System Info Concept


        
            
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            Uptime
cut -d. -f1 /proc/uptime
days = /60/60/24

hours = /60/60%24

mins = /60%60

secs = %60
Network Stat
ls /sys/class/net

cat /sys/class/net/eth0/statistics/rx_bytes

cat /sys/class/net/eth0/statistics/tx_bytes
tbps = tx[1] - tx[0]

rbps = rx[1] - rx[0]
(rbps8)/10000000

(tbps8)/10000000

SNMP Network in: 1.3.6.1.2.1.31.1.1.1.10.2

SNMP Network out: 1.3.6.1.2.1.31.1.1.1.6.2
CPU Info
cat /proc/cpuinfo # model name, cpu mHZ, cache size
CPU Load
CPU cat /proc/loadavg

Core_num grep -P '^processor' /proc/cpuinfo|wc -l
Hesaplama

(cpu load/core_num +1)*100/2
Get CPU Core
grep -P '^processor' /proc/cpuinfo|wc -l
Service Enable & Disable
ls /etc/systemd/system/multi-user.target.wants/%s.service
Process Exists
ps axo user:20,pid,pcpu,pmem,vsz,rss,tty,stat,start,time,comm,cmd|grep root | grep -iE nginx | grep -v grep