sudo apt-get install mysql-server php5-mysql
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  php5-common php5-json
Suggested packages:
  php5-user-cache
The following NEW packages will be installed:
  php5-common php5-json php5-mysql
The following packages will be upgraded:
  mysql-server
1 upgraded, 3 newly installed, 0 to remove and 66 not upgraded.
Need to get 553 kB of archives.
After this operation, 1,610 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://us.archive.ubuntu.com/ubuntu/ trusty/main php5-json amd64 1.3.2-2bu                                     ild1 [34.4 kB]
Get:2 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main php5-common amd64                                      5.5.9+dfsg-1ubuntu4.16 [445 kB]
Get:3 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main php5-mysql amd64                                      5.5.9+dfsg-1ubuntu4.16 [62.9 kB]
Get:4 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main mysql-server all                                      5.5.49-0ubuntu0.14.04.1 [11.3 kB]
Fetched 553 kB in 1s (463 kB/s)
Selecting previously unselected package php5-json.
(Reading database ... 107779 files and directories currently installed.)
Preparing to unpack .../php5-json_1.3.2-2build1_amd64.deb ...
Unpacking php5-json (1.3.2-2build1) ...
Selecting previously unselected package php5-common.
Preparing to unpack .../php5-common_5.5.9+dfsg-1ubuntu4.16_amd64.deb ...
Unpacking php5-common (5.5.9+dfsg-1ubuntu4.16) ...
Selecting previously unselected package php5-mysql.
Preparing to unpack .../php5-mysql_5.5.9+dfsg-1ubuntu4.16_amd64.deb ...
Unpacking php5-mysql (5.5.9+dfsg-1ubuntu4.16) ...
Preparing to unpack .../mysql-server_5.5.49-0ubuntu0.14.04.1_all.deb ...
Unpacking mysql-server (5.5.49-0ubuntu0.14.04.1) over (5.5.47-0ubuntu0.14.04.1)                                      ...
Setting up mysql-server (5.5.49-0ubuntu0.14.04.1) ...
Setting up php5-common (5.5.9+dfsg-1ubuntu4.16) ...

Creating config file /etc/php5/mods-available/pdo.ini with new version

Creating config file /etc/php5/mods-available/opcache.ini with new version
Setting up php5-mysql (5.5.9+dfsg-1ubuntu4.16) ...

Creating config file /etc/php5/mods-available/mysql.ini with new version

Creating config file /etc/php5/mods-available/mysqli.ini with new version

Creating config file /etc/php5/mods-available/pdo_mysql.ini with new version
Setting up php5-json (1.3.2-2build1) ...