Install .NET Core SDK on Linux Ubuntu 18.04 – x64

Register Microsoft key and feed

Before installing .NET, you’ll need to register the Microsoft key, register the product repository, and install required dependencies. This only needs to be done once per machine.

$ wget -q -O packages-microsoft-prod.deb
$ sudo dpkg -i packages-microsoft-prod.deb

Install the .NET SDK

Update the products available for installation, then install the .NET SDK.

$ sudo add-apt-repository universe
$ sudo apt-get install apt-transport-https
$ sudo apt-get update
$ sudo apt-get install dotnet-sdk-2.2


$ dotnet --version


ติดตั้ง SSH Server บน Ubuntu 18.04

การติดตั้ง openssh

$ sudo apt install openssh-server

การตรวจสอบสถานะ ssh

ตรวจสอบสถานะ ssh ด้วยคำสั่ง service หรือ systemctl

$ service ssh status
● ssh.service - OpenBSD Secure Shell server
     Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2023-03-27 14:23:15 +07; 2min 15s ago
       Docs: man:sshd(8)
   Main PID: 2518 (sshd)
      Tasks: 1 (limit: 9444)
     Memory: 2.7M
     CGroup: /system.slice/ssh.service
             └─2518 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups
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