解決CenOS7 不能直接升級內核的解決方法,linux
[root@xx ]# yum --enablerepo=elrepo-kernel install kernel-lt -y
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* elrepo: lon.mirror.rackspace.com
* elrepo-kernel: lon.mirror.rackspace.com
No package kernel-lt available.
Error: Nothing to do
spa
內核下載地址:https://elrepo.org/linux/kernel/el7/x86_64/RPMS/.net
kernel-lt(lt=long-term)長期有效code
kernel-ml(ml=mainline)主流版本get
wget https://elrepo.org/linux/kernel/el7/x86_64/RPMS/kernel-ml-5.2.4-1.el7.elrepo.x86_64.rpm
rpm -ivh kernel-ml-5.2.4-1.el7.elrepo.x86_64.rpm
# grub2-editenv list saved_entry=CentOS Linux (3.10.0-327.28.3.el7.x86_64) 7 (Core)
# awk -F \' '$1=="menuentry " {print i++ " : " $2}' /etc/grub2.cfg 0 : CentOS Linux (5.2.4-1.el7.elrepo.x86_64) 7 (Core) 1 : CentOS Linux (3.10.0-327.28.3.el7.x86_64) 7 (Core) 2 : CentOS Linux (3.10.0-327.22.2.el7.x86_64) 7 (Core) 3 : CentOS Linux (3.10.0-327.13.1.el7.x86_64) 7 (Core) 4 : CentOS Linux, with Linux 0-rescue-cd8c4444947b4b0b818457f51ded6591
grub2-set-default 'CentOS Linux (5.2.4-1.el7.elrepo.x86_64) 7 (Core)'
# grub2-editenv list saved_entry=CentOS Linux (5.2.4-1.el7.elrepo.x86_64) 7 (Core)
reboot
wget http://ftp.osuosl.org/pub/elrepo/kernel/el7/x86_64/RPMS/kernel-ml-headers-5.2.4-1.el7.elrepo.x86_64.rpm rpm -ivh kernel-ml-headers-5.2.4-1.el7.elrepo.x86_64.rpm
http://ftp.osuosl.org/pub/elrepo/kernel/el7/x86_64/RPMS/kernel-ml-devel-5.2.4-1.el7.elrepo.x86_64.rpm rpm -ivh kernel-ml-devel-5.2.4-1.el7.elrepo.x86_64.rpm