Updated Ubuntu requirements doc with better Golang instructions. (mic…

…rosoft#6348) (microsoft#6419) * Updating Ubuntu requirements doc. * Adding missed Go version update. Co-authored-by: Pawel Winogrodzki <[email protected]>
PawelWMS · Oct 13, 2023 · 3d3fcf7 · 3d3fcf7
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diff --git a/toolkit/docs/building/prerequisites-ubuntu.md b/toolkit/docs/building/prerequisites-ubuntu.md
@@ -1,13 +1,11 @@
 
 # Build Requirements on `Ubuntu`
 
-## Requirements were validated on `Ubuntu 18.04`
+## Requirements were validated on `Ubuntu 22.04`
 
-This page lists host machine requirements for building with the CBL-Mariner toolkit. They cover building the toolchain, packages, and images on an Ubuntu 18.04 host.
+This page lists host machine requirements for building with the CBL-Mariner toolkit. They cover building the toolchain, packages, and images on an Ubuntu 22.04 host.
 
 ```bash
-# Add a backports repo in order to install the latest version of Go.
-sudo add-apt-repository ppa:longsleep/golang-backports
 sudo apt-get update
 
 # Install required dependencies.
@@ -18,7 +16,7 @@ sudo apt -y install \
     gawk \
     genisoimage \
     git \
-    golang-1.19-go \
+    golang-1.20-go \
     make \
     parted \
     pigz \
@@ -28,8 +26,9 @@ sudo apt -y install \
     wget \
     xfsprogs
 
-# Fix go 1.19 link
-sudo ln -vsf /usr/lib/go-1.19/bin/go /usr/bin/go
+# Fix go 1.20 link
+sudo ln -vsf /usr/lib/go-1.20/bin/go /usr/bin/go
+sudo ln -vsf /usr/lib/go-1.20/bin/gofmt /usr/bin/gofmt
 
 # Install and configure Docker.
 curl -fsSL https://get.docker.com -o get-docker.sh

diff --git a/toolkit/tools/go.mod b/toolkit/tools/go.mod
@@ -1,6 +1,6 @@
 module github.com/microsoft/CBL-Mariner/toolkit/tools
 
-go 1.19
+go 1.20
 
 require (
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d