文档介绍：Openssh升级方案一、准备安装包1、确定操作系统uname-acat/etc/redhat-release2、将安装包和系统ISO镜像上传服务器zlib----server--x86_64-.d/[Server]name=Serverbaseurl=file:///xxxx/iso/Server(xxxx/iso为新建的iso目录来存放挂载后的操作系统镜像)enabled=1gpgcheck=(在xxxx目录下新建iso文件夹)mount–tiso9660/dev/cdrom/xxxx/、、d、make、pam-devel、zlib等yum–yinstall*gcc*yum–yinstall**yum–yinstall*d*yum–yinstall*make*yum–yinstall*pam-devel*yum–yinstall*zlib*3、配置文件vi/etc/=,保证后续远程配置正常进行vi/etc/:#auth[user_unknown=ess=okignore=ignore#auth_err=diedefault=bad]、拷贝安装包至/usr/local/src目录,并解压修改权限cpzlib-------Ropenssh--Ropenssl-–Rzlib--qa|egrep"gcc|make|perl|pam|pam-devel"如缺包请自行设置本地Yum源进行安装yum-*makeperlpampam-devel如果报publickeyforsinjdoc--,则执行如下命令:(需要导入rpm的签名信息)#rpm--import/etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release二、程序升级1、停止ssh服务servicesshdstop2、备份脚本和程序cp/etc/、卸载原openssh#rpm-qa|grepopenssh//查询系统原安装的openssh包全部卸载。根据查出的结果使用如下进行删除。(#rpm-eopenssh--nodeps#rpm-eopenssh-server--nodeps#rpm-eopenssh-clients--nodeps#rpm-eopenssh