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Boot Ubuntu with custom kernel on Digital Ocean
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| apt-get install kexec-tools | |
| # Insert this at the top of /etc/init.d/rcS | |
| if grep -qv ' kexeced$' /proc/cmdline ;then | |
| kexec --load /vmlinuz --initrd=/initrd.img --append='root=LABEL=DOROOT kexeced' && | |
| mount -o ro,remount / && | |
| kexec -e | |
| fi | |
| # Then just use apt/dpkg to install whatever kernel you want, e.g. from http://kernel.ubuntu.com/~kernel-ppa/mainline/ |
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I think is important to update this to reflect that the bootloader for many images(debian and ubuntu included) in digitalocean changed to boot the kernel configured in debian and not in the control panel.