Putty Key Login Linux

In the work if the root user password leaked, that the consequences are quite serious, in the remote login to Linux as far as possible not to use the root password, using putty Xshell ... Can do this,

Preparation: Putty software (why not Xshell. Wait, because they seem to want money ... ): http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html

vmware+centos6.6 can Baidu

Start your experiment: The first step into Linux Vi/etc/sysconfig/network-scripts/ifcfg-eth0

Ontoot setting whether the boot starts

Bootproto set IP to get in a way that has DHCP dynamic static

IPADDR IP Address Gateway gateways DNS1 you know that.

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Step Two: Open the folder where you installed the Putty and punch the icon that the red arrow refers to

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Fourth step: After entering in the root home directory in the new. SSH directory in this directory to create new Authorized_keys and modify. SSH permissions for 700,authorized_keys are 600 (why one is 7,001 is 600 because the directory has X permissions)

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Fifth step: Go back to the folder where you installed the putty and punch the red arrow to generate the key.

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Seventh Step: Copy the Public key, set the key password, save the private key

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Eighth step: Key generation OK, enter Linux open. SSH directory put the copied public key into Authorized_keys and save

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Nineth step: Turn off firewall selinux

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Tenth step: Hit a new window select the session just click on the red arrow, complete the Import private key, click Open

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After the call, you can now log in with your key password.

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PostScript: If the server refused our key when logged in is very likely because the problem of the virtual machine caused SELinux has not been killed, then just restart Linux on the landing can be (I tried once)

Putty Key Login Linux