Linux如何批量导入用户账户

useradd

useradd

#!/bin/bash

for i in $(seq 1 10); do  # 创建 user1 到 user10
  username="user$i"
  useradd -m $username  # -m 参数创建用户家目录
  echo "用户 $username 创建成功"
done

user1

user10

-m

while

user1
user2
testuser
anotheruser

#!/bin/bash

while read username; do
  useradd -m $username
  echo "用户 $username 创建成功"
done < users.txt

users.txt

useradd

awk

awk

#!/bin/bash

awk '{system("useradd -m " $1)}' users.txt

awk

users.txt

useradd -m

passwd

#!/bin/bash

while read username; do
  useradd -m $username
  echo "用户 $username 创建成功"
  echo "$username:password" | chpasswd  # 设置密码为 password
done < users.txt

openssl rand -base64 12

usermod

developers

#!/bin/bash

while read username; do
  usermod -aG developers $username  # -aG 参数表示添加到组，不覆盖原有组
  echo "用户 $username 已添加到 developers 组"
done < users.txt

-aG

-G

developers

useradd

id

#!/bin/bash

while read username; do
  if id -u $username >/dev/null 2>&1; then
    echo "用户 $username 已存在，跳过"
  else
    useradd -m $username
    echo "用户 $username 创建成功"
  fi
done < users.txt

id -u $username

>/dev/null 2>&1

userdel

#!/bin/bash

while read username; do
  userdel -r $username  # -r 参数删除用户家目录
  echo "用户 $username 删除成功"
done < users.txt

-r

-r