Highlighted prompt for production shells
Insert into ~/.bashrc and reload afterwards: source ~/.bashrc
PS1='${debian_chroot:+($debian_chroot)}\[\033[41;33m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
Related cards:
Highlight your prompt on production machines
Next in our series on not shooting yourself in the foot: Doing a sudo shutdown -h now on the main database server right before you head home to cook dinner for six.
Show the current Git branch on your Bash prompt
Append this to your ~/.bashrc:
export PS1='\[\033[01;32m\]\h\[\033[01;34m\] \w\[\033[31m\]$(__git_ps1 "(%s)") \[\033[01;34m\]$\[\033[00m\] '
Reload the changes by saying
source ~/.bashrc
For some customized prompts that also ...
Removing ANSI color codes from Rails logs
The colors in Rails log files are helpful when watching them but, since they are ANSI color codes like ^[[4;36;1m, can be annoying when you are reading the logs with a tool that does just prints those control characters (like less or vim).
...
Using ngrok for exposing your development server to the internet
Sometimes you need to access a dev server running on localhost from another machine that is not part of the same network. Maybe you want to use your phone to test a web page, but are only in a guest WiFi. In the past, we often used [some port forw...
Install gems for all bundled projects
This is a bash script for those of you who need to install all gems for all projects (e.g. to get started quickly on a newly installed system).
Put it into your ~/bin/ and run it from the directory that holds your projects.
Note that, like the...
Using Low-Level Prompts for High-Accuracy AI Coding
The key to unlocking the full potential of LLMs in coding lies in crafting precise prompts. The main challenge is learning how to structure prompts effectively to gui...
Using Passenger Standalone for development
For our production servers we use Passenger as a Ruby application server. While it is possible to use Passenger for development as an Apache module, the in...
Using Thin for development (with SSL)
Note: These instructions are for a quick per-project setup and may require you to change code. If you generally need SSL for development, you probably want to use [Passenger](https://makandracards.com/makandra/549-using-passenger-for-developme...
Customize your Bash prompt
The shell variable PS1 holds your bash prompt. You might want to change it to serve your needs best. Here is how to:
General
- non-printing escape sequences in your prompt have to be inclosed in
\[\e[and\]so your shell can...
Store MySQL passwords for development
On your local system that only hosts non-critical development data and only you have access to, you can store MySQL's root password in your home directory so you can use mysql commands without prompt for passwords, i.e. when doing batch processi...