traceroute clear history export crontab uname env printenv Conclusion 4 Preface The Linux Commands Handbook follows the 80/20 rule: learn in 20% of the time the 80% of a topic. I find this approach Linux and its commands. It focuses on the small core commands that you will use the 80% or 90% of the time, trying to simplify the usage of the more complex ones. All those commands work on Linux, and institutions, starting from the 70's The macOS terminal gives you access to the same exact commands I'll describe in the rest of this handbook. Microsoft has an official Windows Subsystem for Linux

and institutions, starting from the 70's The macOS terminal gives you access to the same exact commands I'll describe in the rest of this handbook. Microsoft has an official Windows Subsystem for Linux DigitalOcean. A shell is a command interpreter that exposes to the user an interface to work with the underlying operating system. It allows you to execute operations using text and commands, and it provides and many more! All shells originate from the Bourne Shell, called sh . "Bourne" because its creator was Steve Bourne. Bash means Bourne-again shell. sh was proprietary and not open source, and Bash

system as a post-installation user’s guide. It covers many aspects of system administration through shell-command examples for non- developers. Debian Reference iii COLLABORATORS TITLE : Debian Reference . . . . . . . . . . . . 1 1.1.1 The shell prompt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1.2 The shell prompt under GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1.4 The root shell prompt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

command line for you and me Documentation Release 0.1 Kushal Das Sep 01, 2023 Contents: 1 Shell commands 1 1.1 Terminal emulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.23 Editing longer commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 File system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3 Useful commands 13 3.1 Creating soft link to a file . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

to create a Kubernetes cluster locally or using a managed Kubernetes service: GKE The following commands create a Kubernetes cluster using Google Kubernetes Engine [https://cloud.google.com/kubernetes-engine] available. If you require Azure IPAM, refer to the AKS (Azure IPAM) installation. The following commands create a Kubernetes cluster using Azure Kubernetes Service [https://docs.microsoft.com/en-us/azure/aks/] require Azure IPAM, we recommend you to switch to the AKS (BYOCNI) installation. The following commands create a Kubernetes cluster using Azure Kubernetes Service [https://docs.microsoft.com/en-us/azure/aks/]

setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. IT services section details how to use Zabbix for a high-level notifications can be made meaningful and helpful using macro variables • automatic actions include remote commands Real-time graphing • monitored items are immediately graphed using the built-in graphing functionality script mysql.size parameter. It contained a complex bash expression and was failing if the default shell was not bash (CVE-2016-4338). 9 What’s new in Zabbix 3.0.4 1 Frontend improvements 1.1 Updated translations

Welcome to Linux command line for you and me! Contents: Shell commands Terminal emulators date command cal command whoami command id command pwd command cd command . directory and .. directory ls command around in the command line man pages Counting files in a directory Editing longer commands File system FHS Useful commands Creating soft link to a file Creating hard links Extracting a tar file Creating Encrypting drives with LUKS (for only Linux) Encrypting drives for any OS using Veracrypt Networking commands Finding the IP address Finding ARP table ping command Short note about DNS /etc/hosts /etc/resolv

setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. IT services section details how to use Zabbix for a high-level notifications can be made meaningful and helpful using macro variables • automatic actions include remote commands Real-time graphing • monitored items are immediately graphed using the built-in graphing functionality for executing operations within an action; a sequence of sending notifications/executing remote commands. media - a means of delivering notifications; delivery channel. notification - a message about

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 3 Remote commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 3 Remote commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . can quite easily retrieve, for example, the database password. Step 2 Extract Zabbix sources 65 shell> tar -zxf zabbix-1.8.tar.gz Step 3 Create the Zabbix database Zabbix comes with SQL scripts used

setting up hosts to getting essential data to viewing data to configuring notifications and remote commands to be executed in case of problems. IT services section details how to use Zabbix for a high-level notifications can be made meaningful and helpful using macro variables • automatic actions include remote commands Real-time graphing • monitored items are immediately graphed using the built-in graphing functionality agent 2 configuration files. The parameter specifies a custom directory to execute UserParameter commands from. If UserParameterDir is present, the agent will change its working directory to the one specified