# Prepare .ssh folder and files mkdir ~/.ssh chmod 700 ~/.ssh touch ~/.ssh/authorized_keys ~/.ssh/config ~/.ssh/known_hosts chmod 600 ~/.ssh/authorized_keys ~/.ssh/config ~/.ssh/known_hosts # Generating SSH keys ssh-keygen -t rsa -b 2048 -C "email@example.com" # Pull id_rsa.pub from remote ssh host "cat ~/.ssh/id_rsa.pub" >> ~/.ssh/authorized_keys # Push id_rsa.pub to remote ssh host "cat - >> ~/.ssh/authorized_keys" < ~/.ssh/id_rsa.pub
# create a certificate for ssh key: $ openssl req -new -x509 -key ~/.ssh/id_rsa -out ~/.ssh/id_rsa.pem # import it in GnuPG $ openssl pkcs12 -export -in ~/.ssh/id_rsa.pem -inkey ~/.ssh/id_rsa -out ~/.ssh/id_rsa.p12 $ gpg --import ~/.ssh/id_rsa.p12
# keep master connection open to speed up usage ssh -N firstname.lastname@example.org chmod 700 ~/.gnupg chmod 600 ~/.ssh/id_rsa chmod 644 ~/.ssh/id_rsa.pub # Create a public SSH key from the private key ssh-keygen -f ~/.ssh/id_rsa -y > ~/.ssh/id_rsa.pub # Compare a remote file with a local file ssh user@host cat /path/remotefile | diff /path/localfile - # SSH network throughput test yes | pv | ssh user@host "cat > /dev/null"
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Since 2009 to 2015