Revision of AWK_tricks.md

1 file changed, 28 insertions

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1	+	## Print Power_On_Hours from smartctl
2	+
3	+	```sh
4	+	for d in sd{a..e}; do smartctl -a /dev/$d \| \
5	+	awk -v d="$d" '/Power_On/ {print "PowerOnHours "d, int($10), "("int($10 / 24)" days)"}' ; done
6	+	```
7	+
8	+	Example output:
9	+	```
10	+	PowerOnHours sda 23050 (960 days)
11	+	PowerOnHours sdb 47183 (1965 days)
12	+	PowerOnHours sdc 32260 (1344 days)
13	+	PowerOnHours sdd 20713 (863 days)
14	+	PowerOnHours sde 46021 (1917 days)
15	+	```
16	+
17	+	## Sum containers total RAM usage
18	+
19	+	Podman:
20	+	```sh
21	+	podman stats --no-stream --format 'table {{ .Name }} {{ .AVGCPU }} {{ .MemUsage }}' \| \
22	+	awk 'NR>1 { gsub("MB",""); sum+=$3;} END{print sum,"MB";}'
23	+	```
24	+	Docker:
25	+	```sh
26	+	docker stats --no-stream --format 'table {{ .Name }} {{ .CPUPerc }} {{ .MemUsage }}' \| \
27	+	awk 'NR>1 { gsub("MB",""); sum+=$3;} END{print sum,"MB";}'
28	+	```

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