Centos6.5 openssh upgrade

1. First mount the CentOS6.5 image

mkdir/mnt/cdrom

mount/dev/cdrom /mnt/cdrom

2. Modify the repo file

Vi/etc/yum.repos.d/yum.repo

[ local]

Name=local

Baseurl=file:///mnt/cdrom/Server

Enabled=1

Gpgcheck=0

3. Yum clean all

Yum install gcc*

4. Uninstall the openssh that comes with the system, stop the sshd service before uninstalling, and then delete it with rpm, and clear the system /etc/ssh directory at the same time

[ root@CentOS tmp]# service sshd stop

Stopping sshd:                                            [  OK  ]

[ root@CentOS tmp]# rpm -qa openssh

openssh-5.3p1-94.el6.x86_64

[ root@CentOS tmp]# rpm -e --nodeps openssh-server

[ root@CentOS tmp]# rpm -e --nodeps openssh-clients

[ root@CentOS tmp]# rpm -e --nodeps openssh-askpass

[ root@CentOS tmp]# rpm -e--nodeps openssh

[ root@CentOS tmp]# rm -rf /etc/ssh

Reboot! ! !

5. Upload zlib, install zlib

[ root@CentOS tmp]# tar -xvf zlib-1.2.8.tar.gz

[ root@CentOS tmp]# cd zlib-1.2.8

[ root@CentOS zlib-1.2.8]# ./configure --prefix=/usr/local/zlib &&make && make install

6. Upload the openssl file, unzip it, and open the console under the folder

. /config --prefix=/usr/local/openssl && make && make install

7. Upload the openssh file, unzip,

. /configure--prefix=/usr/ --sysconfdir=/etc/ssh --with-ssl-dir=/usr/local/openssl--with-zlib=/usr/local/zlib --with-md5-passwords --without-hardening &&make && make install

8. Modify the configuration file

[ [email protected]]# cp contrib/redhat/sshd.init /etc/init.d/sshd

[ [email protected]]# chmod +x /etc/init.d/sshd generally comes with x permissions

No need to modify files

[ [email protected]]#rpm -qa openssh

openssh-5.3p1-122.el6.x86_64

9. Add to system service

[ [email protected]]# chkconfig --add sshd

[ [email protected]]# service sshd start

10. Check version

ssh -V pay attention to capital

OpenSSH_6.6p1, OpenSSL 1.0.1e-fips 11 Feb 2013