Apt-get Gpg Error Public Key
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Debian Keyserver
takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How to fix missing GPG keys? up vote 106 down
Gpg Error Http //ppa.launchpad.net Trusty Release
vote favorite 49 I have just installed Ubuntu 12.04 and I added some repo, and when I did apt-get update, I got missing gpg key. Following command seems to doesn't work for me: apt-get update 2> /tmp/keymissing; for key in $(grep "NO_PUBKEY" /tmp/keymissing |sed "s/.*NO_PUBKEY //"); do echo -e "\nProcessing key: $key"; gpg --keyserver subkeys.pgp.net --recv $key && sudo gpg --export --armor $key | apt-key add -; done How to fix this problem? updates repository gnupg gpg error no_pubkey keys share|improve this question edited Jul 11 at 21:50 amc 3,22242141 asked Apr 28 '12 at 22:26 Fih 6862615 It would be good if answers to this question included why this error is happening in the first place, and what to do to avoid it in future. –Flimm Jul 6 '12 at 11:34 I solved my problem using Y-ppa-manager. Thanks to Ashu for the solution! –user152704 May 7 '13 at 1:53 1 Detailed solution with screenshots opensourceforgeeks.blogspot.in/2013/04/… –Aniket Thakur Dec 5 '13 at 6:58 1 Related: askubuntu.com/q/13065/178596 –Wilf Jul 19 '15 at 20:46 add a comment| 13 Answers 13 active oldest votes up vote 168 down vote I liked this solution, re-download the missing keys from the Ubuntu key server. UBUNTU: Fixing GPG Keys in UBUNTU In my case Reading package lists... Done W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2EA8F35793D8809A Here is the command to add the missing key mentioned in the error message. sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 2EA8F35793D8809A So I take the missing key 2EA8F35793D8809A and ask the keyserver.ubuntu.com to added it to the list of keys I have in apt. share|improve this answer edited Oct 25 '15 at 2:12 blade19899 13.6k1580135 answered May 23 '12 at 9:21 nelaar 3,90221533 1 askubunt
result in error messages such as the following: [chris@server ~]$ sudo apt-get update Ign http://security.ubuntu.com trusty-security InRelease Get:1 http://security.ubuntu.com trusty-security
Gpg Error Http Ppa Launchpad Net Trusty Inrelease
Release.gpg [933 B] ... Fetched 21.9 MB in 14s (1,537 kB/s) apt get gpg error keyexpired Reading package lists... Done W: GPG error: http://security.ubuntu.com trusty-security Release: The following signatures couldn't be verified sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 W: GPG error: http://archive.canonical.com trusty Release: The following signatures couldn't be verified because the public key is http://askubuntu.com/questions/127326/how-to-fix-missing-gpg-keys not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 W: GPG error: http://archive.ubuntu.com trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 W: GPG error: http://archive.ubuntu.com trusty-updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32 [chris@server ~]$ If https://chrisjean.com/fix-apt-get-update-the-following-signatures-couldnt-be-verified-because-the-public-key-is-not-available/ these errors aren't fixed, apt will have problems when installing or upgrading packages. For example: [chris@server ~]$ sudo apt-get upgrade Reading package lists... Done Building dependency tree... Done Calculating upgrade... Done ... E: Some packages could not be authenticated [chris@server ~]$ The apt packaging system has a set of trusted keys that determine whether a package can be authenticated and therefore trusted to be installed on the system. Sometimes the system does not have all the keys it needs and runs into this issue. Fortunately, there is a quick fix. Each key that is listed as missing needs to be added to the apt key manager so that it can authenticate the packages. Looking at the error above, apt is telling us that the following keys are missing: 40976EAF437D05B5 and 3B4FE6ACC0B21F32. Notice that these are listed multiple times. Each unique key will only need to be added once. To add these keys, run the following commands: [chris@server ~]$ sudo apt-key adv --keyserver keyserv
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