Category : SSH

To test, you will need a client and test server. The client server is where we generate the keys. When we generate keys, there will be a private key and a public key. Then we copy the public key to the test server. When we ssh to the test server, the private key we have ..

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Generating OpenSSH-compatible Keys for Use with PuTTY To generate a set of RSA keys with PuTTYgen: Start the PuTTYgen utility, by double-clicking on its .exe file; For Type of key to generate, select RSA; In the Number of bits in a generated key field, specify either 2048 or 4096 (increasing the bits makes it harder ..

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Using a text editor, create a file in which to store your private key. This example uses the file private_key.txt. To edit the file in nano, type the following command # nano deployment_key.txt Paste the private key into the file. Be sure to include the BEGIN and END lines. —–BEGIN RSA PRIVATE KEY—– MIIEowIBAAKCAQEAx9ODcgSZFhPnZmW/VGWy/bXLKFBhOoTP9k4dhcJq17ZuG9KB … ..

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Here is how to keep your ssh session from freezing and how to keep ssh alive. Edit your ssh config file. Change to the following variables # nano /etc/ssh/sshd_config TCPKeepAlive yes ClientAliveInterval 60 ClientAliveCountMax 10000 Then, restart ssh On CentOS: # service sshd restart Stopping sshd: [ OK ] Starting sshd: [ OK ] TCPKeepAlive ..

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Source: http://www.howtogeek.com/121650/how-to-secure-ssh-with-google-authenticators-two-factor-authentication/ Also, for CentOS: http://www.tecmint.com/ssh-two-factor-authentication/ Want to secure your SSH server with easy-to-use two-factor authentication? Google provides the necessary software to integrate Google Authenticator’s time-based one-time password (TOTP) system with your SSH server. You’ll have to enter the code from your phone when yo..

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Want to change the ssh port for ssh? Here is a good tutorial. (Note: If you are making these changes – ssh to the server and keep the terminal open as you make the changes. Test with a new terminal. This way if something is amiss – you are not locked out.) Edit /etc/ssh/sshd_config, enter: ..

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