Leibnix – Page 7 – IT and more

run command with sudo without password

January 17, 2025

The -s parameter is so that it does not ask you for a password. the command is: example: This is very useful for a script […]

Switch user without using sudo

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| linux

This is very useful if you don’t want to use sudo. In my case I changed the permissions of /etc/sudoers and I could no longer […]

shut down ubuntu server

January 15, 2025

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| linux

run the command

connect ubuntu server to the internet

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| linux, server

It is a very simple process, but you need to know a few things. first access via ethernet cable: I have a 10-meter Ethernet cable […]

download an ubuntu package manually and install it

January 13, 2025

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| linux

you will need a USB flash drive. What we will do is like running ‘sudo apt-get install package’, but since we do not have an […]

use vim

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| information, linux, vim

For unix-like systems vim comes installed by default If you have a graphical operating system, vim is not very useful, you can use a graphical […]

give permissions to a file

January 12, 2025

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| linux

the command is The first digit (7) refers to the permissions of the file owner.The second digit (7) refers to the permissions of the group […]

access a server via ssh

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| linux, server, ssh

access a server and its port via ssh port is the port number that the SSH server is using (by default, port 22). Let’s say […]

create a file and rename it

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| linux

This works for unix-like systems. create a file You will probably be asked for the password. rename a file obviously you must have superuser permissions, […]

ssl certificate in a java spring boot application

January 6, 2025

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| ssl

HTTPS (Hypertext Transfer Protocol Secure) is a secure communication protocol used to transfer data between a web browser and a web server. HTTPS is a […]