2021-10-19 go git Golang Errmain.go:7:2: cannot find package "github.com/lib/pq" in any of: /usr/local/go/src/github.com/lib/pq (from $GOROOT) /home/ub1/go/src/github.com/lib/pq (from $GOPATH) sudo apt install git Errb1@ub1-System-Product-Name:~/golang/03$ go get github.com/mattn/go-sqlite3# github.com/mattn/go-sqlite3cgo: C compiler "gcc" not found: exec: "gcc": executable file not found in $PATH sudo apt install gcc