alternatives 使用 修改软链接 权值
1. alternatives
Linux代码
alternatives version 1.3.13.5.EL4 - Copyright (C) 2001 Red Hat, Inc.
This may be freely redistributed under the terms of the GNU Public License.
usage: alternatives --install <link> <name> <path> <priority>
[--initscript <service>]
[--slave <link> <name> <path>]*
alternatives --remove <name> <path>
alternatives --auto <name>
alternatives --config <name>
alternatives --display <name>
alternatives --set <name> <path>
common options: --verbose --test --help --usage --version
--altdir <directory> --admindir <directory>
2. update-alternatives
Linux代码
alternatives version 1.3.13.5.EL4 - Copyright (C) 2001 Red Hat, Inc.
This may be freely redistributed under the terms of the GNU Public License.
usage: alternatives --install <link> <name> <path> <priority>
[--initscript <service>]
[--slave <link> <name> <path>]*
alternatives --remove <name> <path>
alternatives --auto <name>
alternatives --config <name>
alternatives --display <name>
alternatives --set <name> <path>
common options: --verbose --test --help --usage --version
--altdir <directory> --admindir <directory>
3、实例
举个使用例子吧，改变系统bin默认java的指向：
Linux代码
安装
#alternatives --install /usr/bin/java java /home/server/jdk1.6.0_21/bin/java 300
查询
#alternatives --display java
删除
#alternatives --remove java /home/server/jdk1.6.0_21/bin/java
1. alternatives
Linux代码
alternatives version 1.3.13.5.EL4 - Copyright (C) 2001 Red Hat, Inc.
This may be freely redistributed under the terms of the GNU Public License.
usage: alternatives --install <link> <name> <path> <priority>
[--initscript <service>]
[--slave <link> <name> <path>]*
alternatives --remove <name> <path>
alternatives --auto <name>
alternatives --config <name>
alternatives --display <name>
alternatives --set <name> <path>
common options: --verbose --test --help --usage --version
--altdir <directory> --admindir <directory>
2. update-alternatives
Linux代码
alternatives version 1.3.13.5.EL4 - Copyright (C) 2001 Red Hat, Inc.
This may be freely redistributed under the terms of the GNU Public License.
usage: alternatives --install <link> <name> <path> <priority>
[--initscript <service>]
[--slave <link> <name> <path>]*
alternatives --remove <name> <path>
alternatives --auto <name>
alternatives --config <name>
alternatives --display <name>
alternatives --set <name> <path>
common options: --verbose --test --help --usage --version
--altdir <directory> --admindir <directory>
3、实例
举个使用例子吧，改变系统bin默认java的指向：
Linux代码
安装
#alternatives --install /usr/bin/java java /home/server/jdk1.6.0_21/bin/java 300
查询
#alternatives --display java
删除
#alternatives --remove java /home/server/jdk1.6.0_21/bin/java
