Triggered if run as root (root should know what he is doing without Is only a simulation, if the option APT::Get::Show-User-Simulation-Note Also a notice will be displayed indicating that this Simulation run as user will deactivate locking (Debug::NoLocking)Īutomatic. No action perform a simulation of events that would occurīut do not actually change the system. Inst kubernetes-cni (0.7.5-00 kubernetes-xenial:kubernetes-xenial )Ĭonf kubernetes-cni (0.7.5-00 kubernetes-xenial:kubernetes-xenial apt-get -u upgrade -assume-noĮ: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied)Į: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you sudo apt-get -u upgrade -assume-noĪfter this operation, 4,278 kB of additional disk space will be used.ĭo you want to continue? sudo apt-get -u -V upgradeįrom the apt-get man page, -s, -simulate, -just-print, -dry-run, -recon, -no-act So don't depend on the relevance to the real current situation!ġ upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

Keep also in mind that locking is deactivated, Please use the '-a' switch to see apt-get -simulate upgradeĪpt-get needs root privileges for real execution. Kubernetes-cni/kubernetes-xenial 0.7.5-00 amd64 (based on are outputs from different options (hope it helps someone): apt list -upgradable If you don’t use the update command, you won’t refresh the cache, which would not give you a clue about the available package updates.The next alternative is apt-get -simulate upgrade. The metadata includes information pertaining to the version, repository, dependency, and other relevant package details.

Your Linux system has an available cache of software (packages), which contains the necessary metadata related to those packages. On the other hand, the apt upgrade command downloads and installs available updates on your machine in one go.

The update command gives you an idea about the available updates, but it does not download or install the updates within your distro. apt upgrade: A ComparisonĮven though the apt update command might seem like the obvious go-to option to update your packages on Linux, it’s not entirely the case. But the point is, what's the difference between these commands, and how can you use them to update your Linux packages? apt update vs. When looking for ways to update packages, you will come across commands like apt update, apt upgrade, and related versions.

Aptget update