Trying to install mariadb-server, and at the very end of the install it gives the error saying that the mariadb-server post install script depends on mariadb-server-10.1 and mariadb-server-10.1 isn't configured yet. Using sudo apt install mariadb-server from a user terminal in the X session.

[Christopher Morrow]

Output from the command:
topher@ubuntop:~$ sudo apt install mariadb-server
[sudo] password for topher:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  libdbd-mysql-perl libmariadbclient18 libmysqlclient18 libmysqlclient20
  mariadb-client-10.1 mariadb-client-core-10.1 mariadb-common
  mariadb-server-10.1 mariadb-server-core-10.1 mysql-common
Suggested packages:
  libterm-readkey-perl mailx mariadb-test tinyca
The following NEW packages will be installed:
  libdbd-mysql-perl libmariadbclient18 libmysqlclient18 libmysqlclient20
  mariadb-client-10.1 mariadb-client-core-10.1 mariadb-common mariadb-server
  mariadb-server-10.1 mariadb-server-core-10.1 mysql-common
0 upgraded, 11 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/14.1 MB of archives.
After this operation, 144 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Preconfiguring packages ...
Selecting previously unselected package mysql-common.
(Reading database ... 260447 files and directories currently installed.)
Preparing to unpack .../0-mysql-common_10.1.18+maria-1~xenial_all.deb ...
Unpacking mysql-common (10.1.18+maria-1~xenial) ...
Selecting previously unselected package mariadb-common.
Preparing to unpack .../1-mariadb-common_10.1.18+maria-1~xenial_all.deb ...
Unpacking mariadb-common (10.1.18+maria-1~xenial) ...
Selecting previously unselected package libmysqlclient20:amd64.
Preparing to unpack .../2-libmysqlclient20_5.7.15-0ubuntu2_amd64.deb ...
Unpacking libmysqlclient20:amd64 (5.7.15-0ubuntu2) ...
Selecting previously unselected package libdbd-mysql-perl.
Preparing to unpack .../3-libdbd-mysql-perl_4.035-1ubuntu0.1_amd64.deb ...
Unpacking libdbd-mysql-perl (4.035-1ubuntu0.1) ...
Selecting previously unselected package libmysqlclient18.
Preparing to unpack .../4-libmysqlclient18_10.1.18+maria-1~xenial_amd64.deb ...
Unpacking libmysqlclient18 (10.1.18+maria-1~xenial) ...
Selecting previously unselected package libmariadbclient18.
Preparing to unpack .../5-libmariadbclient18_10.1.18+maria-1~xenial_amd64.deb ...
Unpacking libmariadbclient18 (10.1.18+maria-1~xenial) ...
Selecting previously unselected package mariadb-client-core-10.1.
Preparing to unpack .../6-mariadb-client-core-10.1_10.1.18+maria-1~xenial_amd64.deb ...
Unpacking mariadb-client-core-10.1 (10.1.18+maria-1~xenial) ...
Selecting previously unselected package mariadb-client-10.1.
Preparing to unpack .../7-mariadb-client-10.1_10.1.18+maria-1~xenial_amd64.deb ...
Unpacking mariadb-client-10.1 (10.1.18+maria-1~xenial) ...
Selecting previously unselected package mariadb-server-core-10.1.
Preparing to unpack .../8-mariadb-server-core-10.1_10.1.18+maria-1~xenial_amd64.deb ...
Unpacking mariadb-server-core-10.1 (10.1.18+maria-1~xenial) ...
Setting up mysql-common (10.1.18+maria-1~xenial) ...
Setting up mariadb-common (10.1.18+maria-1~xenial) ...
Selecting previously unselected package mariadb-server-10.1.
(Reading database ... 260614 files and directories currently installed.)
Preparing to unpack .../0-mariadb-server-10.1_10.1.18+maria-1~xenial_amd64.deb ...
Unpacking mariadb-server-10.1 (10.1.18+maria-1~xenial) ...
Selecting previously unselected package mariadb-server.
Preparing to unpack .../1-mariadb-server_10.1.18+maria-1~xenial_all.deb ...
Unpacking mariadb-server (10.1.18+maria-1~xenial) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for libc-bin (2.24-3ubuntu1) ...
Processing triggers for systemd (231-9git1) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up libmysqlclient20:amd64 (5.7.15-0ubuntu2) ...
Setting up libdbd-mysql-perl (4.035-1ubuntu0.1) ...
Setting up libmysqlclient18 (10.1.18+maria-1~xenial) ...
Setting up libmariadbclient18 (10.1.18+maria-1~xenial) ...
Setting up mariadb-server-core-10.1 (10.1.18+maria-1~xenial) ...
Setting up mariadb-client-core-10.1 (10.1.18+maria-1~xenial) ...
Setting up mariadb-client-10.1 (10.1.18+maria-1~xenial) ...
Setting up mariadb-server-10.1 (10.1.18+maria-1~xenial) ...
2016-10-23 14:10:57 139648982718656 [Note] /usr/sbin/mysqld (mysqld 10.1.18-MariaDB-1~xenial) starting as process 5912 ...
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: The InnoDB memory heap is disabled
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Compressed tables use zlib 1.2.8
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Using Linux native AIO
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Using SSE crc32 instructions
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Completed initialization of buffer pool
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Highest supported file format is Barracuda.
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: 128 rollback segment(s) are active.
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Waiting for purge to start
2016-10-23 14:10:57 139648982718656 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.32-78.1 started; log sequence number 1616819
2016-10-23 14:10:57 139648261129984 [Note] InnoDB: Dumping buffer pool(s) not yet started
2016-10-23 14:10:57 139648982718656 [Note] Plugin 'FEEDBACK' is disabled.
Job for mariadb.service failed because the control process exited with error code.
See "systemctl status mariadb.service" and "journalctl -xe" for details.
invoke-rc.d: initscript mysql, action "start" failed.
● mariadb.service - MariaDB database server
   Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
  Drop-In: /etc/systemd/system/mariadb.service.d
           └─migrated-from-my.cnf-settings.conf
   Active: failed (Result: exit-code) since Sun 2016-10-23 14:11:06 EDT; 13ms ago
  Process: 6076 ExecStartPost=/etc/mysql/debian-start (code=exited, status=203/EXEC)
  Process: 6049 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, status=0/SUCCESS)
  Process: 6038 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR= || VAR=`/usr/bin/galera_recovery`; [ $? -eq 0 ] && systemctl set-environment _WSREP_START_POSITION=$VAR || exit 1 (code=exited, status=0/SUCCESS)
  Process: 6033 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0/SUCCESS)
  Process: 6031 ExecStartPre=/usr/bin/install -m 755 -o mysql -g root -d /var/run/mysqld (code=exited, status=0/SUCCESS)
 Main PID: 6049 (code=exited, status=0/SUCCESS)
   Status: "MariaDB server is down"

