Ubuntu make cannot be installed

The bug that make cannot be installed in ubuntu helps students install the environment on their servers. the following error occurs: command line code Theprogram & amp; #39; make & amp; #39; iscurrentlynotinstalled. youcaninstallitbytyping :...
During The installation of The environment on ubuntu Server, The make command cannot be used. The prompt is: The command line code The program 'make' is currently not installed. you can install it by typing: apt-get install make www.2cto.com try: sudo apt-get install make prompt: command line code Reading package lists... done Building dependency tree Reading state information... done
Package make is not available, but is referred to by another package. this may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'make 'has no installation candidate network can be connected, and then try: the [Waiting for headers] prompt at the end of sudo apt-get update indicates that the system source cannot be used;
Update ubuntu source (http://www.2cto.com/ OS /201209/155695.html): www.2cto.com 1. First back up Ubuntu source list sudo cp/etc/apt/sources. list/etc/apt/sources. list. backup (backup of the current source list, ready for use) 2. modify and update the source sudo vim/etc/apt/sources. list (open the Ubuntu 12.04 source list file)
3. paste the following code (the line starting with "#" is a comment and can be copied directly to the file) 4. notify ubuntu to enable the new update source sudo apt-get update5, run sudo apt-get install build-essential, and then run the make command ..