centos查看啟動時間

centos查看啟動時間

系統啟動時間

who -bdate -d "$(awk -F. '{print $1}' /proc/uptime) second ago" +"%Y-%m-%d %H:%M:%S"

系統已運行時間

cat /proc/uptime| awk -F. '{run_days=$1 / 86400;run_hour=($1 % 86400)/3600;run_minute=($1 % 3600)/60;run_second=$1 % 60;printf("%dd %d:%d:%d\n",run_days,run_hour,run_minute,run_second)}'

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