Linux Upgrade OpenSSH

Many Linux users have recently failed to use OpenSSH, the solution is very simple, that is, install OpenSSH new version of Linux. So how does the Linux system upgrade OpenSSH?

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　　Note: Do not restart the SSHD service during the upgrade process, otherwise it will not connect remotely!!

The upgrade version is: OPENSSH-6.6P1

Upgrade Method:

1. Load local source (method not described)

2. Execute the following command

Yum Install Bash-y

Yum install-y zlib zlib-devel OpenSSL openssl-devel

TAR-ZXVF openssh-6.6p1.tar.gz-c/usr/local/src/

cd/usr/local/src/openssh-6.6p1/

Cp/etc/init.d/sshd/etc/init.d/sshd.old

TAR-CVF Ssh.bak.tar/etc/ssh

Yum Install Gcc-y

3. Uninstall the old version

Rpm-qa|grep SSH

Rpm-e openssh-server-5.3p1-81.el6.x86_64

RPM-E openssh-clients-5.3p1-81.el6.x86_64--nodeps

Rpm-qa|grep SSH

Rpm-e openssh-askpass-5.3p1-81.el6.x86_64

Rpm-e openssh-5.3p1-81.el6.x86_64

Rpm-qa|grep SSH

4. Start the upgrade

。 /configure--prefix=/usr--sysconfdir=/etc/ssh--with-zlib--with-md5-passwords

Make && make install

Mv/etc/init.d/sshd.old/etc/init.d/sshd

Mkdir-p/var/empty/sshd/etc

/etc/init.d/sshd restart

Chkconfig--add sshd

Chkconfig sshd on

Chkconfig--list|grep sshd

5. See if the upgrade was successful

Ssh-v

OPENSSH_6.6P1, OpenSSL 1.0.0-fips 2010

The above is the Linux system how to upgrade the introduction of OpenSSH, the upgrade succeeded in the old version of some problems and failures will naturally be repaired.

Linux Upgrade OpenSSH