change ``bash headers to ``sh

system/monitoring.md

@@ -5,26 +5,26 @@ tags: [ "system", "CPU", "memory" ]
 
 Print the average CPU load over 1 minute, 5 minutes, and 15 minutes:
 
-```bash
+```sh
 watch -d cat /proc/loadavg
 stress="$(cat /proc/loadavg | awk '{print "Usage:" $2"%"}')"
 ```
 
 Show memory usage in Gibitytes.
 
-```bash
+```sh
 free -g
 ```
 
 Show low and high gigibtye usage on a *l*ine, and repeat the measurement every 5 seconds:
 
-```bash
+```sh
 REP=5
 free --lohi -g -s $REP | lolcat
 ```
 
 Check the next thing cron will do:
 
-```bash
+```sh
 cronnext /var/spool/cron/$USER -l
 ```