#linuxpro

[linuxtechlab]

If you are trying to install a new Ubuntu version or just want to see how a new version of Ubuntu looks like, then the best way to do so is to create and use a Live USB aka Ubuntu bootable USB.

Not only can we install or test Ubuntu, but we can also use it as a personal operating system that can be used on any Laptop or Desktop without having to make any major changes to the systems.

You will need the following to create a Ubuntu Bootable USB from the command line or CLI,

   USB drive / Pendrive with at least 4 GB capacity    Ubuntu ISO file (get it from HERE Get Ubuntu | Download | Ubuntu)    a Linux system (here we are using Ubuntu only but this tutorial will work for all Linux systems)

Once you have all these then, we can proceed to create a Ubuntu Bootable USB.

[joptimisemonpc]

Quelle Distribution Linux La Plus Recommandée Pour Les Débutants ?

https://www.joptimisemonpc.com/quelle-distribution-linux-la-plus-recommandee-pour-les-debutants/

#Linux #linuxfan #linuxmint #linuxadmin #linuxhosting #linuxindonesia #linuxday #linuxgames #linuxkeough #linuxthedog #linuxmasterrace #linuxcards #linuxuserofficial #linuxcrew #linuxer #linuxpro

[how-to-wp]

WordPress 4.9 mit Verbesserungen bei Customizer und Code-Bearbeitung ist da - t3n Magazin

t3n Magazin

WordPress 4.9 mit Verbesserungen bei Customizer und Code-Bearbeitung ist da t3n Magazin WordPress 4.9 bringt Syntax-Highlighting und Prüfung auf Fehler in das HTML-Widget, das Feld für eigenes CSS im Customizer sowie die Plugin- und Theme-Editoren. Bei letzteren wurden außerdem Sicherheitsmechanismen eingebaut, um das Produzieren ... WordPress 4.9 „Tipton“ veröffentlichtPC-Welt WordPress 4.9 »Tipton« veröffentlicht - Pro-LinuxPro-Linux all 9 news articles »

http://ift.tt/2zYxJDK

[aravikumar48]

IFS - Internal Field Separator in Shell Scripts - Tech Arkit

#linux #linuxformat #linux4ever #Linux #linuxadmin #linuxshell #linuxuserofficial #linuxfan #linuxcentos #linuxpenguin #linuxcards #linuxbased #linuxkeough #linuxthedog #linuxinside #linuxcomics #linuxpro #linuxservers #linuxlife #linuxforever #linuxgames #linuxforhumanbeings #linuxmasterrace #linuxubuntu #linuxthebengal #linuxlover #linuxkernel #linuxekibi #linuxhosting #linuxgamer

[linuxtechlab]

When we install a Linux distribution, we see that a number of directories are created. These created directories may be the same or partially different on various Linux distributions.

You might know about the directory structures & what purpose they serve. For those of you who don’t know about the Linux directory structure or have partial knowledge or just want to relook on Linux directory structure & its usage, this article will act as a reference guide.

We will start out this article with the Linux directories/partitions that are a must for every Linux system & are required for the Linux system to work properly. 3

These partitions are ‘/’ (root), ‘/boot’, ‘/swap’. Though the ‘/’ (root), ‘/boot’ partitions are absolutely required but a system might work without a swap partition, however, it's recommended that we have one for our Linux system.

[linuxtechlab]

Terraform is one of the most widely used applications to use the Infrastructure as Code. It is available for almost all the cloud service providers out there & also can be used for in-house solutions.

Terraform can be used to create a single instance or a complete data center. Not only instances, but we can also perform networking, DNS, or firewall management using the terraform scripts.  In this tutorial, we will discuss some of the important Terraform commands that we should know.

[linuxtechlab]

Learn how to install / enable SSH server on Ubuntu 21.04 or older versions.

In most of the Linux distributions, SSH comes installed & we can access those servers using ssh command but with Ubuntu Desktop (& based distros) that is not the case. We are required to install SSH on Ubuntu to be able to access it.

