Useful Commands/System Status

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情境 指令
觀察 CPU 使用狀態,每個 core 數據分開
vmstat -P 1     # FreeBSD
mpstat -P ALL 1 # Linux
取得 SNMP v3 資訊
(認證與傳輸都加密)
snmpwalk -v 3 -l authPriv -u ${USERNAME} \
   -a SHA -A ${PASSWORD} \ # 密碼加密方式與密碼 (摘要演算法)
   -x AES -X random123 \ # 傳輸加密方式與密鑰 (對稱加密演算法)
   ${HOST} \
   ${OID}

OID 查詢系統

取得 SNMP v2 資訊
snmpwalk -v2c -cpublic 192.168.93.172 system