sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. Need to get 0B of archives. After unpacking 0B of additional disk space will be used. Do you want to continue [Y/n]? y Setting up sasl2-bin (2.1.19.dfsg1-0.5) ... Starting SASL Authentication Daemon: (failed). invoke-rc.d: initscript saslauthd, action "start" failed. dpkg: error processing sasl2-bin (--configure): subprocess post-installation script returned error exit status 1 Errors were encountered while processing: sasl2-bin E: Sub-process /usr/bin/dpkg returned an error code (1)