centerOs7安装相关的应用脚本

yum -y install net-tools

#!bin/bashyum  install vim-enhanced

#!bin/bashyum -y install wget

#!bin/bash# 创建文件夹,当存在/usr/local/java文件夹时删除重建if [ ! -d '/usr/local/java']   then    mkdir /usr/local/javaelse    rm -rf /usr/local/java    mkdir /usr/local/javaficd  /usr/local/java# 下载jdk1.8压缩包wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http://www.oracle.com/; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.tar.gz"  tar -zxvf jdk-8u141-linux-x64.tar.gz  # 解压jdk压缩包mv jdk1.8.0_141/ jdk8   # 将解压的文件夹重命名vim /etc/profile # 配置环境变量    ##echo "export JAVA_HOME=/usr/local/java/jdk8">>/etc/profile#echo "export PATH=/usr/local/java/jdk8/bin:$PATH">>/etc/profile#echo "export CLASSPATH=.:/usr/local/java/jdk8/lib/dt.jar:/usr/local/java/jdk8/lib/tools.jar/usr/local/java/jdk8/jre/lib/rt.jar">>/etc/profile  source /etc/profile  # 重新加载配置
java -version #测试安装结果

export JAVA_HOME=/usr/local/java/jdk8export PATH=/usr/local/java/jdk8/bin:$PATHexport CLASSPATH=.:/usr/local/java/jdk8/lib/dt.jar:/usr/local/java/jdk8/lib/tools.jar/usr/local/java/jdk8/jre/lib/rt.jar

#!bin/bash# 创建文件夹,当存在/usr/local/tomcat文件夹时删除重建if [ ! -d '/usr/local/tomcat']   then    mkdir /usr/local/tomcatelse    rm -rf /usr/local/tomcat    mkdir /usr/local/tomcatficd /usr/local/tomcat# 下载tomcat压缩包，如果下载不了的话就取官网拿这个连接替换wget https://mirrors.bfsu.edu.cn/apache/tomcat/tomcat-9/v9.0.64/bin/apache-tomcat-9.0.64.tar.gztar -zxvf apache-tomcat-9.0.64.tar.gz  # 解压压缩包mv apache-tomcat-9.0.64 tomcat  #将解压的文件夹重命名cd /usr/local/tomcat/tomcat/bin/ # 进入tomcat的bin目录  # 向catalina.sh文件末尾写入配置echo "JAVA_OPTS=\"-Xms512m -Xmx1024m -Xss1024K -XX:PermSize=512m -XX:MaxPermSize=1024m\"">>catalina.shecho "export TOMCAT_HOME=/usr/local/tomcat/tomcat">>catalina.shecho "export CATALINA_HOME=/usr/local/tomcat/tomcat">>catalina.shecho "export JRE_HOME=/usr/local/java/jdk8/jre">>catalina.shecho "export JAVA_HOME=/usr/local/java/jdk8">>catalina.sh
cd /usr/local/tomcat/tomcat/bin
sh  startup.sh
jps
ps -ef|grep java

#!/bin/bashif [ ! -d '/usr/local/nginx' ]        then                mkdir /usr/local/nginxelse        rm -rf /usr/local/nginx        mkdir /usr/local/nginxfi
cd /usr/local/nginx
yum install gcc gcc-c++ make automake autoconf libtool pcre* zlib openssl openssl-devel
# 2022-10-18 获取最新版本http://nginx.org/download/nginx-1.23.1.tar.gz                                19-Jul-2022 14:30       wget http://nginx.org/download/nginx-1.7.0.tar.gz
tar -zxvf nginx-1.7.0.tar.gz
mv nginx-1.7.0 nginx1.7.0
cd /usr/local/nginx/nginx1.7.0/
./configure --prefix=/usr/local/nginx
make && make install
/usr/local/nginx/nginx1.7.0/sbin/nginx -s reload
firewall-cmd --state
systemctl start firewalld.service

firewall-cmd --add-port=80/tcp
cd /usr/local/nginx/sbin
./nginx./nginx -s reload
./nginx -v

