What to do when /boot is full?

One thing to do is to remove old kernels:

Do the following to keep just the last 2 kernels on your system, to keep /boot clean:

    1. Edit /etc/yum.conf and set the following parameter
      installonly_limit=2
      

      This will make your package manager keep just the 2 last kernels on your system (including the one that is running)

    2. Install yum-utils:
      yum install yum-utils
      
    3. Make an oldkernel cleanup:
      package-cleanup --oldkernels --count=2
      

      This will erase in a good fashion the old kernels, and, keep just the last 2 of them for the next upgrades.

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    Category: CentOS
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