ssh 스크린 메세지(motd)

 

motd.sh

0.00MB

 

터미널 접속 스크린 
# vi /etc/motd.sh
~~~스크린내용 입력~~~

 

- 실행권한 부여
# chmod +x /etc/motd.sh

- profile 쉘 추가
# echo "/etc/motd.sh" >> /etc/profile

- 스크린 확인
# source /etc/profile

 

- CPU모델확인
# cat /proc/cpuinfo | head -20 | grep "model name" | awk '{print $4, $5, $6, $7, $8, $10}'
# Intel(R) Xeon(R) CPU E5-1620 0 3.60GHz

 

하드디스크 온도 확인

 

- 설치
# yum install hddtemp

- 하드디스크 온도 확인
# hddtemp /dev/sda
# /dev/sdb: WDC WD20EZAZ-00GGJB0: 29°C

- 하드디스크 온도(숫자) 만 가져오기
 4번째 string 온도를 가지고 와서 숫자로 변환, 반올림으로 정수 구함
# hddtemp /dev/sdb | awk '{print $4}' | awk '{printf("%d\n",$1 - 0.5);}'
# 29

 

 

CPU 온도 확인

 

-설치
# yum install lm_sensors

 

-센서 목록 갱신(하드웨어 스캔, 처음 설치후 한번 실행)
# sensors-detect

 

-옵션
  "-u" : Row output (라인출력)
--------------------------------------------
# sensors -u
coretemp-isa-0000
Adapter: ISA adapter
Package id 0:
  temp1_input: 36.000
  temp1_max: 79.000
  temp1_crit: 97.000
  temp1_crit_alarm: 0.000
Core 0:
  temp2_input: 35.000
  temp2_max: 79.000
  temp2_crit: 97.000
  temp2_crit_alarm: 0.000
Core 1:
  temp3_input: 32.000
  temp3_max: 79.000
  temp3_crit: 97.000
  temp3_crit_alarm: 0.000
Core 2:
  temp4_input: 36.000
  temp4_max: 79.000
  temp4_crit: 97.000
  temp4_crit_alarm: 0.000
Core 3:
  temp5_input: 34.000
  temp5_max: 79.000
  temp5_crit: 97.000
  temp5_crit_alarm: 0.000
--------------------------------------------




- 온도 확인
# sensors

- CPU 온도(숫자) 가져오기 (head 몇번째까지 출력)
# sensors -u | head -11 |grep "temp2_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'
# sensors -u | head -20 |grep "temp3_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'
# sensors -u | head -30 |grep "temp4_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'
# sensors -u | head -40 |grep "temp5_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'

 

- CPU 온도(숫자) 가져오기 (sed 특정라인 출력)

# sensors -u | sed -n 18p |grep "temp2_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'
# sensors -u | sed -n 23p |grep "temp3_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'
# sensors -u | sed -n 28p |grep "temp4_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'
# sensors -u | sed -n 33p |grep "temp5_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'

 

 

vi /etc/motd.sh
chmod +x /etc/motd.sh
echo '/etc/motd.sh' >> /etc/profile

 

 

/etc/motd.sh

#!/bin/sh

# https://gist.github.com/cha55son/6042560
# http://patorjk.com/software/taag/

clear

#글자색깔 설정
#printf "\e[1;31m Hello World\e[0m"

printf "\n██████████████████████████████████████████████████████████████████████████\n\n"

printf "\e[1;31m"
printf "\t██   ██ ██████      ███████  ██████  ██████   ██████  \n"
printf "\t██   ██ ██   ██        ███  ██            ██ ██  ████ \n"
printf "\t███████ ██████        ███   ███████   █████  ██ ██ ██ \n"
printf "\t██   ██ ██           ███    ██    ██ ██      ████  ██ \n"
printf "\t██   ██ ██          ███████  ██████  ███████  ██████  \n\n"
printf "\e[0m"

printf "██████████████████████████████████████████████████████████████████████████\n"


HOSTNAME=`uname -n`
CPUINFO=`cat /proc/cpuinfo | head -20 | grep "model name" | awk '{print $4, $5, $6, $7, $8, $10}'`

# CPU온도 확인
# yum install lm_sensors
CPUCORE1=`sensors -u | head -11 |grep "temp2_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'`
CPUCORE2=`sensors -u | head -20 |grep "temp3_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'`
CPUCORE3=`sensors -u | head -30 |grep "temp4_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'`
CPUCORE4=`sensors -u | head -40 |grep "temp5_input"| awk '{print $2 }' |awk '{printf("%d\n",$1 + 0.5);}'`


# CPU 로드(1분, 5분, 15분 로드)
LOAD1=`cat /proc/loadavg | awk {'print $1'}`
LOAD5=`cat /proc/loadavg | awk {'print $2'}`
LOAD15=`cat /proc/loadavg | awk {'print $3'}`

# HDD온도 확인
# yum install hddtemp
sda=`hddtemp /dev/sda | awk '{print $4}' | awk '{printf("%d\n",$1 - 0.5);}'`
sdb=`hddtemp /dev/sdb | awk '{print $4}' | awk '{printf("%d\n",$1 - 0.5);}'`
sdc=`hddtemp /dev/sdc | awk '{print $4}' | awk '{printf("%d\n",$1 - 0.5);}'`

# 메모리 사용량
MEMORY1=`free -t -m | grep "Mem" | awk '{print $3" MB";}'`
MEMORY2=`free -t -m | grep "Mem" | awk '{print $2" MB";}'`

# 시스템 업타임
uptime=`cat /proc/uptime | cut -f1 -d.`
upDays=$((uptime/60/60/24))
upHours=$((uptime/60/60%24))
upMins=$((uptime/60%60))
upSecs=$((uptime%60))

# 디스크 사용량
root=`df -Ph | grep root | awk '{print $3 " / " $2 " (" $5 ")"}'`
raid=`df -Ph | grep raid | awk '{print $3 " / " $2 " (" $5 ")"}'`

echo "

 - CPU Model........... : $CPUINFO
 - CPU usage........... : $LOAD1, $LOAD5, $LOAD15 (1분, 5분, 15분)
 - CPU Temperature..... : $CPUCORE1°C, $CPUCORE2°C, $CPUCORE3°C, $CPUCORE4°C

 - Memory used......... : $MEMORY1 / $MEMORY2
 - Swap Memory used.... : `free -m | tail -n 1 | awk '{print $3}'` MB

 - Disk Temperature..... : sda $sda°C, sdb $sdb°C, sdc $sdc°C
 - Disk used root...... : $root
 - DIsk used raid...... : $raid

 - HostName............ : $HOSTNAME
 - Release............. : `cat /etc/redhat-release`
 - Kernel.............. : `uname -r`
 - Users............... : Currently `users | wc -w` user(s) logged on
 - System uptime....... : $upDays days $upHours hours $upMins minutes $upSecs seconds

██████████████████████████████████████████████████████████████████████████
"

 

 

https://gist.github.com/cha55son/6042560

RHEL (Centos/Fedora) dynamic motd