[mythtv-users] Can't connect to database

[Damian]

Hi All,

I have just updated Xubutu on my server and backend computer.

I also updated MythTV, from 0.29 to 0.31 (via an incremental 0.30 step). 
This is because the idea of "Greatly improved Channel Scanning" was too 
much to resist (I've not been able to use Live TV on Myth for months).

After all of this, I've tried to run, "sudo mythtv-setup" and just ger 
presented with a "Waiting for database" screen.

My only lead on solving this is one of the files that the Xubuntu update 
wanted to replace. It was mysqld.cnf

I saved a copy of the changes between the old and new files (see below). 
Does this help at all, or is it a blind alley?

And if the text below is a blind alley, how can I check what's going on 
with the database?

If any log are needed, please let me know where/how to find them.

Thanks,
Damian


--- /etc/mysql/mysql.conf.d/mysqld.cnf    2016-04-27 12:38:23.833446622 
+0100
+++ /etc/mysql/mysql.conf.d/mysqld.cnf.dpkg-new    2019-08-19 
10:38:44.000000000 +0100
@@ -1,10 +1,6 @@
  #
  # The MySQL database server configuration file.
  #
-# You can copy this to one of:
-# - "/etc/mysql/my.cnf" to set global options,
-# - "~/.my.cnf" to set user-specific options.
-#
  # One can use all long options that the program supports.
  # Run program with --help to get a list of available options and with
  # --print-defaults to see which it would actually understand and use.
@@ -12,93 +8,70 @@
  # For explanations see
  # http://dev.mysql.com/doc/mysql/en/server-system-variables.html

-# This will be passed to all mysql clients
-# It has been reported that passwords should be enclosed with ticks/quotes
-# escpecially if they contain "#" chars...
-# Remember to edit /etc/mysql/debian.cnf when changing the socket location.
-
  # Here is entries for some specific programs
  # The following values assume you have at least 32M ram

-[mysqld_safe]
-socket        = /var/run/mysqld/mysqld.sock
-nice        = 0
-
  [mysqld]
  #
  # * Basic Settings
  #
  user        = mysql
-pid-file    = /var/run/mysqld/mysqld.pid
-socket        = /var/run/mysqld/mysqld.sock
-port        = 3306
-basedir        = /usr
-datadir        = /var/lib/mysql
-tmpdir        = /tmp
-lc-messages-dir    = /usr/share/mysql
-skip-external-locking
+# pid-file    = /var/run/mysqld/mysqld.pid
+# socket    = /var/run/mysqld/mysqld.sock
+# port        = 3306
+# datadir    = /var/lib/mysql
+
+
+# If MySQL is running as a replication slave, this should be
+# changed. Ref 
https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_tmpdir
+# tmpdir        = /tmp
  #
  # Instead of skip-networking the default is now to listen only on
  # localhost which is more compatible and is not less secure.
-# bind-address        = 127.0.0.1
+bind-address        = 127.0.0.1
  #
  # * Fine Tuning
  #
  key_buffer_size        = 16M
-max_allowed_packet    = 16M
-thread_stack        = 192K
-thread_cache_size       = 8
+# max_allowed_packet    = 64M
+# thread_stack        = 256K
+
+# thread_cache_size       = -1
+
  # This replaces the startup script and checks MyISAM tables if needed
  # the first time they are touched
  myisam-recover-options  = BACKUP
-#max_connections        = 100
-#table_cache            = 64
-#thread_concurrency     = 10
-#
-# * Query Cache Configuration
-#
-query_cache_limit    = 1M
-query_cache_size        = 16M
+
+# max_connections        = 151
+
+# table_open_cache       = 4000
+
  #
  # * Logging and Replication
  #
  # Both location gets rotated by the cronjob.
+#
+# Log all queries
  # Be aware that this log type is a performance killer.
-# As of 5.1 you can enable the log at runtime!
-#general_log_file        = /var/log/mysql/mysql.log
-#general_log             = 1
+# general_log_file        = /var/log/mysql/query.log
+# general_log             = 1
  #
  # Error log - should be very few entries.
  #
  log_error = /var/log/mysql/error.log
  #
  # Here you can see queries with especially long duration
-#log_slow_queries    = /var/log/mysql/mysql-slow.log
-#long_query_time = 2
-#log-queries-not-using-indexes
+# slow_query_log        = 1
+# slow_query_log_file    = /var/log/mysql/mysql-slow.log
+# long_query_time = 2
+# log-queries-not-using-indexes
  #
  # The following can be used as easy to replay backup logs or for 
replication.
  # note: if you are setting up a replication slave, see README.Debian about
  #       other settings you may need to change.
-#server-id        = 1
-#log_bin            = /var/log/mysql/mysql-bin.log
-expire_logs_days    = 10
+# server-id        = 1
+# log_bin            = /var/log/mysql/mysql-bin.log
+# binlog_expire_logs_seconds    = 2592000
  max_binlog_size   = 100M
-#binlog_do_db        = include_database_name
-#binlog_ignore_db    = include_database_name
-#
-# * InnoDB
-#
-# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
-# Read the manual for more InnoDB related options. There are many!
-#
-# * Security Features
-#
-# Read the manual, too, if you want chroot!
-# chroot = /var/lib/mysql/
-#
-# For generating SSL certificates I recommend the OpenSSL GUI "tinyca".
-#
-# ssl-ca=/etc/mysql/cacert.pem
-# ssl-cert=/etc/mysql/server-cert.pem
-# ssl-key=/etc/mysql/server-key.pem
+# binlog_do_db        = include_database_name
+# binlog_ignore_db    = include_database_name