Practical customized yum Warehouse-parameters commonly used in gem commands
Use of gem related commands
1. Show help and version of gem
Gem-h/--help
# display help from gem
Gem-v /-- version
# display the version number of gem
two。 List all available software for remote libraries
Gem query-remote
# short command: gem Q-r
You can see a detailed list of all the software on the remote host.
3. Find specific software on the remote host
Gem query-remote-name-matches doom
# short command: gem Q-rn doom
You will see a detailed list of matches to doom.
Gem list-remote-d
# list the remotely installed gems with the subcommand list
4.1 install a remote software
Gem install-remote progressbar
# short command: gem I-r progressbar-y
Remotely install progressbar to your host,-y means unconditional installation of dependency packages
Gem install rails-remote
# install rails packages from a remote server, where rails can be replaced with any of the packages shown in gem list-remote-d
4.2 install a specific version of the software
Gem ins-r progressbar-0.0.3
Install version 0.0.3 of progressbar
Gem ins-r progressbar-- version'> 0.0.1'
The latest version of progressbar greater than 0.0.1 will be installed
5. View an installed software
Gem specification progressbar
# short command: gem spec progressbar
You will see details about the installed package progressbar.
6. Uninstall a software
Gem uninstall progressbar
Progressbar is uninstalled
7.1 list all installed software
Gem query-local
# short command: 'gem Q-l'
7.2 View one of the installed software
Gem query-local-name-matches doom
# short command: 'gem Q-ln doom'
Or: gem list-- local
7.3 installation methods that need to be noticed
Gem ins rake
The local installation will be tried first, and if not available locally, it will be downloaded remotely.
Gem list-b ^ C
List local and remote software that starts with C
8. Browse all installed software and their documentation
Gem_server
A web server is generated and http://localhost:8808 is opened
You can see a html listing the information you need in detail.
9. Use Profil
Gem:-gen-rdoc-run-tests
If you want to always generate documentation and run unit tests after installing the software, you can write the relevant commands in the configuration file, the configuration file name is .gemrc, in the home directory.
10. Build the gem package
Gem build package.gemspec
# using the bulid subcommand to build gem packages
