centos8 升级openssh-9.8p1

• 下载

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

• 解压升级包

  tar xf openssh-9.8p1.tar.gz -C /usr/local/src/

• 安装

mv /etc/ssh /etc/ssh.bak
cd /usr/local/src/openssh-9.1p1/
./configure --prefix=/usr/local/openssh --sysconfdir=/etc/ssh --with-ssl-dir=/usr/local/ssl --with-zlib=/usr/local/zlib

make -j 4 && make install

echo "X11Forwarding yes" >> /etc/ssh/sshd_config
echo "X11UseLocalhost no" >> /etc/ssh/sshd_config　　　　　　　　　　　　　　　　
echo "XAuthLocation /usr/bin/xauth" >> /etc/ssh/sshd_config
echo "UseDNS no" >> /etc/ssh/sshd_config
echo 'PermitRootLogin yes' >> /etc/ssh/sshd_config
echo 'PubkeyAuthentication yes' >> /etc/ssh/sshd_config
echo 'PasswordAuthentication yes' >> /etc/ssh/sshd_config

#备份ssh文件：
mv /usr/sbin/sshd /usr/sbin/sshd.bak
cp -rf /usr/local/openssh/sbin/sshd /usr/sbin/sshd
mv /usr/bin/ssh /usr/bin/ssh.bak
cp -rf /usr/local/openssh/bin/ssh /usr/bin/ssh 
mv /usr/bin/ssh-keygen /usr/bin/ssh-keygen.bak
cp -rf /usr/local/openssh/bin/ssh-keygen /usr/bin/ssh-keygen

• 查看ssh版本

ssh -V

• 重启SSH服务并加入自启

systemctl stop sshd.service
rm -rf /lib/systemd/system/sshd.service 
systemctl daemon-reload
cp /usr/local/src/openssh-9.1p1/contrib/redhat/sshd.init /etc/init.d/sshd
/etc/init.d/sshd restart
systemctl status sshd

chkconfig --add  sshd
chkconfig --list sshd