How to run Ruby code from terminal?
If Ruby is installed, then where yourfile.rb is the file containing the ruby code. Or to start the interactive Ruby environment, where you can type lines of code and see the results immediately.
terminal
How to stop (and restart) the Rails Server?
Press Ctrl+C When you start the server it mentions this in the startup text.
Install oAuth PECL error: Cannot install, php_dir for channel “pecl.php.net” is not writeable by the current user
I’m trying to instal oAuth on OS X, but I am getting this error in the Terminal: Cannot install, php_dir for channel “pecl.php.net” is not writeable by the current user How do I allow it to be writable?
gdb debugging in Terminal OS X (10.8.5) with zsh
It appears that Apple (who have been switching from gcc to clang for some time) stopped including gdb in 10.8. Even in the CommandLine tools. The clang debugger is lldb. It is similar in use to gdb, and I’m not finding it unduly difficult to switch. Aside from explaining to my finger that they shouldn’t … Read more
Finding text inside a folder using terminal
I am trying to find a line of code in a folder and using the terminal. I use this command, which I think should work: where the folder I am inspecting is called “myWordpress”. But I get this: I don’t use much the terminal, so I am unsure as to how to do what I … Read more
Gedit command not working in kali linux terminal
Although I am not sure, what the actual error here is, but purging the package will help. You can try this After this try reinstalling with Moreover, you should Prefer AskUbuntu and SuperUser for such questions, you can expect a detailed and possibly faster response.
Run script on mac prompt “Permission denied”
Please read the whole answer before attempting to run with sudo Try running sudo /dvtcolorconvert.rb ~/Themes/ObsidianCode.xccolortheme The sudo command executes the commands which follow it with ‘superuser’ or ‘root’ privileges. This should allow you to execute almost anything from the command line. That said, DON’T DO THIS! If you are running a script on your … Read more
How do I add a newline using printf?
To write a newline use \n not /n the latter is just a slash and a n
Display current path in terminal only
If you just want to get the information of current directory, you can type: and you don’t need to use the Nautilus, or you can use a teamviewer software to remote connect to the computer, you can get everything you want.
Mac install and open mysql using terminal
(Updated for 2017) When you installed MySQL it generated a password for the root user. You can connect using and type in the generated password. Previously, the root user in MySQL used to not have a password and could only connect from localhost. So you would connect using