List upgradable packages with APT
# With apt
apt list --upgradable
#!/bin/bash
# With apt-get
# -------------------------
# alternative 1
# -------------------------
sudo apt-get upgrade -s | grep "Inst"
# -------------------------
# alternative 2
# -------------------------
apt-get --just-print upgrade
# -------------------------
# Alternative 3
# -------------------------
# apt-show-versions
# -u, --upgradeable
# Print only upgradeable packages
# install apt-show-versions
sudo apt-get install apt-show-versions
# Run apt-show-versions and show only upgradable packages
apt-show-versions -u