centos7操作系统升级openssh_centos 7.3 openssh-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_39324263/article/details/113886394

本文详细描述了如何在CentOS系统中从源码编译安装OpenSSL，并同步安装OpenSSH，包括配置参数、依赖包安装、源码解压、编译安装、防火墙设置、服务启动与版本验证，以及更换YUM源以解决软件下载问题。

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#editor by zyh
tar zxvf  openssl-1.0.2l.tar.gz
cd openssl-1.0.2l
./config --prefix=/usr --shared
make && make install
#准备
yum install -y gcc openssl-devel pam-devel rpm-build  
rpm -qa |grep  openssh
#for i in $(rpm -qa |grep openssh);do rpm -e $i --nodeps;done
tar xvfz openssh-8.0p1.tar.gz
yum install openssl-devel -y


#安装
cd openssh-8.0p1
./configure --prefix=/usr --sysconfdir=/etc/ssh --with-md5-passwords--with-pam --with-tcp-wrappers  --with-ssl-dir=/usr/local/ssl --without-hardening
cp  -r /etc/ssh /etc/ssh.bak
#rm -rf /etc/ssh
make&&make install

#配置
cp contrib/redhat/sshd.init /etc/init.d/sshd
chkconfig --add sshd
chkconfig sshd on
chkconfig --list|grep sshd
#一个坑，要手动加进去
sed -i "32a PermitRootLogin yes" /etc/ssh/sshd_config
systemctl restart sshd
vim /etc/ssh/sshd_config
systemctl restart sshd
#看版本
ssh -V
#下不到软件，换个yum源
cp -r /etc/yum.repos.d /etc/yum.repos.d.bak
rm -f /etc/yum.repos.d/*
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
sed -i '/aliyuncs.com/d' /etc/yum.repos.d/*.repo

#修改ssh配置及端口配置
vim /etc/service
将ssh端口号改成相应的端口号