Sleepless in Seattle No Longer
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Shell Scripting with Bash
Introduction to Shell Scripting with Bash Charles Jahnke Research Computing Services Information Services & Technology Topics for Today ● Introductions ● Basic Terminology ● How to get help ● Command-line vs. Scripting ● Variables ● Handling Arguments ● Standard I/O, Pipes, and Redirection ● Control Structures (loops and If statements) ● SCC Job Submission Example Research Computing Services Research Computing Services (RCS) A group within Information Services & Technology at Boston University provides computing, storage, and visualization resources and services to support research that has specialized or highly intensive computation, storage, bandwidth, or graphics requirements. Three Primary Services: ● Research Computation ● Research Visualization ● Research Consulting and Training Breadth of Research on the Shared Computing Cluster (SCC) Me ● Research Facilitator and Administrator ● Background in biomedical engineering, bioinformatics, and IT systems ● Offices on both CRC and BUMC ○ Most of our staff on the Charles River Campus, some dedicated to BUMC ● Contact: [email protected] You ● Who has experience programming? ● Using Linux? ● Using the Shared Computing Cluster (SCC)? Basic Terminology The Command-line The line on which commands are typed and passed to the shell. Username Hostname Current Directory [username@scc1 ~]$ Prompt Command Line (input) The Shell ● The interface between the user and the operating system ● Program that interprets and executes input ● Provides: ○ Built-in commands ○ Programming control structures ○ Environment -
Exam 70-797: Configuring Windows Devices (Pilot) – Skills Measured
Exam 70-797: Configuring Windows Devices (pilot) – Skills Measured Audience Profile This exam validates a candidate’s fundamental knowledge and skills for building solid identities, protection of content (data loss protection), mobile device management policy, virtualization with Hyper-V, application management using the Company Portal and the Windows Store. Candidates will be evaluated on Windows 10 security and integrated Azure features. In addition to their professional experience, candidates who take this exam should already have the following technical knowledge: Experience with Windows desktop administration, maintenance, and troubleshooting Basic experience and understanding of Windows networking technologies Introductory-level knowledge of Active Directory and Microsoft Intune Candidates can take this exam and meet the prerequisites by obtaining equivalent knowledge and skills through practical experience as a Windows device support technician or a Windows device system administrator. Skills Measured NOTE: The bullets that appear below each of the skills measured are intended to illustrate how we are assessing that skill. This list is not definitive or exhaustive. NOTE: In most cases, exams do NOT cover preview features, and some features will only be added to an exam when they are GA (General Availability). Manage identity (13%) Support Windows Store and cloud apps install and manage software by using Microsoft Office 365 and Windows Store apps, sideload apps by using Microsoft Intune, sideload apps into online and offline images, deeplink apps by using Microsoft Intune, integrate Microsoft account including personalization settings Support authentication and authorization identifying and resolving issues related to the following: Multi-factor authentication including certificates, Microsoft Passport, virtual smart cards, picture passwords, and biometrics; workgroup vs. -
Eaton Intelligent Power® Protector User’S Guide
Eaton Intelligent Power® Protector User’s Guide Eaton Intelligent Power® Protector – User’s Guide – / AI-1.28 www.eaton.com Table of Contents 1 Introduction .................................................................................................................. 4 2 Installation .................................................................................................................... 5 2.1 Installation Prerequisites .................................................................................................................. 5 2.1.1 On the System Hosting « Intelligent Power® Protector » .............................................................. 5 2.1.2 On the System that Displays Web-based Graphical User Interface............................................. 6 2.2 Quick Start & Installation .................................................................................................................. 7 2.3 Windows Installation ......................................................................................................................... 9 2.3.1 Graphical installation .................................................................................................................... 9 2.3.2 Installation / Uninstallation from command line .......................................................................... 10 2.3.3 Uninstalling the Product .............................................................................................................. 11 2.4 Linux Installation ............................................................................................................................. -
