1 檢查系統內核版本 [root@CentOS ~]# uname -a
Linux centos 2.6.18-194.el5 #1 SMP Fri Apr 2 14:58:35 EDT 2010 i686 i686 i386 GNU/Linux
2 安裝軟件環境 yum install gcc
yum install kernel-devel
yum install kernel-headers
注：這步執行後的版kernel-devel和kernel-headers 的版本為
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Package Arch Version Repository Size
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Installing:
kernel-devel x86_64 2.6.18-308.16.1.el5 updates 5.7 M
Transaction Summary
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Install 1 Package(s)
Upgrade 0 Package(s)
3 升級系統內核 注：如果不升級內核的話，那麼”kernel-devel和kernel-headers”與kenerl內核的版本不一致在第一步uname -a我們看到內核版本為2.6.18-194.el5
[root@centos ~]# yum install kernel
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.163.com
* extras: mirrors.163.com
* updates: mirrors.163.com
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package kernel.x86_64 0:2.6.18-308.16.1.el5 set to be installed
--> Finished Dependency Resolution
Dependencies Resolved
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Package Arch Version Repository Size
======================================================================================================
Installing:
kernel x86_64 2.6.18-308.16.1.el5 updates 21 M
Transaction Summary
======================================================================================================
Install 1 Package(s)
Upgrade 0 Package(s)
Total download size: 21 M
Is this ok [y/N]: y
Downloading Packages:
kernel-2.6.18-308.16.1.el5.x86_64.rpm | 21 MB 00:20
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : kernel 1/1
Installed:
kernel.x86_64 0:2.6.18-308.16.1.el5
Complete!
升級完了內核，現在在來看下內核的版本變更過來了沒有
[root@centos ~]# uname -a
Linux centos 2.6.18-194.el5 #1 SMP Fri Apr 2 14:58:14 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
還是沒有變過來，這裡要注意了。升級內核後一定要重啟
