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If you think you have ever felt true fear, you havent tried Gentoo yet
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this post was submitted on 27 Jan 2025
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Why would you run -Syyu? -Syu is what you want 99% or the time.
Noob here what is the difference?
also why would an extra but the same character
ymake a difference? Is that common in the arch linux ecosystem?The y argument tells pacman to update the package list. This is so your computer is downloading the new packages instead of old ones from last time you updated it. The second y tells it to delete the old package list and download it from scratch. This is useful if pacman isn't working correctly. Maybe the files got corrupted. But it wastes more resources for the repo so it is not recommended as a default.
Oh wow, I have always thought the
ystands for "yes to any questions" turns out it has a--noconfirmShould have read the man page......
Y is a mnemonic for Refresh, of course!
Not everyone uses their computer all the time.
Still no reason ... unless the repo is volatile, and potentially you have a corrupt version, a simple -Syu is always enough.
Over a year, many repos become relative volatile.
pacman-keyring or what that package is called gets stale really quick over longer periods of time. Large updates are quite smooth in Arch, but IIRC, -Syyu has helped me before.
The extra
yjust forces a database update. The mechanism to detect when not to update the database is a simple timestamp compare, and shouldn't break.archlinux-keyringmight need a "manual" update if an Arch Linux system is left without updates for a longer period of time. That's the only situation doingpacman -Sy, thenpacman -S archlinux-keyringis recommended, and it needs to be followed withpacman -Syuto avoid a partial upgrade.