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Systemd – Easy As 1, 2, 3
Systemd – Easy as 1, 2, 3 Ben Breard, RHCA Solutions Architect, Red Hat [email protected] Agenda ● Systemd functionality ● Coming to terms ● Learning the basics ● More advanced topics ● Learning the journal ● Available resources 2 Systemd is more than a SysVinit replacement 3 Systemd is a system and service manager 4 Systemd Overview ● Controls “units” rather than just daemons ● Handles dependency between units. ● Tracks processes with service information ● Services are owned by a cgroup. ● Simple to configure “SLAs” based on CPU, Memory, and IO. ● Properly kill daemons ● Minimal boot times ● Debuggability – no early boot messages are lost ● Easy to learn and backwards compatible. 5 Closer look at Units 6 Systemd - Units ● Naming convention is: name.type ● httpd.service, sshd.socket, or dev-hugepages.mount ● Service – Describe a daemon's type, execution, environment, and how it's monitored. ● Socket – Endpoint for interprocess communication. File, network, or Unix sockets. ● Target – Logical grouping of units. Replacement for runlevels. ● Device – Automatically created by the kernel. Can be provided to services as dependents. ● Mounts, automounts, swap – Monitor the mounting/unmounting of file systems. 7 Systemd – Units Continued ● Snapshots – save the state of units – useful for testing ● Timers – Timer-based activation ● Paths – Uses inotify to monitor a path ● Slices – For resource management. ● system.slice – services started by systemd ● user.slice – user processes ● machine.slice – VMs or containers registered with systemd 8 Systemd – Dependency Resolution ● Example: ● Wait for block device ● Check file system for device ● Mount file system ● nfs-lock.service: ● Requires=rpcbind.service network.target ● After=network.target named.service rpcbind.service ● Before=remote-fs-pre.target 9 That's all great .......but 10 Replace Init scripts!? Are you crazy?! 11 We're not crazy, I promise ● SysVinit had a good run, but leaves a lot to be desired. -
Cisco Virtualized Infrastructure Manager Installation Guide, 2.4.9
Cisco Virtualized Infrastructure Manager Installation Guide, 2.4.9 First Published: 2019-01-09 Last Modified: 2019-05-20 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883 THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB's public domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS" WITH ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. -
The Drupal Decision
The Drupal Decision Stephen Sanzo | Director of Marketing and Business Development | Isovera [email protected] www.isovera.com Agenda 6 Open Source 6 The Big Three 6 Why Drupal? 6 Overview 6 Features 6 Examples 6 Under the Hood 6 Questions (non-technical, please) Open Source Software “Let the code be available to all!” 6 Software that is available in source code form for which the source code and certain other rights normally reserved for copyright holders are provided under a software license that permits users to study, change, and improve the software. 6 Adoption of open-source software models has resulted in savings of about $60 billion per year to consumers. http://en.wikipedia.org/wiki/Open-source_software www.isovera.com Open Source Software However… Open source doesn't just mean access to the source code. The distribution terms of open-source software must comply criteria established by the Open Source Initiative. http://www.opensource.org/docs/osd www.isovera.com Open Source Software Free as in… Not this… www.isovera.com Open Source CMS Advantages for Open Source CMS 6 No licensing fees - allows you to obtain enterprise quality software at little to no cost 6 Vendor flexibility - you can choose whether or not you want to hire a vendor to help you customize, implement, and support it, or do this internally. If at any point along the way you decide you don’t like your vendor, you are free to find another. 6 Software flexibility – in many cases, proprietary software is slow to react to the markets needs. -
CMS Matrix - Cmsmatrix.Org - the Content Management Comparison Tool
CMS Matrix - cmsmatrix.org - The Content Management Comparison Tool http://www.cmsmatrix.org/matrix/cms-matrix Proud Member of The Compare Stuff Network Great Data, Ugly Sites CMS Matrix Hosting Matrix Discussion Links About Advertising FAQ USER: VISITOR Compare Search Return to Matrix Comparison <sitekit> CMS +CMS Content Management System eZ Publish eZ TikiWiki 1 Man CMS Mambo Drupal Joomla! Xaraya Bricolage Publish CMS/Groupware 4.6.1 6.10 1.5.10 1.1.5 1.10 1024 AJAX CMS 4.1.3 and 3.2 1Work 4.0.6 2F CMS Last Updated 12/16/2006 2/26/2009 1/11/2009 9/23/2009 8/20/2009 9/27/2009 1/31/2006 eZ Publish 2flex TikiWiki System Mambo Joomla! eZ Publish Xaraya Bricolage Drupal 6.10 CMS/Groupware 360 Web Manager Requirements 4.6.1 1.5.10 4.1.3 and 1.1.5 1.10 3.2 4Steps2Web 4.0.6 ABO.CMS Application Server Apache Apache CGI Other Other Apache Apache Absolut Engine CMS/news publishing 30EUR + system Open-Source Approximate Cost Free Free Free VAT per Free Free (Free) Academic Portal domain AccelSite CMS Database MySQL MySQL MySQL MySQL MySQL MySQL Postgres Accessify WCMS Open Open Open Open Open License Open Source Open Source AccuCMS Source Source Source Source Source Platform Platform Platform Platform Platform Platform Accura Site CMS Operating System *nix Only Independent Independent Independent Independent Independent Independent ACM Ariadne Content Manager Programming Language PHP PHP PHP PHP PHP PHP Perl acms Root Access Yes No No No No No Yes ActivePortail Shell Access Yes No No No No No Yes activeWeb contentserver Web Server Apache Apache -