Run-Commands-Windows-10.Pdf
Run Commands Windows 10 by Bettertechtips.com Command Action Command Action documents Open Documents Folder devicepairingwizard Device Pairing Wizard videos Open Videos Folder msdt Diagnostics Troubleshooting Wizard downloads Open Downloads Folder tabcal Digitizer Calibration Tool favorites Open Favorites Folder dxdiag DirectX Diagnostic Tool recent Open Recent Folder cleanmgr Disk Cleanup pictures Open Pictures Folder dfrgui Optimie Drive devicepairingwizard Add a new Device diskmgmt.msc Disk Management winver About Windows dialog dpiscaling Display Setting hdwwiz Add Hardware Wizard dccw Display Color Calibration netplwiz User Accounts verifier Driver Verifier Manager azman.msc Authorization Manager utilman Ease of Access Center sdclt Backup and Restore rekeywiz Encryption File System Wizard fsquirt fsquirt eventvwr.msc Event Viewer calc Calculator fxscover Fax Cover Page Editor certmgr.msc Certificates sigverif File Signature Verification systempropertiesperformance Performance Options joy.cpl Game Controllers printui Printer User Interface iexpress IExpress Wizard charmap Character Map iexplore Internet Explorer cttune ClearType text Tuner inetcpl.cpl Internet Properties colorcpl Color Management iscsicpl iSCSI Initiator Configuration Tool cmd Command Prompt lpksetup Language Pack Installer comexp.msc Component Services gpedit.msc Local Group Policy Editor compmgmt.msc Computer Management secpol.msc Local Security Policy: displayswitch Connect to a Projector lusrmgr.msc Local Users and Groups control Control Panel magnify Magnifier -
The Linux Command Line
The Linux Command Line Fifth Internet Edition William Shotts A LinuxCommand.org Book Copyright ©2008-2019, William E. Shotts, Jr. This work is licensed under the Creative Commons Attribution-Noncommercial-No De- rivative Works 3.0 United States License. To view a copy of this license, visit the link above or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042. A version of this book is also available in printed form, published by No Starch Press. Copies may be purchased wherever fine books are sold. No Starch Press also offers elec- tronic formats for popular e-readers. They can be reached at: https://www.nostarch.com. Linux® is the registered trademark of Linus Torvalds. All other trademarks belong to their respective owners. This book is part of the LinuxCommand.org project, a site for Linux education and advo- cacy devoted to helping users of legacy operating systems migrate into the future. You may contact the LinuxCommand.org project at http://linuxcommand.org. Release History Version Date Description 19.01A January 28, 2019 Fifth Internet Edition (Corrected TOC) 19.01 January 17, 2019 Fifth Internet Edition. 17.10 October 19, 2017 Fourth Internet Edition. 16.07 July 28, 2016 Third Internet Edition. 13.07 July 6, 2013 Second Internet Edition. 09.12 December 14, 2009 First Internet Edition. Table of Contents Introduction....................................................................................................xvi Why Use the Command Line?......................................................................................xvi -
Windows 10 Anniversary Update Battery Life and Performance
Windows 10 Anniversary Update Battery Life and Performance Jessie Labayen Principal Program Manager Delivering great battery life Delivering great performance and experiences Component Screen On Standby Video Web Selection Idle Playback browsing Platform chipset IHV Part #A Display size and resolution IHV Part #B Touch controller IHV Part #C Memory type and Size IHV Part #D Storage IHV Part #E Wi-Fi IHV Part #F Mobile broadband IHV Part #G Sensors IHV Part #H PMIC, battery controller IHV Part #I Other parts IHV Part #J,K Total Avg Power (mW) Battery Capacity (Whr) Est. Runtime with battery (hr) Avoid periodic disk activity like logging http://msdn.microsoft.com/en- us/library/windows/apps/hh913756.aspx Scenarios (browsing, full screen video playback, productivity, casual gaming) Tools Mobile & Desktop Modern Standby (MS) Overview Operating System Connected Modern Supported Sleep States S3 + S4 S3 + S4 S3 + S4 Standby + S4* Standby + S4* Devices Architecture X86/X64 X86/X64 X86/X64/ARM X86/X64 X86/X64/ARM The first iteration of Modern Standby was called Connected Standby and first shipped in Windows 8. Modern Standby expands the Windows 8 Connected Standby concept, allowing more flexibility in component selection. * S4 is only supported on X86/X64 Modern Standby is a Windows feature that is automatically enabled if the device meets all the hardware (new low power state) and firmware requirements What is new about this low power state is unlike S3 where the device is not active, a modern standby device remains active when the screen is off -
