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SSH登录成功后的登录信息是在哪里实现的

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发表于 2017-7-19 11:13:07 | 显示全部楼层 |阅读模式


如图ssh连接登录成功后上述板子温度信息是哪里实现的?

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发表于 2017-7-20 11:08:35 | 显示全部楼层
到/etc  目录 搜下打印出来的字符吧。 比如:“Board”
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发表于 2017-7-20 12:23:49 | 显示全部楼层
本帖最后由 nabice 于 2017-7-20 12:25 编辑

没有CT,不知道它怎么弄的
不过一般编辑/etc/motd可以实现,或者可以使用sshd_config的Banner选项。
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 楼主| 发表于 2017-7-20 23:01:08 | 显示全部楼层
找到了:/etc/bash.bashrc

  1. OUT=""
  2. LOAD=$(w | sed -n 1p  | awk '{print $(NF-2), $(NF-1),$(NF-0)}')
  3. OUT="${OUT}Load: ${LOAD} "

  4. ## getting temperature from USB termometer
  5. ## http://www.dx.com/p/81105
  6. ##
  7. if which temper >/dev/null; then
  8.    TEMPER=$(temper -c)
  9.    if echo $TEMPER | egrep -qv "Couldn't find the USB device"; then
  10.       TEMPER=$(echo "scale=1;${TEMPER}/1" | bc)
  11.       TEMPER="- Ambient: ${TEMPER}${CEL} "
  12.    else
  13.       TEMPER=""
  14.    fi
  15. fi

  16. if [ -d "/sys/devices/platform/sunxi-i2c.0/i2c-0/0-0034/" ]; then
  17. TEMP=$(cat /sys/devices/platform/sunxi-i2c.0/i2c-0/0-0034/temp1_input)
  18. TEMP=$(echo "scale=1;${TEMP}/1000" | bc)
  19. CEL=$(awk 'BEGIN { print "\302\260C"; }')
  20. OUT="${OUT}- Board: ${TEMP}${CEL} ${TEMPER}"
  21. fi

  22. # if we have a hard drive
  23. if [ -e '/dev/sda' ]; then
  24.    HDDTEMP=$(/usr/sbin/hddtemp /dev/sda 2>&1)
  25.    if [ $? -eq 0 ]; then
  26.        HDDTEMP=$(echo ${HDDTEMP} | awk '{print $NF}')
  27.        HDDFREE=$(df -h /dev/sda1 | grep sda | awk '{ print " / " $(NF-2)}')
  28.        if [ "${HDDFREE}" != "" ]; then
  29.           HDDFREE="${HDDFREE}"b
  30.        fi
  31.        OUT="${OUT}- Drive: ${HDDTEMP}${HDDFREE} "
  32.    fi
  33. fi


  34. MEMFREE=$(free | sed -n 2p | awk '{print $(NF-3)}')
  35. MEMBUFFERS=$(free | sed -n 2p | awk '{print $(NF-1)}')
  36. MEMCACHED=$(free | sed -n 2p | awk '{print $(NF)}')
  37. MEM=$(echo "(${MEMFREE}+${MEMBUFFERS}+${MEMCACHED})/1024" | bc)
  38. OUT="${OUT}- Memory: ${MEM}Mb"


  39. echo ""
  40. echo ${OUT}
  41. echo ""



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发表于 2017-12-21 15:30:52 | 显示全部楼层
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