Though we have an ssh client available on Ubuntu, it’s the ssh server that we need to install on Ubuntu. It means we can access other servers from Ubuntu using ssh but other machines will not be able to access our Ubuntu systems.

[linuxtechlab]

When it comes to Linux permissions, things can get pretty tricky. Unless you are an admin user, like root, then you won’t have access to files or directories that were created by other users. In order to access those files, either their permissions should be updated to be available for other users or we can change ownership of the files.

In this tutorial, we will discuss what to do if you are required to change ownerships of files or directories. We would be discussing how to change ownership of files & directories using the ‘chown command’.

[linuxtechlab]

In this tutorial, we will discuss how we can install ADB & FastBoot on Ubuntu. This tutorial can be used to install ADB & FastBoot on Ubuntu 21.04 or older versions as well.

[linuxtechlab]

This is a complete step-by-step guide on how to create a clone from an existing Virtual Machine in VirtualBox.

Using this tutorial, we can create an Ubuntu VM clone, a CentOS VM clone, or for that matter any Linux or Windows VM clone.

[linuxtechlab]

This is a complete step-by-step guide on how to install Ubuntu 21.04 (Hirsute Hippo) or any other Ubuntu version you want.

We will be installing Ubuntu on VirtualBox, the same method can be used to install Ubuntu on Desktop or Laptop as well.

[linuxtechlab]

Checking logs is an important activity to see what’s happening on your Linux servers, especially when you are trying to locate an issue. It easy when you are just managing 2, 3 servers but what to do when you are handling 50 or 100 servers?

That’s when Centralized log management comes into the picture. We can sync all the Linux server logs (auth logs, cron logs, syslogs, etc) to a single Linux server so that we have access to logs of all the servers, whether 1 or 100, on a single server & when we are required to check logs, we will just login to a single server & will have access to logs from all servers.

This is also useful when you don’t plan to give access to servers to all the individuals but we can just give access to a centralized logs server & they can see logs from that single machine only.

[linuxtechlab]

One of the most annoying things according to me while managing servers is trying to search for a file in Linux servers. At one point or another, we are required to find a file’s location in a Linux server where you need to make changes or have to locate a file with logs, backup, etc.

In this tutorial, we will learn how to search a file in Linux, using the following two commands,

1- Find command

2- Locate command

Let’s discuss these two commands find / locate a file in Linux, one by one.

[linuxtechlab]

DHCP servers are used almost in all organizations or even in our home routers for assigning IP addresses to get access to the internet. Usually, when we enable our network interface on our CentOS 7 or 8 systems, an IP address is assigned automatically through that DHCP server & we have access to the internet or to our LAN network. But we might be required to assign static IP addresses in our CentOS 7 or 8 machines.

So what do we do? We need to manually assign a static IP address to our servers. In this tutorial, we will learn how to assign static IP addresses in CentOS 7 or 8 machines.

[linuxtechlab]

In this tutorial, we will learn how to upgrade Ubuntu 18.04 or 20.04 to Ubuntu 21.04. Ubuntu 21.04 aka ‘Hirsute Hippo’ has released on 22nd April 2021. Ubuntu 21.01 has introduced a number of changes like,

Dark theme by default

Linux 5.11 kernel

Wayland as default session

Private home directory

New desktop icons extension

LibreOffice 7.1

Python 3.9 by default

Though you will not be getting the latest version of GNOME or gtk4, but you can expect them in future releases. Now let's proceed on the steps involved to upgrade Ubuntu 18.04 / 20.04 to Ubuntu 21.04.

[linuxtechlab]

In this tutorial, we will learn how to perform Ubuntu backups using Timeshift. Timeshift is a fabulous tool that is used for the backup & restoration of the Linux operating system, it takes incremental backup after the first initial complete backup. TImeshit creates filesystem snapshots using Rsync or BTRFS. It has a nice GUI as well as support for CLI.

Timeshifts also have support for scheduled snapshots, multiple backup levels & also exclude filters. Snapshots can be easily restored even if the system is running from a Live CD or USB.