Leibnix – Page 4 – IT and more

PHP in linux

September 23, 2025

To install a PHP code runner on an Ubuntu server, you must use the apt package manager. The simplest way is to install the base […]

SCP

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| information

scp (Secure Copy Protocol) allows you to securely copy files between your computer and a remote server, or between two remote servers. It’s similar to […]

pipes | in linux

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| information, linux, pipe, proccess-information

Pipes in Linux, represented by the vertical bar symbol |, are a fundamental feature that allows you to redirect the output of one command to […]

Wi-Fi with Netplan

September 21, 2025

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| interface, internet, linux, netplan, wifi, WPA_supplicant

I really wanted to avoid using Netplan, but it worked for me. I have Linux as my operating system, the Ubuntu Server distribution (it doesn’t […]

extend sudo duration

September 19, 2025

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| information, linux, server, sudo

You must create a file in The file you created in the /etc/sudoers.d/ directory can have any name. It is recommended to use a name […]

journalctl

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| information, linux

journalctl is a command-line tool used to view and query the event logs generated by the systemd logging system, known as the Journal. journalctl has […]

run a script at startup with systemd

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| automatic, information, linux, script

This works for Linux I have Linux Ubuntu Server Create a new service file in the systemd directory. The file name must end with .service. […]

wpa_supplicant manual command

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| information, linux, WPA_supplicant

wlxbcec2304ec is a network interface wpa_suplicant.conf is: -c /etc/wpa_supplicant/wpa_supplicant.conf: The -c argument tells wpa_supplicant where to find its configuration file. This file contains information about […]

rename file in linux

September 18, 2025

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| information, linux, server

I have Linux, the Ubuntu Server distribution. example The system renames 09-newcard.network to 99-newcard.network sudo gives you root permissions, that is, superuser

configure wifi only with systemd/networkd

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| information, linux, server, wifi, WPA_supplicant

This post is a continuation of On modern Linux systems, you can configure only one file (systemd/networkd without wpa_supplicant) networkd/systemd uses wpa_supplicant, but the configuration […]