#/bin/bashecho "开始平滑升级nginx，请将最新版本的nginx安装包上传到与旧版本nginx安装目录同级路径下~"
read -ep "请输入旧版本nginx安装路径：" oldNginxPath
if [ -z ${oldNginxPath} ]then        echo '未输入旧版本nginx安装路径，退出程序'        exit 1001fi
echo "旧版本的nginx版本号为：" cd ${oldNginxPath}/sbin/./nginx -v
if [ ! -d ${oldNginxPath} ]then        echo ${oldNginxPath} '不是文件夹，退出程序'        exit 1001fi
read -ep "请输入新版本nginx安装包所在的路径：" newNginxZipPathif [ -z ${newNginxZipPath} ]then        echo '未输入新版本nginx安装包所在的路径，退出程序'        exit 1001fiif [ -d ${newNginxZipPath} ]then        echo ${newNginxZipPath} '非nginx压缩包，退出程序'        exit 1001fi
cd ${oldNginxPath}cd ../
echo "开始备份旧版本的nginx..."bakNum=$(date -d  "" +%Y%m%d)cp -r ${oldNginxPath} ${oldNginxPath}${bakNum}echo " 备份旧版本的nginx完成，备份地址："${oldNginxPath}${bakNum}
echo '开始解压'${newNginxZipPath}'压缩包:'tar -zxf ${newNginxZipPath}echo '压缩包解压完毕,nginx相关的文件夹如下：'
ls ./nginx-*
read -ep "请输入解压后的nginx文件夹名称：" newNginxDirNameif [ -z ${newNginxDirName} ]then        echo '未输入解压后的nginx文件夹名称，退出程序'        exit 1001fi
cd ./${newNginxDirName}
./configure --prefix=${oldNginxPath}

make
mv ${oldNginxPath}/sbin/nginx ${oldNginxPath}/sbin/nginx_old
cp ./objs/nginx ${oldNginxPath}/sbin/
${oldNginxPath}/sbin/nginx -t
make upgrade
echo "============================================================="echo "异常示例："echo "/usr/local/nginx/sbin/nginx -tnginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is oknginx: configuration file /usr/local/nginx/conf/nginx.conf test is successfulkill -USR2 `cat ..../nginx.pid`sleep 1test -f ..../nginx.pid.oldbinkill -QUIT `cat ..../nginx.pid.oldbin`"
read -ep "请确认是否出现以下异常？y:出现，n:未出现:" iserrif [ ${iserr} != 'y' ]then    echo '升级结束'    exit 1001fi
echo "nginx.pid 文件所在如下："find / -name nginx.pid
read -ep "请输入旧版本nginx的nginx.pid路径:" oldNginxPidPathif [ -z ${oldNginxPidPath} ]then    echo '未输入旧版本nginx的nginx.pid路径,退出'    exit 1001fi
echo "nginx.pid.oldbin 文件所在如下："find / -name nginx.pid.oldbinread -ep "请输入旧版本nginx的nginx.pid.oldbin路径:" oldNginxPidOldBinPathif [ -z ${oldNginxPidOldBinPath} ]then    echo '未输入旧版本nginx的nginx.pid.oldbin路径,退出'    exit 1001fi
kill -USR2 `cat ${oldNginxPidPath}`kill -QUIT `cat ${oldNginxPidOldBinPath}`

echo "旧版本的nginx平滑升级后的版本号为：" cd ${oldNginxPath}/sbin/./nginx -v

#!/bin/bashyum install gcc-c++ -yif [ ! -d '/usr/local/redis' ]        then                mkdir /usr/local/rediselse        rm -rf /usr/local/redis        mkdir /usr/local/redisfi
cd /usr/local/redis
wget https://download.redis.io/releases/redis-6.2.4.tar.gz
tar xzf redis-6.2.4.tar.gz
cd redis-6.2.4
make
cd src
./redis-server &
./redis-cli

#!/bin/bashread -ep " please input port: " portif [ -z ${port} ]then        #port is empty        echo "port is empty ! please input port!"        exit 1001fisystemctl start firewalld.servicefirewall-cmd --state  #查看防火墙firewall运行状态firewall-cmd --add-port=${port}/tcpfirewall-cmd --list-all

#!/bin/bashcd /etc/sysconfig/network-scripts/# vi ifcfg-ens33
# 替换ifcfg-ens33 ONBOOT=no 为 ONBOOT=yessed -i "/^ONBOOT=/s/no/yes/" ifcfg-ens33
service network restartip addr

