use apt-cache to search for the package that you want to install, in this case curl.
This will show all packages with the word curl in.
1 2 3 |
apt-cache search curl |
Then to install
1 2 3 |
sudo apt-get install curl |
If you’re not sure what you’re looking for or just wish to browse through what’s available
1 2 3 |
sudo aptitude |