Utilizando FMMPEG

Clusterweb, ClusterWeb, Desktop, Leitura Recomendada, Midia, Profissional de TI, Programação, Windows

out 262020

Aprenda a utilizar o FMMPEG

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Linux Posion

White Paper - Keep Your PCs Safe while Surfing the Web 13 de junho de 2013
"Keep Your PCs Safe while Surfing the Web"Learn how Qualys BrowserCheck can make sure your PCs and browsers are up to date.The Web has become a hub of information and productivity, making the web browser one of the most-used applications. This has drawn the attention of cyber criminals—making it a potential Achilles heel for security. […]
White Paper - Security and Trust: The Backbone of Doing Business Over the Internet 5 de junho de 2013
"Security and Trust: The Backbone of Doing Business Over the Internet"Gaining the trust of online customers is vital for the success of any company that requires sensitive data to be transmitted over the Web. Most consumers are concerned that their sensitive information will be intercepted in-transit, or perhaps the destination web site is manned by […]
Whitepaper - The Importance of DMARC (Domain-based Message Authentication, Reporting & Conformance) 28 de maio de 2013
"The Importance of DMARC (Domain-based Message Authentication, Reporting & Conformance)"With over 144 billion emails sent every day, spammers and phishers have a rapidly growing playground for their attacks.Keeping your customers safe goes hand in hand with keeping them happy. For instance, customers are 42% less likely to do business with a company that has undergone […]
eBook - A guide to programming Linux kernel modules 21 de maio de 2013
"The Linux Kernel Module Programming Guide"A guide to programming Linux kernel modules.An excellent guide for anyone wishing to get started on kernel module programming. The author takes a hands-on approach starting with writing a small "hello, world" program, and quickly moves from there.Far from a boring text on programming, Linux Kernel Module Programming Guide has […]
eBook - Understanding the Linux Virtual Memory Manager 13 de maio de 2013
"Understanding the Linux Virtual Memory Manager"Finally, a comprehensive guide to the Linux VM! This book describes VM in unprecedented detail, presenting both theoretical foundations and a line-by-line source code commentary.VM's behavior affects every Linux kernel subsystem and dramatically impacts overall performance. But until now, there was only one way to understand VM: study the poorly […]
eBook - Beginner's Guide to SSL Certificates 6 de maio de 2013
"Beginner's Guide to SSL Certificates: Making the Best Choice When Considering Your Online Security Options"SSL stands for “Secure Socket Layer.” It is a technology that establishes a secure session link between the visitor's web browser and your website so that all communications transmitted through this link are encrypted and are, therefore, secure. SSL is also […]
eBook - Managing Linux Systems with Webmin 2 de maio de 2013
"Managing Linux Systems with Webmin System Administration and Module Development - Free 808 page eBook"Easy, browser-based Linux/UNIX administration with Webmin--step by step.Webmin gives you an easy, browser-based solution for virtually any day-to-day Linux/UNIX administration task. Now, there's a definitive Webmin guide for every beginning-to-intermediate sysadmin. Written by Webmin's primary developer, Managing Linux® Systems with Webmin; […]
eBook - Linux Patch Management: Keeping Linux Systems Up To Date 23 de abril de 2013
"Linux Patch Management: Keeping Linux® Systems Up To Date"Linux® Patch Management offers Linux professionals start-to-finish solutions, strategies, and examples for every environment, from single computers to enterprise-class networks.Michael Jang presents patching solutions for Red Hat, Fedora, SUSE, Debian, and other distributions. He systematically covers both distribution-specific tools and widely used community tools, such as apt […]
eBook - User Mode Linux 15 de abril de 2013
"User Mode Linux®"In this book, you'll find authoritative advice on bootup, compilation, administration, specialized configurations, and much more.With User Mode Linux®; you can create virtual Linux machines within a Linux computer and use them to safely test and debug applications, network services, and even kernels. You can try out new distributions, experiment with buggy software, […]
eBook - Java Application Development on Linux 11 de abril de 2013
"Java™ Application Development on Linux® - Free 599 Page eBook"Linux is the fastest-growing Java development platform because it saves money and time by serving as a platform for both development and deployment. But developers face significant platform-specific challenges when managing and deploying Java applications in a controlled production environment.Written for Java and Linux developers alike, […]
eBook - Linux Quick Fix Notebook 3 de abril de 2013
Instant access to precise, step-by-step solutions for every essential Linux administration task from basic configuration and troubleshooting to advanced security and optimization.If you're responsible for delivering results with Linux, Linux® Quick Fix Notebook brings together all the step-by-step instructions, precise configuration commands, and real-world guidance you need. This distilled, focused, task-centered guide was written for […]
White Paper - There's an App for That, But is it Secure? 26 de março de 2013
"There's an App for That, But is it Secure?"This Tech Dossier will outline proven best practices to mitigate risk and embrace mobility without trepidation.Security has eroded over the past decade as companies strive to create applications for multiple platforms by farming design and development out to subcontractors. This trend has strained the processes and governance […]
Display Dialog boxes from shell scripts - Whiptail 26 de março de 2013
whiptail is a lightweight replacement for dialog, to provide dialog boxes for shell scripts. It is built on the newt windowing library rather than the ncurses library, allowing it to be smaller in embedded environments such as installers, rescue disks, etc.Currently, these types of dialog boxes are implemented:yes/no box, menu box, input box, message box, text box, […]
Securely erase files and partition from magnetic media - Wipe 25 de março de 2013
Recovery of supposedly erased data from magnetic media is easier than what many people wouldlike to believe. A technique called Magnetic Force Microscopy (MFM) allows any moderately funded opponent to recover the last two or three layers of data written to disk; wipe repeatedly overwrites special patterns to the files to be destroyed, using the […]
Convert webpages (HTML) to PDF using webkit - wkhtmltopdf 22 de março de 2013
Wkhtmltopdf is a command line utility that can be used to convert a webpage / html to PDF.Wkhtmltopdf Features: * Convert web pages into PDF documents using webkit * Adding headers and footers (static version only) * TOC generation (static version only) * Batch mode conversions * (Linux) No longer requires an XServer to be running (however the X11 client […]

