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網上有不少升級CentOS核心的文章,如《CentOS 6.5 升級核心到 3.10.28》,大部分都是下載源碼編譯,有點麻煩。
在yum的ELRepo源中,有mainline(3.13.1)、long-term(3.10.28)這2個核心版本,考慮到long-term更穩定,會長期更新,所以選擇這個版本。
1、匯入public key
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rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org |
2、安裝ELRepo到CentOS-6.5中
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rpm -ivh http://www.elrepo.org/elrepo-release-6-5.el6.elrepo.noarch.rpm |
3、安裝kernel-lt(lt=long-term)
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yum --enablerepo=elrepo-kernel install kernel-lt -y |
或者安裝kernel-ml(ml=mainline)
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yum --enablerepo=elrepo-kernel install kernel-ml -y |
4、編輯grub.conf檔案,修改Grub引導順序
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# grub.conf generated by anaconda## Note that you do not have to rerun grub after making changes to this file# NOTICE: You do not have a /boot partition. This means that# all kernel and initrd paths are relative to /, eg.# root (hd0,0)# kernel /boot/vmlinuz-version ro root=/dev/sda1# initrd /boot/initrd-[generic-]version.img#boot=/dev/sdadefault=0timeout=5splashimage=(hd0,0)/boot/grub/splash.xpm.gzhiddenmenutitle CentOS (3.10.28-1.el6.elrepo.x86_64) root (hd0,0) kernel /boot/vmlinuz-3.10.28-1.el6.elrepo.x86_64 ro root=UUID=0a05411f-16f2-4d69-beb0-2db4cefd3613 rd_NO_LUKS KEYBOARDTYPE=pc KEYTABLE=us rd_NO_MD crashkernel=auto LANG=en_US.UTF-8 rd_NO_LVM rd_NO_DM rhgb quiet initrd /boot/initramfs-3.10.28-1.el6.elrepo.x86_64.imgtitle CentOS (2.6.32-431.3.1.el6.x86_64) root (hd0,0) kernel /boot/vmlinuz-2.6.32-431.3.1.el6.x86_64 ro root=UUID=0a05411f-16f2-4d69-beb0-2db4cefd3613 rd_NO_LUKS KEYBOARDTYPE=pc KEYTABLE=us rd_NO_MD crashkernel=auto LANG=en_US.UTF-8 rd_NO_LVM rd_NO_DM rhgb quiet initrd /boot/initramfs-2.6.32-431.3.1.el6.x86_64.imgtitle CentOS (2.6.32-431.el6.x86_64) root (hd0,0) kernel /boot/vmlinuz-2.6.32-431.el6.x86_64 ro root=UUID=0a05411f-16f2-4d69-beb0-2db4cefd3613 rd_NO_LUKS KEYBOARDTYPE=pc KEYTABLE=us rd_NO_MD crashkernel=auto LANG=zh_CN.UTF-8 rd_NO_LVM rd_NO_DM rhgb quiet initrd /boot/initramfs-2.6.32-431.el6.x86_64.img |
確認剛安裝好的核心在哪個位置,然後設定default值(從0開始),一般新安裝的核心在第一個位置,所以設定default=0。
5、重啟,查看核心版本號碼
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[root@dev ~]# uname -r3.10.28-1.el6.elrepo.x86_64 |
轉載自 http://ljf.me/archives/use-yum-to-quickly-upgrade-centos-6-5-kernel-3-10-28
使用yum快速升級CentOS 6.5核心到 3.10.28