uncleflo

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Some cool dude. Higher order of decision making. Absolute.

Registered since September 28th, 2017

Has a total of 3359 bookmarks.

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Linux Daemon Writing HOWTO

http://www.netzmafia.de/skripten/unix/linux-daemon-howto.html

Saved by uncleflo on January 4th, 2019.

A daemon (or service) is a background process that is designed to run autonomously,with little or not user intervention. The Apache web server http daemon (httpd) is one such example of a daemon. It waits in the background listening on specific ports, and serves up pages or processes scripts, based on the type of request. Creating a daemon in Linux uses a specific set of rules in a given order. Knowing how they work will help you understand how daemons operate in userland Linux, but can operate with calls to the kernel also. In fact, a few daemons interface with kernel modules that work with hardware devices, such as external controller boards, printers,and PDAs. They are one of the fundamental building blocks in Linux that give it incredible flexibility and power. Throughout this HOWTO, a very simple daemon will be built in C. As we go along, more code will be added, showing the proper order of execution required to get a daemon up and running.

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Installing a SSL certificate on Apache

https://www.namecheap.com/support/knowledgebase/article.aspx/9423/33/installing-a-ssl-certificate-on-apache

Saved by uncleflo on December 19th, 2018.

Before you start the SSL installation process, please make sure that the CSR code is generated, all validation requirements are met, and the SSL certificate is issued and downloaded. The next prerequisites are intended to ease SSL installation and help you avoid the common pitfalls: Having access to the hosting server configuration over SSH via the terminal; The website should be working over the HTTP connection (default port 80); The private key should be located and matched with the SSL certificate. Check this article to find the private key and match it with the SSL certificate using this tool. As you may know, there are many Linux distributions where an Apache HTTP server can be installed. In this article, we will review SSL installation steps for two major operating system families: Debian-based and RHEL-based ones.

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Setting up an SSL secured Webserver with CentOS

https://wiki.centos.org/HowTos/Https

Saved by uncleflo on May 30th, 2018.

This guide will explain how to set up a site over https. The tutorial uses a self signed key so will work well for a personal website or testing purposes. This is provided as is so proceed at your own risk and take backups! For an SSL encrypted web server you will need a few things. Depending on your install you may or may not have OpenSSL and mod_ssl, Apache's interface to OpenSSL.

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UTF-8 all the way through

https://stackoverflow.com/questions/279170/utf-8-all-the-way-through?rq=1

Saved by uncleflo on May 9th, 2018.

I'm setting up a new server, and want to support UTF-8 fully in my web application. I have tried in the past on existing servers and always seem to end up having to fall back to ISO-8859-1. Where exactly do I need to set the encoding/charsets? I'm aware that I need to configure Apache, MySQL and PHP to do this - is there some standard checklist I can follow, or perhaps troubleshoot where the mismatches occur? This is for a new Linux server, running MySQL 5, PHP 5 and Apache 2.

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Apache Cordova

https://cordova.apache.org/

Saved by uncleflo on January 26th, 2018.

Cordova wraps your HTML/JavaScript app into a native container which can access the device functions of several platforms. These functions are exposed via a unified JavaScript API, allowing you to easily write one set of code to target nearly every phone or tablet on the market today and publish to their app stores. A diverse ecosystem of command line tools, JavaScript frameworks, and cloud services exist that augment Cordova

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Adobe PhoneGap - Getting Started

http://docs.phonegap.com/getting-started/

Saved by uncleflo on January 26th, 2018.

This guide is geared to helping people new to PhoneGap get up and running as quickly as possible with the least amount of setup and time. Once you've completed the getting started section, be sure to head over to the tutorials and references sections where you'll be able to dig into more advanced mobile app development related topics and find numerous useful resources.

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Github - HHVM

https://github.com/facebook/hhvm

Saved by uncleflo on December 28th, 2017.

