1root@jenkins3:~# apt-cache showpkg chromium-chromedriver 2Package: chromium-chromedriver 3Versions: 462.0.3202.62-0ubuntu0.14.04.1204 (/var/lib/apt/lists/mirrors.digitalocean.com_ubuntu_dists_trusty-updates_universe_binary-amd64_Packages) …

1sudo add-apt-repository ppa:webupd8team/java 2sudo apt-get update 3sudo apt-get install oracle-java8-installer More details in https://www.digitalocean.com/community/tutorials/how-to-install-java-with-apt-get-on-ubuntu-16-04

1dpkg --get-selections

PPA or Personal Package Archive are unofficial and may therefore harm your system. It is always recommended to use official sources. Nevertheless, if you know what you're doing, proceed. It is in: 1/etc/apt/sources.list.d/ More info in https://askubuntu.com/questions/57326/where-is-the-ppa-sources-config-file

See https://www.digitalocean.com/community/questions/how-to-upgrade-from-php-v-5-5-9-to-v-5-6

1sudo apt-get install -y python-software-properties 2sudo add-apt-repository -y ppa:ondrej/php 3sudo apt-get update -y 4sudo apt-get install -y $(apt-cache pkgnames | grep php7.1|tr "\n" " ") See https://www.vultr.com/docs/how-to-install-and-configure-php-70-or-php-71-on-ubuntu-16-04

1do-release-upgrade See https://help.ubuntu.com/lts/serverguide/installing-upgrading.html

1apt-get install --only-upgrade <packagename> See details in https://askubuntu.com/questions/44122/how-to-upgrade-a-single-package-using-apt-get