脚本应用之十一： 安装Telnet 服务

2211we

作用： 自动在线安装Telnet服务， 创建test账户（可选择是否开启root账户功能）
实现： yum在线安装，要求访问互联网，自动修改相关配置文件

演示：




代码专区：　

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#/bin/bash #  LY #  ------------------ #  Copyright 2016.04.16 LingYi (lydygly@163.com) QQ:1519952564 #  "install telnet service" #defaultly add a user to test: #default_user: test  default_passwd: test set +H config_file=/etc/xinetd.d/telnet rpm -q telnet-server || yum install -y telnet-server [ $? -ne 0 ] &&  { echo Install failed !; return 1; } echo "Start to config..." sed -i '/disable/s/yes/no/'  $config_file if [ $? -eq 0 ];then     sed -i '/disable/d' $config_file     sed -i '/{/a\tdisable=no' $config_file fi service iptables stop read -t 10 -p "If you want to let the root user to login?(y|n):" AN [[ $AN == 'y' ]] && for((i=0;i<=3;i++)); do echo "pts/$i">>/etc/securetty; done chkconfig --add telnet chkconfig --level 35 telnet on echo "Creating the user:test and the password is :test"| grep test --color=yes useradd test #passwd test<<eof #test #test #EOF echo "test" | passwd --stdin test [ $? -eq 0 ]&& echo "User Creating Successfully....." service  xinetd start [ $? -eq 0 ]&&echo "Successfully starting...."

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