Marek Prochera hicolour

Lack of firmware upgrades may cause various unpredicted issues, in my case it was freezing tailing windows manager.

Get the utility - fwupdate - tools for using the ESRT and UpdateCapsule() to apply firmware update

Technology POC

jcmd <PID> PerfCounter.print

jcmd <PID> Thread.print

jcmd ManagementAgent.start

	#!/bin/bash

	if [[ ! $1 ]]; then
	echo -e "Usage:\n\n\t$0 'file name'"
	exit 1
	fi

	f=$(file 2>/dev/null /proc//fd/ \| awk '$NF == "(deleted)"{print $(NF-1)}')

	if [[ $f ]]; then

	pi@pi3:~ $ history
	1 passwd
	2 sudo raspi-config
	3 reboot
	4 sudo reboot
	5 sudo nano /etc/network/interfaces
	6 reboot
	7 sjudo reboot
	8 sudo reboot
	9 ping wp.pl

	<rule ref="rulesets/java/basic.xml">
	<exclude name="JumbledIncrementer"/>
	<exclude name="ForLoopShouldBeWhileLoop"/>
	<exclude name="OverrideBothEqualsAndHashcode"/>
	<exclude name="DoubleCheckedLocking"/>
	<exclude name="ReturnFromFinallyBlock"/>
	<exclude name="UnconditionalIfStatement"/>
	<exclude name="BooleanInstantiation"/>
	<exclude name="CollapsibleIfStatements"/>
	<exclude name="ClassCastExceptionWithToArray"/>

	# basic info
	jcmd <PID> PerfCounter.print

	# thread dump
	jcmd <PID> Thread.print

	# enable jmx
	jcmd <PID> ManagementAgent.start