From db39479bb83baa47777ffb74c6a7798c4c43e1d6 Mon Sep 17 00:00:00 2001 From: Max Xu Date: Fri, 13 Oct 2017 15:42:02 +0800 Subject: [PATCH] update-alternatives: add page --- pages/linux/update-alternatives.md | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 pages/linux/update-alternatives.md diff --git a/pages/linux/update-alternatives.md b/pages/linux/update-alternatives.md new file mode 100644 index 0000000000..8ea573a3a4 --- /dev/null +++ b/pages/linux/update-alternatives.md @@ -0,0 +1,19 @@ +# update-alternatives + +> A convenient tool for maintaining symbolic links determining default commands. + +- Add a symbolic link: + +`sudo update-alternatives --install /usr/bin/java java /opt/java/jdk1.8.0_102/bin/java 300` + +- Config a symbolic link: + +`sudo update-alternatives --config java` + +- Remove a symbolic link: + +`sudo update-alternatives --remove java /usr/bin/java` + +- Display information about the link group: + +`update-alternatives --display java`