Rodei o sudo ./jenkins.sh, e deu o seguinte erro:
vagrant@ubuntu-bionic:/vagrant/scripts$ sudo ./jenkins.sh OK Hit:2 https://download.docker.com/linux/ubuntu bionic InRelease Ign:1 https://pkg.jenkins.io/debian-stable binary/ InRelease Get:3 https://pkg.jenkins.io/debian-stable binary/ Release [2044 B] Get:4 https://pkg.jenkins.io/debian-stable binary/ Release.gpg [833 B] Ign:4 https://pkg.jenkins.io/debian-stable binary/ Release.gpg Hit:5 http://archive.ubuntu.com/ubuntu bionic InRelease Hit:6 http://security.ubuntu.com/ubuntu bionic-security InRelease Hit:7 http://archive.ubuntu.com/ubuntu bionic-updates InRelease Hit:8 http://archive.ubuntu.com/ubuntu bionic-backports 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 5BA31D57EF5975CA 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. Reading package lists... Done Building dependency tree Reading state information... Done Package jenkins is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source
E: Package 'jenkins' has no installation candidate