Shell Variables
Shell Using the command line Orna Agmon ladypine at vipe.technion.ac.il Haifux Shell – p. 1/55 TOC Various shells Customizing the shell getting help and information Combining simple and useful commands output redirection lists of commands job control environment variables Remote shell textual editors textual clients references Shell – p. 2/55 What is the shell? The shell is the wrapper around the system: a communication means between the user and the system The shell is the manner in which the user can interact with the system through the terminal. The shell is also a script interpreter. The simplest script is a bunch of shell commands. Shell scripts are used in order to boot the system. The user can also write and execute shell scripts. Shell – p. 3/55 Shell - which shell? There are several kinds of shells. For example, bash (Bourne Again Shell), csh, tcsh, zsh, ksh (Korn Shell). The most important shell is bash, since it is available on almost every free Unix system. The Linux system scripts use bash. The default shell for the user is set in the /etc/passwd file. Here is a line out of this file for example: dana:x:500:500:Dana,,,:/home/dana:/bin/bash This line means that user dana uses bash (located on the system at /bin/bash) as her default shell. Shell – p. 4/55 Starting to work in another shell If Dana wishes to temporarily use another shell, she can simply call this shell from the command line: [dana@granada ˜]$ bash dana@granada:˜$ #In bash now dana@granada:˜$ exit [dana@granada ˜]$ bash dana@granada:˜$ #In bash now, going to hit ctrl D dana@granada:˜$ exit [dana@granada ˜]$ #In original shell now Shell – p. -
Sleep 2.1 Manual
Sleep 2.1 Manual "If you put a million monkeys at a million keyboards, one of them will eventually write a Java program. The rest of them will write Perl programs." -- Anonymous Raphael Mudge Sleep 2.1 Manual Revision: 06.02.08 Released under a Creative Commons Attribution-ShareAlike 3.0 License (see http://creativecommons.org/licenses/by-sa/3.0/us/) You are free: • to Share -- to copy, distribute, display, and perform the work • to Remix -- to make derivative works Under the following conditions: Attribution. You must attribute this work to Raphael Mudge with a link to http://sleep.dashnine.org/ Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under the same, similar or a compatible license. • For any reuse or distribution, you must make clear to others the license terms of this work. The best way to do this is with a link to the license. • Any of the above conditions can be waived if you get permission from the copyright holder. • Apart from the remix rights granted under this license, nothing in this license impairs or restricts the author's moral rights. Your fair use and other rights are in no way affected by the above. Table of Contents Introduction................................................................................................. 1 I. What is Sleep?...................................................................................................1 II. Manual Conventions......................................................................................2 III. -
Netstat Statistics Comparison with Perl by Noah Davids
Netstat Statistics Comparison with Perl By Noah Davids Comparing sets of numeric output can be tiresome. Using the output from the netstat command helps diagnose problems. Over time, the changes in the statistics reported can be very informative.This article explains how this network specialist and Perl novice decided to write a program to do the comparison for him. INTRODUCTION THE SCRIPT Comparing sets of numeric output can be tedious, especially when The script expects as input a file with the following format: the numbers are large and there are a lot of them. Unfortunately it is Some number of random lines something I have to do fairly often. As a network support specialist, I Line with unique string indicating start of data set 1 often use the output from the netstat command to help diagnose Some fixed number of lines with the format: problems. Changes in the statistics reported over time can be very enlightening. In addition, as part of the support process, I have to LABEL NUMBER LABEL NUMBER LABEL include those differences in my written analysis. Punching the long numbers into a calculator and copying the answer back out is a drag. Some number of random lines Using cut and paste helps only marginally. Line with the same unique string indicating start of data 2 To make my life simpler, I decided to write a program to do the Some fixed number of lines with the format: comparison for me. However, I support four different operating sys- tems, and while each has a netstat command, the format and content LABEL NUMBER LABEL NUMBER LABEL of the output varies with each OS. -
Powerman Power Manager 5.1 Installation and Administration Guide
