Hit:7 http://cn.archive.ubuntu.com/ubuntu bionic-security InRelease
Reading package lists... Done
W: GPG error: https://pkg.jenkins.io/debian-stable binary/ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FCEF32E745F2C3D5
E: The repository 'http://pkg.jenkins.io/debian-stable binary/ Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
ruiy@jenkins_ruiqin:~$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys FCEF32E745F2C3D5
Executing: /tmp/apt-key-gpghome.CjKXbrNREi/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys FCEF32E745F2C3D5
gpg: key FCEF32E745F2C3D5: public key "Jenkins Project <jenkinsci-board@googlegroups.com>" imported
gpg: Total number processed: 1
gpg: imported: 1
ruiy@jenkins_ruiqin:~$
ruiy@jenkins_ruiqin:~$ cat /etc/apt/sources.list.d/jenkins.list
deb http://pkg.jenkins.io/debian-stable binary/
Jenkins Debian Packages
This is the Debian package repository of Jenkins to automate installation and upgrade. To use this repository, first add the key to your system:
curl -fsSL https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo tee \
/usr/share/keyrings/jenkins-keyring.asc > /dev/null
Then add a Jenkins apt repository entry:
echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] \
https://pkg.jenkins.io/debian-stable binary/ | sudo tee \
/etc/apt/sources.list.d/jenkins.list > /dev/null
Update your local package index, then finally install Jenkins:
sudo apt-get update
sudo apt-get install jenkins
