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显示内存使用情况、磁盘使用情况、CPU 负载和正常运行时间的命令

tag-icon • tag-icon linux bash scripting display-settings
显示内存使用情况、磁盘使用情况、CPU 负载和正常运行时间的命令

我现在有这个：

while True:

    # Draw a black filled box to clear the image.
    draw.rectangle((0, 0, oled.width, oled.height), outline=0, fill=0)

    cmd = "hostname -I | cut -d\' \' -f1"
    IP = subprocess.check_output(cmd, shell = True )
    cmd = "top -bn1 | grep load | awk '{printf \"CPU: %.2f\", $(NF-2)}'"
    CPU = subprocess.check_output(cmd, shell = True )
    cmd = "free -m | awk 'NR==2{printf \"Mem: %s/%sMB %.2f%%\", $3,$2,$3*100/$2 }'"
    MemUsage = subprocess.check_output(cmd, shell = True )
    cmd = "df -h | awk '$NF==\"/\"{printf \"Disk: %d/%dGB %s\", $3,$2,$5}'"
    Disk = subprocess.check_output(cmd, shell = True )
    cmd = "vcgencmd measure_temp |cut -f 2 -d '='"
    temp = subprocess.check_output(cmd, shell = True )

    # Pi Stats Display
    draw.text((0, 0), "IP: " + str(IP,'utf-8'), font=font, fill=255)
    draw.text((0, 16), str(CPU,'utf-8') + "%", font=font, fill=255)
    draw.text((80, 16), str(temp,'utf-8') , font=font, fill=255)
    draw.text((0, 32), str(MemUsage,'utf-8'), font=font, fill=255)
    draw.text((0, 48), str(Disk,'utf-8'), font=font, fill=255)
  1. 我想将正常运行时间添加到带有 IP 的行，例如显示：IP: 127.0.0.1 UP: d / h / m。
  2. 如何让内存以 GB 而不是 MB 的形式写入？

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