linux@linux-HP:~$ sudo apt upgrade
[sudo] password for linux:
Sorry, try again.
[sudo] password for linux:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
gimp-help-common libllvm3.8:i386 libreoffice-pdfimport linux-headers-4.4.0-81 linux-headers-4.4.0-81-generic linux-headers-4.4.0-83 linux-headers-4.4.0-83-generic
linux-image-4.4.0-81-generic linux-image-4.4.0-83-generic linux-image-extra-4.4.0-81-generic linux-image-extra-4.4.0-83-generic linux-signed-image-4.4.0-81-generic
linux-signed-image-4.4.0-83-generic python-pkg-resources rtmpdump
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
2 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up mysql-server-5.7 (5.7.19-0ubuntu0.16.04.1) ...
insserv: warning: current start runlevel(s) (empty) of script `mysql' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `mysql' overrides LSB defaults (0 1 6).
mysql_upgrade: Got error: 2002: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) while connecting to the MySQL server
Upgrade process encountered error and will not continue.
mysql_upgrade failed with exit status 11
dpkg: error processing package mysql-server-5.7 (--configure):
subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mysql-server:
mysql-server depends on mysql-server-5.7; however:
Package mysql-server-5.7 is not configured yet.
dpkg: error processing package mysql-server (--configure):
dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
Errors were encountered while processing:
mysql-server-5.7
mysql-server
E: Sub-process /usr/bin/dpkg returned an error code (1)
linux@linux-HP:~$