HHVM is an open-source virtual machine designed for executing programs written in Hack and PHP. HHVM uses a just-in-time (JIT) compilation approach to achieve superior performance while maintaining the development flexibility that PHP provides. HHVM supports Hack, PHP 5 and the major features of PHP 7. We are aware of minor incompatibilities, so please open issues when you find them. HHVM also supports many extensions as well. HHVM should be used together with a webserver like the built in, easy to deploy Proxygen, or a FastCGI-based webserver on top of nginx or Apache.

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Apache CXF

http://cxf.apache.org/

Saved by uncleflo on December 27th, 2017.

Apache CXF™ is an open source services framework. CXF helps you build and develop services using frontend programming APIs, like JAX-WS and JAX-RS. These services can speak a variety of protocols such as SOAP, XML/HTTP, RESTful HTTP, or CORBA and work over a variety of transports such as HTTP, JMS or JBI. CXF includes a broad feature set, but it is primarily focused on the following areas: Web Services Standards Support: CXF supports a variety of web service standards including SOAP, the WS-I Basic Profile, WSDL, WS-Addressing, WS-Policy, WS-ReliableMessaging, WS-Security, WS-SecurityPolicy, WS-SecureConverstation, and WS-Trust (partial). Frontends: CXF supports a variety of "frontend" programming models. CXF implements the JAX-WS APIs. CXF JAX-WS support includes some extensions to the standard that make it significantly easier to use, compared to the reference implementation: It will automatically generate code for request and response bean classes, and does not require a WSDL for simple cases.It also includes a "simple frontend" which allows creation of clients and endpoints without annotations. CXF supports both contract first development with WSDL and code first development starting from Java.

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Java Tools for building and testing - Enterprise-OSGi-in-Action

http://what-when-how.com/Tutorial/topic-647vgevdm3/Enterprise-OSGi-in-Action-242.html

Saved by uncleflo on December 27th, 2017.

Karaf has a lot of support for Apache Aries, which makes it a convenient environment for developing and testing enterprise OSG i applications. So well integrated is Karaf with Aries, Karaf comes with Blueprint support by default. Even better, if you list the OSGi bundles using the osgi:list , there's a special column that shows each bundle's Blueprint status.

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HTTP Server Header

https://www.iplocation.net/http-server-header

Saved by uncleflo on June 30th, 2017.

Welcome to IP Location, the home of IP Geolocation and IP Resources. This website was built to offer tips, tutorials and articles on IPv4 and IPv6 addresses, and how it relates to TCP/IP and Internet. HTTP is the protocol used to transfer data between the web server and browsers. When a browser requests a HTML document from a web server, the browser send an URL (web address) with a request header. The server respond to a browser by providing a HTTP response header and the requested document (if exists). This tool extracts the HTTP server response headers, and displays them to you.

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How To Use Netcat to Establish and Test TCP and UDP Connections on a VPS

https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections-on-a-vps

Saved by uncleflo on June 27th, 2017.

Linux is known for having a great number of mature, useful command line utilities available out of the box in most distributions. Skilled system administrators can do much of their work using the built-in tools without having to install additional software. In this guide, we will discuss how to use the netcat utility. Often referred to as a Swiss army knife of networking tools, this versatile command can assist you in monitoring, testing, and sending data across network connections. We will be exploring this on an Ubuntu 12.04 VPS, but netcat should be available on almost any modern Linux distribution. Ubuntu ships with the BSD variant of netcat, and this is what we will be using in this guide. Other versions may operate differently or provide other options.

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Apache Cassandra - Manage massive amounts of data, fast, without losing sleep

http://cassandra.apache.org/

Saved by uncleflo on October 12th, 2016.

The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.Cassandra's support for replicating across multiple datacenters is best-in-class, providing lower latency for your users and the peace of mind of knowing that you can survive regional outages.

