NTP stands for Network Time Protocol and is used for clock synchronization across multiple computers. An NTP server is responsible for keeping a set of computers in sync with each other. On a local network, the server should be able to keep all client systems to within a single millisecond of each other.
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How to Update Ubuntu packages on Ubuntu 22.04 Jammy Jellyfish Linux
One of the main attractions of Ubuntu 22.04 has got to be the fact that the operating system and the software it runs are free. Unlike proprietary systems, software updates on Ubuntu 22.04 Jammy Jellyfish are absolutely free – you never have to worry about shelling out money for the latest and greatest applications or upgrades.
Disable Automatic Updates on Ubuntu 22.04 Jammy Jellyfish Linux
In this short tutorial, you will learn how to disable automatic package updates on Ubuntu 22.04 Jammy Jellyfish Linux. You will see how to disable automatic updates via both command line and GUI. Although this goes against general security recommendations, this will prevent your package manager from being tied up in the background when you need to use it.
How to check my IP address on Ubuntu 22.04 Jammy Jellyfish Linux
The objective of this tutorial is to learn how to identify internal and external IP address on Ubuntu 22.04 Jammy Jellyfish Linux. This can be accomplished via command line and GUI. We will cover the step by step instructions for both methods below.
Linux IP forwarding – How to Disable/Enable using net.ipv4.ip_forward
It may be necessary to configure Linux IP forwarding on a Linux system in certain scenarios. If the Linux server is acting as a firewall, router, or NAT device, it will need to be capable of forwarding packets that are meant for other destinations (other than itself).
Ubuntu Static IP configuration
This tutorial will deal with Ubuntu static IP address configuration. It will provide the reader with a step by step procedure how to set static IP address on Ubuntu Server via netplan and Ubuntu Desktop using NetworkManager. Static IP address is recommended for servers as the static address does not change as oppose to a dynamic IP address assignment via DHCP server.
Forgot ubuntu server password?
If you have forgotten the password to your Ubuntu Linux server account, you do not necessarily have to go back to square one and reinstall the whole operating system. It is possible to recover and reset the server password, whether it be the root user account or a normal user, even without the old password. In this tutorial, we will take you through the step by step instructions of recovering a forgotten root or normal account password on an Ubuntu server.
How to enable and disable SSH for user on Linux
After installing SSH on your Linux system, one of the most important security practices it to make sure that the service is only enabled for intended accounts. If you have one or more accounts which do not need SSH access, then the service should be disabled for those accounts. This is to prevent one being exploited, or maybe you just do not want that particular user to be using SSH to access the server.
Kill multiple processes in Linux
At any given moment your Linux system is running multiple processes simultaneously. Therefore, it is an important skill to know how to manage processes and how to terminate them if the need arises. The process can be terminated with various commands such as kill, killall, and pkill.
How to enable hugepages on Linux
Computer memory is allocated to processes as pages. Usually these pages are rather small, meaning that a process consuming a lot of memory will also be consuming a lot of pages. Searching through a multitude of pages can result in system slow downs, which is why some servers can benefit from enabling huge pages.
How to set or change boot partition flag on Linux
The boot partition flag is used to indicate that an MBR partition is bootable. Although MBR has been superseded by GUID Partition Table in recent years, MBR is still very prevalent across many systems. The boot loader resides on a bootable partition and is what tells your system where to look for the operating system.
Fedora Download
The Fedora Linux distribution is sponsored and backed by Red Hat. It’s available for free and acts as a sort of testing ground for Red Hat’s flagship operating system, Red Hat Enterprise Linux. As a result, Fedora contains many of the newest ideas and bleeding edge technology.