extra packages will be installed:
  libmysqlclient15off mysql-common
Suggested packages:
  proftpd-doc
The following NEW packages will be installed:
  libmysqlclient15off mysql-common proftpd
0 upgraded, 3 newly installed, 0 to remove and 9 not upgraded.
1 not fully installed or removed.
Need to get 0B/2648kB of archives.
After unpacking 6326kB of additional disk space will be used.
Do you want to continue [Y/n]? Y
Preconfiguring packages ...
Setting up tzdata (2007f-3) ...
dpkg: error processing tzdata (--configure):
 subprocess post-installation script returned error exit status 10
Errors were encountered while processing:
 tzdata
E: Sub-process /usr/bin/dpkg returned an error code (1)