apt-get update

Hit:1 http://dl.google.com/linux/chrome/deb stable InRelease
Ign:2 http://linux.dropbox.com/ubuntu wily InRelease
Hit:4 http://cran.rstudio.com/bin/linux/ubuntu xenial/ InRelease
Get:6 http://security.ubuntu.com/ubuntu xenial-security InRelease [109 kB]
Get:7 http://linux.dropbox.com/ubuntu wily Release [6,596 B]
Hit:8 http://us.archive.ubuntu.com/ubuntu xenial InRelease
Hit:9 http://download.mono-project.com/repo/debian wheezy InRelease
Hit:10 https://apt-mo.trafficmanager.net/repos/dotnet-release xenial InRelease
Get:11 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB]
Hit:13 http://ppa.launchpad.net/audio-recorder/ppa/ubuntu xenial InRelease
Ign:14 https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 InRelease
Hit:15 https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 Release
Ign:16 http://www.openprinting.org/download/printdriver/debian lsb3.2 InRelease
Hit:17 http://packages.microsoft.com/repos/vscode stable InRelease
Hit:3 https://headsetapp.co/headset-electron/debian stable InRelease
Hit:18 http://www.openprinting.org/download/printdriver/debian lsb3.2 Release
Hit:19 https://repo.skype.com/deb stable InRelease
Get:20 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease [107 kB]
Hit:21 http://ppa.launchpad.net/bablu-boy/nutty.0.1/ubuntu xenial InRelease
Ign:5 http://toolbelt.heroku.com/ubuntu ./ InRelease
Get:24 http://security.ubuntu.com/ubuntu xenial-security/main amd64 DEP-11 Metadata [78.7 kB]
Hit:25 http://ppa.launchpad.net/daniruiz/flat-remix/ubuntu xenial InRelease
Get:23 http://toolbelt.heroku.com/ubuntu ./ Release [1,609 B]
Get:26 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 DEP-11 Metadata [124 kB]
Ign:27 http://download.ebz.epson.net/dsc/op/stable/debian lsb3.2 InRelease
Get:28 http://security.ubuntu.com/ubuntu xenial-security/multiverse amd64 DEP-11 Metadata [2,468 B]
Get:31 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 DEP-11 Metadata [326 kB]
Get:29 http://toolbelt.heroku.com/ubuntu ./ Release.gpg [473 B]
Hit:32 http://ppa.launchpad.net/gabor-karsay/parlatype/ubuntu xenial InRelease
Get:33 http://us.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 DEP-11 Metadata [276 kB]
Hit:34 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease
Get:35 http://us.archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 DEP-11 Metadata [5,964 B]
Get:36 http://us.archive.ubuntu.com/ubuntu xenial-backports/main amd64 DEP-11 Metadata [3,328 B]
Get:37 http://us.archive.ubuntu.com/ubuntu xenial-backports/universe amd64 DEP-11 Metadata [6,616 B]
Hit:38 http://ppa.launchpad.net/nathan-renniewaldock/flux/ubuntu xenial InRelease
Hit:40 http://ppa.launchpad.net/noobslab/themes/ubuntu xenial InRelease
Hit:41 http://ppa.launchpad.net/snwh/pulp/ubuntu xenial InRelease
Hit:42 http://ppa.launchpad.net/teejee2008/ppa/ubuntu xenial InRelease
Get:39 http://download.ebz.epson.net/dsc/op/stable/debian lsb3.2 Release [217 kB]
Hit:43 http://ppa.launchpad.net/tista/adapta/ubuntu xenial InRelease
Hit:44 http://ppa.launchpad.net/umang/indicator-stickynotes/ubuntu xenial InRelease
Hit:45 http://ppa.launchpad.net/wpilib/toolchain/ubuntu xenial InRelease
Get:46 http://download.ebz.epson.net/dsc/op/stable/debian lsb3.2 Release.gpg [198 B]
Fetched 1,373 kB in 3s (373 kB/s)
Reading package lists... Done
W: http://www.openprinting.org/download/printdriver/debian/dists/lsb3.2/Release.gpg: Signature by key F8897B6F00075648E248B7EC24CBF5474CFD1E2F uses weak digest algorithm (SHA1)
W: http://download.ebz.epson.net/dsc/op/stable/debian/dists/lsb3.2/Release.gpg: Signature by key E5220FB7014D0FBDA50DFC2BE5E86C008AA65D56 uses weak digest algorithm (SHA1)