nathanbwright.com

Various things that I have found to be useful.

A tiny Ruby LLM agent (101 lines, no deps)
Scoped event bus with Vue.js
Speed up ActiveRecord data import

Set shell variable

$ echo $RAILS_ENV
$ export RAILS_ENV=production

Find command
```
$ find . -name foo.txt
```
Copy things
Dealing with multiple jobs
Show shell options
```
$ set -o
```
Shell redirection
Time command
```
$ time sleep 12
```
Remove things
List things
Disk usage
Basic rsync
ssh config file
Show connected users
```
$ who
$ w
```
Remove .DS_STORE files
Print directory tree
Make script executable
```
$ chmod +x filename.sh
```
Basic bash if statement and numeric operators
```
if..elif..else..fi
```
Basic bash loop
```
for i in 1 2 3
do
  echo $i
done
```
Bash variables
```
HELLO="world"
$HELLO
```
Pause foreground process
```
Ctrl-z
```
Show disk free space
```
$ df -h
```
Show all running processes
```
$ ps aux | less
```
Rerun previous command
```
$ !!
```
Show current ip address
```
$ curl ipecho.net/plain; echo
```