To install gems Bundler needs to be able to talk to https://api.rubygems.org. If you are behind a proxy you...
During debugging you might pepper your code with lines like these: console.log('foo = ' + foo + ', bar = ' + bar) I recommend to use...
Geordi is now (partially) tested with Cucumber. Yay! geordi cucumber supports a new @solo tag. Scenarios tagged with @solo...
Note The maintenance mode is enabled on all application server as soon as the file /public/system/maintenance.html is present. Installation
You login to a Linux server with a performance issue: what do you check in the first minute? uptime
Remove some old binaries (commands still exist in geordi) and mark others as deprecated Rewrite deploy command to support...
The nokogiri gem provides different packages for several platforms. Each platform-specific variant ships pre-built binaries of libxml2, e.g...
E-mails are usually encoded using Quoted Printable. Here is how to decode or encode such strings. You probably know...
You can use proxy_hide_header in different contextes: Syntax: proxy_hide_header field; Default: — Context: http, server, location
As described by the linked Stackoverflow answer, run these commands: sudo add-apt-repository ppa:git-core/ppa -y
Activate VI mode by running set -o vi Now use your Bash as if it were VI! Hit Esc to...
I had a very frequent cronjob that in rare cases could be relatively slow. To avoid multiple instances of this...
Command line text editor with syntax highlighting, menus (F1), etc. This might be a worthy replacement for nano if you...
You can use mail-tester.com to check your application's e-mails for issues that might cause e-mails to be...
You can configure a stat socket for haproxy in the global section of the configuration file: global daemon
Note This card does not reflect the current state of lazy loading technologies. The native lazy attribute could be used...
Use this snippet by Achu from Ask Ubuntu: ping hostname.tld | while read pong; do echo "$(date): $pong"; done
Sometimes you just want to have a small web server that serves files to test something. Serve the current directory...
While you can use Apache as a reverse proxy, it tries to be too smart. Try nginx instead, it's...
One useful postgres command I stumbled upon recently was \x. It gives you an expanded display which allows you to...
When you make a simple TCP connection to a remote server (like telnet), your client won't normally notice when...
You want to test your 1GE or 10GE internet uplink? We needed to ensure we have full 10GE to the...
Our applications not only need to be functional, they need to be fast. But, to quote Donald Knuth, premature optimization...
This is a guide on how to effectively use Git when working on a feature branch. It is designed to...