Install a new kernel

Ukuu free version can still be used for installing and removing kernels, though. You can download the deb files for the old Ukuu version Once you have installed Ukuu, start it. It will refresh the list of available Linux kernels available for Ubuntu. By default, it will show you all the available kernels, including the unstable release kernel tagged with RC and with red Tux icon.

Kernel versions from the distributions are labeled with the logo and the other versions have just the good old Tux logo. As you can see I have kernel 5. Again, you should avoid the release candidates. Select the desired Kernel version and click on install to install the newer Linux kernel version.

Of course, it will require admin password for this action. Once you have entered your password, you can see the installation progress in the application itself. Focus on the end result to know if it new Linux kernel was installed successfully or not. Note: If the installation fails, no need to panic. Nothing will be wrong the system. Just try a different Kernel version and it might work.

Once you boot into the system with the older Linux kernel, start Ukuu again. Make sure that you are not deleting the kernel that you are running at present. While we are discussing it, I would like to point out a few more features of Ukuu. Ukuu has settings option that allows you to not display release candidates of kernels in the list. You can also hide Linux kernel versions older than version 4.

You can also choose the option to display desktop notifications in case new Linux Kernel are available. So, do you often upgrade Linux kernel on your own or do you wait for your distribution to provide the upgrade? How do you do it? Also a movie buff with a soft corner for film noir. Probably the kernel was installed properly. Try booting into the older kernel and try reinstalling the newer kernel. Please log in again. This documentation covers IPython versions 6.

Beginning with version 6. If you are looking for an IPython version compatible with Python 2. The Jupyter Notebook and other frontends automatically ensure that the IPython kernel is available. IPython 6. The last command installs a kernel spec file for the current python installation. Kernel spec files are JSON files, which can be viewed and changed with a normal text editor. If you are unsure about making changes, just save and exit. This helps you configure everything from scratch.

Do not use this. I did try this out once and somehow managed to mess up the display driver configurations.

Finally, we use make install to copy the kernel and the. These three steps put together usually take up a lot of time. Use the following command to perform the above tasks:. Note: I have used the -j option to specify the number of cores to be used.

This tends to speed up the process considerably. You can use nproc to check the number of processing units available. In my case, it was 4 cores. Once the kernel and its modules are compiled and installed, we want to be using the new kernel the next time we boot up.

Now, restart the system and you should see that the new kernel is added to the boot loader entries. Note that you could always use the old kernel version in case of any problem and try the whole thing again! The command uname -r should now show you the current kernel version being used. The above steps are needed to build the kernel from source, for the first time.