linux·note

```
#!/bin/bash
#分区脚本
#Auther:stone
#列出系统上挂载的所有硬盘
echo -e "\033[31m`fdisk -l |grep '^Disk /dev/[sh]d[a-z]'`\033[0m"
#统计已挂载硬盘数量
c=`fdisk -l 2>/dev/null |grep '^Disk /dev/[sh]d[a-z]' |wc -l`
echo `fdisk -l |grep '^Disk /dev/[sh]d[a-z]' |cut -d ' ' -f 2 |cut -d : -f 1` >/tmp/list.txt
#模块化减少代码
function change() {
           read -p "input a hard disk number:" hdnum
           number=`echo $hdnum |sed -r 's/[0-9]+//g'`
           if [[ $hdnum -gt $c ]] || [[ $hdnum -lt 1 ]] || [[ $number ]]; then
              echo -e "\033[31mplease try again(0-3).\033[0m"; continue
           fi
           hdw=`cat /tmp/list.txt |cut -d ' ' -f $hdnum`
           echo $hdw
           return
}
while :; do
cat << EOF
############format sctipt############
##    a  choice hard disk          ##
##    d  delete hard disk parttion ##
## quit  quit the script           ##
#####################################
EOF
   read -p "input your choice:" optiona
   case $optiona in
     a|A)
        for i in `seq 1 $c`; do
        echo -e "\033[32mThis is $i Hard Disk: `cat /tmp/list.txt |cut -d ' ' -f $i`\033[0m"
        done
        while :; do
           change
           read -p "you date will lose,sure to continue?(y|Y)" choose1
           [ $choose1 != "y" ] || [ $choose1 != "Y" ] && echo -e "\033[32myou not change $hdw\033[0m"; break
           echo '
               n
               p
               1
               
               +1G
               n
               p
               2
               
               +1G
               n
               p
               3
               
               +2G
               t
               3
               82
               w' |fdisk $hdw &>/dev/null
               fdisk -l $hdw
               exit 0
        done
        ;;
       d)
        for i in `seq 1 $c`; do
        echo -e "\033[32mThis is $i Hard Disk: `cat /tmp/list.txt |cut -d ' ' -f $i`\033[0m"
        done
        while :; do
           change
           echo -e "\033[310mare you sure clean the $hdw(y|n):"
           read choose
           [ $choose == "y" ] || [ $choose == "Y" ] && dd if=/dev/zero of=$hdw bs=512 count=1
           echo -e "\033[32myou not clean the $hdw\033[0m"
           break
        done
        ;;
  q|quit)
        exit 0  
        ;;
       *)
        echo -e "\033[31mKnow option,please try again.\033[0m"
        ;;
   esac
done

```

shell脚本
2017-03-07
评论
1965 次浏览

尝试ping命令判断主机的存活状态

```
#!/bin/bash
#ping.sh
#Auther:stone
#取起始IP
read -p "please input start IPadr:" startip
#判断输入的是否为IP地址
while :; do
echo $startip |grep -E '\<([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>\.\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>\.\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>\.\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>' && break
      read -p "please input IPadr(192.168.1.1)：" startip

done
#结束IP	
read -p "please input end   IPadr:" endip
#判断结束IP的格式是否正确
while :; do
echo $endip |grep -E '\<([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>\.\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>\.\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>\.\<([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\>' && break 
      read -p "please input end IPadr(192.168.1.255)" endip
done

#判断结束IP段是否大于起始IP段,有四种可能：
if [ $tail1 -lt $head1 ]; then
    echo -e "\033[31mend IPadr smaller than start IPadr.\033[0m"
    exit 10 
fi

if [ $tail1 -lt $head1 ] && [ $tail2 -lt $head2 ]; then
    echo -e "\033[31mend IPadr smaller than start IPadr.\033[0m"
    exit 10 
fi

if [ $tail1 -lt $head1 ] && [ $tail2 -lt $head2 ] && [ $tail3 -lt $head3 ]; then
    echo -e "\033[31mend IPadr smaller than start IPadr.\033[0m"
    exit 10 
fi

if [ $tail1 -lt $head1 ] && [ $tail2 -lt $head2 ]  && [ $tail3 -lt $head3 ] && [ $tail4 -lt $head4 ]; then
    echo -e "\033[31mend IPadr smaller than start IPadr.\033[0m"
    exit 10 
fi

#以下为ping命令循环
while :; do
  if [ $head1 -eq $tail1 ]; then
     if [ $head2 -eq $tail2 ]; then
        if [ $head3 -eq $tail3 ]; then
           for ((d=$head4;d<=$tail4;d++)); do
              ping -c 1 -W 1 $head1.$head2.$head3.$d &>/dev/null   
              [ $? == 0 ] && echo -e "\033[32m$head1.$head2.$head3.$d is up.\033[0m"
              [ $? == 1 ] && echo -e "\033[31m$head1.$head2.$head3.$d id down.\033[0m"
           done
                  exit 0
        else
           for ((d=$head4;d<=255;d++)); do
              ping -c 1 -W 1 $head1.$head2.$head3.$d &>/dev/null    
              [ $? == 0 ] && echo -e "\033[32m$head1.$head2.$head3.$d is up.\033[0m"
              [ $? == 1 ] && echo -e "\033[31m$head1.$head2.$head3.$d id down.\033[0m"
           done
           declare c=$head3
           let c++
           while (($tail3-$c>0)); do
              for ((d=1;d<=255;d++)); do
              ping -c 1 -W 1 $head1.$head2.$c.$d &>/dev/null    
              [ $? == 0 ] && echo -e "\033[32m$head1.$head2.$c.$d is up.\033[0m"
              [ $? == 1 ] && echo -e "\033[31m$head1.$head2.$c.$d id down.\033[0m"
              done
           done
           if [ `expr $tail3 - $c` -eq 0 ]; then
              for ((d=0;d<=$tail4;d++)); do
              ping -c 1 -W 1 $head1.$head2.$c.$d &>/dev/null    
              [ $? == 0 ] && echo -e "\033[32m$head1.$head2.$c.$d is up.\033[0m"
              [ $? == 1 ] && echo -e "\033[31m$head1.$head2.$c.$d id down.\033[0m"
              done
              exit 0
           fi
        fi
     fi
  fi
done
```

shell脚本
2017-03-06
评论
2005 次浏览

choise.sh

shell脚本
2017-03-05
评论
2287 次浏览

copy command and lib 2

copy command and lib

set yum address

分区脚本

尝试ping命令判断主机的存活状态

choise.sh

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