Web Application Framework Vs Content Management System
Web Application Framework Vs Content Management System Which Marven inclined so prepositionally that Neall strafing her swamplands? Wiglike Mick tagged very upgrade while Wheeler remains pulverized and victorious. Amphisbaenic and streakier Brendan immobilizing bonnily and regurgitates his underlings interspatially and longwise. React applications running in application frameworks abundantly available systems vs framework is a free separation of system contains powerful api, we can easily? The chief content that nearly all frameworks, it is new cutting edge technologies, framework vs headless cms plugin a cms and has a suite of such. Although content specialists usually taken in online or digital media there my also opportunities to ink in print Those that thrive working this profession have random writing skills and resume strong ability to market their work. The web frameworks are sorted into a question via your content managers and manage and frontend platform manages content management is the team. Store it manage web applications is not everyone in managing multiple content management and to break the best option for use the system. Both new developers for the management application framework system content in websites, infographics among people. 11 Headless CMS to patient for Modern Application. It was a great pleasure principal with Belitsoft. Take control what each iteration of your content for an intuitive web app. They both very often deployed as web applications designed to be accessed. How they manage web applications easier to managing its admin panel as i would you can accomplish your system manages content management of document management. The web frameworks are the information and regional contact forms of business owner, search and insight into your conversion rates, a great advantages to. -
Vendor Landscape: Web Content Management
Vendor Landscape: Web Content Management Info-Tech Research Group, Inc. Is a global leader in providing IT research and advice. Info-Tech’s products and services combine actionable insight and relevant advice with ready-to-use tools and templates that cover the full spectrum of IT concerns. Vendor Landscape: Web Content Management © 1997-2013 Info-Tech Research Group Inc. Info-Tech Research Group 1 Introduction Organizations looking for pure web content management (WCM) rather than marketing should look to open source products and developer communities. This Research Is Designed For: This Research Will Help You: Enterprises seeking to select a solution for WCM. Understand what’s new in the WCM market. Evaluate WCM vendors and products for your Organizations’ WCM use case may include: enterprise needs. • Mid-sized organizations that need to effectively Determine which products are most appropriate create and support web content. for particular use cases and scenarios. • CIOs and IT departments that are looking to put content development and management into the hands of marketing. Info-Tech Insight • Organizations that are seeking to incorporate and manage user-generated content on their Web Content Management is about the delivery of content and IT enabling marketing to take control of website. the creation and management of web content. Web Experience Management (WEM) is about engaging website visitors and creating a personal experience tailored to each visitor’s individual needs and preferences. See Info-Tech’s Vendor Landscape: Web Experience Management for more information. Vendor Landscape: Web Content Management Info-Tech Research Group 2 Executive Summary Info-Tech evaluated 14 competitors in the WCM market, Info-Tech Insight including the following notable performers: 1. -
Continuous Integration with Jenkins
