linux获取cpu id和disk id

// 获得CPU ID

public static final String CPU_ID_CMD = "dmidecode -t 4 | grep ID |sort -u |awk -F': ' '{print $2}'";

// 获得磁盘ID

public static final String DISK_ID_CMD = "fdisk -l |grep \"Disk identifier\" |awk {'print $3'}";

 

/**
     * 获得CPU ID
     *
     * @return info[0]
     * @throws SigarException
     */
    public static String getCpuId() throws SigarException, IOException, InterruptedException {
        StringBuffer buffer = new StringBuffer();
        CMDUtils.runCMD(CPU_ID_CMD, buffer, null);
        String[] info = buffer.toString().trim().split("\n");
        if (info != null && info.length > 0) {
            return info[0];
        }
        return null;

    }

    /**
     * 仅获得第一块磁盘的ID
     *
     * @return info[0]
     * @throws IOException
     * @throws InterruptedException
     */
    public static String getDiskId() throws IOException, InterruptedException {
        StringBuffer buffer = new StringBuffer();
        CMDUtils.runCMD(DISK_ID_CMD, buffer, null);
        String[] info = buffer.toString().trim().split("\n");
        if (info != null && info.length > 0) {
            return info[0];
        }
        return null;

    }

    /**
     * 获得网卡的MAC地址
     *
     * @return macAddr
     * @throws SigarException
     */
    public static String getMacAddress() throws SigarException {
        NetInterfaceConfig nic = sigar.getNetInterfaceConfig();
        String macAddr = nic.getHwaddr();
        if (macAddr != null && !macAddr.isEmpty()) {
            return macAddr;
        }
        return null;

    }