# 升级之前可以做个快照,防止升级失败连不上服务器。
步骤:
[root@MiWiFi-RA69-srv ~]# yum install pam-devel libselinux-devel zlib-devel openssl-devel -y [root@MiWiFi-RA69-srv ~]# wget -c https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-8.8p1.tar.gz [root@MiWiFi-RA69-srv ~]# tar zxvf openssh-8.8p1.tar.gz [root@MiWiFi-RA69-srv openssh-8.8p1]# ./configure --prefix=/usr --sysconfdir=/etc/ssh --with-md5-passwords --with-pam --with-zlib --with-tcp-wrappers --with-ssl-dir=/usr/local/ssl --without-hardening [root@MiWiFi-RA69-srv openssh-8.8p1]# make [root@MiWiFi-RA69-srv openssh-8.8p1]# make install # 提示一个权限问题 Permissions 0640 for '/etc/ssh/ssh_host_ed25519_key' are too open. [root@MiWiFi-RA69-srv openssh-8.8p1]# cd /etc/ssh/ [root@MiWiFi-RA69-srv ssh]# chmod 600 *_key [root@MiWiFi-RA69-srv openssh-8.8p1]# cp -a contrib/redhat/sshd.init /etc/init.d/sshd [root@MiWiFi-RA69-srv openssh-8.8p1]# cp -a contrib/redhat/sshd.pam /etc/pam.d/sshd.pam [root@MiWiFi-RA69-srv openssh-8.8p1]# chmod u+x /etc/init.d/sshd [root@MiWiFi-RA69-srv openssh-8.8p1]# cat /etc/ssh/sshd_config | grep -v -E "^#|^$" PermitRootLogin yes AuthorizedKeysFile .ssh/authorized_keys PasswordAuthentication yes Subsystem sftp /usr/libexec/sftp-server [root@MiWiFi-RA69-srv openssh-8.8p1]# chkconfig --add sshd [root@MiWiFi-RA69-srv openssh-8.8p1]# chkconfig sshd on [root@MiWiFi-RA69-srv openssh-8.8p1]# service sshd restart [root@MiWiFi-RA69-srv openssh-8.8p1]# ssh -V OpenSSH_8.8p1, OpenSSL 1.0.2k-fips 26 Jan 2017
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