Oracle Cloud ubuntu instance connection refused

Background Oracle cloud is giving out always free instance/db/warehouse, so I decided to give a try for potential use of our church website. Application Applying a new account take a while, unlike AWS you can use it immediately after creation, this one seems to take some manual check so after 2 days of review, the…

cli for postgres in linux

If  your PostgreSQL server is not started, start it with the following command. sudo service postgresql start To getting started with postgreSQL, open your Terminal, and type: username$ sudo su – postgres Now you are logged into your vm with the postgres user. Then connect to template1 database using the postgresql’s psql client: postgres ~$…

Use fish shell as login shell in Ubuntu

Install fish first Then the change shell command makes fish the default shell. chsh -s /usr/bin/fish​ If the fish is not there, use ‘which fish’ to locate it first and then chsh -s to it. install wahoo curl -L git.io/wa | sh Wahoo is an all-purpose framework for the fishshell. It looks after your configuration, themes and…