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This article mainly explains the "CentOS7 upgrade kernel process". The explanation content in this article is simple and clear, easy to learn and understand. Please follow the ideas of Xiaobian to study and learn the "CentOS7 upgrade kernel process" together.

1. update source

yum updaterpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-4.el7.elrepo.noarch.rpm

2. Confirm current version information

uname -r

3. Delete related components

yum remove kernel-headers kernel-tools kernel-tools-libs

4. Install related components

yum -y --disablerepo="*" --enablerepo="elrepo-kernel" install kernel-ml kernel-ml-devel kernel-ml-headers kernel-ml-tools kernel-ml-tools-libs kernel-ml-tools-libs-devel sed -i '/GRUB_DEFAULT/s/=.*/= 0/' /etc/default/grubgrub2-mkconfig -o /boot/grub2/grub.cfgreboot

Confirm whether the upgrade is successful

uname -r

Install gcc and bcc-tools

yum install -y elfutils-libelf-devel flexyum install -y gcc-c++yum install -y bcc-tools

Confirm successful installation

[root@localhost ~]# cachestat 1 TOTAL MISSES HITS DIRTIES BUFFERS_MB CACHED_MB 0 0 0 0 2 416 0 0 0 0 2 416 0 0 0 0 2 416... Thank you for reading, the above is the content of "CentOS7 upgrade kernel process", after the study of this article, I believe that everyone has a deeper understanding of CentOS7 upgrade kernel process, the specific use of the situation still needs to be verified by practice. Here is, Xiaobian will push more articles related to knowledge points for everyone, welcome to pay attention!

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