DOCSLIB.ORG

FUJITSU Server Plug-Ins for Nagios Core FUJITSU Server Plug-Ins V3.50 for Nagios Core

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
FUJITSU Server Plug-Ins for Nagios Core FUJITSU Server Plug-Ins V3.50 for Nagios Core FUJITSU Server Plug-ins for Nagios Core FUJITSU Server Plug-ins V3.50 for Nagios Core Interface Documentation March 2018 Edition Copyright 2018 FUJITSU LIMITED All hardware and software names used are trademarks of their respective manufacturers. All rights, including rights of translation, reproduction by printing, copying or similar methods, in part or in whole, are reserved. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. Delivery subject to availability. Right of technical modification reserved. FUJITSU Server Plug-ins for Nagios Core Page: 3 / 86 Keywords ServerView, Nagios, Icinga, PRIMERGY, Blade, PRIMEQUEST, RAID, CIM, iRMC, RackCDU Copyright 2012-2018 FUJITSU LIMITED All rights reserved. FUJITSU Server Plug-ins for Nagios Core Page: 4 / 86 CONTENTS 1 Introduction ..............................................................................................................................................7 1.1 Change History ..................................................................................................................................8 1.2 Documentation ..................................................................................................................................8 1.3 How to Start .......................................................................................................................................9 1.4 Protocol Overview (SNMP, CIM, REST) ........................................................................................ 10 1.5 Monitoring - Supported Features and Capabilities ......................................................................... 12 2 Requirements ........................................................................................................................................ 15 2.1 Local Requirements and Installation .............................................................................................. 15 2.1.1 SNMP ..........................................................................................................................................15 2.1.2 CIM ..............................................................................................................................................15 2.1.3 REST ...........................................................................................................................................16 2.2 Requirements for the Server to be monitored ................................................................................ 16 2.2.1 SNMP Usage ..............................................................................................................................16 2.2.2 CIM Usage ..................................................................................................................................16 2.2.3 REST Usage ...............................................................................................................................17 2.3 Nagios Core Installation Hints ........................................................................................................ 17 3 Security Hints ........................................................................................................................................ 18 3.1 Authentication and Credentials ...................................................................................................... 18 3.2 SSLv3 Usage and wbemcli (ESXi) ................................................................................................. 19 3.3 ESXi Configurations and wbemcli .................................................................................................. 19 3.4 ServerView CIM Indication Listener and SHA1 Certificate ............................................................ 19 4 Nagios Core Sample Configurations .................................................................................................. 20 4.1 Sample Configurations ................................................................................................................... 20 4.2 Nagios Host Groups and Service Definitions ................................................................................. 20 4.3 Sample Configuration Files ............................................................................................................ 21 4.4 Host Template for MMB WebServer Address or Option Settings .................................................. 21 4.5 Sample Host Definitions ................................................................................................................. 22 4.5.1 SNMP Host Samples ..................................................................................................................22 4.5.2 CIM Host Samples ......................................................................................................................22 4.5.3 REST Host Sample .....................................................................................................................23 4.6 Special Notification Command ....................................................................................................... 23 5 Common Options and Rules for All Scripts ....................................................................................... 24 5.1 Common Rules for Printouts .......................................................................................................... 24 5.1.1 Text Rules for Automatic Scanning of Printouts .........................................................................24 5.1.2 Verbose Level Usage ..................................................................................................................25 5.2 Common Script Options ................................................................................................................. 26 5.2.1 Script Processing Control Option ................................................................................................26 5.2.2 Addressing ..................................................................................................................................26 5.2.3 Connection Options.....................................................................................................................26 5.2.4 CIM Protocol Usage – CIM-XML or WS-MAN ............................................................................27 5.2.5 SNMP Authentication ..................................................................................................................27 Copyright 2012-2018 FUJITSU LIMITED All rights reserved. FUJITSU Server Plug-ins for Nagios Core Page: 5 / 86 5.2.6 CIM Authentication ......................................................................................................................28 5.2.7 REST Authentication ...................................................................................................................29 6 Check Plugin ......................................................................................................................................... 