needrestart:tldr:7c7a6

needrestart: Check if the CPU microcode is outdated.

needrestart

$ needrestart -w

try on your machine

The command "needrestart -w" is used to check for and restart services that have been upgraded or updated on a running system. Here is a breakdown of each part:

"needrestart": This is the name of the command itself. It is typically available on Debian-based Linux distributions like Ubuntu and is used primarily for system administrators to ensure that all processes are using the latest versions of libraries and binaries after an upgrade.
"-w": This option is used to display the services that need to be restarted, rather than automatically restarting them. It stands for "show what needs restarting." By using this option, the command will only provide information about which services should be restarted but won't actually restart them.

To summarize, executing "needrestart -w" will analyze the system for upgraded services and display a list of services that need to be restarted due to the update, without actually performing the restart.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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