Just change DNS

1 view DNS

　　vi /etc/resolv.conf

2 add after the original DNS

　　nameserver 114.114.114.114

　　nameserver 8.8.8.8

3 reassembly

　　sudo apt-get install build-essential

Prompt for update during loading

　　Unable to fetch some archives, maybe run apt-get update or try with –fix-missing?

Just update

　　sudo apt-get update

4 check whether the installation is successful

　　gcc –version

reference resources

“Temporary failure resolving ‘CN. Archive. Ubuntu. Com’ appears in Ubuntu apt get install”_ Ben wolf CSDN blog