Debian Linux

How to allow wildcard domain name in Paloalto firewall policy 28 de outubro de 2020
By default paloalto firewall FQDN object only allows domain name and not wildcard domain.When an FQDN object is committed to the system, the management plane sends out periodic DNS queries to populate this object with IP addresses mapped from the DNS reply. These mapped IP addresses are then be pushed down to the dataplane, where […]
How to Reset the Administrator Password on Paloalto Firewall 23 de outubro de 2020
Recovering the administrator password is not possible–the password must be reset using the following procedure Boot the firewall into maintenance mode and load a previously saved named config. To boot the firewall into maintenance mode, connect to the console via the console port and a terminal software. Reboot the firewall and keep pressing ‘m’ (or […]
How to Perform a factory reset on Paloalto firewalls (PA-800,PA-3000,PA-5000 Series) 5 de março de 2020
This tutorial will explain how to Perform a factory reset on Paloalto firewalls (PA-800,PA-3000,PA-5000 Series). Procedure to follow 1) Connect the Console cable, which is provided by Palo Alto Networks, from the “Console” port to a computer, and use a terminal program (9600,8,n,1) to connect to the Palo Alto firewall device. 2) Power on to […]
How to recover the Root Password for SRX Firewall Devices 13 de janeiro de 2017
If you forget the root password for an SRX firewall device, you can use the password recovery procedure to reset the root password. This procedure also involves disabling the watchdog functionality to allow the system to properly boot into single-user mode Procedure to follow Power on the device by pressing the power button on the […]
How to reset Juniper SRX Firewall Devices 10 de janeiro de 2017
This tutorial explains how to return the configuration on a SRX firewall to the factory default version. Solution 1 Using the Reset Config Button You can use the Reset Config button on the front panel of the SRX firewall device to reset the device to its factory default configuration. The Reset Config button is recessed […]
6 Things That Ubuntu Does Better Than Windows 4 de outubro de 2016
By downloading this free guide, you agree to receive regular updates on the latest cool apps, product reviews, and giveaways from MakeUseOf. We all love Windows, right? It’s a great operating system, there’s no doubt about that. However, what if I told you that Ubuntu was better? You may laugh and think that nothing could […]
Getting Started with Ubuntu 16.04 (PDF Guide) 4 de outubro de 2016
Getting Started with Ubuntu 16.04 is a comprehensive beginners guide for the Ubuntu operating system. Getting Started with Ubuntu 16.04 is not intended to be a comprehensive Ubuntu instruction manual. It is a quick-start guide that will get you doing the things you need to do with your computer easily, without getting bogged down with […]
Linux BASH Programming Cookbook (PDF Guide) 4 de outubro de 2016
Delve into the world of Linux BASH Programming with this compact cookbook that introduces common recipes for the BASH command line! Bash is a Unix shell and command language written by Brian Fox for the GNU Project as a free software replacement for the Bourne shell. First released in 1989, it has been distributed widely […]
Linux All-in-One For Dummies (a $25.99 value) FREE! 3 de junho de 2016
Eight minibooks in one volume cover every important aspect of Linux and everything you need to know to pass level-1 certification.Linux All-in-One For Dummies explains everything you need to get up and running with the popular Linux operating system. Written in the friendly and accessible For Dummies style, the book ideal for new and intermediate […]
Introduction to Docker 23 de maio de 2016
An introduction to Docker networking and its components. In this guide, you’ll learn about the essential components of Docker networking, which have evolved from coupling simple Docker abstractions and powerful network components such as Linux bridges and Open vSwitch. We’ll also discuss the next generation of Docker networking, which is called libnetwork. Introduction to DockerContinue […]

