Atlantic.Net Blog

How to Use chown (Change Ownership) Command in Linux

The chown command stands for change owner is a Linux command-line tool used to change the file and directory ownership. In Linux, only root and admin users can access all files and directories in the file system. Each file and directory is associated with an owner and group owner. You can’t access any files that are owned by other users. In such a case, you will need to change the owner of the file to grant file access. The chown command allows you to grant read, write and execute level permission on files and directories.

In this post, we will show you how to use chown command in Linux.

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How to Use chgrp (Change Group Ownership) Command in Linux

In Linux, each file and directory is associated with a user and group owner to decide which user and group can read, write and execute the file and directory. The chgrp command is used to change the group ownership of files and directories on Linux. Unlike the chown command, the chgrp command just requires you to specify a group name.

In this post, we will show you how to use the chgrp command in Linux for various system administration situations.

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How to Generate Self-Signed SSL Certificates Rocky Linux 8

SSL (Secure Sockets Layer) and TLS (Transport Layer Security) are security protocols used to secure web traffic between the web server and the client’s web browser. Generally, they are used to protect confidential data such as credit card data, login credentials, and other private information. Unlike other types of SSL certificates, a self-signed SSL certificate is a certificate signed by an individual who owns it. Typically, self-signed SSL certificates are totally free and are used for testing purposes on the locally hosted web server.

In this post, we will show you how to generate a self-signed SSL certificate in Rocky Linux 8.

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How to Install Suricata IDS on Rocky Linux 8

Suricata is a free, open-source, independent threat detection engine developed by the Open Information Security Foundation. It is a flexible, high-performance intrusion detection system (IDS), intrusion prevention system (IPS), and network security monitoring (NSM) tool that can detect and block attacks against your network. The IDS analyses network traffic and detects known attacks by matching signatures, while the IPS has the ability to stop a packet from being delivered depending on the attack detected.

In this post, we will show you how to install Suricata IDS on Rocky Linux 8.

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How to Install LFTP to Download and Upload Files in Linux

LFTP is a Linux command-line utility used to download and upload files from one server to another. It can transfer files via FTP, FTPS, HTTP, HTTPS, FISH, SFTP, BitTorrent, and FTP over HTTP proxy. It also supports the FXP protocol that allows data transfers between two FTP servers bypassing the client machine. It offers some useful features. Some of them are listed below:

  • File directories recursive copying
  • Segmented file transfer
  • Recursive copying of file directories
  • Resuming partial downloads
  • Transfer queues

In this post, we will show you how to install and use LFTP to download and upload files in Linux.

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How to Change or Set User Passwords in Linux

Hitesh Jethva April 6, 2022 by under Tutorials, VPS Hosting 0 Comments

When working in a Linux operating system, a password is the first line of defense to secure the system. It is recommended to change the user password in Linux to reinforce security and make the system harder to breach. passwd is a command-line utility in Linux used to update a user’s authentication password stored in /etc/shadow file. A root or superuser can change the password of any user account while a normal user can only change the password for his/her own account.

When changing a user password in Linux, you should follow the below guidelines:

  • A password must be strong, at least eight characters or more.
  • Use both upper and lowercase letters to make to the password strong.
  • Avoid any dictionary word, your name, surname, or your birth date in a password.

In this post, we will show you how to change or set user passwords in Linux.

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How to Download File Using Wget in Linux

wget is a Linux command-line utility used to download files and web pages from the internet. It supports several internet protocols including HTTP, HTTPS, and FTP to access and retrieve the files. You can use different options with the wget command to perform a variety tasks. The wget utility is very useful on slower and unstable internet connections. The wget command keeps trying until the entire file has been retrieved in the event of a download failure.

Features

  • Downloads multiple files at once.
  • Define download speed and bandwidth limit.
  • Allows resuming a failed download.
  • Download complete web and FTP sites.
  • Support for SSL/TLS for encrypted downloads.
  • Download files through proxies.

In this post, we will show you how to use the wget command to download files in Linux.

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How to Install and Use Pigz to Compress File in Linux

Pigz stands for “Parallel Implementation of GZip,” which is a compression tool used to compress and uncompress files in Linux. It is written using the most commonly used zipping library functions. Pigz is the improved version of the older gzip utility that leverages multiple cores and processors to compress data. It can be able to archive larger files much faster than with gzip.

In this post, we will show you how to compress and decompress files in parallel using Pigz in Linux.

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Announcing Windows Server 2022 Datacenter Desktop Experience

Editorial Team March 25, 2022 by under Announcements 0 Comments

The Atlantic.Net Cloud Platform (ACP) announced support for Windows Server 2022 in November 2021. We were one of the very first cloud providers to offer the very latest version of Microsoft’s award-winning Operating System.

Today we are proud to support the Windows Server 2022 Datacenter Desktop Experience, a finely tuned desktop-focused edition customized for the Atlantic.Net cloud platform.

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