new kernels & rebooting

[Alchemist]

2014-07-21 13:41 GMT+03:00 Paul Cartwright <pbcartwright at gmail.com>:

> Is it me, or does every other update lately seem to include a new
> kernel.. I thought linux was meant to stay up & running. I seem to be
> rebooting weekly now, just for a new kernel.  Now on:
> uname -a
> Linux pauls-server 3.15.6-200.fc20.x86_64 #1 SMP Fri Jul 18 02:36:27 UTC
> 2014 x86_64 x86_64 x86_64 GNU/Linux
>
> is there some command I don't know about that will let you swap to the
> latest kernel without rebooting???
> the 3 latest kernels:
> -rwxr-xr-x. 1 root root  5538536 Jul  7 10:32
> vmlinuz-3.15.4-200.fc20.x86_64
> -rwxr-xr-x. 1 root root  5538920 Jul 14 11:49
> vmlinuz-3.15.5-200.fc20.x86_64
> -rwxr-xr-x. 1 root root  5539144 Jul 17 22:49
> vmlinuz-3.15.6-200.fc20.x86_64
>
> in less than 10 days..
>
>
> --
> Paul Cartwright
> Registered Linux User #367800 and new counter #561587
>
>

You can do fast-reboot by using kexec
https://fedoraproject.org/wiki/Kernel/kexec


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