Linux Critic

How to Make a Bootable Linux Thumb Drive via Command Line 6 de setembro de 2016
This is another one of those things where I always have to consult my own notes because it never sticks in my head. Part of the reason for this is the fact that I am old fashioned and still insist on doing this the non-graphical way. Why? Because graphical tools for such things often fail […]
Android Apps on Chrome OS 15 de agosto de 2016
I’m going to talk about Chrome OS, Android, and Chromebooks today. Chrome OS is Linux at its core, as is Android, so they’re relevant to other things I discuss on Linux Critic, but I also use both of those platforms on a daily basis, and they’re technology, so they’re relevant anyway. I have a 2015 […]
My Choices of Applications Lately 8 de agosto de 2016
I frequently find it useful to read about the applications other people use for various functions because it inevitably prompts my natural curiosity. I almost always end up thinking, well, I haven’t tried that program… I should install it and see how it is. It’s good to expand one’s horizons. Because of that, it’s something […]
101 Posts 2 de agosto de 2016
I didn’t realize it as I was writing my post yesterday, but I had surpassed 100 Linux Critic posts in doing so. I started this blog in 2009. At the time, I had several reasons for it. Because a friend told me to One of my good friends was starting to tinker with Linux back […]
Whisker Menu 1 de agosto de 2016
Just a little blurb this morning, I thought I’d mention something about Xfce that I’ve really liked in my using it this time around: Whisker Menu To be perfectly clear, I never had any issues with the old style accordion menu but I noticed that the version of Xfce that is in the repositories for […]
Clock Configuration 17 de julho de 2016
People become accustomed to seeing certain information displayed in their panels, and one of those is always a clock of some kind. I like to configure that to my preference in whichever GUI I’m using in Linux, be it Fluxbox, Cinnamon, Xfce, or whatever. A lot of times the default options available don’t have what […]
Xfce: Stop workspace hopping by browser 9 de julho de 2016
I’ve been using the Xfce desktop environment again lately, for the first time in years, because I was curious to see how it has changed over time. As an overall, I’ve been enjoying this experiment; I was never very satisfied with it before for a variety of reasons, but its flexibility and stability are still […]
Why I Use Linux 4 de janeiro de 2016
I was a bit inspired by a post in the Linux G+ community I saw this morning and thought I’d make a quick post here to discuss my own reasons why I use Linux. One thing I’ve learned in my years of being a part of the Linux and Open Source community is that everybody […]
Change screen brightness in LXDE 29 de março de 2015
I decided to play around with LXDE on a cheap laptop I bought in an employee auction recently (on which I’m running Linux Mint Debian Edition). Everything works great – I forgot how fast and comfortable LXDE is to me, since it’s been quite a while since I used it regularly. However, the keybindings don’t […]
A quick way to change default browser in LMDE 20 de dezembro de 2014
Just a quick note here, in part for myself (because inevitably I’ll end up needing to do this again, and that was some of the reason I started this blog to begin with), but also for the benefit of anyone else who finds this handy. I’ve been using the beta version of Google Chrome on […]

How to Forge

How to Install Guider Linux Performance Analyzer on Ubuntu 20.04 20 de abril de 2021
Guider is an open-source performance analyzing tool for Linux operating systems. In this tutorial, I will show you how to install and use Guider on Ubuntu 20.04.
How to display GUI dialogs in bash script using Zenity 19 de abril de 2021
Zenity is an open-source application for displaying simple GUI in shell scripts. It makes scripts more user-friendly by displaying GTK+ dialogs. In this article, we will show you how to use Zenity to display GUI dialogs in Bash scripts.
How to manage AWS EC2 instances using aws-cli 19 de abril de 2021
This guide will show you how to get started with managing your AWS virtual machine instances from the Linux command line using aws-cli.
Perfect Server Automated ISPConfig 3 Installation on Debian 10 and Ubuntu 20.04 16 de abril de 2021
This tutorial shows you how to easily set up a web, email and DNS server with ISPConfig 3 using the ISPConfig auto-installation script.
How to create an SNS topic on AWS using Terraform 15 de abril de 2021
In this article, we will create an SNS topic with an access policy that will allow our own account to perform all SNS actions on the topic.
How to Test Website Loading Speed in Linux 15 de abril de 2021
The website loading speed or response time is very important for any webmaster because it will impact search engine rankings and user experience. In this tutorial, we will show you how to test website loading speed using the curl command in Linux.
How to Install PrestaShop with Apache and Let's Encrypt SSL on CentOS 8 13 de abril de 2021
PrestaShop is an open-source shopping cart written in the PHP used to create and manage your online business. In this post, we will show you how to install PrestaShop with Apache and Let's Encrypt SSL on CentOS 8.
How to create Cloudwatch alarms for a DynamoDB Table on AWS 13 de abril de 2021
To monitor DynamoDB tables, metric data is sent to CloudWatch automatically. In this article, we will create an alarm for a DynamoDB table to monitor "ConsumedWriteCapacityUnits" and send a notification to the SNS topic.
How to Install Angular CLI on CentOS 8 12 de abril de 2021
Angular is a popular open-source application development framework. It is highly extensible and used for developing mobile and web applications using TypeScript/JavaScript.
How to create a user on Linux EC2 instance on AWS and add a public key to it using a shell script 9 de abril de 2021
Creating a user and adding a public key to it can be very tedious. In this article, we will see how this process can be automated using a shell script which can help us avoid human errors that can arise if we do the task manually.