30 6.1 Check Plugin: Server Status and Performance Monitoring ............................................................ 30 6.1.1 Initial Connection Tests ...............................................................................................................30 6.1.2 System Overall Status.................................................................................................................31 6.1.3 Thermal Environment Monitoring ................................................................................................31 6.1.4 Power Monitoring ........................................................................................................................32 6.1.5 System Board Monitoring ............................................................................................................32 6.1.6 ServerView RAID and Mass Storage ..........................................................................................33 6.1.7 Driver Monitor ..............................................................................................................................33 6.1.8 ServerView Update Status ..........................................................................................................34 6.1.9 File System Usage ......................................................................................................................34 6.1.10 Memory Usage ............................................................................................................................34 6.1.11 CPU Usage .................................................................................................................................35 6.1.12 Network Interface Usage ............................................................................................................35 6.1.13 System Information in Case of WARNING or CRITICAL - for Notifications ...............................36 6.1.14 Additional System Identification Information ...............................................................................36 6.1.15 Miscellaneous Information ..........................................................................................................36 6.1.16 Nagios Configuration Samples ...................................................................................................36
Load more

Recommended publications
  • Naemonbox Manual Documentation Release 0.0.7
    NaemonBox Manual Documentation Release 0.0.7 NaemonBox Team September 16, 2016 Contents 1 Introduction 3 1.1 Target audience..............................................3 1.2 Prerequisite................................................3 2 About Naemonbox 5 2.1 Project..................................................5 2.2 Features..................................................6 3 Installation Guide 7 3.1 System requirements...........................................7 3.2 Recommended system requirements...................................7 3.3 Client Operating Systems........................................7 3.4 Openvz VPS installation.........................................8 3.5 GNU/Linux Debian 7 (or later) Installation...............................8 3.6 Installing Naemonbox..........................................8 4 Getting Started 9 4.1 Step one.................................................9 4.2 Step two................................................. 10 4.3 Step three................................................. 10 4.4 Step four................................................. 10 5 Configuring Naemon 11 5.1 Introduction............................................... 11 5.2 Actions.................................................. 11 5.3 Hosts Definition............................................. 12 5.4 Services.................................................. 13 5.5 Commands................................................ 14 5.6 Time periods............................................... 15 5.7 Contacts................................................
    [Show full text]
  • Josh Malone Systems Administrator National Radio Astronomy Observatory Charlottesville, VA
    heck What the #%!@ is wrong ^ with my server?!? Josh Malone Systems Administrator National Radio Astronomy Observatory Charlottesville, VA 1 Agenda • Intro to Monitoring • Internet protocols 101 • • Nagios SMTP • IMAP • Install/Config • HTTP • Usage • Custom plugins • Packet sniffing for dummies • Intro to Troubleshooting • Tools • telnet, openssl • grep, sed • ps, lsof, netstat 2 MONITORING 3 Automated Monitoring Workflow 4 Monitoring Packages: Open Source • • Pandora FMS • Opsview Core • Naemon • • • • • • Captialware ServerStatus • Core • Sensu All Trademarks and Logos are property of their respective trademark or copyright holders and are used by permission or fair use for education. Neither the presenter nor the conference organizers are affiliated in any way with any companies mentioned here. 5 Monitoring Packages: Commercial • Nagios XI • Groundwork • PRTG network monitor • CopperEgg • WhatsUp Gold • PRTG network monitor • op5 (Naemon) All Trademarks and Logos are property of their respective trademark or copyright holders and are used by permission or fair use for education. Neither the presenter nor the conference organizers are affiliated in any way with any companies mentioned here. 6 Why Automatic Service Monitoring? • Spot small problems before they become big ones • Learn about outages before your users do • Checklist when restoring from a power outage • Gives you better problem reports than users • Problems you might never spot otherwise • Failed HDDs in RAIDs • Full /var partitions • Logs not rotating • System temperature rising 7 Why Automatic Service Monitoring? • Capacity planning • Performance data can generate graphs of utilization • RAM, Disk, etc. • Availability reports - CAUTION • Easy to generate -- even easier to generate wrong • Make sure your configurations actually catch problems • Will also include problems with Nagios itself :( • If you’re going to quote your availability numbers (SLAs, etc.) make sure you understand what you’re actually monitoring.