Automated Deployment … of Debian & Ubuntu Michael Prokop About Me Debian Developer Project lead of Grml.org ounder of Grml-Forensic.org #nvolved in A#$ initramf"-tools$ etc. Member in Debian orensic Team Author of &ook $$Open Source Projektmanagement) #T *on"ultant Disclaimer" Deployment focuses on Linux (everal tools mentioned$ but there exist even more :. We'll cover some sections in more detail than others %here's no one-size-fits-all solution – identify what works for you Sy"tems Management Provisioning 4 Documentation &oot"trapping #nfrastructure 'rche"tration 4 Development Dev'ps Automation 6isualization/Trends *onfiguration 4Metric" + Logs Management Monitoring + *loud Service Updates Deployment Systems Management Remote Acce"" ipmi, HP i+'$ IBM RSA,... irm3are Management 9Vendor Tools Provisioning / Bootstrapping :ully) A(utomatic) I(n"tallation) Debian, Ubuntu$ Cent'( + Scientific +inu, http://fai-project.org/ ;uju Ubuntu <Charms= https-44juju.ubuntu.com/ grml-debootstrap netscript=http://example.org/net"cript.sh http-44grml.org4 d-i preseeding auto url>http-44debian.org/releases4\ "queeze/example-preseed.txt http-443iki.debian.org/DebianInstaller/Preseed Kickstart Cobbler Foreman AutoYa(%$ openQRM, (pace3alk,... Orche"tration / Automation Fabric (Python) % cat fabfile.py from fabric.api import run def host_type(): run('uname -s') % fab -H host1, host2,host3 host_type Capistrano (Ruby) % cat Capfile role :hosts, "host1", "host2", "host3" task :host_type, :roles => :hosts do run "uname -s" end % cap host_type 7undeck apt-dater % cat .config/apt-dater/hosts.conf [example.org] [email protected];mika@ mail.example.org;... *ontrolTier, Func$ MCollective$... *luster((8$ dsh, TakTuk,... *obbler$ Foreman$ openQRM, Spacewalk,... *onfiguration Management Puppet Environment" :production4"taging/development. -
Power State Management in Automotive Linux
Power State Management in Automotive Linux Table of Contents Terminology As automotive, consumer electronics, and embedded Executive Summary ............................................................1 software and hardware engineering intersect, technical Vehicle Power States and Device Energy traditions and vocabulary for in-car systems design begin Management ......................................................................1 to overlap. The following terms are defined for use in this Key Linux/Open Source Software Technologies document. for Automotive ...................................................................2 Power state management: Automakers and their supply CAN and MOST Drivers and Protocols ..........................2 chains use power management to describe the state of D-Bus ..............................................................................3 vehicles and in-vehicle systems relative to their policies for and use of electric power flowing from a vehicle’s Energy Management ......................................................3 alternator and battery. To minimize confusion between Initng: Next-Generation Init System ..............................3 familiar automotive terms and current embedded and System Health Monitoring – Monit ................................4 mobile terms, in this document power state management Conclusion ..........................................................................4 is used to describe the software infrastructure to support vehicle power states and transitions. Energy -
Hayfa Ayadi [email protected] ( +354 ) 786 0034 Software Engineer
101 Reykjavik, Iceland Hayfa Ayadi [email protected] ( +354 ) 786 0034 Software Engineer www.linkedin.com/haifa-ayadi Work Experience: E d u c a t i o n : Internship in Software Engineering Software engineering Degree [ 2009 - 2014 ] [Outcome Surveys, Iceland] May 2014 - Present National Institute of Applied Sciences and - Web development: maintaining websites on Umbraco CMS technology (INSAT) of Tunis -Tunisia. - Fixing and updating the existing survey system. Baccalauréat Degree with honors in mathematics [ 2005 – 2009 ] - Conducting my final school project about choosing the best Pioneer School of Ariana Tunisia. Project Management system for an IT company Technologies: Umbraco, Razor, Javascript, Jquery, Bootstrap, Professional q ualifications: Oracle, SQL server, .NET, UML, Project Management Computer skills : Internship in cross-platform security . Business Intelligence : Talend, ClickView, [DigitalMania, Tunisia] July, August 2013 Pentaho Mondrian, JasperServer, iReport Research & development on cross-platform security between . Business Process Management: Activiti, unity3D and apache server in a video game studio Alfresco, BPMN . Programming languages : Pascal, C/C++, C#, Technologies: Cryptography, OpenSSL, Unity 3D, C#, PHP Java ( J2EE, EJBs ), Processing, Python, Internship in Java development Prolog [Cynapsis, Tunisia] July 2010 . Database : Oracle, sql Server, Mysql Design and implement a Java application for resource . Web : HTML, CSS, JavaScript, Bootstrap, management of a conference room PHP, Django CMS, Umbraco Technologies: UML, Java, Mysql . Game engine: Unity 3D . Operating system : Windows, UNIX P r o j e c t s : . UML, RUP, SCRUM, CMMI Final School project: Implement a Project Management system for . Software Security an IT company [ May – September 2014] Languages: Study and select the best Project Management Solution to . -
OWASP 2012 Dos and Don'ts of Web Application Frameworks
