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 #分别将起始IP地址和结束IP地址的四段提取出来用于判断 head1=`echo $startip |cut -d . -f 1` head2=`echo $startip |cut -d . -f 2` head3=`echo $startip |cut -d . -f 3` head4=`echo $startip |cut -d . -f 4` tail1=`echo $endip |cut -d . -f 1` tail2=`echo $endip |cut -d . -f 2` tail3=`echo $endip |cut -d . -f 3` tail4=`echo $endip |cut -d . -f 4` #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 1717 次浏览
choise.sh ``` #!/bin/bash #choise.sh #Auther:stone cat << EOF d|D) show disk usages m|M) show memory usages s|S) show swap usages *) quit EOF read -p "please input your choice:" CHOICE while [ $CHOICE != 'quit' ]; do case $CHOICE in d|D) echo "disk usages:" df -h ;; m|M) echo "memory usages" free -m |grep 'Mem' ;; s|S) echo "swap usages" free -m |grep 'Swap' ;; *) echo "UNknow.." ;; esac read -p "please input again your choice:" CHOICE done ``` shell脚本 2017-03-05 评论 2045 次浏览
archive ``` #!/bin/bash #archive #lm read -p "please input save filename:" filename read -p "please input need archive file:" file read -p "please choose archive or commpress(a:archive|gzip|bzip2|xz):" fmart case $fmart in a|archive) tar -cf ${filename}.tar $file &>/dev/null ;; gzip) tar -zcf ${filename}.tar.gz $file &>/dev/null ;; bzip2) tar -jcf ${filename}.tar.bz2 $file &>/dev/null ;; xz) tar -Jcf ${filename}.tar.xz $file &>/dev/null ;; *) echo "Unknow options." esac ``` shell脚本 2017-03-04 评论 1696 次浏览
showlog ``` #!/bin/bash #showlog.sh #lm v=0 c=0 n=`who |wc -l` for i in `seq 0 $#`;do if [ $1 ]; then case $1 in -v) v=1 shift ;; -c) c=1 shift ;; -h|--help) echo "Usage:`basename $0` -v | -c | -h" exit 0 ;; *) echo "Usage:`basename $0` -v | -c | -h" exit 7 ;; esac fi done if [ $c -eq 1 ]; then [ $v -eq 1 ] && echo "They users:$n" && echo "They are:" && who [ $v -eq 0 ] && echo "They users:$n" exit 0 fi ``` shell脚本 2017-03-03 评论 1739 次浏览
test -add & -del & -h|--help & -v|--verbose ``` #!/bin/bash #test -add & -del & -h|--help & -v|--verbose etc #lm v=0 add=0 del=0 for i in `seq 0 $#`; do if [ $1 ]; then case $1 in -v|--verbose) v=1 shift ;; -add) add=1 addusers=$2 shift 2 ;; -del) del=1 delusers=$2 shift 2 ;; -h|--help) echo "Usage:`basename $0` -v -add username1,username2..|-del username1,username2..|-h|--help" exit 0 ;; *) echo "Usage:`basename $0` -v -add username1,username2..|-del username1,username2..|-h|--help" exit 7 ;; esac else break fi done echo "$v,$add,$del" if [ $add -eq 1 ]; then for a in `echo $addusers |sed a@,@ @g`;do if `id $a &>/dev/null`; then echo "$s is exists." else [ $v -eq 1 ] && useradd $a [ $v -eq 0 ] && useradd $a &>/dev/null [ $v -eq 1 ] && echo $a |passwd --stdin $a [ $v -eq 0 ] && echo $a |passwd --stdin $a &>/dev/null fi done exit 0 fi if [ $del -eq 1 ]; then for b in `echo $delusers |sed s@,@ @g`; do if `id $b &>/dev/null`;then userdel -r $b [ $v -eq 1 ] && echo "$b is delete." else echo "$b is not exists." fi done exit 0 fi ``` shell脚本 2017-03-02 评论 1746 次浏览
add user ``` #!/bin/bash #version:0.0.2 #Auther:stone #Discription:add user and password. if [ $UID -ne 0 ]; then echo -e "\033[31mOnly root exec!\033[0m" fi echo -n "please input needs users:" read username if [ -z "$username" ]; then echo "please input a arguments!" else for i in $username; do if id $i &>/dev/null; then echo -e "\033[31m$i exists!\033[0m" else [ -z "$(echo $i |sed 's/[0-9]//g')" ] && echo -e "\033[31m$i is number!$i not create!\033[0m" && continue useradd $i &>/dev/null [ $? -ne 0 ] && echo -e "\033[31madd user fail\033[0m" echo "$i" |passwd --stdin $i &>/dev/null echo -e "\033[32m$i is ok!\033[0m" fi done fi ``` shell脚本 2017-03-02 评论 1714 次浏览