PowerMAN Power Manager 5.1 Installation and Administration Guide Release 5.1.3.3597 November 2009 Revised March 2011 © Data Synergy UK Ltd 2007-2011. All rights reserved. PowerMAN Power Manager v5.1 About Data Synergy Data Synergy is a British company based in Sheffield. We have over 10 years' experience developing and supporting software solutions for enterprise PC deployment and management. We do not resell other vendors‟ products and do all our development, sales and support from our UK base. Our products have evolved through listening to customer ideas and applying our unrivalled knowledge of PC internals. If you have a suggestion for a new product or feature we would love to talk to you. Data Synergy UK Ltd Website: www.datasynergy.co.uk Cooper Buildings Email: [email protected] Sheffield Technology Parks Telephone: 08456 435 035 Arundel Street Sheffield Registered in England and Wales S1 2NS Company Number 06682095 VAT Registration GB 939 7559 56 Page 2/103 PowerMAN Power Manager v5.1 Contents PowerMAN Overview ................................................................................................ 7 PowerMAN and PowerMON Products ..................................................................... 7 PowerMAN Basics .................................................................................................... 8 Advantages over Windows built-in power management – Why PowerMAN? ................................... 8 Low power modes - Shutdown, Hibernate and Sleep (S1-S5) ......................................................... -
ANSWERS ΤΟ EVEN-Numbered
8 Answers to Even-numbered Exercises 2.1. WhatExplain the following unexpected are result: two ways you can execute a shell script when you do not have execute permission for the file containing the script? Can you execute a shell script if you do not have read permission for the file containing the script? You can give the name of the file containing the script as an argument to the shell (for example, bash scriptfile or tcsh scriptfile, where scriptfile is the name of the file containing the script). Under bash you can give the following command: $ . scriptfile Under both bash and tcsh you can use this command: $ source scriptfile Because the shell must read the commands from the file containing a shell script before it can execute the commands, you must have read permission for the file to execute a shell script. 4.3. AssumeWhat is the purpose ble? you have made the following assignment: $ person=zach Give the output of each of the following commands. a. echo $person zach b. echo '$person' $person c. echo "$person" zach 1 2 6.5. Assumengs. the /home/zach/grants/biblios and /home/zach/biblios directories exist. Specify Zach’s working directory after he executes each sequence of commands. Explain what happens in each case. a. $ pwd /home/zach/grants $ CDPATH=$(pwd) $ cd $ cd biblios After executing the preceding commands, Zach’s working directory is /home/zach/grants/biblios. When CDPATH is set and the working directory is not specified in CDPATH, cd searches the working directory only after it searches the directories specified by CDPATH. -
Powerpanel Personal Edition User Manual
PowerPanel Personal Edition User Manual User Manual PowerPanel® Personal Edition Rev. 9 2015/12/2 PowerPanel Personal Edition User Manual ELECTRONIC END USER LICENSE AGREEMENT FOR CYBERPOWER POWERPANEL PERSONAL EDITION NOTICE TO USER: THIS IS A CONTRACT. BY INSTALLING THIS SOFTWARE YOU ACCEPT ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT. The End User License Agreement and copyright of CyberPower PowerPanel® Personal Edition product and related explanatory materials ("Software") are owned by Cyber Power Systems (USA), Inc. The term "Software" also shall include any upgrades, modified versions or updates of the Software licensed to you by Cyber Power Systems (USA), Inc. Please read this Agreement carefully. At the end, you will be asked to accept this agreement and continue to install or, if you do not wish to accept this Agreement, to decline this agreement, in which case you will not be able to use the Software. Upon your acceptance of this Agreement, The Cyber Power Systems (USA), Inc. grants to you a nonexclusive license to use the Software, provided that you agree to the following: 1. Use of the Software. You may install the Software on a hard disk or other storage device; install and use the Software on a file server for use on a network for the purposes of (i) permanent installation onto hard disks or other storage devices or (ii) use of the Software over such network; and make backup copies of the Software. You may make and distribute unlimited copies of the Software, including copies for commercial distribution, as long as each copy that you make and distribute contains this Agreement, the CyberPower PowerPanel® Personal Edition installer, and the same copyright and other proprietary notices pertaining to this Software that appear in the Software.