I am using these steps to migrate from a Ubuntu 16.04 32bit server (512mb) to a 64bit server (1gb) on…

https://askubuntu.com/questions/99834/how-do-you-see-what-packages-are-available-for-update /usr/lib/update-notifier/apt-check -p or https://askubuntu.com/questions/49958/how-to-find-the-number-of-packages-needing-update-from-the-command-line $ sudo cat /var/lib/update-notifier/updates-available The normal way to upgrade: $ sudo apt-get upgrade The alternative…

Alt title: Software updater fails because of error in signature verification. http://community.rtcamp.com/t/repo-key-expired-error-for-easyengine-on-ubuntu-16-04/9227 The expiry date for the key has been…

https://askubuntu.com/questions/187071/how-do-i-shut-down-or-reboot-from-a-terminal For shutdown: $ sudo poweroff For restart: $ sudo reboot

https://gist.github.com/adamstac/7462202 https://www.abeautifulsite.net/configuring-sendmail-on-ubuntu-1404 1. Install Sendmail $ sudo apt-get install sendmail 2. Configure /etc/hosts file: Find your hostname by typing: $…

http://www.ubuntugeek.com/how-to-clear-cached-memory-on-ubuntu.html $ sync; echo 3 | sudo tee /proc/sys/vm/drop_caches