#!/bin/bashsudo yum remove docker \                  docker-client \                  docker-client-latest \                  docker-common \                  docker-latest \                  docker-latest-logrotate \                  docker-logrotate \                  docker-engine
sudo yum install -y yum-utils \  device-mapper-persistent-data \  lvm2
sudo yum-config-manager \    --add-repo \    http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sudo yum install docker-ce docker-ce-cli containerd.io
yum list docker-ce --showduplicates | sort -r
# 注意此处的版本号 20.10.8 可以根据自己需要进行修改。当脚本执行到 上一句 时，界面会列出docker版本，选择对应的版本号修改即可。如下图所示sudo yum install docker-ce-20.10.8 docker-ce-cli-20.10.8 containerd.io
sudo systemctl start docker
docker images

#!/bin/bashrpm -ivh /usr/local/sofeware/rabbitmq3.8.8/installPage/erlang-21.3-1.el7.x86_64.rpm
yum install socat -y 
rpm -ivh  /usr/local/sofeware/rabbitmq3.8.8/installPage/rabbitmq-server-3.8.8-1.el7.noarch.rpm
# rabbitmq 开机自启chkconfig rabbitmq-server on
# rabbitmq 关闭/sbin/service rabbitmq-server stop
# rabbitmq 查看运行状态/sbin/service rabbitmq-server status
# rabbitmq 自启浏览器端管理界面rabbitmq-plugins enable rabbitmq_management
# 开启管理界面的端口firewall-cmd --add-port=15672/tcp
# 开启访问的端口firewall-cmd --add-port=5672/tcp
# 查看已经存在的rabbitmq 用户 rabbitmqctl list_users
# 创建登录管理界面的用户，身份授权为管理员# 账号：root# 密码：rootrabbitmqctl add_user root root
# 设置root用户的角色 为 administratorrabbitmqctl set_user_tags root administrator
# 给 root 分配权限rabbitmqctl  set_permissions -p "/" root ".*" ".*" ".*"
# 运行rabbitMq/sbin/service rabbitmq-server start
/sbin/service rabbitmq-server status

rabbitmq-plugins enable rabbitmq_delayed_message_exchange

systemctl restart rabbitmq-server

#!/bin/bashecho "请将mysql的安装包放在 /usr/local/ 目录下"read -ep " 已放入请输入 yes : " isYesif [ "yes" == ${isYes} ]then  if [ ${isYes} == "yes" ]   then    read -ep " 请输入压缩包名称 : " name    if [ -z ${name} ]    then          echo "未输入。退出！"            exit 1001    fi    cd /usr/local/    tar -zxvf ${name}    echo " 以下为当前目录下MySQL相关的文件夹 "    ls |grep mysql         read -ep  "请输入解压后的文件夹名称："  dirName    if [ -z ${dirName} ]     then              echo "未输入解压后的文件夹名称。退出！"           exit 1001    fi
    mv ./${dirName} ./mysql    mv ./${name} ./mysql/    echo "已经将文件夹："${dirName}"名称修改为mysql，并将压缩包"${name}"放入该文件夹下，如下"    cd ./mysql    ll    echo "正在创建mysql用户和用户组，并给当前文件夹授权"    groupadd mysql    useradd -r -g mysql mysql    chown -R mysql:mysql ./          echo "即将开始初始化mysql,请注意日志中打印的初始默认密码，并将密码复制保存。格式：root@localhost: 初始化密码"      read -ep "继续输入yes：" startInitMysqlOption    if [ "yes" == ${startInitMysqlOption} ]    then      echo "开始初始化："      bin/mysqld  --initialize  --user=mysql  --basedir=/usr/local/mysql  --datadir=/usr/local/mysql/data      systemctl start firewalld.service      firewall-cmd --add-port=3306/tcp      firewall-cmd --list-all      echo "初始化完成"      cd /etc/      ls | grep my.cnf      read -ep "以上是否列出：my.cnf 和 my.cnf.d  ? 存在输入：yes" ishaveMycnf      if [ "yes" == ${ishaveMycnf} ]      then        mv ./my.cnf ./my_bak.cnf        touch my.cnf                echo "[mysqld]" >> my.cnf        echo "basedir=/usr/local/mysql" >> my.cnf        echo "datadir=/usr/local/mysql/data" >> my.cnf        echo "port=3306" >> my.cnf        echo "socket=/tmp/mysql.sock" >> my.cnf        echo "pid-file=/usr/local/mysql/$hostname.pid" >> my.cnf         echo "sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES" >> my.cnf
        # 最后my.cnf的配置如下        # [mysqld]        # basedir=/usr/local/mysql        # datadir=/usr/local/mysql/data        # port=3306        # socket=/tmp/mysql.sock        # pid-file=/usr/local/mysql/$hostname.pid        # sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
        echo "export  MYSQL_HOME" >> /etc/profile        echo "MYSQL_HOME=/usr/local/mysql" >> /etc/profile        echo "export  PATH=$PATH:$MYSQL_HOME/lib:$MYSQL_HOME/bin" >> /etc/profile                        read -ep "MySQL是否设置开机自动启动？yes 自启 ，no 不自启：" autoStart        if [ "yes" == ${autoStart} ]        then          cp /usr/local/mysql/support-files/mysql.server   /etc/init.d/mysql          chmod +x  /etc/init.d/mysql          chkconfig  --add mysql          chkconfig --list        fi
        # 启动mysql 重启命令：service mysql restart        service mysql start         source /etc/profile                read -ep "是否进入MySQL操作？yes进入，no不进入" enterMysql        if [ "yes" == ${enterMysql} ]         then          echo "请输入初始化时复制的密码进行登录"          mysql -uroot -p         else           echo "结束退出"          exit 1001;        fi              else        echo "未确认my.cnf是否存在，退出！"        exit 1001      fi    else      echo "未确认，退出！"      exit 1001    fi  else    echo "退出！"          exit 1001  fielse        echo "未确认！"        exit 1001fi

