Linux - Stats over MQTT - Revision history

Tinker: /* The cron job */

2021-03-29T02:00:15Z

The cron job

Tinker at 01:58, 29 March 2021

2021-03-29T01:58:14Z

Tinker: /* /usr/local/bin/MQTTstats.sh */

2021-03-29T01:57:26Z

/usr/local/bin/MQTTstats.sh

Tinker: /* The cron job */

2020-12-29T03:33:29Z

The cron job

Tinker: /* /usr/local/bin/MQTTstats.sh */

2020-12-29T02:07:23Z

/usr/local/bin/MQTTstats.sh

Tinker: /* /usr/local/bin/MQTTstats.sh */

2020-12-29T02:06:37Z

/usr/local/bin/MQTTstats.sh

Tinker: Created page with "=== /usr/local/bin/MQTTstats.sh === # Get uptime if [ -f "/proc/uptime" ]; then uptime=`cat /proc/uptime` uptime=${uptime%%.*} seconds=$((..."

2020-12-29T01:44:37Z

Created page with "=== /usr/local/bin/MQTTstats.sh === <syntaxhighlight lang="sh" line="1"> # Get uptime if [ -f "/proc/uptime" ]; then uptime=`cat /proc/uptime` uptime=${uptime%%.*} seconds=$((..."

New page

=== /usr/local/bin/MQTTstats.sh ===
<syntaxhighlight lang="sh" line="1">
# Get uptime
if [ -f "/proc/uptime" ]; then
uptime=`cat /proc/uptime`
uptime=${uptime%%.*}
seconds=$(( uptime%60 ))
minutes=$(( uptime/60%60 ))
hours=$(( uptime/60/60%24 ))
days=$(( uptime/60/60/24 ))
fi

# Get loadavg
if [ -f "/proc/loadavg" ]; then
OneMin=`cat /proc/loadavg | cut -b 1-4`
FiveMin=`cat /proc/loadavg | cut -b 6-9`
FifteenMin=`cat /proc/loadavg | cut -b 11-14`
fi

# Get % Memory usage
MemUsed=`free -t | grep "Mem:" | awk '{print (1-($7/$2))*100}'`

printf '{\t"uptime":"%s:%s:%s:%s",\n' "$days" "$hours" "$minutes" "$seconds"
printf '\t"loadavg1min":%.2f,\n' "$OneMin"
printf '\t"loadavg5min":%.2f,\n' "$FiveMin"
printf '\t"loadavg15min":%.2f,\n' "$FifteenMin"
printf '\t"loadavg":"%s %s %s",\n' "$OneMin" "$FiveMin" "$FifteenMin"
printf '\t"memused":%.2f,\n' "$MemUsed"
printf '"SENSORS":'
printf '%s' `/usr/local/bin/sensors -j`
printf '}\n'

</syntaxhighlight>Don't forget to make it executable...

* <code>sudo chmod +x /usr/local/bin/MQTTstats.sh</code>

=== The cron job ===
Add this line by editing roots crontab

* <code>sudo crontab -e</code>

& add this line at the end:

* <code>* * * * * /usr/bin/mosquitto_pub -h skynet.tinkernow.net -t `hostname` -m "`/usr/local/bin/MQTTstats.sh`"</code>

← Older revision		Revision as of 02:00, 29 March 2021
Line 48:		Line 48:
	replace '''broker.domain.tld''' with the address of your broker		replace '''broker.domain.tld''' with the address of your broker

−	(Yes... If you haven't yet installed the [[AutomationServer_-_MQTT#Install_client_tools_for_testing_etc\|Mosquitto Clients]], it's not gonna work... :P )	+	(Yes... It's true... If you haven't yet installed the [[AutomationServer_-_MQTT#Install_client_tools_for_testing_etc\|Mosquitto Clients]], it's not gonna work... :P )

@@ Line 36: / Line 36: @@
 * <code>sudo chmod +x /usr/local/bin/MQTTstats.sh</code>
 === The cron job ===
@@ Line 49: / Line 47: @@
 replace '''broker.domain.tld''' with the address of your broker

← Older revision		Revision as of 03:33, 29 December 2020
Line 42:		Line 42:
	& add this line at the end:		& add this line at the end:

−	* <code>* * * * * /usr/bin/mosquitto_pub -h ~~skynet~~.~~tinkernow~~.~~net~~ -t `hostname` -m "`/usr/local/bin/MQTTstats.sh`"</code>	+	* <code>* * * * * /usr/bin/mosquitto_pub -h broker.domain.tld -t `hostname` -m "`/usr/local/bin/MQTTstats.sh`"</code>
		+
		+	replace '''broker.domain.tld''' with the address of your broker

@@ Line 31: / Line 31: @@
 printf '}\n'
-</syntaxhighlight>Don't forget to make it executable...
+</syntaxhighlight>
 * <code>sudo chmod +x /usr/local/bin/MQTTstats.sh</code>
 === The cron job ===

@@ Line 28: / Line 28: @@
 printf '\t"memused":%.2f,\n' "$MemUsed"
 printf '"SENSORS":'
-printf '%s' `/usr/local/bin/sensors -j`
+printf '%s' `/usr/bin/sensors -j`
 printf '}\n'

@@ Line 19: / Line 19: @@
 # Get % Memory usage
-MemUsed=`free -t | grep "Mem:" | awk '{print (1-($7/$2))*100}'`
+MemUsed=`/usr/bin/free -t | grep "Mem:" | awk '{print (1-($7/$2))*100}'`
 printf '{\t"uptime":"%s:%s:%s:%s",\n' "$days" "$hours" "$minutes" "$seconds"