root@fe-prod-web-01:~# apt-get update
Hit:1 http://mirrors.linode.com/ubuntu xenial InRelease
Get:2 http://mirrors.linode.com/ubuntu xenial-updates InRelease [109 kB]
Get:3 http://mirrors.linode.com/ubuntu xenial-backports InRelease [107 kB]
Ign:4 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 InRelease
Hit:5 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 Release
Hit:6 http://apt-longview.linode.com xenial InRelease
Get:7 http://security.ubuntu.com/ubuntu xenial-security InRelease [107 kB]
Hit:8 http://nyc2.mirrors.digitalocean.com/mariadb/repo/10.2/ubuntu xenial InRelease
Hit:9 http://ppa.launchpad.net/gluster/glusterfs-3.12/ubuntu xenial InRelease
Ign:10 http://mirrors.linode.com/ubuntu xenial-updates/main amd64 Packages
Ign:11 http://mirrors.linode.com/ubuntu xenial-updates/main i386 Packages
Ign:12 http://mirrors.linode.com/ubuntu xenial-updates/main Translation-en
Ign:13 http://mirrors.linode.com/ubuntu xenial-updates/universe amd64 Packages
Ign:14 http://mirrors.linode.com/ubuntu xenial-updates/universe i386 Packages
Get:10 http://mirrors.linode.com/ubuntu xenial-updates/main amd64 Packages [873 kB]
Err:10 http://mirrors.linode.com/ubuntu xenial-updates/main amd64 Packages
  Hash Sum mismatch
Get:11 http://mirrors.linode.com/ubuntu xenial-updates/main i386 Packages [778 kB]
Err:11 http://mirrors.linode.com/ubuntu xenial-updates/main i386 Packages

Get:12 http://mirrors.linode.com/ubuntu xenial-updates/main Translation-en [355 kB]
Err:12 http://mirrors.linode.com/ubuntu xenial-updates/main Translation-en

Get:13 http://mirrors.linode.com/ubuntu xenial-updates/universe amd64 Packages [702 kB]
Err:13 http://mirrors.linode.com/ubuntu xenial-updates/universe amd64 Packages

Get:14 http://mirrors.linode.com/ubuntu xenial-updates/universe i386 Packages [644 kB]
Err:14 http://mirrors.linode.com/ubuntu xenial-updates/universe i386 Packages

Hit:16 http://ppa.launchpad.net/nginx/stable/ubuntu xenial InRelease
Hit:17 http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease
Get:18 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages [575 kB]
Get:19 http://security.ubuntu.com/ubuntu xenial-security/main i386 Packages [494 kB]
Get:20 http://security.ubuntu.com/ubuntu xenial-security/main Translation-en [241 kB]
Fetched 4,984 kB in 1s (4,487 kB/s)
Reading package lists... Done
E: Failed to fetch http://mirrors.linode.com/ubuntu/dists/xenial-updates/main/binary-amd64/Packages.xz  Hash Sum mismatch
E: Failed to fetch http://mirrors.linode.com/ubuntu/dists/xenial-updates/main/binary-i386/Packages.xz
E: Failed to fetch http://mirrors.linode.com/ubuntu/dists/xenial-updates/main/i18n/Translation-en.xz
E: Failed to fetch http://mirrors.linode.com/ubuntu/dists/xenial-updates/universe/binary-amd64/Packages.xz
E: Failed to fetch http://mirrors.linode.com/ubuntu/dists/xenial-updates/universe/binary-i386/Packages.xz
E: Some index files failed to download. They have been ignored, or old ones used instead.