[Linux] Shell Script๋ฅผ ํ™œ์šฉํ•˜์—ฌ ์‚ฌ์šฉ์ž ๊ณ„์ • ์ƒ์„ฑ

2025. 6. 16. 23:02ยทLinux
๋”๋ณด๊ธฐ

์ฒ˜์Œ ๋ฐฐ์šฐ๋Š” ์…ธ ์Šคํฌ๋ฆฝํŠธ ์ฑ… ์ฐธ๊ณ 

์ฑ…์—์„œ bash ๋ฌธ๋ฒ•์„ ๋”ฐ๋ฅด๊ณ  ์žˆ์–ด์„œ bash ๋ช…๋ น์–ด๋กœ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‹คํ–‰

์‚ฌ์šฉ์ž ๊ณ„์ •์„ ๋งŒ๋“ค ๋•Œ

๋‹ค์ˆ˜์˜ ์‚ฌ์šฉ์ž ๊ณ„์ •์„ ์ƒ์„ฑํ•  ์ˆ˜ ์žˆ๋Š” ์Šคํฌ๋ฆฝํŠธ

#!/bin/bash

if [[ -n $1 ]] && [[ -n $2 ]]
then
        UserList=($1)
        Password=($2)

        for (( i=0; i < ${#UserList[@]}; i++ ))
        do
                if [[ $(cat /etc/passwd | grep ${UserList[$i]} | wc -l) == 0 ]]
                then
                        sudo useradd -m ${UserList[$i]}
                        echo "${UserList[$i]}:${Password[$i]}" | sudo chpasswd
                else
                        echo "this user ${UserList[$i]} is existing."
                fi
        done
else
        echo -e 'Please input user id and password.\nUsage: adduser-script.sh "user01 user02" "pw01 pw02"'
fi
~$ bash adduser-script.sh lucy 1234
this user lucy is existing.
~$ bash adduser-script.sh sabio tori 1234 1234
useradd: Permission denied.
useradd: cannot lock /etc/passwd; try again later.
[sudo] password for lucy:

๊ธฐ์กด ์ฑ…๊ณผ ํ™˜๊ฒฝ์ด ๋‹ฌ๋ผ ubuntu์—์„œ๋Š” ์œ„์™€ ๊ฐ™์ด ์ž‘์„ฑํ•ด์•ผ์ง€ ์Šคํฌ๋ฆฝํŠธ๊ฐ€ ์‹คํ–‰๋œ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์‚ฌ์šฉ์ž๋ฅผ ์ถ”๊ฐ€ํ•˜๋ ค๋ฉด sudo๋กœ ์‹คํ–‰ํ•ด์•ผ ํ•œ๋‹ค.

์›๊ฒฉ ์„œ๋ฒ„์˜ ์‚ฌ์šฉ์ž ์ƒ์„ฑ ๋ฐ ํŒจ์Šค์›Œ๋“œ ์„ค์ •

#!/bin/bash

for server in "host01 host02 host03"
do
        echo $server
        ssh root@server "useradd $1"
        ssh root@server "echo ${UserList[$i]}:${Password[$i]}" | sudo chpasswd
done

 

์ €์ž‘์žํ‘œ์‹œ ๋น„์˜๋ฆฌ ๋ณ€๊ฒฝ๊ธˆ์ง€ (์ƒˆ์ฐฝ์—ด๋ฆผ)

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