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Date: 2008sep27 OS: Linux Q. I know I need to reboot my box when the kernel is updated for it to come into effect but I have automatic update running so... I can I tell if I need to reboot my machine? A. Compare the currently running kernel version with those installed. To see what's currently running do:uname -rAnd you might get:18.104.22.168-76.fc9.i686To see what's installed (on RedHat/Fedora/CentOS) do:rpm -q kernelAnd you might get:kernel-22.214.171.124-55.fc9.i686 kernel-126.96.36.199-76.fc9.i686If the version you are running is the biggest one installed then you don't need to reboot.
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