Fix "libmysqlclient.so.20: cannot open shared object file: No such file or directory"
This error can be caused by the mysql2 gem under mysterious circumstances. You need to remove it with gem uninstall mysql2 and then reinstall it (or just run bundle).
gem pristine mysql2 will not be enough.
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
...
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...
"cannot load such file -- nokogiri/nokogiri" (or any other Gem with native extensions on rvm and Ruby >= 2)
After running bundler / gem install I could not load nokogiri lately. It died with cannot load such file -- nokogiri/nokogiri.
This is not a problem of the gem but is due to a broken native extensions installation routine.
When installing nokog...
How to not leave trailing whitespace (using your editor or Git)
There is no reason to leave trailing whitespace characters in your project's files, so don't add any.
A git diff --check will tell you if there are any and you should not commit when you see them. So go ahead and switch your editor/IDE to autom...
Error: "sylogd: /var/log/authlog : no such file or directory" but the file exists
If you get a message like this:
Jan 21 13:42:38 foobar syslogd: /var/log/authlog : no such file or directory
But you are sure the file exists and it have the correct permissions:
# example for Solaris 9
-rw-r--r-- 1 root sys 8,0...
Legacy CarrierWave: How to generate versions with different file extensions
We use CarrierWave in many of our projects to store and serve files of various formats - mostly images. A common use case of CarrierWave's DSL is to "proce...
problem updating perl package(s) on freebsd `pkg-static: lstat(..../.packlist): No such file or directory
If you have trouble updating something on FreeBSD you should always take a look in the UPDATING file.
For this error there is this solution which worked perfectly for me:
20141127:...
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.
The Ruby Object Model
In Ruby (almost) everything is an Object. While this enables a lot of powerful features, this concept might be confusing for developers who have been programming in more static languages, such as Java or C#. This card should help understanding t...
How to fix: "git diff" does not show umlauts (or other non-ASCII characters) properly
When using git diff, you might encounter weird characters where umlauts (or any other UTF-8) characters should be. It looks like this:
R<C3><BC>ckg<C3><A4>ngig # should be "Rückgängig"
However, not Git is to blame [but the less comma...