Created
August 31, 2021 18:52
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Retrieve and display information about CPU utilization, memory consumption, and network listeners.
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#!/usr/bin/env bash | |
# Record process and memory information | |
function log_output() { | |
local lines_to_print="$1" | |
while IFS= read -r line_to_print; do | |
echo "[$(date -Ins --utc)] ${line_to_print}" | |
done <<< "${lines_to_print}" | |
} | |
log_output '===== BEGIN PROC & MEM INFO GATHERING =====' | |
log_output 'OVERALL MEMORY METRICS' | |
log_output "$(free --si --total -h)" | |
# Get info about per-process resource utilization | |
log_output "TOP CPU CONSUMERS:" | |
log_output "$(top -s -c -b -n 1 -w 512 -o '%CPU' | head -n 21)" | |
log_output "TOP MEMORY CONSUMERS:" | |
log_output "$(top -s -c -b -n 1 -w 512 -o '%MEM' | head -n 21)" | |
log_output 'NETWORK LISTENERS' | |
log_output "$(netstat -tulpn)" | |
log_output '===== END OF PROC & MEM INFO GATHERING =====' |
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