Today we see how to shut down a computer with Debian physically without launching the “poweroff” command line or GUI interaction. Enabling this function can be useful if we are operating on a headless server (a home server for example) to which no peripherals are connected. Without having to connect in SSH Read more…
A few articles ago we talked about screen: a command line application that allows you to create virtual sessions containing virtual terminal windows to which we can connect or disconnect at will via the current terminal session. Screen is a very powerful program, intuitive after a few uses, what can he do Read more…
The SSH protocol (Secure SHell) is an encrypted protocol used to establish secure connections between two machines: customer e server. By itself it's already a pretty secure protocol, but with SSH keys you can close SSH access to only specific machines. Here's how. In this mini-guide we will see how Read more…
Today we see how to control a remote machine via gui with VNC through a secure SSH tunnel. For the uninitiated, in a nutshell, VNC (Virtual Network Computing) is a remote display system that allows you to see an environment “desktop” (GUI) running not only on the machine on which Read more…
Today we talk about rsync: a command-line program that synchronizes a source with a local or remote destination. In today's example we will be synchronizing two local directories. I recently offered my girlfriend a backup of her photos. I migrated my data to a local server and the Read more…
The wget error we are talking about today can happen for several reasons. It may be that wget does not support https downloads properly due to the security protocol options, or for certificate errors, or more. Usually the wget command is used to download files Read more…
Today we see how to use screen. I recently had to run commands that expected a very long duration on a remote server. In my latest article, eg, I described how to transfer data between an older NAS and a modern NAS via FTP. In that case I have Read more…
Today's case is very niche and I'm not sure there are many users who need a mini-guide like today's. But this happened to me and now I'll tell you about it. I recently purchased an older HP N40L Proliant Microserver, on which I installed Read more…
Sometimes, especially when we are dealing with offices where security is taken with a light heart, it happens that we do not find the root password or the password of a system user. When the system is Linux get access to the files again (Related articles Read more…
From time to time I happened to draw up illustrative documents to be delivered in PDF. It goes without saying that by containing every type of image and illustration, the PDF ended up weighing several MB. One of the solutions I initially adopted was to use a compression service Read more…