    [Show full text]
  • Monitoring Bareos with Icinga 2 Version: 1.0
    Monitoring Bareos with Icinga 2 Version: 1.0 We love Open Source 1 © NETWAYS Table of Contents 1 Environment 2 Introduction 3 Host 4 Active Checks 5 Passive Events 6 Graphite 2 © NETWAYS 1 Environment 3 © NETWAYS Pre-installed Software Bareos Bareos Database (PostgreSQL) Bareos WebUI Icinga 2 IDO (MariaDB) Icinga Web 2 Graphite 4 © NETWAYS 2 Introduction 5 © NETWAYS 2.1 Bareos 6 © NETWAYS What is Bareos? Backup Archiving Recovery Open Sourced Backup, archiving and recovery of current operating systems Open Source Fork of Bacula (http://bacula.org) Forked 2010 (http://bareos.org) AGPL v3 License (https://github.com/bareos/bareos) A lot of new features: LTO Hardware encryption Bandwidth limitation Cloud storage connection New console commands Many more 7 © NETWAYS Bareos Structure 8 © NETWAYS 2.2 Icinga 2 9 © NETWAYS Icinga - Open Source Enterprise Monitoring Icinga is a scalable and extensible monitoring system which checks the availability of your resources, notifies users of outages and provides extensive BI data. International community project Everything developed by the Icinga Project is Open Source Originally forked from Nagios in 2009 Independent version Icinga 2 since 2014 10 © NETWAYS Icinga - Availability Monitoring Monitors everything Gathering status Collect performance data Notifies using any channel Considers dependencies Handles events Checks and forwards logs Deals with performance data Provides SLA data 11 © NETWAYS What is Icinga 2? Core based on C++ and Boost Supports all major *NIX and Windows platforms Powerful configuration
    [Show full text]
  • Pynag Documentation Release 0.9.0
    pynag Documentation Release 0.9.0 Pall Sigurdsson and Tomas Edwardsson July 23, 2014 Contents 1 Introduction 3 1.1 About pynag...............................................3 2 The pynag module 5 2.1 pynag Package.............................................5 2.2 Subpackages...............................................5 3 The pynag command line 85 3.1 NAME.................................................. 85 Python Module Index 89 i ii pynag Documentation, Release 0.9.0 Release 0.9.0 Date July 23, 2014 This document is under a Creative Commons Attribution - Non-Commercial - Share Alike 2.5 license. Contents 1 pynag Documentation, Release 0.9.0 2 Contents CHAPTER 1 Introduction 1.1 About pynag Pynag is a all around python interface to Nagios and bretheren (Icinga, Naemon and Shinken) as well as providing a command line interface to them for managing them. 3 pynag Documentation, Release 0.9.0 4 Chapter 1. Introduction CHAPTER 2 The pynag module 2.1 pynag Package 2.2 Subpackages 2.2.1 Control Package Control Package The Control module includes classes to control the Nagios service and the Command submodule wraps Nagios com- mands. class pynag.Control.daemon(nagios_bin=’/usr/bin/nagios’, nagios_cfg=’/etc/nagios/nagios.cfg’, na- gios_init=None, sudo=True, shell=None, service_name=’nagios’, na- gios_config=None) Bases: object Control the nagios daemon through python >>> from pynag.Control import daemon >>> >>> d= daemon() >>> d.restart() SYSTEMD = 3 SYSV_INIT_SCRIPT = 1 SYSV_INIT_SERVICE = 2 reload() Reloads Nagios. Returns Return code of the reload command ran by pynag.Utils.runCommand() Return type int restart() Restarts Nagios via it’s init script. Returns Return code of the restart command ran by pynag.Utils.runCommand() Return type int 5 pynag Documentation, Release 0.9.0 running() Checks if the daemon is running Returns Whether or not the daemon is running Return type bool start() Start the Nagios service.