alter user  'root'@'localhost' identified by '新设置的密码';# 例如alter user  'root'@'localhost' identified by 'root';

exit;

show databases;

create user root@'%' identified by 'root'; grant all privileges on *.* to root@'%' with grant option;

#!/bin/bash/read -ep '请确认当前该机器是否是用于放文件（是:y  否：n）:' typesif [ 'y' == ${types} ] then  yum install nfs-utils -y
  notPath=0 
   read -ep '请输入用于共享的文件目录，不输入则默认使用 /mnt目录共享：'  path   if [ -z ${path} ]    then          notPath=1    fi      read -ep '* 请输入可操作该目录的其他ip：'  ipaddress    if [ -z ${ipaddress} ]    then          echo '未设置ip'          exit 1001   fi
  echo '操作该目录的ip可分配的权限如下：'            echo 'ro 该主机对该共享目录有只读权限'    echo 'rw 该主机对该共享目录有读写权限'    echo 'root_squash 客户机用root用户访问该共享文件夹时，将root用户映射成匿名用户'    echo 'no_root_squash 客户机用root访问该共享文件夹时，不映射root用户'    echo 'all_squash 客户机上的任何用户访问该共享目录时都映射成匿名用户（nfsnobody）'    echo 'no_all_squash 与all_squash取反（默认设置）'    echo 'anonuid=XXX 将客户机上的用户映射成指定的本地用户ID的用户（UID=xxx）'    echo 'anongid=XXX 将客户机上的用户映射成属于指定的本地用户组ID （GID=xxx）'    echo 'sync 资料同步写入到内存与硬盘中，效率低，但可以保证数据的一致性'    echo 'async 资料会先暂存于内存中，而非直接写入硬盘'    echo 'insecure 允许从这台机器过来的非授权访问'    echo 'subtree_check 如果共享/usr/bin之类的子目录时，强制NFS检查父目录的权限（默认）'    echo 'no_subtree_check 和上面相对，不检查父目录权限'    echo 'wdelay 检查是否有相关的写操作，如果有则将这些写操作一起执行，这样可以提高效率（默认设置）'    echo 'no_wdelay 如果多个用户要写入NFS目录，则立即写入，当使用async时，无需此设置。若有写操作则立即执行，应与sync配合使用'    echo 'hide 在NFS共享目录中不共享其子目录'    echo 'no_hide 共享NFS目录的子目录'    echo 'secure NFS通过1024以下的安全TCP/IP端口发送'    echo 'insecure NFS通过1024以上的端口发送'
  echo '请根据以上列出的权限，给操作IP分配权限，分配格式如下：(权限1,权限2,权限3,...)，不分配权限时，自动分配(rw,sync,no_root_squash,no_subtree_check) 权限!'                read -ep '* 请输入权限：'  setAuth        if [ -z ${setAuth} ]        then               echo '未设置权限，使用默认(rw,sync,no_root_squash,no_subtree_check)'               setAuth='(rw,sync,no_root_squash,no_subtree_check)'        fi
        if [ ${notPath} -eq 0 ]        then                echo "配置：${path} ${ipaddress}${setAuth}"                echo "${path} ${ipaddress}${setAuth}" >> /etc/exports         else                echo "配置：/mnt ${ipaddress}${setAuth}"                echo "/mnt ${ipaddress}${setAuth}" >> /etc/exports        fi                exportfs -rv    echo ''    