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New on Ubuntu .. I'm getting these warning after 

$ sude apt-get update

W: http://archive.canonical.com/ubuntu/dists/precise/Release.gpg: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)

W: http://us.archive.ubuntu.com/ubuntu/dists/precise-security/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)

W: http://us.archive.ubuntu.com/ubuntu/dists/precise-updates/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)

W: http://extras.ubuntu.com/ubuntu/dists/precise/Release.gpg: Signature by key C47415DFF48C09645B78609416126D3A3E5C1192 uses weak digest algorithm (SHA1)

W: http://us.archive.ubuntu.com/ubuntu/dists/precise-backports/InRelease: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)

W: http://us.archive.ubuntu.com/ubuntu/dists/precise/Release.gpg: Signature by key 630239CC130E1A7FD81A27B140976EAF437D05B5 uses weak digest algorithm (SHA1)

Actually I tried to install PHP, Apache, MYSql, phpMyadmin

First I installed PHP, then Apache and Then Mysql server and then I tried to Install phpMyadmin then it gives me some missing error on PhpMyadmin Error was kind of : mbstring missing

so i search for issue and ran some command on terminal after that i find out i need to install PPA repository then i installed it and then i retried to install phpMyadmin and now this is what happening..

Getting Warning Messages.

Any help would be appreciated..

Shail Paras
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  • @karel - NO Its not dupplicate, that question is related to Google repository. I dont know mine is related to same or not but i never installed Chrome in my system. – Shail Paras Aug 06 '16 at 14:07
  • Debian and Ubuntu enforce SHA256 or higher entries in the Release and/or Packages files since March‌​. Repositories missing these need to be fixed by their owners. This quote was taken from one of the answers to the linked question that you didn't read. – karel Aug 06 '16 at 14:52
  • ok.. Then what is the solution? How can i remove these broken packages? – Shail Paras Aug 06 '16 at 17:03
  • Nothing is broken. It is just a warning. – Pilot6 Aug 07 '16 at 08:40

1 Answers1

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Finally i have the answer for my own question, may be that is a bad idea but now i'm able to do everything without any warning messages.

I have reinstalled Ubuntu 16.04 and then installed PHP, Apache, and phpMyadmin without any problem. Seems like i had messed up with unity systems by running some random command.

Shail Paras
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  • I'm replying to your comment here because it makes more sense to reply to it here. The terminal keeps a history of the last 2000 commands which can be shown using the history command. If there was some random command that messed up your system you would have been able to find it that way. And PPAs can mess your system up. – karel Aug 06 '16 at 21:38
  • @karel - Thanks for your comment , I appreciate for your information as i said i have less experience in Ubuntu and i tried to undo things but it didn't happens Thats why i had to do this to my save time. but for next time i will take care of every command before executing them. – Shail Paras Aug 07 '16 at 04:53