共享茶室加盟为什么不能做割韭菜模式
1、依赖软件包：
yum install wget gcc -y
yum install -y zlib-devel openssl-devel
yum install pam-devel libselinux-devel zlib-devel openssl-devel -y
2、下载安装包OpenSSH8.5上传至服务器或wget直接下载
wget https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-8.5p1.tar.gz
3、删除低版本OpenSSH的的rpm包
rpm -e –nodeps `rpm -qa | grep openssh`
4、安装openssh
（1）.解压
tar -zxvf openssh-8.5p1.tar.gz
cd openssh-8.5p1
（2）.配置
./configure –prefix=/usr –sysconfdir=/etc/ssh –with-md5-passwords –with-pam –with-zlib –with-tcp-wrappers –with-ssl-dir=/usr/local/ssl –without-hardening
（3）.编译安装
make
make install
（4）赋权
chmod 600 /etc/ssh/ssh_host_rsa_key /etc/ssh/ssh_host_ecdsa_key /etc/ssh/ssh_host_ed25519_key
（5）复制配置文件并设置允许root用户远程登录
cp -a contrib/redhat/sshd.init /etc/init.d/sshd
cp -a contrib/redhat/sshd.pam /etc/pam.d/sshd.pam
chmod u+x /etc/init.d/sshd
修改配置文件/etc/ssh/sshd_config
1.修改#PermitRootLogin prohibit-password项，去掉注释#并把prohibit-password改为yes，修改后即为PermitRootLogin yes
2.去掉注释#PasswordAuthentication yes变为PasswordAuthentication yes
（6）添加添加自启服务ssh到开机启动项
chkconfig –add sshd
chkconfig sshd on
（7）重启服务
systemctl restart sshd
（8）查看下安装结果：
ssh -V
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