Step 1: From your home directory in CentOS , type cd /usr/src Step 2: Copy these commands to download the git tar sudo wget https://mirrors.edge.kernel.org/pub/software/scm/git/git-2.29.0.tar.gz sudo tar xzf git-2.29.0.tar.gz Step 3: Install the following dependencies : sudo yum -y install gcc sudo yum install --assumeyes openssl-devel sudo yum install libcurl-devel yum install expat-devel Step 4: cd git-2.29.0 sudo make prefix=/usr/local/git all sudo make prefix=/usr/local/git install Step 5: Open your /etc/bashrc and add the following export PATH=/usr/local/git/bin:$PATH Then type source /etc/bashrc Step 6: Check if git is installed by typing and checking git version horray check git version
Find go version :Type go version Print environment variables in linux printenv GOROOT is a variable that defines where your Go SDK is located.In my computer /usr/local/go. You do not need to change this variable, unless you plan to use different Go versions. GOPATH is the root of your workspace and contains the following folders: src/ : location of Go source code (for example, .go , .c , .g , .s ). pkg/ : location of compiled package code (for example, .a ). bin/ : location of compiled executable programs built by Go. How to find GOPATH and GOROOT in your system? go env GOROOT go env GOPATH GOPATH is used to resolve import statements If the environment variable is unset, GOPATH defaults to a subdirectory named “go” in the user’s home directory. To check this, enter the following command: On Linux: $go env GOPATH $HOME/go When using modules in Go, the GOPATH is no longer used to determine imports. However, it is still used to store downloaded source code in pkg
In Go, the entry point for any application is the main function in the main package. Program execution begins by initializing the main package and then invoking the function main. Your application must have a package named main and declare a function main that takes no arguments and returns no value. package main func main () { … }
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