    [Show full text]
  • Azure Icinga 2.5 - Client Connection Guide Scope
    Azure Icinga 2.5 - Client Connection Guide Scope The purpose of this document is to provide the steps necessary for connecting a client instance of Icinga 2, version 2.5 or later, to a master node. The steps contained within are sourced from the official Icinga 2 documentation in Section 6, "Distributed Monitoring with Master, Satellites, and Clients" This version of the documentation has been adapted to match the necessary upgrade steps for an instance of the Shadow-Soft Marketplace VHD image. Distributed Monitoring Your Shadow-Soft Marketplace VHD image for Icinga 2 is already configured with a "Master" node. If you have a second Icinga 2 node that you would like to have as a part of your monitoring environment, you can connect the two Icinga 2 daemons together securely using the included icinga2 node wizard commands. This creates an SSL-authenticated tunnel between the daemons over port 5665. This connection will allow configuration to be distributed outward to the satellite, and allow local checks on the satellite node to be executed, then communicated upstream to the master. A master node has no parent node A master node is where you usually install Icinga Web 2. A master node can combine executed checks from child nodes into backends and notifications. A satellite node has a parent node, and may have a child node. A satellite node may execute checks on its own or delegate check execution to child nodes. A satellite node can receive configuration for hosts/services, etc. from the parent node. A satellite node continues to run even if the master node is temporarily unavailable.
    [Show full text]
  • Network Monitoring Using Nagios and Autoconfiguration for Cyber Defense Competitions
    NETWORK MONITORING USING NAGIOS AND AUTOCONFIGURATION FOR CYBER DEFENSE COMPETITIONS Jaipaul Vasireddy B.Tech, A.I.E.T, Jawaharlal Nehru Technological University, India, 2006 PROJECT Submitted in partial satisfaction of the requirements for the degree of MASTER OF SCIENCE in COMPUTER SCIENCE at CALIFORNIA STATE UNIVERSITY, SACRAMENTO FALL 2009 NETWORK MONITORING USING NAGIOS AND AUTOCONFIGURATION FOR CYBER DEFENSE COMPETITIONS A Project by Jaipaul Vasireddy Approved by: __________________________________, Committee Chair Dr. Isaac Ghansah __________________________________, Second Reader Prof. Richard Smith __________________________ Date ii Student: Jaipaul Vasireddy I certify that this student has met the requirements for format contained in the University format manual, and that this Project is suitable for shelving in the Library and credit is to be awarded for the Project. __________________________, Graduate Coordinator ________________ Dr. Cui Zhang Date Department of Computer Science iii Abstract of NETWORK MONITORING USING NAGIOS AND AUTOCONFIGURATION FOR CYBER DEFENSE COMPETITIONS by Jaipaul Vasireddy The goal of the project is to monitor the services running on the CCDC (College Cyber Defense Competition) network, using Nagios which uses plugins to monitor the services running on a network. Nagios is configured by building configuration files for each machine which is usually done to monitor small number of systems. The configuration of Nagios can also be automated by using shell scripting which is generally done in an industry, where the numbers of systems to be monitored are large. Both the above methods of configuration have been implemented in this project. The project has been successfully used to know the status of each service running on the defending team’s network.
    [Show full text]
  • Performance Monitoring Using Nagios Core Hpc4e-Comcidis Vin´Icius P
    Performance Monitoring Using Nagios Core HPC4e-ComCiDis Vin´ıcius P. Kl^oh Mariza Ferro Gabrieli D. Silva Bruno Schulze LNCC { Petr´opolis,RJ Abstract The High Performance Computing for Energy (HPC4e) project aims to apply\new exascale HPC techniques to energy industry simulations, customizing them if necessary, and going beyond the state-of-the-art in the required HPC exascale simulations for different energy sources that are the present and the future of energy like, wind energy production and design, efficient combustion systems for biomass-derived fuels (biogas), and exploration geophysics for hydrocarbon reservoirs". Beyond the general objective, there are specific technical objectives that will be developed to enhance the final results. Our objective is study the mapping and optimization of the codes proposed for simulations in energy domain (atmosphere, biomass and geophysics for energy), analysing all the aspects related with the performance of these simulations' codes. Trying to meet all these objectives, we are investigating performance tools that would help our research. We investigated at first tools that enable online measurement of performance (online approaches are without code instrumentation). More specifically, in this work we present our initial work with Nagios and the hard begin to put this performance tool on work. In this work we present the steps and instructions, on how to install and configure Nagios Core to enhance it monitoring your local and remote host. July 2016 Contents 1 Introduction 2 2 Nagios Core 3 3 Install and Configure Nagios Core and Basic Plugins 4 4 Plugins 6 4.1 Install and Configure NRPE (Nagios Remote Plugin Executor) .
