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Riyad Kalla

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  • Tutorials
    • Beginners Guide to Securing a Linux Server
      • Adding a non-root user
      • Setting strong passwords
      • Enabling sudo for your non-root account
      • Applying updates / Enable automatic updates
      • Disabling root login via SSH
      • Moving SSH off default port 22
      • Disabling passwords for SSH login (Use public/private keys)
      • Enabling 2-Factor Authentication with SSH
      • Disabling the root account
      • Ban Malicious IP Addresses (Fail2ban)
      • Disabling IPv6
      • Enabling the firewall
      • Hardening the Linux kernel
      • Disabling public internet connectivity
      • Securing connection between two servers
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Disabling passwords for SSH login (Use public/private keys)

WRITEUP COMING SOON

https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys-on-ubuntu-20-04

For more detail, here is an excellent tutorial from Digital Ocean on this process.

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