kenny@kenny-OptiPlex-790:/etc/apt/sources.list.d$ sudo dpkg --remove --force-depends mysql-server
(Reading database ... 260064 files and directories currently installed.)
Removing mysql-server (5.7.12-1ubuntu15.10) ...
kenny@kenny-OptiPlex-790:/etc/apt/sources.list.d$ sudo apt-get update
Ign http://dl.google.com stable InRelease
Hit http://dl.google.com stable Release.gpg
Get:1 http://security.ubuntu.com wily-security InRelease [65.9 kB]
Hit http://us.archive.ubuntu.com wily InRelease
Hit http://dl.google.com stable Release
Get:2 http://us.archive.ubuntu.com wily-updates InRelease [65.9 kB]
Hit http://dl.google.com stable/main amd64 Packages
Get:3 http://security.ubuntu.com wily-security/main Sources [47.4 kB]
Hit http://us.archive.ubuntu.com wily-backports InRelease
Get:4 http://security.ubuntu.com wily-security/restricted Sources [2,854 B]
Hit http://us.archive.ubuntu.com wily/main Sources
Get:5 http://security.ubuntu.com wily-security/universe Sources [11.8 kB]
Hit http://us.archive.ubuntu.com wily/restricted Sources
Get:6 http://security.ubuntu.com wily-security/multiverse Sources [2,782 B]
Hit http://us.archive.ubuntu.com wily/universe Sources
Get:7 http://security.ubuntu.com wily-security/main amd64 Packages [151 kB]
Hit http://us.archive.ubuntu.com wily/multiverse Sources
Hit http://us.archive.ubuntu.com wily/main amd64 Packages
Get:8 http://security.ubuntu.com wily-security/restricted amd64 Packages [10.9 kB]
Hit http://us.archive.ubuntu.com wily/restricted amd64 Packages
Get:9 http://security.ubuntu.com wily-security/universe amd64 Packages [52.2 kB]
Ign http://dl.google.com stable/main Translation-en_US
Get:10 https://atlassian.artifactoryonline.com wily InRelease
Hit http://us.archive.ubuntu.com wily/universe amd64 Packages
Ign http://dl.google.com stable/main Translation-en
Ign https://atlassian.artifactoryonline.com wily InRelease
Get:11 http://security.ubuntu.com wily-security/multiverse amd64 Packages [6,253 B]
Hit http://us.archive.ubuntu.com wily/multiverse amd64 Packages
Get:12 http://security.ubuntu.com wily-security/main i386 Packages [148 kB]
Hit https://atlassian.artifactoryonline.com wily Release.gpg
Hit http://us.archive.ubuntu.com wily/main i386 Packages
Hit https://atlassian.artifactoryonline.com wily Release
Hit http://us.archive.ubuntu.com wily/restricted i386 Packages
Hit http://ppa.launchpad.net wily InRelease
Hit https://atlassian.artifactoryonline.com wily/main amd64 Packages
Hit http://us.archive.ubuntu.com wily/universe i386 Packages
Hit https://atlassian.artifactoryonline.com wily/main i386 Packages
Hit http://us.archive.ubuntu.com wily/multiverse i386 Packages
Get:13 https://atlassian.artifactoryonline.com wily/main Translation-en_US
Hit http://us.archive.ubuntu.com wily/main Translation-en
Hit http://ppa.launchpad.net wily InRelease
Get:14 http://security.ubuntu.com wily-security/restricted i386 Packages [10.8 kB]
Get:15 https://atlassian.artifactoryonline.com wily/main Translation-en
Hit http://us.archive.ubuntu.com wily/multiverse Translation-en
Get:16 http://security.ubuntu.com wily-security/universe i386 Packages [52.2 kB]
Get:17 https://atlassian.artifactoryonline.com wily/main Translation-en_US
Hit http://us.archive.ubuntu.com wily/restricted Translation-en
Get:18 http://security.ubuntu.com wily-security/multiverse i386 Packages [6,430 B]
Hit http://ppa.launchpad.net wily/main amd64 Packages
Hit http://security.ubuntu.com wily-security/main Translation-en
Hit http://us.archive.ubuntu.com wily/universe Translation-en
Hit http://security.ubuntu.com wily-security/multiverse Translation-en
Get:19 http://us.archive.ubuntu.com wily-updates/main Sources [76.8 kB]
Hit http://security.ubuntu.com wily-security/restricted Translation-en
Hit http://ppa.launchpad.net wily/main i386 Packages
