How to install SQL Server on Ubuntu
System Requirements
Memory 2 GB
File system XFS or EXT4(other file systems, such as BTRFS, are unsupported
Disk space 6 GB
Processor speed 2 GHz
Processor cores 2 cores
Processor type x64-compatible only
Step 1 Update
$ sudo apt update && sudo apt upgrade
Step 2 Install GPG Public key
$ sudo wget -qO- https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
Step 3 Add the repository
$ sudo add-apt-repository "$(wget -qO- https://packages.microsoft.com/config/ubuntu/18.04/mssql-server-2019.list)"
Step 4 Install MS SQL Server
$ sudo apt install mssql-server -y
Step 5 Setup
sudo /opt/mssql/bin/mssql-conf setup
Check service running
$ systemctl status mssql-server
...
● mssql-server.service - Microsoft SQL Server Database Engine
Loaded: loaded (/lib/systemd/system/mssql-server.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2021-03-17 09:16:44 UTC; 5s ago
Docs: https://docs.microsoft.com/en-us/sql/linux
Main PID: 72768 (sqlservr)
Tasks: 134
Memory: 613.6M
CGroup: /system.slice/mssql-server.service
├─72768 /opt/mssql/bin/sqlservr
└─72818 /opt/mssql/bin/sqlservr
....