echo '挂载配置/etc/exports如下：'        cat /etc/exports          echo '若配置修改，请执行命令：exportfs -rv  刷新配置'elif [ 'n' == ${types} ]then     yum install nfs-utils -y                notPaht=0        read -ep '请输入要挂载的目录，不输入默认/mnt ' client_path        if [ -z ${client_path} ]        then                notPath=1        fi                read -ep '请输入挂载主机的ip' master_ip        if [ -z ${master_ip}]        then                echo '未输入主机ip'                exit 1001        fi
        echo "${master_ip} 可挂载的目录如下："        showmount -e ${master_ip}                echo ''        read -ep "请输入可挂载的目录" catsetPath        if [ -z ${catsetPath} ]        then                echo '未输入目录'                exit 1001        fi                if [ 0 -eq ${notPath} ]        then                mount -t nfs ${master_ip}:${catsetPath} ${client_path} -o nolock
                echo "${master_ip}:${catsetPath} ${client_path} nfs defaults 1 1" >> /etc/fstab        else                 mount -t nfs ${master_ip}:${catsetPath} /mnt -o nolock                 echo "${master_ip}:${catsetPath} /mnt nfs defaults 1 1" >> /etc/fstab
        fi        echo "查看挂载结果："    mount --verbose        echo '查看/etc/fstab 配置：'        cat /etc/fstabelse        echo '输入错误'        exit 1001fi

#!/bin/bash/# 安装ntpsudo yum -y install ntp# 将服务器的时区设置为上海timedatectl set-timezone Asia/Shanghai
read -ep '是否使用网络上的时间校准服务器【服务器地址：pool.ntp.org】？（是:y  否：n）:' typesif [ 'y' == ${types} ] then  ntpdate pool.ntp.org  echo "系统当前时间："  date "+%Y-%m-%d %H:%M:%S"else  read -ep '请输入校准时间服务器的IP地址:' timeIp  if [ -z ${timeIp}]     then         echo '未输入校准时间服务器的IP地址'         exit 1001    fi    ntpdate ${timeIp}    echo "系统当前时间："  date "+%Y-%m-%d %H:%M:%S"fi

#!/bin/bashecho "查询IP地址信息："ip addr show
echo ""
echo "查询MAC地址："ip link show
echo　""

echo "内存总大小:"free -h
echo ""
echo "磁盘总大小:"df -h --total
echo ""echo "cpu信息:"lscpu    
echo ""echo "操作系统信息："cat /proc/version

#!/usr/bin/
now=`date "+%Y%m%d%H%M%S"`echo "openssh当前版本信息如下："ssh -Vecho ""echo ""
if [ ${USER} != 'root' ]then      echo "非root用户,退出脚本"      exit 1001fi
if [ ! -e "/root/openssh-9.4p1.tar.gz" ]then  echo "未上传 openssh-9.4p1.tar.gz 安装包，退出"  echo "请将【openssh-9.4p1.tar.gz】安装包上传到/root目录下"  exit 1001fi

