官网参考指引：https://pkg.jenkins.io/debian-stable/

wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -

deb https://pkg.jenkins.io/debian-stable binary/

sudo apt-get update

sudo apt-get install jenkins

uni@uni-virtual-machine:~$ wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -
[sudo] uni 的密码：
OK
uni@uni-virtual-machine:~$ deb https://pkg.jenkins.io/debian-stable binary/

Command 'deb' not found, did you mean:

  command 'dub' from snap dub (1.19.0)
  command 'den' from snap den (1.2.0-0)
  command 'debc' from deb devscripts
  command 'edb' from deb edb-debugger
  command 'xdeb' from deb xdeb
  command 'debi' from deb devscripts
  command 'deb3' from deb quilt
  command 'derb' from deb icu-devtools
  command 'dep' from deb go-dep
  command 'dab' from deb bsdgames
  command 'dub' from deb dub
  command 'dex' from deb dex

See 'snap info <snapname>' for additional versions.

• 尝试没成功

  https://www.kutu66.com//ubuntu/article_164922