Error While Easy Installing!

`sudo bash --setup-production
[sudo] password for park: 
Installing for Ubuntu vivid amd64
In case you encounter an error, you can post on

Adding ubuntu mariadb repo
Ign vivid InRelease
Hit vivid InRelease
Ign vivid Release.gpg
Ign vivid Release
Hit vivid-updates InRelease
Hit vivid-backports InRelease
Hit vivid-security InRelease
Get:1 vivid/main Sources [1٬077 kB]
Err vivid/main amd64 Packages
  404  Not Found [IP: 80]
Err vivid/main i386 Packages
  404  Not Found [IP: 80]
Ign vivid/main Translation-en_US
Ign vivid/main Translation-en
Get:2 vivid/restricted Sources [7٬162 B]
Get:3 vivid/universe Sources [7٬017 kB]
Get:4 vivid/multiverse Sources [174 kB]
Get:5 vivid/main amd64 Packages [1٬364 kB]
Get:6 vivid/restricted amd64 Packages [15٫4 kB]
Get:7 vivid/universe amd64 Packages [6٬485 kB]
Get:8 vivid/multiverse amd64 Packages [134 kB]
Get:9 vivid/main i386 Packages [1٬361 kB]
Get:10 vivid/restricted i386 Packages [15٫5 kB]
Get:11 vivid/universe i386 Packages [6٬486 kB]
Get:12 vivid/multiverse i386 Packages [134 kB]
Get:13 vivid/main Translation-en [793 kB]
Get:14 vivid/multiverse Translation-en [103 kB]
Get:15 vivid/restricted Translation-en [4٬228 B]
Get:16 vivid/universe Translation-en [4٬456 kB]
Get:17 vivid-updates/main Sources [112 kB]
Get:18 vivid-updates/restricted Sources [4٬351 B]
Get:19 vivid-updates/universe Sources [51٫7 kB]
Get:20 vivid-updates/multiverse Sources [2٬406 B]
Get:21 vivid-updates/main amd64 Packages [289 kB]
Get:22 vivid-updates/restricted amd64 Packages [13٫6 kB]
Get:23 vivid-updates/universe amd64 Packages [138 kB]
Get:24 vivid-updates/multiverse amd64 Packages [6٬028 B]
Get:25 vivid-updates/main i386 Packages [285 kB]
Get:26 vivid-updates/restricted i386 Packages [13٫3 kB]
Get:27 vivid-updates/universe i386 Packages [138 kB]
Get:28 vivid-updates/multiverse i386 Packages [6٬502 B]
Get:29 vivid-updates/main Translation-en [137 kB]
Get:30 vivid-updates/multiverse Translation-en [3٬120 B]
Get:31 vivid-updates/restricted Translation-en [3٬112 B]
Get:32 vivid-updates/universe Translation-en [81٫6 kB]
Get:33 vivid-backports/main Sources [751 B]
Hit vivid-backports/restricted Sources
Get:34 vivid-backports/universe Sources [6٬489 B]
Hit vivid-backports/multiverse Sources
Get:35 vivid-backports/main amd64 Packages [612 B]
Hit vivid-backports/restricted amd64 Packages
Get:36 vivid-backports/universe amd64 Packages [5٬116 B]
Hit vivid-backports/multiverse amd64 Packages
Get:37 vivid-backports/main i386 Packages [612 B]
Hit vivid-backports/restricted i386 Packages
Get:38 vivid-backports/universe i386 Packages [5٬121 B]
Hit vivid-backports/multiverse i386 Packages
Get:39 vivid-backports/main Translation-en [486 B]
Hit vivid-backports/multiverse Translation-en
Hit vivid-backports/restricted Translation-en
Get:40 vivid-backports/universe Translation-en [5٬249 B]
Get:41 vivid-security/main Sources [59٫7 kB]
Get:42 vivid-security/restricted Sources [3٬418 B]
Get:43 vivid-security/universe Sources [24٫3 kB]
Get:44 vivid-security/multiverse Sources [1٬942 B]
Get:45 vivid-security/main amd64 Packages [198 kB]
Get:46 vivid-security/restricted amd64 Packages [11٫2 kB]
Get:47 vivid-security/universe amd64 Packages [77٫0 kB]
Get:48 vivid-security/multiverse amd64 Packages [6٬028 B]
Get:49 vivid-security/main i386 Packages [195 kB]
Get:50 vivid-security/restricted i386 Packages [10٫9 kB]
Get:51 vivid-security/universe i386 Packages [77٫0 kB]
Get:52 vivid-security/multiverse i386 Packages [6٬197 B]
Get:53 vivid-security/main Translation-en [95٫9 kB]
Get:54 vivid-security/multiverse Translation-en [2٬743 B]
Get:55 vivid-security/restricted Translation-en [2٬774 B]
Get:56 vivid-security/universe Translation-en [48٫1 kB]
Fetched 31٫8 MB in 7min 34s (69٫9 kB/s)
W: Failed to fetch  404  Not Found [IP: 80]

W: Failed to fetch  404  Not Found [IP: 80]

E: Some index files failed to download. They have been ignored, or old ones used instead.

The link is broken I guess?

The problem is that the mirror doesn’t have a vivid repo, can you install MariaDB manually and run the script again, or just use Ubuntu 15.10 / 14.04?

Thank You for your reply
Upgrading my Ubuntu 15.04 to Ubuntu 15.10.