#!/bin/bash # Check that updates can be installed. set -e echo "Testing apt-get install" echo "Clean repository" apt-get clean #Testing if sl package exists and remove it if ( dpkg -s sl >/dev/null 2>&1 ); then echo "Removing already installed testing package" apt-get -y remove sl fi # Installation testing package sl apt-get update && apt-get -y install sl && apt-get -y remove sl