-1
votes
0answers
17 views

Problemas getting update

im kind of new with ubuntu and im getting this message every time i try to update with sudo apt-get update: what i get in the terminal Please someone who can help me?
0
votes
0answers
41 views

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

I'm quite new to linux and I've been facing a lot of prob. Every single time I use sudo apt-get update I get the following output: (I apologize for not being able to upload it here directly ...
0
votes
0answers
12 views

Error on updating Ubuntu [duplicate]

Every time I run an update, I get this at the end of an update. Being a relatively new-user, this hardly makes any sense to me. Could someone please point out to what exactly does this mean? W: GPG ...
1
vote
0answers
47 views

Apt-get commands won't work

On my ubuntu 15.04 server the apt-get command won't work. I think it has something to do with perl. Does anyone know how to fix it? I've already tried apt-get -f install, but that outputs the same ...
1
vote
0answers
15 views

Errors during apt-get update [duplicate]

Software center and synaptics got broken somehow. I seem to have it fixed through sourses.list but I'm getting errors when I run sudo apt-get update. (Screenshot will be coming soon)
0
votes
0answers
117 views

ubuntu 15.10 mate update ERROR [duplicate]

W: GPG error: http://download.opensuse.org Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 977C43A8BA684223 W: Failed to fetch ...
0
votes
0answers
16 views

How to install mysql 5.7 on 14.04 using apt-get - W: GPG error: [duplicate]

How to I get the keys for installing mysql? I dont know how to add the keys. gpg --recv-keys 5072E1F5 curl -s ??????? | sudo apt-key add - echo 'deb http://repo.mysql.com/apt/ubuntu trusty ...
0
votes
0answers
20 views

how to fix when GPG error? [duplicate]

any body know to fix it? W: GPG error: http://ppa.launchpad.net vivid Release: The following signatures were invalid: BADSIG FC14671BA89CA06C Launchpad PPA for Costales
1
vote
1answer
117 views

GPG Error Missing Signature [duplicate]

When I do the command below: sudo apt-get upgrade At the bottom I get an error saying W: GPG error: http://download.opensuse.org Release: The following signatures couldn't be verified because the ...
0
votes
3answers
133 views

what causes this error by `apt-get update`

What causes this error when sudo apt-get update is issued? W: GPG error: http://download.virtualbox.org trusty InRelease: The following signatures couldn't be verified because the public key is not ...
0
votes
1answer
301 views

W: GPG error and WARNING: The following packages cannot be authenticated!

I am getting following output of sudo apt-get update and sudo apt-get upgrade command. user@user-VPCCB45FN:~$ sudo apt-get update ...... ...... Ign http://in.archive.ubuntu.com trusty-backports/main ...
3
votes
1answer
311 views

/var/cache/apt-show-versions/files: No such file or directory

When I run sudo apt-get update this is the result: can't create /var/cache/apt-show-versions/files: No such file or directory at /usr/bin/apt-show-versions line 196. E: Problem executing scripts ...
0
votes
0answers
14 views

QGIS installation [duplicate]

When I installed QGIS through terminal with istruction from QGIS website, I found this problem W: GPG error: http://qgis.org trusty InRelease: The following signatures couldn't be verified because the ...
0
votes
2answers
266 views

I am installing jenkins server but its giving W: GPG error:

Hello all i am installing Jenkins server but i am facing below issue. W: GPG error: http://pkg.jenkins-ci.org binary/ Release: The following signatures couldn't be verified because the public key is ...
1
vote
1answer
91 views

14.04 - GPG error, public key not available

apt-get update returns: W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D46F45428842CE5E i've ...

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