Blog Posts
Script for Mirroring
Posted 2021-10-13 8:37 by azri.
Need to find way to not run if already running.
- https://stackoverflow.com/questions/16807876/how-to-check-if-another-instance-of-my-shell-script-is-running
if pidof -x "abc.sh" -o $$ >/dev/null; then echo "Process already running" fi Note: add -o $$ - https://stackoverflow.com/questions/11145270/how-to-replace-an-entire-line-in-a-text-file-by-line-number
Probably not required - https://serverfault.com/questions/85893/running-a-cron-job-manually-and-immediately
May not be useful - https://www.generateit.net/cron-job/
For noobs - https://www.geeksforgeeks.org/crontab-in-linux-with-examples/
- https://stackoverflow.com/questions/13781216/meaning-of-too-many-arguments-error-from-if-square-brackets
Be careful with space and wrap commands with inverted commas - https://www.geeksforgeeks.org/conditional-statements-shell-script/
if then else fi - https://linuxhint.com/bash_command_output_variable/
Not applicable - https://www.computerhope.com/unix/ush.htm
Need to learn and memorise - http://www.compciv.org/topics/bash/variables-and-substitution/
Animated GIF examples - https://httpie.io/docs#examples
Life saver! - https://superuser.com/questions/737247/get-last-modified-date-of-file-in-linux
Lead me to httpie
Linux
Posted 2021-08-31 22:12 by azri.
su -m apache -c "echo hello; id"
Skyaware in dump1090.tpl
Posted 2021-08-11 14:17 by azri.
sana rupanya
zcat
Posted 2021-08-11 13:57 by azri.
Paramount MYT
Posted 2021-08-09 21:27 by azri.
A red filter is recommended for data collection, TPoint modeling, etc.