echo "开始检查gcc环境"gcc --versionread -ep "是否存在gcc版本信息？【y.存在  n.不存在】" ishavegccif [ 'y' != "${ishavegcc}" ]then  echo "安装gcc：yum -y install gcc gcc-c++ glibc make autoconf openssl openssl-devel pcre-devel pam-devel"  yum -y install gcc gcc-c++ glibc make autoconf openssl openssl-devel pcre-devel pam-devel  echo "不存在gcc信息，请安装gcc环境，退出"  exit 1001fi
echo "开始检查openssl环境"openssl versionread -ep "openssl版本是否>=1.1.1？【y.是  n.否】" versionsslif [ 'y' != "${versionssl}" ]then  echo "openssl版本过低，请升级，退出"  exit 1001fi
yum install -y openssl-devel
if [ ! -d  /usr/local/openssh ]then  echo "开始创建openssh新的安装目录： /usr/local/openssh"  mkdir -p  /usr/local/opensshfi
echo "开始备份/etc/下的ssh文件"echo "备份前文件如下："ls -l /etc | grep sshecho "备份后文件如下："mv /etc/ssh{,.bak_`date "+%Y%m%d%H%M%S"`}ls -l /etc | grep sshecho "/etc/下的ssh文件备份完成"echo ""
cd /rootecho "开始解压openssh-9.4p1.tar.gz安装包"tar -zxvf openssh-9.4p1.tar.gzpwdecho ""
echo "进入解压后的文件夹/root/openssh-9.4p1 中"cd openssh-9.4p1pwdecho ""
echo "开始进行环境配置"./configure --prefix=/usr/local/openssh  --sysconfdir=/etc/ssh --with-openssl-includes=/usr/local/include --with-ssl-dir=/usr/local/lib64 --with-zlib --with-md5-passwords --with-pamecho "环境配置完成"echo ""
echo "开始编译"makeecho "编译完成"echo ""
echo "开始编译安装"make installecho "编译安装完成"echo ""
echo "开始修改ssh的配置文件：/etc/ssh/sshd_config文件"echo "/etc/ssh/sshd_config配置文件维修改前："cat /etc/ssh/sshd_config | grep -v "#" | grep -v "^$"echo ""echo "/etc/ssh/sshd_config配置文件维修改后："echo "UseDNS no" >> /etc/ssh/sshd_configecho 'PermitRootLogin yes' >> /etc/ssh/sshd_configecho 'PubkeyAuthentication yes' >> /etc/ssh/sshd_configecho 'PasswordAuthentication yes' >> /etc/ssh/sshd_configecho "X11Forwarding yes" >> /etc/ssh/sshd_configecho "X11UseLocalhost no" >> /etc/ssh/sshd_configecho "XAuthLocation /usr/bin/xauth" >> /etc/ssh/sshd_configecho "配置文件修改完成,修改后的配置文件如下："cat /etc/ssh/sshd_config | grep -v "#" | grep -v "^$"echo ""
echo "开始备份原有的sshd二进制文件："echo "备份前/usr/sbin 文件如下:"ls -l /usr/sbin | grep sshdecho "备份后/usr/sbin 文件如下:"mv /usr/sbin/sshd{,.bak_`date "+%Y%m%d%H%M%S"`}ls -l /usr/sbin | grep sshdecho ""echo "备份前/usr/bin 文件如下:"ls -l /usr/bin | grep sshecho "备份后/usr/bin 文件如下:"mv /usr/bin/ssh{,.bak_`date "+%Y%m%d%H%M%S"`}mv /usr/bin/ssh-keygen{,.bak_`date "+%Y%m%d%H%M%S"`}ls -l /usr/bin | grep sshecho "备份sshd二进制文件完成"echo ""
echo "开始创建sshd二进制文件软连接："ln -s /usr/local/openssh/bin/ssh /usr/bin/sshecho "/usr/local/openssh/bin/ssh ----> /usr/bin/ssh"ln -s /usr/local/openssh/bin/ssh-keygen /usr/bin/ssh-keygenecho "/usr/local/openssh/bin/ssh-keygen ----> /usr/bin/ssh-keygen"ln -s /usr/local/openssh/sbin/sshd /usr/sbin/sshdecho "/usr/local/openssh/sbin/sshd ----> /usr/sbin/sshd"echo "sshd二进制文件软连接创建完成"
echo "openssh 更新完成，当前版本信息如下："ssh -V
echo "开始重启ssh"service sshd restart