Oct 23 14:11:04 ubuntop systemd[1]: mariadb.service: Control process exited...03
Oct 23 14:11:04 ubuntop mysqld[6049]: 2016-10-23 14:11:04 139860316871424 [...wn
Oct 23 14:11:04 ubuntop mysqld[6049]: 2016-10-23 14:11:04 139860316871424 [...ts
Oct 23 14:11:04 ubuntop mysqld[6049]: 2016-10-23 14:11:04 139859586934528 [...g.
Oct 23 14:11:04 ubuntop mysqld[6049]: 2016-10-23 14:11:04 139860316871424 [.....
Oct 23 14:11:06 ubuntop mysqld[6049]: 2016-10-23 14:11:06 139860316871424 [...49
Oct 23 14:11:06 ubuntop mysqld[6049]: 2016-10-23 14:11:06 139860316871424 [...te
Oct 23 14:11:06 ubuntop systemd[1]: Failed to start MariaDB database server.
Oct 23 14:11:06 ubuntop systemd[1]: mariadb.service: Unit entered failed state.
Oct 23 14:11:06 ubuntop systemd[1]: mariadb.service: Failed with result 'ex...'.
Hint: Some lines were ellipsized, use -l to show in full.
dpkg: error processing package mariadb-server-10.1 (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of mariadb-server:
 mariadb-server depends on mariadb-server-10.1 (= 10.1.18+maria-1~xenial); however:
  Package mariadb-server-10.1 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.
                          Processing triggers for libc-bin (2.24-3ubuntu1) ...
Errors were encountered while processing:
 mariadb-server-10.1
 mariadb-server
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 16.10
Package: linux-signed-image-4.8.0-26-generic 4.8.0-26.28
ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
Uname: Linux 4.8.0-22-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
Date: Sun Oct 23 10:30:45 2016
DuplicateSignature:
 package:linux-signed-image-4.8.0-26-generic:4.8.0-26.28
 Setting up linux-signed-image-4.8.0-26-generic (4.8.0-26.28) ...
 cp: error writing '/boot/vmlinuz-4.8.0-26-generic.efi.signed': No space left on device
 dpkg: error processing package linux-signed-image-4.8.0-26-generic (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-10-15 (7 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
RelatedPackageVersions:
 dpkg 1.18.10ubuntu1
 apt 1.3.1
SourcePackage: linux-signed
Title: package linux-signed-image-4.8.0-26-generic 4.8.0-26.28 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This change was made by a bot.