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Old 12-13-2018, 10:05 AM   #1
hemlocktree
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is reboot needed....


i recently noticed - thread about themes meny issues - that after updating and upgrading the changes did not go into effect until after i rebooted the daily computer. the other 2 are not always on - the office more than my wife's laptop; but i have a daily that runs most of the time without reboot. so for updates and esp security stuff - should i reboot all laptops after all updates and upgrades? by leaving one running /on all the time even in suspend mode are the updates etc being implemented? or do they occur only after the reboot?

thanks
 
Old 12-13-2018, 12:30 PM   #2
ehartman
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Quote:
Originally Posted by hemlocktree View Post
should i reboot all laptops after all updates and upgrades
Only some updates will need a reboot, especially if critical components and/or shared libraries have been updated. Mostly the system will pick up the newer files without that.

Details will vary heavily, depending on your distribution and what's been upgraded lately.
A good ChangeLog will often give a hint (like "shared library bump"), which means that a library other applications depend on now has a new major version out.
 
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Old 12-13-2018, 12:34 PM   #3
hemlocktree
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thanks - but still a bit sketchy to me. most appreciative.
 
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Old 12-14-2018, 07:39 AM   #4
hemlocktree
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any more thoughts? stefan? Ylee?
 
Old 12-14-2018, 07:44 AM   #5
hazel
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The way Linux organises file, an updated library can exist indefinitely alongside the original. Any program launched after the update will use the new library; it won't have access to the old one. On the other hand, programs that were already running will still use the old library. This means that you don't have to reboot to make the new library available, but it also means that very fundamental programs which are launched at boot and have to be running all the time can't take advantage of the update until you reboot.
 
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Old 12-14-2018, 07:55 AM   #6
hemlocktree
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ok thanks - however it does seem to be that reboots are in order then. just to cover my A$$, so to speak. since i do not know what is covered and not due to be ignorant about the fine points of linux. thanks
 
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