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1、更新

apt update

2、安装依赖

apt-get install build-essential zlib1g-dev libssl-dev libpam0g-dev

3、新建文件夹

mkdir /usr/local/ssh

4、进入新建文件夹

cd /usr/local/ssh

5、下载openssh9.8p1安装包

wget https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-9.8p1.tar.gz

6、当前文件夹解压

tar zxvf openssh-9.8p1.tar.gz

７、进入解压文件夹

cd  openssh-9.8p1

８、配置

./configure --without-openssl-header-check
注：如果配置过程报“configure: error: *** zlib.h missing - please install first or check config.log ***”之类的错误，安装
sudo apt-get update  
sudo apt-get install zlib1g-dev
注：如果配置过程报“configure: error: *** working libcrypto not found, check config.log”
sudo apt-get update  
sudo apt-get install libssl-dev

９、编译及安装

make && make install

１０、重启ssh

systemctl  restart ssh

１１、查看ssh及sshd的运行状态

systemctl status ssh  
systemctl status sshd
ssh　-V
sshd　-V