    [Show full text]
  • Red Hat Ceph Storage 4 Monitoring Ceph with Nagios Guide
    Red Hat Ceph Storage 4 Monitoring Ceph with Nagios Guide Monitoring Ceph with Nagios Core. Last Updated: 2021-09-14 Red Hat Ceph Storage 4 Monitoring Ceph with Nagios Guide Monitoring Ceph with Nagios Core. Legal Notice Copyright © 2021 Red Hat, Inc. The text of and illustrations in this document are licensed by Red Hat under a Creative Commons Attribution–Share Alike 3.0 Unported license ("CC-BY-SA"). An explanation of CC-BY-SA is available at http://creativecommons.org/licenses/by-sa/3.0/ . In accordance with CC-BY-SA, if you distribute this document or an adaptation of it, you must provide the URL for the original version. Red Hat, as the licensor of this document, waives the right to enforce, and agrees not to assert, Section 4d of CC-BY-SA to the fullest extent permitted by applicable law. Red Hat, Red Hat Enterprise Linux, the Shadowman logo, the Red Hat logo, JBoss, OpenShift, Fedora, the Infinity logo, and RHCE are trademarks of Red Hat, Inc., registered in the United States and other countries. Linux ® is the registered trademark of Linus Torvalds in the United States and other countries. Java ® is a registered trademark of Oracle and/or its affiliates. XFS ® is a trademark of Silicon Graphics International Corp. or its subsidiaries in the United States and/or other countries. MySQL ® is a registered trademark of MySQL AB in the United States, the European Union and other countries. Node.js ® is an official trademark of Joyent. Red Hat is not formally related to or endorsed by the official Joyent Node.js open source or commercial project.
    [Show full text]
  • ETERNUS Nagios(R)
    P3AM-7242-07ENZ0 ETERNUS Nagios® Plugin 1.6 User's Guide This page is intentionally left blank. Preface The ETERNUS Nagios® Plugin (referred to as "ETERNUS Nagios Plugin" or "this plugin" in the remainder of this manual) is a plugin that is installed in a Fujitsu server (PRIMEQUEST or PRIMERGY) or non-Fujitsu servers to monitor the ETERNUS AF series, the ETERNUS DX200F All-Flash Arrays, or the ETERNUS DX series Hybrid Storage Systems (hereinafter referred to as "ETERNUS AF/DX"). This manual provides an overview and explains how to use this plugin. In addition, refer to the manuals that are related to the ETERNUS AF/DX as necessary. Seventh Edition December 2019 Microsoft and Internet Explorer are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Red Hat is a registered trademark of Red Hat, Inc. Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries. SUSE is a registered trademark of Novell Inc. in the U.S. and other countries. Nagios, the Nagios logo, and Nagios graphics are the servicemarks, trademarks, or registered trademarks owned by Nagios Enterprises. Mozilla, Firefox, and the Mozilla and Firefox logos are trademarks or registered trademarks of the Mozilla Foundation in the United States and other countries. Other company names, product names, and service names are registered trademarks or trademarks of their respective owners. Microsoft product screen shot(s) reprinted with permission from Microsoft Corporation. 3 ETERNUS Nagios® Plugin 1.6 User’s Guide Copyright 2019 FUJITSU LIMITED P3AM-7242-07ENZ0 About This Manual Organization This manual is composed of the following six chapters and an appendix.
