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systems

First 60 Seconds

# load averages
uptime

# kernel messages can be helpful sometimes
dmesg | tail

# rolling process, memory stats
vmstat 1

# rolling cpu states on multicore systems
mpstat -P ALL 1

# rolling ps aux (only shows non-idle processes)
pidstat 1

# rolling disk performance metrics
iostat -xz 1

# available memory, used, swap
free -m

# network visibility
sar -n DEV 1
sar -n TCP,ETCP 1

# running processes in a system
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