Category Archive: Linux

Jan
21
2012

Memory hotplug in Linux

VMware has a nice feature where you can add memory and CPUs on the fly without rebooting the server. It works like a charm in Windows, but it did not work out of the box in Linux.

Jan
21
2012

Ubuntu boot issues

One issue I ran into while upgrading from Ubuntu 10.10 to 11.04 was the infamous “nuking initramfs contents: directory not empty”. At that time I did not do much about it as the previous kernel worked fine. However, today my router refused to boot any of the installed kernels. As the issue has been there …

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