ubuntu系统通识
软件安装和卸载
卸载
完整卸载
sudo apt-get --purge remove xxx
软件多版本管理
以下为java版本切换
gerrit2@wsk:~/gerrit$ sudo update-alternatives --config java
[sudo] password for gerrit2:
There are 2 choices for the alternative java (providing /usr/bin/java).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 auto mode
1 /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 manual mode
2 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1081 manual mode
Press <enter> to keep the current choice[*], or type selection number: 2
update-alternatives: using /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java to provide /usr/bin/java (java) in manual mode
本文来自博客园,作者:whilewell,转载请注明原文链接:https://www.cnblogs.com/viiv/p/15596322.html