| readinglist | |
|---|---|
| author | Dummit & Foote |
| title | Abstract Algebra, 3ed |
| summary |
A thorough introduction to abstract algebra. |
| status | reading |
| subjects | linear algebra, math, abstract algebra |
This is an old revision of the document!
Useful scripts
Report signal strengths for wireless APs
Originally developed for use at work, it's just as useful in other contexts, so I have reproduced it here.
- sigstr.sh
#!/bin/bash # need some means of selecting $device sudo iw $device scan | awk '/^BSS/ { print $2 }; /signal/ { print $2, $3, "\f" }' | sed 's/(on$//' # each result will look like: # 00:11:22:33:44:55 # -72.00 dBm # additionally, they will be separated by "\f" characters