作業

作業代碼

 手動添加使用者資訊

    代碼：

#!/bin/bash

read -p "please input you want to add user's name :" username

read -p "please input you want to add user's uid :" userid

 grep "^[[:alpha:]].*:x:$userid:[0-9]*:.*:" /etc/passwd  &> /dev/null

 exist=$?

   while([ $exist  = 0 ]);do

     read -p "error! you input uid is exist. please input you want to add user's uid again :" userid

    grep "^[[:alpha:]].*:x:$userid:[0-9]*:.*:" /etc/passwd  &> /dev/null

    exist=$?

   done

read -p "please input you want to add user's group id:" gid

read -p "please input you want to add user's default shell:" shell

echo  "$username:x:$userid:$gid::/home/$username:$shell" >> /etc/passwd

echo "$username:x:$gid:" >> /etc/group

salt=`head -1 /dev/urandom | md5sum | cut -d' ' -f1 |sed 's/\([^[:space:]]\{8\}\).*/\1/g'`

echo "please input you want to add user's passwd:"

passwd=`openssl passwd -1 -salt $salt`

t1=$[ `date '+%s'`/86400 ]

echo "$username:$passwd:$t1:0:99999:7:::" >> /etc/shadow

mkdir /home/$username

chown -r $username:$username /home/$username

 cp -r /etc/skel/.bashrc* /home/$username

 cp -r /etc/skel/.mozilla /home/$username

 chmod 700 /home/$username

2 互動式設定編輯網卡

#!/bin/bash                                                            

network='/etc/sysconfig/network-scripts'                               

read -p "please input your set ethernet : " eth                        

    ls -l $network  | grep "ifcfg-eth$eth"  >> /dev/null               

          exists=$?                                                    

        if  [ $exists != 0 ] ;then echo "input wrong eth$eth." && exit 5

 fi                                                                   

 if  [ $exists = 0 ] ;then                                            

   read -p "please input your set bootproto [dhcp /static ]:" boot    

    if([ "$boot" == "dhcp" ] || [ "$boot" == "dhcp" ]);then           

         hwaddr=`ifconfig eth$eth | grep "^eth$eth" | awk '{print $5}'`

cat > $network/ifcfg-eth$eth << eof                                    

#advanced devices                                                      

device=eth$eth                                                         

bootproto=$boot                                                        

hwaddr=$hwaddr                                                         

onboot=yes                                                             

type=ethernet                                                          

eof                                                                    

         echo "please wait a monment."                                 

  ifdown eth$eth && ifup eth$eth                                      

        echo "your set dhcp  eth$eth info is :"                       

        ifconfig eth$eth                                              

     elif ([ "$boot" == "static" -o "$boot" == "static" ]);then       

           read -p "input ipaddr:" ipaddr                             

         while ([ -z $ipaddr ]);do                                   

         read -p "error! please input ipaddr again:" ipaddr          

         done                                                        

    read -p "input mask:"  mask                                      

         while ([ -z $mask ]);do                                     

         read -p "error! please input mask again :" mask             

    read -p "input gateway:" gw                                      

  hwaddr=`ifconfig eth$eth | grep "^eth$eth" | awk '{print $5}'`       

       cat > $network/ifcfg-eth$eth << !                              

ipaddr=$ipaddr                                                         

mask=$mask                                                             

gateway=$gw                                                            

!                                                                      

        ifdown eth$eth && ifup eth$eth                                

        echo "your set static eth$eth info is :"                      

      else                                                            

        echo "your input is wrong string."                            

      fi                                                              

 fi