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O'Reilly Platform
book
可编程网络自动化
by
Jason Edelman
,
Scott S. Lowe
,
Matt Oswalt
January 2023
Intermediate to advanced
458 pages
14h 16m
Chinese
Posts & Telecom Press
Content preview from
可编程网络自动化
Linux
高级联网
|
415
用
yum repolist
来验证仓库是否已被添加。然而,
Fedora
在默认的
Fedora
仓库中附带了
OVS
包,无须再添加或启用额外的仓库。
获得可用的包后,要想在
RHEL/CentOS/Fedora
中安装
OVS
,只需执行
yum install
就可
以安装
openvswitch
包。
注意,到目前为止,
RHEL/CentOS/Fedora
并未提供可以从
OVS
树安装内核模块的包
。如
果需要内核模块,则只能手动编译并安装。考虑到手动编译和安装内核模块是一个相当艰
深的话题,本书不打算在此讨论。不过,网上有很多可用的指南手册。
安装好
OVS
,就可以进入下一节了:配置
OVS
。
A.5.2
配置
OVS
OVS
有多种配置方式:既可以使用
OVS
专用的命令行工具,也可以利用
Linux
网络配置
脚本的
OVS
集
成(
Debian/Linux
中的
/etc/network/interfaces
和
RHEL/CentOS/Fedora
中的
/etc/sysconfig/network-scripts
)
。本节重点关注
OVS
专用的命令行工具。原因在于为了使配
置持久化,
OVS
并未
遵循
Linux
配置文件编辑的一般约定。
没错,使用
OVS
专用的命令行工具对
OVS
做出的改动才是持久的
。
OVS
维护着自己的配
置数据库,
OVS
命令行工具用于操作数据库
。当系统重启时,
OVS
会从配置数据库中重
新读取其配置。因此,使用
OVS
命令行工具对
OVS
所做的每一处改动都是持久的
。这是
OVS
与第
3
章和本附录中所讨论的许多其他网络配置的关键区别。 ...
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Publisher Resources
ISBN: 9787115606181