I’m unable to access external websites or specific URLs, including the one you provided. However, I can certainly help you create a markdown article explaining how to set up L2TP over IPSec and how to port forward the necessary ports. Here’s a guide on how to do it:

Creating an L2TP over IPSec VPN

In this guide, we will walk you through the process of setting up your own L2TP (Layer 2 Tunneling Protocol) VPN over IPSec (Internet Protocol Security). This will allow you to establish a secure connection to your home network or server from a remote location.

We have provided a set of commands for working with GPG keys, encrypting and decrypting files, and extracting tar archives. These commands are useful for various tasks related to data security and file management. Here’s a breakdown of each command with a brief explanation:

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scp example-backup-enc-privkey.asc [email protected]:~/
gpg --import example-backup-enc-privkey.asc
gpg --edit-key [email protected]

> trust
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quit

• The scp command is used to securely copy the GPG private key file (example-backup-enc-privkey.asc) to another PC with the specified IP address and destination folder (~ denotes the user’s home directory).

If you want to establish an SSH connection to your “linux server” from the outside without configuring port forwarding on your router, you can use SSH remote port forwarding. This technique allows you to connect to an external server (let’s call it “my_other_server”) and have it forward traffic back to your “linux server.” Here’s how you can do it:

1. SSH from linux_server to my_other_server:

   Open a terminal on your “linux server” and use the following command to initiate an SSH connection to “my_other_server,” specifying remote port forwarding:

If you have a Gmail account, you can configure your Mail Transfer Agent (MTA) to relay outgoing mail through Gmail. This provides you with the reliability and infrastructure of Gmail for sending emails from the command line. In this tutorial, we’ll use Postfix as our MTA, which is a secure and open-source mail transfer agent. We’ll cover instructions for various operating systems.

You want to change the home directory for users in Cygwin to their Windows profile directory. You’ve already identified the relevant configuration file, /etc/nsswitch.conf, and the db_home parameter. Here’s how you can change the home directory to the Windows profile directory using this configuration:

1. Open /etc/nsswitch.conf: Use your preferred text editor (e.g., nano, vim, or notepad) to open the /etc/nsswitch.conf file in Cygwin.

2. Edit the db_home parameter:

   Locate the line that starts with db_home:. You’ve already made the necessary change, but make sure it looks like this:

Locales (language settings) can be configured for Ubuntu from the command line. This guide is applicable to Ubuntu 11.10 and provides steps for displaying current settings, available locales, and adjusting locales as needed.

Displaying the Current Settings

You can check the current locale settings using the locale command: