How to add a temporary static route with ip route and a persistent route with netplan in Ubuntu 18.04, 20.04, 22.04 and 24.04.
In this post we see how to add a static route in Ubuntu using ip route and netplan.
The ip route command is useful for adding a temporary route. To keep the route configured persistently in Ubuntu 18.04, 20.04, 22.04 and 24.04, we will use netplan.
Do you want to send emails from your Linux server but you don’t have an email server?
This feature is specially useful to provide feedback or results from your custom made scripts or any other piece of software that needs an SMTP to send emails. Continue reading “Configure Postfix as SMTP Relay using Gmail”
How to increase swap memory? And how to add this memory at startup?
If we need to increase memory swap, we can do it with a swap formatted file. Continue reading “Adding Swap memory at system startup”
In this small tip, we will see how to disable automatic updates in ubuntu.
Make sure you use sudo or you are connected as root to be able to edit the config files. Continue reading “Disable Ubuntu automatic updates”
How to connect to a Linux ssh server without using a password?
Let’s imagine there is a “Server” with user “Admin” and we want to connect with our “client” machine with username “User”. Continue reading “SSH Passwordless Login”
How do I perform a Backup? Can I perform a remote backup? How can I keep it synchronized by transferring only the changes since the last backup?
In this post we are going to perform a backup and learn how to keep it fresh.
It is important to clarify that this method can be used to perform a “system backup”, but it is not the target of this post.
The objective is to perform a backup of a concrete path and keep it synchronized by copying only the modifications since the previous backup. That is going to save time and resources as only the changes will be transferred. Continue reading “Backup with rsync”
