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keepalived之 ipvsadm-1.26-4(lvs)+ keepalived-1.2.24 安装

原创 MySQL 作者:张冲andy 时间:2017-06-16 16:42:29 0 删除 编辑


一、安装 LVS

前提:已经提前配置好本地 Yum 源 配置过程可参考> http://blog.csdn.net/zhang123456456/article/details/56690945
1、 检查一下系统内核
安装之前,首先检查一下系统内核是否支持LVS的IPVS模块;自Linux 2.6开始,系统内核完全内置了LVS的各个模块。
[root@mysql03 ~]# modprobe -l|grep ipvs
kernel/net/netfilter/ipvs/ip_vs.ko
kernel/net/netfilter/ipvs/ip_vs_rr.ko
kernel/net/netfilter/ipvs/ip_vs_wrr.ko
kernel/net/netfilter/ipvs/ip_vs_lc.ko
....
kernel/net/netfilter/ipvs/ip_vs_pe_sip.ko
看到如上输出信息,则表明系统内核默认支持IPVS模块。

2、安装依赖包
由于是源码包安装,所以编译时需要打上如下依赖包。
# yum -y install kernel-headers glibc-headers glibc-devel libgomp gcc libstdc++-devel gcc-c++

3、 yum安装 ipvsadm-1.26-4 
[root@mysql03 ~]# yum -y install kernel-devel ipvsadm
===================================================================================
Package Arch Version Repository Size
===================================================================================
Installing:
ipvsadm x86_64 1.26-4.el6 c6-media 42 k

Transaction Summary
===================================================================================
Install 1 Package(s)

Total download size: 42 k
Installed size: 78 k
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : ipvsadm-1.26-4.el6.x86_64 1/1 
Verifying : ipvsadm-1.26-4.el6.x86_64 1/1

Installed:
ipvsadm.x86_64 0:1.26-4.el6

Complete!
4、 做个 ln
[root@mysql03 ~]# ln -sv /usr/src/kernels/2.6.32-573.el6.x86_64/ /usr/src/linux <--请自行修改 kernels 版本号

5、 查看 ipvsadm 版本信息
[root@mysql03 ~]# ipvsadm -version
ipvsadm v1.26 2008/5/15 (compiled with popt and IPVS v1.2.1) #> 能看到帮助信息,则说明IPVS安装成功。

二、 安装 keepalived-1.2.24

1、官网下载地址:
[root@mysql03 ~]# wget http://www.keepalived.org/software/keepalived-1.2.24.tar.gz
2、解压安装包:
[root@mysql03 ~]# ll keepalived-1.2.24.tar.gz 
-rw-r--r--. 1 root root 601873 Jun 16 23:49 keepalived-1.2.24.tar.gz
[root@mysql03 ~]# tar -zxvf keepalived-1.2.24.tar.gz
3、进入安装目录:
[root@mysql03 ~]# cd keepalived-1.2.24

4、安装keepalived:
[root@mysql03 keepalived-1.2.24]# ./configure --prefix=/usr/local/keepalived --with-kernel-dir=/usr/src/kernels/2.6.32-573.el6.x86_64/

说明:--with-kernel-dri :指定使用内核源码中的头文件,即include目录,该参数很重要,只有使用LVS时才用此参数。
主要输出:
Keepalived configuration
------------------------
Keepalived version : 1.2.24
Compiler : gcc
Preprocessor flags : 
Compiler flags : -Wall -Wunused -Wstrict-prototypes
Linker flags : 
Extra Lib : -ldl -lssl -lcrypto 
Use IPVS Framework : Yes
IPVS use libnl : No
IPVS syncd attributes : No
IPVS 64 bit stats : No
fwmark socket support : Yes
Use VRRP Framework : Yes
Use VRRP VMAC : Yes
Use VRRP authentication : Yes
With ip rules/routes : Yes
SNMP keepalived support : No
SNMP checker support : No
SNMP RFCv2 support : No
SNMP RFCv3 support : No
SHA1 support : No
Use Debug flags : No
Stacktrace support : No
Memory alloc check : No
libnl version : None
Use IPv4 devconf : No
Use libiptc : No
Use libipset : No
Build genhash : Yes
Build documentation : No
[root@mysql03 keepalived-1.2.24]# make && make install

5、复制脚本和文件:

5.1 拷贝执行文件
[root@mysql03 keepalived-1.2.24]# cp /usr/local/keepalived/sbin/keepalived /usr/sbin/
5.2 将init.d文件拷贝到etc下,加入开机启动项
[root@node6 keepalived-1.2.16]# cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
5.3 将keepalived文件拷贝到etc下,加入网卡配置
[root@node6 keepalived-1.2.16]# cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
5.4 创建keepalived文件夹
[root@node6 keepalived-1.2.16]# mkdir /etc/keepalived
5.5 将keepalived配置文件拷贝到etc下
[root@node6 keepalived-1.2.16]# cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/
5.6 复制启动脚本
[root@node6 keepalived-1.2.16]# cp /usr/local/keepalived/sbin/keepalived /etc/keepalived/

6、加入开机启动项
[root@mysql03 keepalived-1.2.24]# chkconfig --add keepalived #添加时必须保证/etc/init.d/keepalived存在
7、 启动
[root@mysql03 keepalived-1.2.24]# chmod 755 /etc/init.d/keepalived
[root@mysql03 keepalived-1.2.24]# service keepalived start
Starting keepalived: [ OK ]
8、 关闭
[root@mysql03 keepalived-1.2.24]# service keepalived stop
Stopping keepalived: [ OK ] > OK,成功!



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