How to fix "extconf.rb:8:in `require': no such file to load -- mkmf (LoadError)"
If you're on Ubuntu:
sudo apt-get install ruby-dev
On other platforms: Look for a package containing ruby header files. On Red Hat that's "ruby-devel" likely.
Related cards:
Fix „rvm no such file to load -- openssl“ or "rvm no such file to load -- zlib"
For example if you use rvm and get this message:
ERROR: Loading command: install (LoadError)
no such file to load -- zlib
ERROR: While executing gem ... (NameError)
uninitialized constant Gem::Commands::InstallCommand
...
Fix error: rails console No such file to load -- irb/encoding_aliases.rb (LoadError)
I got this error after upgrading Ruby from 2.4.5 to 2.6.4 when I opened the Rails console - rails server still worked.
Running via Spring preloader in process 14679
Loading development environment (Rails 5.2.2.1)
Traceback (most recent call...
Fix error: rails console - no such file to load -- readline
Install libreadline:
sudo apt-get install libreadline-dev
Reinstall the ruby and tell rvm where to find readline
rvm reinstall 1.8.7 --with-readline-dir=/usr/include/readline
Make sure you get a huge cup of tea before running the com...
Fix capistrano errors: "no such file to load -- net/ssh/authentication/agent/socket" or "uninitialized constant Net::SSH::KnownHosts::SUPPORTED_TYPE"
There is a conflict between current capistrano versions and the 2.5.1 net-ssh gem. Make sure you upgrade to 2.5.2, then it should work again.
Bundler: Fatal error and 'no such file to load -- net/https'
Today, I ran into trouble on a fairly fresh installed VM, running Ubuntu. I tried to bundle install and got this stacktrace:
Fetching gem metadata from https://rubygems.org/.Unfortunately, a fatal error has occurred. Please see the Bund...
"no such file to load require_relative (MissingSourceFile)" after installing ruby-debug
If you encounter above mentioned failiure message after installing the ruby-debug gem then you have to explicitly require linecache version 0.43 in your Gemfile.
gem 'ruby-debug'
gem 'linecache', '=0.43'
How to fix: RubyMine / IntelliJ "find file" dialog losing focus on awesome wm
Many of our developers love to use the "awesome" window manager on Linux. However, RubyMine dialogs occasionally defocus while typing.
Here is a fix for that, tested on awesome 3.4, 3.5 and 4.0 (Ubuntu 14.04 and 16.04).
Problem
Consider the...
Ubtuntu: "FATAL: Could not load /lib/modules/...-generic/modules.dep: No such file or directory"
If you get this error (probably because you want to load some modules):
# modprobe xt_comment
FATAL: Could not load /lib/modules/3.2.0-40-generic/modules.dep: No such file or directory
The reason could be that apt-get autoremove al...
How to fix: RubyMine occasionally no longer accepts keyboard input
From time to time, RubyMine suddenly did not accept any keyboard input and felt crashed, while mouse interaction was still possible. This apparently happens to all IntelliJ IDEs, especially on Ubuntu 14.04.
I've managed to fix it by having a shel...
How to fix: Unable to read files from a VirtualBox shared host folder
When you want to copy/move from a shared folder (on Windows guests, for example) and it fails with absurd error messages (lots of text or an error about the target being read-only), you are probably running on Guest Additions that no longer match ...