How to uninstall software under Linux

Uninstalling Linux platform software is very troublesome, and the prompts are unclear (saying simple people have never seen it before), and often troublesome for path problems, because some source code is compiled and installed, so Paths generally do not use the default path, so software with dependencies can easily go wrong, and no dependent execution or configuration files can be found. Some of them are installed by default, the path is generally scattered, and with more platforms, it is more troublesome to uninstall. Tianyuan himself summed up the common unloading methods. If there is no comprehensiveness, there is no way. It is impossible to manually delete it directly.

Note: The following commands are all performed in the terminal SHELL. X-WINDOW also has a corresponding file management tool, but after all, it is used less. Before installing and uninstalling the software, it is best to look at the README. Generally, there are instructions. The domestic software will not be mentioned. Sometimes the author does not know how to uninstall the software.

One, green software

This kind of software is mostly distributed in the form of compressed package (*.tar.gz,...), similar to the source package below, but does not need to be compiled. , directly extract to a directory to run. This kind of software can be deleted directly to the corresponding directory. Does not involve the modification of the relevant system variables, at most plus the relevant startup options to modify or start the link.

rm -rf softname_version

Second, software installed using RPM package

1, determine software version

rpm -qa| Grep softname*

softname is the software name, and the * wildcard is used for the indeterminate part. Then there will be a list of related packages.

2. Uninstall the package

rpm -e softname_version

softname_version is the full package name.

When uninstalling the RPM installation package, you will often encounter the following error: