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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 […]

Terra Noticias

Ovo, um poderoso alimento para a imunidade 4 de abril de 2020
Já se sabe que uma alimentação balanceada é de extrema importância para o equilíbrio do corpo e, ...
Aeroflex lança produto inovador e faz doação ao Governo do Paraná 4 de abril de 2020
A AEROFLEX, empresa de Curitiba que tem marcas reconhecidas como Mundial Prime, MyHealth e ...
Marília Mendonça anuncia novo show em live durante quarentena: '8 de abril, 20h' 4 de abril de 2020
Marília Mendonça deu uma notícia muito aguardada por fãs: ela vai fazer um novo show em ...
PT e PSDB vão à Justiça para afastar Carlos Bolsonaro de gabinete no Palácio do Planalto 4 de abril de 2020
PT e PSDB entraram na Justiça, nesta sexta-feira, 3, para pedir que o vereador do Rio Carlos ...
Grande SP tem sol e temperatura amena no fim de semana 4 de abril de 2020
As madrugadas do primeiro fim de semana de abril serão mais frias no estado de São Paulo. Além ...
Patric rescinde com Atlético-MG e acerta retorno ao Sport 4 de abril de 2020
O lateral-direito Patric encerrou nesta sexta-feira a sua passagem pelo Atlético Mineiro. O ...
Para conter avanço do coronavírus, presídios adotam medidas preventivas 4 de abril de 2020
A possibilidade de transmissão do novo coronavírus em presídios brasileiros tem gerado "dores de ...
Verdão homenageia Eurico, segundo lateral que mais atuou pelo clube 4 de abril de 2020
Em meio à pausa do futebol brasileiro por conta da pandemia do coronavírus, o Palmeiras utilizou ...
Carlos ataca Mourão por encontro com governadores de grupo criado pelo próprio Bolsonaro 4 de abril de 2020
O vereador do Rio de Janeiro Carlos Bolsonaro ( Republicanos ) usou as redes sociais nesta ...
Ex-'BBB20' Felipe Prior, acusado de estupro, se defende na web: 'Sou inocente' 4 de abril de 2020
O ex-BBB Felipe Prior, eliminado na terça-feira (31) do reality show, se posicionou após ser ...

Debian Linux

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 […]
VirtualBox Essentials Guide 9 de Maio de 2016
Explore the VirtualBox Virtualization tool with this hot guide! Oracle VM VirtualBox is a free and open-source hypervisor for x86 computers from Oracle Corporation. It supports the creation and management of guest virtual machines running versions and derivations of Windows, Linux, BSD, OS/2, Solaris, Haiku, OSx86 and others, and limited virtualization of OS X guests […]
10 Easy Ways to Restore Your Linux System 15 de abril de 2016
Reverting your operating system to a previous state without consequences sounds almost like magic. You can quickly return to your work as if nothing happened, even when you don’t know what caused the problem. That’s why the System Restore feature is among the top things ex-Windows users want from Linux. If you’re one of those […]

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 and Configure Mattermost on CentOS 8 3 de abril de 2020
Mattermost is a free, open-source and self-hosted enterprise team collaboration messaging system. In this tutorial, we will show you how to install Mattermost with Nginx reverse Proxy on CentOS 8.
How to Install Attendize on FreeBSD 12 2 de abril de 2020
Attendize is an Open-source ticket selling and event management platform and is everything you need for a successful event. This tutorial will show you how to install Attendize on FreeBSD 12.
How to Install Visual Studio Code Server on Debian 10 2 de abril de 2020
In this tutorial we show you how to install the code server on the Debian Buster 10. We will install and configure the code server using Nginx as a reverse proxy, secure it with SSL Letsencrypt and enable code server basic authentication.
How to setup EC2 Auto Scaling Group (ASG) on AWS 31 de março de 2020
In this article, we will see how to create an ASG and see how the number of instances can be maintained if the count decreases or load on the system increases.
What is umask in Linux? 30 de março de 2020
UMASK in Linux or Unix systems is known as User Mask or it is also called as User file creation Mask. This is a base permission or default permission when a new file or folder is created in the Linux machine.
How to update ONLYOFFICE Document Server to version 5.5 30 de março de 2020
In this tutorial, we'll learn how to update ONLYOFFICE Document Server to version 5.5 separately from other components. ONLYOFFICE is a free open-source solution with online editors and collaboration platform that includes doc management, projects, CRM, mail, chat, calendar and more.
Converting your Python 2 code to Python 3 28 de março de 2020
Python 2 reached the end of life on January 1, 2020. Python 3 has been available since 2008, but converting from 2 to 3 has been slow because of dependencies on libraries that were not available in Python 3 initially. This tutorial will show you how to convert Python 2 code to Python 3 using […]
How to Install an Email Server with ISPConfig on Debian 10 27 de março de 2020
This tutorial shows how to install a mail server on Debian 10 using ISPConfig server control panel.
How to Install WonderCMS with Apache and Let's Encrypt SSL on CentOS 8 26 de março de 2020
WonderCMS is a free, open-source, simple and lightweight content management system for building simple websites and blogs. It is a flat-file CMS and doesn't require any database.
How to Install Vanila Forum and Secure it with Let's Encrypt on CentOS 8 24 de março de 2020
Vanilla is a free, open-source and flexible community forum software that can be used to build your own forum site. In this tutorial, we will learn how to install Vanilla forum on CentOS 8 and secure it with Let's Encrypt SSL.

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