Web Application Frameworks Denis Andzakovic – OWASP Day 2012 ~# whoami . My name is Denis Andžakovič . Pen-Tester @ Security-Assessment.com . A sweeping generalization: . Developers should strive to make my life as difficult as possible. OWASP . The Top Ten . I am going to assume that we are familiar with this list. The recurring theme from previous Web Sec talks has always been ‘Do not roll your own!’ Don’t roll your own! . Frameworks – <3 . They simplify the development process . There’s less code to write . Code is easily re-used . Code is robust, often heavily tested and integrated with the rest of your framework . They make secure implementations easy (*cough*) . Frameworks make it harder to make mistakes. Frameworks and Pen-Testers . Makin’ my life difficult. Secure, robust core code . Often meticulously reviewed and nit-picked . Security guidelines offered for the less sec-savvy developer . Also makin’ my life rather simple :-D . Easier recon . Readily available exploit code (on occasion....) . Implementation errors . Security misconfigurations Example Framework 1 Google Web Toolkit . Java based . Compiles Java code into obfuscated JavaScript . Provides a robust RPC implementation for server <-> client communication How its strung together… GWT - Overview GWT JavaScript Example RPC request 7|0|7|http://127.0.0.1:8888/owasp_gwt_demo/|9DE0BA7FEFC 7237BEE17C6F7D23512E7| com.example.owaspdemo.client.GreetingService|greetServ er|java.lang.String/2004016611| String1|String2|1|2|3|4|2|5|5|6|7| . This implementation helps ward off CSRF attacks and helps us defend against XSS attacks. Awesome. Common Mistakes . Unauthenticated access to RPC endpoints. UI feature and functionality restriction done on the client side. -
BSD Magazine
5-2600 High-Density iXsystems Servers powered by the E Intel® Xeon® Processor E5-2600 Family and Intel® High Performance, C600 series chipset can pack up to 768GB of RAM High Density Servers for into 1U of rack space or up to 8 processors - with up to 128 threads - in 2U. Data Center, Virtualization, & HPC On-board 10 Gigabit Ethernet and Infiniband for Greater Throughput in less Rack Space. Servers from iXsystems based on the Intel® Xeon® Processor E5-2600 Family feature high-throughput connections on the motherboard, saving critical expansion space. The Intel® C600 Series chipset supports up to 384GB of RAM per processor, allowing performance in a single server to reach new heights. This ensures that you’re not paying for more than you need to achieve the performance you want. The iXR-1204 +10G features dual onboard 10GigE + dual onboard 1GigE network controllers, up to 768GB of RAM and dual Intel® Xeon® IXR-1204+10G: 10GbE On-Board Processors E5-2600 Family, freeing up critical expansion card space for application-specific hardware. T he uncompromised performance and flexibility of the iXR-1204 +10G makes it suitable for clustering, high-traffic webservers, virtualization, and cloud computing applications - anywhere MODEL: iXR-22X4IB you need the most resources available. For even greater performance density, the iXR-22X4IB squeezes four server nodes into two units of rack space, each with dual Intel® Xeon® Processors E5-2600 Family, up to 256GB of RAM, and an on-board Mellanox® ConnectX QDR 40Gbp/s Infiniband w/QSFP Connector. T he iXR-22X4IB is http://www.iXsystems.com/e5 perfect for high-powered computing, virtualization, or business intelligence 768GB applications that require the computing power of the Intel® Xeon® Processor of RAM in 1U E5-2600 Family and the high throughput of Infiniband. -
Christoffer Dall's Resume
RESUME Christoffer Dall Tel +45 31 31 71 50 Peblinge Dossering 32, 3.tv. E-mail [email protected] 2200 København N Skype christofferdall Denmark Education 2010 – 2016 PhD in Computer Science (expected) Columbia University My research area was operating systems, specifically on mobile and embedded devices. I was working in the Software Systems Lab with a focus on virtualization technologies and operating system principles. My advisor was Jason Nieh. The PhD program consists of a breadth requirement (10 courses), teaching experience, candidacy exam, research, thesis proposal and thesis defense. Completed everything but thesis proposal and defense. Achievements include: Won the Andrew P. Kosoresow Memorial Award for Excellence in Teaching Won Best-Paper award at SOSP 2011 Developed Cells: A Virtual Mobile Smartphone Architecture Taught operating systems and introduced code review as a teaching tool Linux maintainer of KVM for ARM port Ported Linux checkpoint/restart to ARM 2008 - 2009 MS. in Computer Science (GPA 4.0+) Columbia University At Columbia I followed classes and did research on virtualization. The program combined classical classroom education with research. Achievements include: Started KVM for ARM project capable of running flat binaries inside the hypervisor. Formally verified virtualization primitives on KVM inside the Linux Kernel using model checking techniques. Worked on process virtualization Zap and desktop computer recorder DejaView. 2005 - 2008 B.Sc. in Computer Science Copenhagen University Computer Science and Mathematics. Achievements include: B.Sc. Thesis on storage elements in grid computing. Project on recreational route planning in rural environments involving graph theory and optimization algorithms. 2003-2004 Economics Copenhagen University Studied one year of micro- and macroeconomics, financial math and accounting.