System Tools

Introduction> Introduction # A Linux server, like any modern computer, runs multiple applications. These are referred to and managed as individual processes. While Linux will handle the low-level, behind-the-scenes management in a process’s life-cycle – i.

Introduction> Introduction # Something that can discourage Arch Linux newcomers is the lack of official packages downloadable with its standard package manager pacman. In this article, I hope to explain why Arch has chosen to work this way, as well as how you can easily acquire just about any package in it.

Introduction> Introduction # Logical Volume Management, or LVM, is a storage device management technology that gives users the power to pool and abstract the physical layout of component storage devices for flexible administration.

Introduction> Introduction # Navigating and manipulating files and folders in the filesystem is a key part of working with most computers. Cloud servers mostly use the same common Linux shells, and common Linux commands, for working with files and folders.

Introduction> Introduction # Initialization is a crucial procedure that lies at the heart of any Unix-based operating system to control the operation of every script and service. This is essential in a server environment, where issues can occur at the critical points of startup and shutdown, and where ensuring optimal performance is a priority.

Introduction> Introduction # LDAP systems can seem difficult to manage if you do not have a good grasp on the tools available and the information and methods that LDAP requires. In this guide, we will be demonstrating how to use the LDAP tools developed by the OpenLDAP team to interact with an LDAP directory server.

Status: Deprecated> Status: Deprecated # This article covers a version of CentOS that is no longer supported. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.

Introduction> Introduction # The fuser command is a Linux utility designed to find which process is using a given file, directory, or socket. It also provides information about the user owning running that process, and the type of access.

Introduction> Introduction # Setting up a good firewall is an essential step to take in securing any modern operating system. Most Linux distributions ship with a few different firewall tools that we can use to configure our firewalls.

Introduction> Introduction # SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a Debian server, chances are you will spend most of your time in a terminal session connected to your server through SSH.

Introduction> Introduction # One problem users run into when first learning how to work with Linux is how to find the files they are looking for. This guide will cover how to use the aptly named find command.

Introduction> Introduction # Terraform is a tool for building and managing infrastructure in an organized way. You can use it to manage DigitalOcean Droplets, Load Balancers, and even DNS entries, in addition to a large variety of services offered by other providers.

Introduction> Introduction # Gathering information about your systems and applications can give you the information you need to make informed decisions about your infrastructure, servers, and software. There are many different ways to acquire this kind of information, and display it in a way that allows for easy comprehension.

The author selected the Tech Education Fund to receive a donation as part of the Write for DOnations program. Introduction> Introduction # Samba is an open-source implementation of the SMB/CIFS networking protocol used in Windows environments for shared services such as file and printer access and Active Directory.

Introduction> Introduction # LDAP systems are often used to store user account information. In fact, some of the most common methods of authenticating to LDAP involve account information stored within LDAP entries.

Introduction> Introduction # SSH, or secure shell, is a secure protocol and the most common way of safely administering remote servers. Using a number of encryption technologies, SSH provides a mechanism for establishing a cryptographically secured connection between two parties, authenticating each side to the other, and passing commands and output back and forth.

Introduction> Introduction # Zabbix is open-source monitoring software for networks and applications. It offers real-time monitoring of thousands of metrics collected from servers, virtual machines, and any other kind of network device.

Introduction> Introduction # Jenkins is an open source automation server intended to automate repetitive technical tasks involved in the continuous integration and delivery of software. Jenkins is Java-based and can be installed from Ubuntu packages or by downloading and running its Web application ARchive (WAR) file — a collection of files that make up a complete web application which is intended to be run on a server.

Introduction> Introduction # SSH is a secure protocol used as the primary means of connecting to Linux servers remotely. It provides a text-based interface by spawning a remote shell. After connecting, all commands you type in your local terminal are sent to the remote server and executed there.

Introduction> Introduction # One essential tool to master as a system administrator is SSH. SSH, or Secure Shell, is a protocol used to securely log onto remote systems. It is the most common way to access remote Linux servers.