centos7 openssh升级7.8

最新推荐文章于 2025-07-12 11:45:47 发布

原创最新推荐文章于 2025-07-12 11:45:47 发布 · 2k 阅读

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CC 4.0 BY-SA版权

本文档提供了详细的步骤来禁用系统上的SELinux，并重新配置SSH服务，包括更改SELinux状态、修改DNS解析设置、备份和更新SSHD配置、安装和设置OpenSSH等。

#!/usr/bin/bash
setenforce 0;
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config;
echo "nameserver 114.114.114.114" >>/etc/resolv.conf;
cp /etc/pam.d/sshd /etc/pam.d/sshd_bak;
cp -a /etc/ssh /home/ssh;
rm -rf /etc/ssh;
mkdir /etc/ssh;
cp /root/openssh7.8sp1* /home/ssh/;
cd /home/ssh;
tar -xvf openssh7.8sp1.rpm.tar.gz;
cd x86_64;
yum localinstall -y *.rpm;
chmod 600 /etc/ssh/ssh_host_ed25519_key;
chmod 600 /etc/ssh/ssh_host_ecdsa_key;
sed -i "32 aPermitRootLogin yes" /etc/ssh/sshd_config;
service sshd restart;
chkconfig sshd on;
sed -i '/nameserver/d' /etc/resolv.conf;