root@james :~# apt-get update
Hit:1 http://security.debian.org stretch/updates InRelease
Get:2 http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease [15.5 kB]
Ign:3 http://ftp.debian.org/debian stretch InRelease
Hit:4 http://ftp.debian.org/debian stretch-updates InRelease
Hit:5 http://ftp.debian.org/debian stretch Release
Ign:2 http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease
Fetched 15.5 kB in 0s (28.6 kB/s)
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2518248EEA14886
W: The repository 'http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
root@vps-zap389903-1:~# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@vps-zap389903-1:~# echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | tee /etc/apt/sources.list.d/webupd8team-java.list
deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
root@vps-zap389903-1:~# echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | tee -a /etc/apt/sources.list.d/webupd8team-java.list
deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
root@vps-zap389903-1:~# apt-key adv --keyserver keyserver.ubuntu.com --recv-keys EEA14886
Executing: /tmp/apt-key-gpghome.BD4D2m5mCb/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys EEA14886
gpg: failed to start the dirmngr '/usr/bin/dirmngr': No such file or directory
gpg: connecting dirmngr at '/run/user/0/gnupg/d.fjhcz59anu1ejm9s6xy8syx6/S.dirmngr' failed: No such file or directory
gpg: keyserver receive failed: No dirmngr
root@vps-zap389903-1:~#
Hit:1 http://security.debian.org stretch/updates InRelease
Get:2 http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease [15.5 kB]
Ign:3 http://ftp.debian.org/debian stretch InRelease
Hit:4 http://ftp.debian.org/debian stretch-updates InRelease
Hit:5 http://ftp.debian.org/debian stretch Release
Ign:2 http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease
Fetched 15.5 kB in 0s (28.6 kB/s)
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2518248EEA14886
W: The repository 'http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
root@vps-zap389903-1:~# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@vps-zap389903-1:~# echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | tee /etc/apt/sources.list.d/webupd8team-java.list
deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
root@vps-zap389903-1:~# echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main" | tee -a /etc/apt/sources.list.d/webupd8team-java.list
deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
root@vps-zap389903-1:~# apt-key adv --keyserver keyserver.ubuntu.com --recv-keys EEA14886
Executing: /tmp/apt-key-gpghome.BD4D2m5mCb/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys EEA14886
gpg: failed to start the dirmngr '/usr/bin/dirmngr': No such file or directory
gpg: connecting dirmngr at '/run/user/0/gnupg/d.fjhcz59anu1ejm9s6xy8syx6/S.dirmngr' failed: No such file or directory
gpg: keyserver receive failed: No dirmngr
root@vps-zap389903-1:~#