    [Show full text]
  • Best Practices in Monitoring
    Best Practices in Monitoring Lars Vogdt Team Lead SUSE DevOPS <[email protected]> About Lars Vogdt ● Co-developer of the SUSE School Server (2003) ● Team lead openSUSE Education since 2006 ● Team lead internal IT Services Team 2009 – 2016 ● Team lead DevOPS Team since Sep. 2016 (Main Target: Build Service) • Responsible for Product Generation, Build Service and Package Hub inside and outside SUSE ● Responsible for “monitoring packages” at SUSE 2 Control your infrastructure Optimize your IT resources ? How can you do that without knowing your requirements and your current resources ? Conclusion: Monitoring is a basic requirement before thinking about anything else... Agenda SUSE monitoring packages Tips and Tricks • Generic Tips • Examples High available and/or load balanced monitoring: one possible way to go Demos: • Icinga, PNP4Nagios, NagVis • automatic inventory via check_mk • Pacemaker / Corosync (SUSE Linux Enterprise High Availability) • (mod_)Gearman • Salt • … The future of monitoring @SUSE SUSE monitoring packages SUSE monitoring packages Official vs. unsupported Official supported server:monitoring SUSE Package Hub SUSE official repos https://download.opensuse.org/ https://packagehub.suse.com/ Nagios for <= SLES 11 Base repository for ALL New repository with checked monitoring packages packages, provided via SCC (special channel) nagios-plugins <= > 650 packages Contains packages from SLES 11 server:monitoring which saw additional reviews & testing Icinga 1 for >= SLES Newer packages, Stable, but without support. 12 via SUSE Manager including Add-Ons Rollback possible. - no support monitoring-plugins for Used heavily inside >= SLES 12 SUSE, but with no official support Tips and Tricks Monitoring? 1. Monitoring starts before a machine/service goes into production 2. Monitoring without history will not help to think about the future 3.
    [Show full text]
  • Scibian 9 HPC Installation Guide
    Scibian 9 HPC Installation guide CCN-HPC Version 1.9, 2018-08-20 Table of Contents About this document . 1 Purpose . 2 Structure . 3 Typographic conventions . 4 Build dependencies . 5 License . 6 Authors . 7 Reference architecture. 8 1. Hardware architecture . 9 1.1. Networks . 9 1.2. Infrastructure cluster. 10 1.3. User-space cluster . 12 1.4. Storage system . 12 2. External services . 13 2.1. Base services. 13 2.2. Optional services . 14 3. Software architecture . 15 3.1. Overview . 15 3.2. Base Services . 16 3.3. Additional Services. 19 3.4. High-Availability . 20 4. Conventions . 23 5. Advanced Topics . 24 5.1. Boot sequence . 24 5.2. iPXE Bootmenu Generator. 28 5.3. Debian Installer Preseed Generator. 30 5.4. Frontend nodes: SSH load-balancing and high-availability . 31 5.5. Service nodes: DNS load-balancing and high-availability . 34 5.6. Consul and DNS integration. 35 5.7. Scibian diskless initrd . 37 Installation procedure. 39 6. Overview. 40 7. Requirements . 41 8. Temporary installation node . 44 8.1. Base installation . 44 8.2. Administration environment . 44 9. Internal configuration repository . 46 9.1. Base directories . 46 9.2. Organization settings . 46 9.3. Cluster directories . 48 9.4. Puppet configuration . 48 9.5. Cluster definition. 49 9.6. Service role . 55 9.7. Authentication and encryption keys . 56 10. Generic service nodes . 62 10.1. Temporary installation services . 62 10.2. First Run. 62 10.3. Second Run . 64 10.4. Base system installation. 64 10.5. Ceph deployment . 66 10.6. Consul deployment.
    [Show full text]
  • Ubuntu Server Guide Ubuntu Server Guide Copyright © 2010 Canonical Ltd
    Ubuntu Server Guide Ubuntu Server Guide Copyright © 2010 Canonical Ltd. and members of the Ubuntu Documentation Project3 Abstract Welcome to the Ubuntu Server Guide! It contains information on how to install and configure various server applications on your Ubuntu system to fit your needs. It is a step-by-step, task-oriented guide for configuring and customizing your system. Credits and License This document is maintained by the Ubuntu documentation team (https://wiki.ubuntu.com/DocumentationTeam). For a list of contributors, see the contributors page1 This document is made available under the Creative Commons ShareAlike 2.5 License (CC-BY-SA). You are free to modify, extend, and improve the Ubuntu documentation source code under the terms of this license. All derivative works must be released under this license. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE AS DESCRIBED IN THE DISCLAIMER. A copy of the license is available here: Creative Commons ShareAlike License2. 3 https://launchpad.net/~ubuntu-core-doc 1 ../../libs/C/contributors.xml 2 /usr/share/ubuntu-docs/libs/C/ccbysa.xml Table of Contents 1. Introduction ........................................................................................................................... 1 1. Support .......................................................................................................................... 2 2. Installation ............................................................................................................................
    [Show full text]