Greg Hogan gregjhogan

gregjhogan / speedtest-cli.sh

Last active June 7, 2019 21:26

bash speed test

curl https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py | python -

gregjhogan / read-firmware-ids.py

Last active January 11, 2021 05:10

	# EXAMPLE OUTPUT
	# ==============
	# opening device 0xddcc
	# connected
	# tester present ...
	# read data by id: boot software id ...
	# 39990-TVA-A110
	# read data by id: application software id ...
	# 39990-TVA-A150
	# read data by id: application data id ...

gregjhogan / tftp-server.sh

Created March 29, 2019 00:50

tftp server and logging example

	# start tftp server
	docker run --rm --network=host --name=tftp -it -v /dev/log:/dev/log -v /<path>/<to>/tftp:/tftp pghalliday/tftp -Lvvv /tftp

	# view logs while running
	tail -f /var/log/syslog

	# request file
	tftp <hostname> << EOF
	get /tftp/test.txt
	EOF

gregjhogan / add-ssh-known-host.sh

Created March 11, 2019 22:58

add list of ssh hosts to known_hosts

	HOSTS=(
	host1
	host2
	host3
	)
	for HOST in "${HOSTS[@]}"; do ssh-keyscan $HOST >> $HOME/.ssh/known_hosts; done

gregjhogan / docker-remove-all-stopped-containers.sh

Created January 24, 2019 20:17

docker remove all stopped containers

docker rm $(docker ps -q --filter "status=exited")

gregjhogan / bash-log-to-file-if-not-interactive.sh

Created January 23, 2019 20:15

bash log to file if not running interactively

	#!/usr/bin/env bash
	set -e
	# log to file if not running interactively
	if [[ ! -t 1 ]]; then
	exec >> >(tee /var/log/$(basename ${0%.*}).log) 2>&1
	fi
	echo "hello world!"

gregjhogan / dstat.sh

Last active February 14, 2019 05:07

dstat with most useful flags

dstat -v --disk-util -rn

gregjhogan / generate-random-password.sh

Created January 20, 2019 03:11

Generate Random Password

	openssl rand -base64 30
	date +%s \| sha256sum \| base64 \| head -c 32 ; echo

gregjhogan / find-and-delete-empty-dirs.sh

Created January 15, 2019 05:41

find and delete empty directories

find /<path>/<to>/<base> -type d -empty -print | xargs -I '{}' rmdir '{}'

gregjhogan / mysql-dump-query-to-file.sh

Created January 9, 2019 22:44

mysql dump query to file

mysql -h <hostname> -u <username> -p -sN -e "select json_object('key1', 1, 'key2', 2);" <database> > <filename>