jack@jack-To-be-filled-by-O-E-M:~$ sudo apt-get install mariadb-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  mariadb-server
0 upgraded, 1 newly installed, 0 to remove and 1339 not upgraded.
1 not fully installed or removed.
Need to get 0 B/21.4 kB of archives.
After this operation, 62.5 kB of additional disk space will be used.
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
        LANGUAGE = (unset),
        LC_ALL = (unset),
        LANG = "en_US.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^(.*?)(\\)?\${ <-- HERE ([        ^{}]+)}(.*)$/ at /usr/share/perl5/Debconf/Question.pm line 72.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\${ <-- HERE ([^}]+)}/ at         /usr/share/perl5/Debconf/Config.pm line 30.
Selecting previously unselected package mariadb-server.
(Reading database ... 174467 files and directories currently installed.)
Preparing to unpack .../mariadb-server_10.0.26-2_all.deb ...
Unpacking mariadb-server (10.0.26-2) ...
Setting up mariadb-server-10.0 (10.0.26-2) ...
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/^(.*?)(\\)?\${ <-- HERE ([        ^{}]+)}(.*)$/ at /usr/share/perl5/Debconf/Question.pm line 72.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\${ <-- HERE ([^}]+)}/ at         /usr/share/perl5/Debconf/Config.pm line 30.
 * Stopping MariaDB database server mysqld                                                                                      /usr/sbin/mysqld: symbol lookup error: /usr/sbin/mysqld: undefined symbol: pcre_stack_guard
/usr/sbin/mysqld: symbol lookup error: /usr/sbin/mysqld: undefined symbol: pcre_stack_guard
                                                                                                                 [ OK ]
dpkg: error processing package mariadb-server-10.0 (--configure):
 subprocess installed post-installation script returned error exit status 127
dpkg: dependency problems prevent configuration of mariadb-server:
 mariadb-server depends on mariadb-server-10.0 (>= 10.0.26-2); however:
  Package mariadb-server-10.0 is not configured yet.

dpkg: error processing package mariadb-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 en        countered while processing:
 mariadb-server-10.0
 mariadb-server
E: Sub-process /usr/bin/dpkg returned an error code (1)