Am 24.01.2013 17:40, schrieb Fernando Cassia: > On Thu, Jan 24, 2013 at 10:41 AM, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: >> have fun with automatic scripts which are assuming what you >> want to do in which way and why without knowing your >> environment and impacts > > if it´s a sequence of commands that you have to type, that sequence of > commands can be saved into a script. > > If a reboot is required in the middle of the process, the job can be > saved as update-phase1.sh update-phase2.sh or update-phase3.sh and so > on. > > If there are choices to be made, conditions can be evaluated with an > ´if´ and user input requested. > > Plus, if preconditions for the upgrade are not met, such conditions > can be evaluated and a user message displayed, having the update > aborted. > > But surely, someone would have to maintain that script, which is why > nobody does it... but the knowledge and steps for such script are > right here, on this mailing list... and here is the problem if this script is not perfect at all it can make huge damage while if you do this commands manually and get a unexpected output you can and will take a look before fire blindly the next one the yum upgrade is primary for users who care and know what they are doing and try to make this with scripts leads people to use it which are lacking the knowhow to deal with unexpected results they are finally lost if something goes wrong and keep in mind not everybody has more than one computer which means "search a solution with google or post to the mailing-list" gets very hard and switch from the half broken system to a reboot with a live-cd may be the last action you do which beats the big benefit of a yum upgrade -> verify and check all for you important pieces before reboot
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