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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](https://juliank.wordpress.com/2016/03/14/dropping-sha-1-support-in-apt/)​. 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