Fedora/RHEL, Packages, Ubuntu

List gpg keys in your system

1.1. RPM based distros (RHEL, CentOS, Fedora)

Import:

$ sudo rpm --import repomd.xml.key

List:

$ rpm -q gpg-pubkey|sort

Getting info:

rpm -qi  | grep Summary   

(or without the ‘grep’ part to view full info of the key package)

To remove:

sudo rpm -e --allmatches 

Example:

[root chip ~]# rpm -q gpg-pubkey|sort
gpg-pubkey-1ac70ce6-41bebeef
gpg-pubkey-30c9ecf8-3f9da3f7
gpg-pubkey-4f2a6fd2-3f9d9d3b
gpg-pubkey-8df56d05-3e828977
gpg-pubkey-8df56d05-3e828977
gpg-pubkey-a109b1ec-3f6e28d5
gpg-pubkey-db42a60e-37ea5438
gpg-pubkey-e42d547b-3960bdf1
[root chip ~]# rpm -e --allmatches gpg-pubkey-8df56d05-3e828977
[root chip ~]# rpm -q gpg-pubkey|sort
gpg-pubkey-1ac70ce6-41bebeef
gpg-pubkey-30c9ecf8-3f9da3f7
gpg-pubkey-4f2a6fd2-3f9d9d3b
gpg-pubkey-a109b1ec-3f6e28d5
gpg-pubkey-db42a60e-37ea5438
gpg-pubkey-e42d547b-3960bdf1

1.2 Debian / Ubuntu

$ gpg --list-keys user_ID

Example:

$ gpg --list-keys
/home/iplsdk/.gnupg/pubring.gpg
-------------------------------
pub   2048R/E5****A4 2015-01-12
uid                  IBM Software Development Kit for Linux on Power
sub   2048R/F2*****9 2015-01-12

pub   4096R/78C*****4 2016-02-11
uid                  IBM SDK for Linux on Power (The IBM Software Development Kit for Linux on Power is a free Eclipse-based Integrated Development Environment) <iplsdk@linux.vnet.ibm.com>
sub   4096R/B3*****0 2016-02-1

Add a gpg-key in your environment:

After you get the .gpg file, you need to 'add-apt-key' it into your keyring. Here:
$ sudo apt-key add .gpg

Don’t forget:
$ sudo apt-get update

Cheers!

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