Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.
Install RubyOnRails in Ubuntu
Answer:
In the last article, we talked how to install Ruby in Ubuntu. Now, we are going to install a very popular web framework for Ruby - RubyOnRails.
Firstly, you need to install RubyGems, a gem is a packaged Ruby application or library.
# sudo apt-get install rubygems
Then, we use the gem command to install rails.
# sudo gem install rails
That's all.
Install Ruby in Ubuntu
Answer:
To install Ruby under Ubuntu, you need to type the commands below:
# sudo apt-get install ruby-full build-essential
The above command will install more than the Ruby interpreter, but they are useful when you want to play with RubyOnRails later.
Remove downloaded archive files from apt-get
Answer:
To remove ownloaded archive files from apt-get to save spaces, try the following command:
# sudo apt-get clean
So all the unneeded archive files will be removed.
Compress and decompress file using 7zip
Answer:
7zip is a well known compression program if you need a very small file size, i.e. high compression ratio.
To install under Ubuntu/Debian:
# sudo apt-get install p7zip
To compress a file
# p7zip test.txt
To decompress a file
# p7zip -d test.txt.7z
How to completely uninstall a package in Ubuntu/Debian?
Answer:
To completely uninstall a package in Ubuntu/Debian, you can use the command below:
# sudo apt-get --purge remove PACKAGE
That's it.
