下载地址 :https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/
wget https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-8.0p1.tar.gz
- 为避免出现失误,开启telnet登录
systemctl stop firewalld
yum install telnet-server
yum install xinetd
service xinetd start
vim /etc/securetty #添加root登录,pts/0
可通过 tail -f /var/log/secure 获取root对应的pts数字
- 升级openssh
systemctl stop sshd
yum install -y openssl openssl-devel
tar -zxvf openssh-8.0p1.tar.gz
cd openssh-8.0p1
./configure && make && make install
ssh -V
service sshd start
systemctl start firewalld
systemctl stop xinetd