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linux_installation [2017/01/30 12:04] – [Security Considerations] jtkorblinux_installation [2017/01/31 06:08] jtkorb
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 ====== Linux Installation ====== ====== Linux Installation ======
 +
 +===== Useful Commands =====
 +  * ''nmcli d[evice]'' to list the network device names.  ''nmcli c[onnection]'' also works.
 +  * ''nmcli d[device] show enp4s0'' to show details of device enp4s0, including DNS servers.
 +  * Set DNS servers by editing /etc/network/interfaces and using this line: ''dns-nameservers 208.67.222.222 208.67.220.220'' (for [[https://www.lifewire.com/free-and-public-dns-servers-2626062|OpenDNS]] servers).
  
 ===== Security Considerations ===== ===== Security Considerations =====
   * Install [[http://www.fail2ban.org/wiki/index.php/Main_Page|Fail2ban]].   * Install [[http://www.fail2ban.org/wiki/index.php/Main_Page|Fail2ban]].
   * Change the ssh port.  Nice instructions at [[https://www.godaddy.com/help/changing-the-ssh-port-for-your-linux-server-7306|GoDaddy]].  Don't forget to update the router firewall port mapping.   * Change the ssh port.  Nice instructions at [[https://www.godaddy.com/help/changing-the-ssh-port-for-your-linux-server-7306|GoDaddy]].  Don't forget to update the router firewall port mapping.
linux_installation.txt · Last modified: 2017/01/31 06:35 by jtkorb