From the course: Red Hat Certified System Administrator (EX200) Cert Prep: 1 Deploy, Configure, and Manage (2021)
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Update the kernel
From the course: Red Hat Certified System Administrator (EX200) Cert Prep: 1 Deploy, Configure, and Manage (2021)
Update the kernel
- [Instructor] Installing kernels can be as easy as running a system update and rebooting. However, it may be beneficial to know more about the process and how to install specific kernels as well as choose older kernels if things don't go well. Let's look at updating the kernel. First let's list our currently installed kernel packages type in dnf space lists space kernel and hit enter. The items that are bold belong to our current kernel and include the kernel itself along with modules and tools. On my system, the version is 4.18.0 and my release is 193.el8. Your version and releases may be different than this. This means the major version is four, the major revision is 18, the kernel patch is zero and the red hat release is 193. It's built for enterprise Linux eight and it's compiled for 64 bit CPU's. The installed kernels reside in slash boot. Let's list the contents of this directory, type in clear, and then type in ls…
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Contents
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Install from a software repository3m 9s
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Linux repository management systems2m 43s
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Query with RPM7m 14s
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RPM query formatting6m 14s
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DNF overview3m 2s
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Select DNF packages by name4m 9s
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Get info on packages with DNF4m 9s
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Get info on package groups3m 13s
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Search for packages1m 34s
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Install and remove packages4m 7s
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Install and remove package groups2m 33s
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Manage OS updates5m 50s
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Update the kernel5m 30s
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Manage kernel modules4m 50s
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