Get:20 http://us.archive.ubuntu.com wily-updates/restricted Sources [3,741 B]
Hit http://security.ubuntu.com wily-security/universe Translation-en
Get:21 https://atlassian.artifactoryonline.com wily/main Translation-en
Get:22 http://us.archive.ubuntu.com wily-updates/universe Sources [23.9 kB]
Get:23 https://atlassian.artifactoryonline.com wily/main Translation-en_US
Get:24 http://us.archive.ubuntu.com wily-updates/multiverse Sources [3,203 B]
Get:25 https://atlassian.artifactoryonline.com wily/main Translation-en
Get:26 http://us.archive.ubuntu.com wily-updates/main amd64 Packages [215 kB]
Get:27 https://atlassian.artifactoryonline.com wily/main Translation-en_US [80 B]
Get:28 https://atlassian.artifactoryonline.com wily/main Translation-en
Get:29 https://atlassian.artifactoryonline.com wily/main Translation-en_US [80 B]
Ign https://atlassian.artifactoryonline.com wily/main Translation-en_US
Get:30 http://us.archive.ubuntu.com wily-updates/restricted amd64 Packages [13.3 kB]
Get:31 https://atlassian.artifactoryonline.com wily/main Translation-en
Get:32 http://us.archive.ubuntu.com wily-updates/universe amd64 Packages [95.3 kB]
Get:33 http://us.archive.ubuntu.com wily-updates/multiverse amd64 Packages [6,253 B]
Get:34 http://us.archive.ubuntu.com wily-updates/main i386 Packages [211 kB]
Ign https://atlassian.artifactoryonline.com wily/main Translation-en
Hit http://ppa.launchpad.net wily/main Translation-en
Hit http://ppa.launchpad.net wily/main amd64 Packages
Get:35 http://us.archive.ubuntu.com wily-updates/restricted i386 Packages [13.4 kB]
Get:36 http://us.archive.ubuntu.com wily-updates/universe i386 Packages [92.7 kB]
Get:37 http://us.archive.ubuntu.com wily-updates/multiverse i386 Packages [6,677 B]
Hit http://ppa.launchpad.net wily/main i386 Packages
Hit http://us.archive.ubuntu.com wily-updates/main Translation-en
Hit http://us.archive.ubuntu.com wily-updates/multiverse Translation-en
Hit http://us.archive.ubuntu.com wily-updates/restricted Translation-en
Hit http://ppa.launchpad.net wily/main Translation-en
Hit http://us.archive.ubuntu.com wily-updates/universe Translation-en
Hit http://us.archive.ubuntu.com wily-backports/main Sources
Hit http://us.archive.ubuntu.com wily-backports/restricted Sources
Hit http://us.archive.ubuntu.com wily-backports/universe Sources
Hit http://us.archive.ubuntu.com wily-backports/multiverse Sources
Hit http://us.archive.ubuntu.com wily-backports/main amd64 Packages
Hit http://us.archive.ubuntu.com wily-backports/restricted amd64 Packages
Hit http://us.archive.ubuntu.com wily-backports/universe amd64 Packages
Hit http://us.archive.ubuntu.com wily-backports/multiverse amd64 Packages
Hit http://us.archive.ubuntu.com wily-backports/main i386 Packages
Hit http://us.archive.ubuntu.com wily-backports/restricted i386 Packages
Hit http://us.archive.ubuntu.com wily-backports/universe i386 Packages
Hit http://us.archive.ubuntu.com wily-backports/multiverse i386 Packages
Hit http://us.archive.ubuntu.com wily-backports/main Translation-en
Hit http://us.archive.ubuntu.com wily-backports/multiverse Translation-en
Hit http://us.archive.ubuntu.com wily-backports/restricted Translation-en
Hit http://us.archive.ubuntu.com wily-backports/universe Translation-en
Fetched 1,397 kB in 4s (292 kB/s)
Reading package lists... Done
W: There is no public key available for the following key IDs:
1397BC53640DB551
kenny@kenny-OptiPlex-790:/etc/apt/sources.list.d$ apt-cache policy mysql-server
mysql-server:
  Installed: (none)
  Candidate: 5.6.30-0ubuntu0.15.10.1
  Version table:
     5.6.30-0ubuntu0.15.10.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ wily-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ wily-security/main amd64 Packages
     5.6.25-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ wily/main amd64 Packages
kenny@kenny-OptiPlex-790:/etc/apt/sources.list.d$