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Setting CORS (cross-origin resource sharing) on Apache with correct response headers allowing everything through | Benjamin Horn

http://benjaminhorn.io/code/setting-cors-cross-origin-resource-sharing-on-apache-with-correct-response-headers-allowing-everything-through/

Saved by uncleflo on April 5th, 2015.

Setting CORS (cross-origin resource sharing) on Apache with correct response headers allowing everything through

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Guide to UTF-8 for PHP and MySQL Software Developers | Toptal

http://www.toptal.com/php/a-utf-8-primer-for-php-and-mysql

Saved by uncleflo on January 20th, 2015.

As a MySQL or PHP developer, once you step beyond the comfortable confines of English-only character sets, you quickly find yourself entangled in the wonderfully wacky world of UTF-8. On a previous job, we began running into data encoding issues when displaying bios of artists from all over the world. It soon became apparent that there were problems with the stored data, as sometimes the data was correctly encoded and sometimes it was not.

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Secure Cookies: The HttpOnly Flag | Security Musings

http://securitymusings.com/article/909/secure-cookies-the-httponly-flag

Saved by uncleflo on January 20th, 2015.

Cross Site Scripting (XSS) vulnerabilities can be pretty dangerous. On web applications, they can lead to everything from breaches in privacy to complete account compromisation. One of the many ways that attackers can take advantage of XSS holes is by reading the information stored in the browser cookies and using it to impersonate a legitimate user. To the vulnerable site, there is usually no difference between the credentials provided by the real user and those provided by an attacker– so everything looks peachy on the surface.

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UTF-8: The Secret of Character Encoding - HTML Purifier

http://htmlpurifier.org/docs/enduser-utf8.html

Saved by uncleflo on December 10th, 2014.

Character encoding and character sets are not that difficult to understand, but so many people blithely stumble through the worlds of programming without knowing what to actually do about it, or say "Ah, it's a job for those internationalization experts." No, it is not! This document will walk you through determining the encoding of your system and how you should handle this information. It will stay away from excessive discussion on the internals of character encoding. This document is not designed to be read in its entirety: it will slowly introduce concepts that build on each other: you need not get to the bottom to have learned something new. However, I strongly recommend you read all the way to Why UTF-8?, because at least at that point you'd have made a conscious decision not to migrate, which can be a rewarding (but difficult) task.

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How to Test Multiple Websites on One PC With Apache Virtual Hosts » SitePoint

http://www.sitepoint.com/multiple-websites-apache-virtual-hosts/

Saved by uncleflo on October 11th, 2014.

How to Test Multiple Websites on One PC With Apache Virtual Hosts. It is rare to find a web developer with responsibility for just one website. In this article, we will configure your development PC so you can test any number of websites using a dedicated domain name for each one. You will require a local installation of Apache 2.2 and, optionally, PHP and MySQL.

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Simon Whatley - Apache .htaccess query string redirects

http://www.simonwhatley.co.uk/apache-htaccess-query-string-redirects

Saved by uncleflo on October 11th, 2014.

One of the most common tasks performed by Apache and htaccess is the manipulation of a URL and configuring a redirect for a specific page. Creating a single page redirect in Apache is a simple task, which uses mod_alias module.

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mod_rewrite - Apache HTTP Server

http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html

Saved by uncleflo on October 11th, 2014.

This module uses a rule-based rewriting engine (based on a regular-expression parser) to rewrite requested URLs on the fly. It supports an unlimited number of rules and an unlimited number of attached rule conditions for each rule, to provide a really flexible and powerful URL manipulation mechanism. The URL manipulations can depend on various tests, of server variables, environment variables, HTTP headers, or time stamps. Even external database lookups in various formats can be used to achieve highly granular URL matching. This module operates on the full URLs (including the path-info part) both in per-server context (httpd.conf) and per-directory context (.htaccess) and can generate query-string parts on result. The rewritten result can lead to internal sub-processing, external request redirection or even to an internal proxy throughput.

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Apache mod_rewrite Tutorial

http://www.mediacollege.com/internet/server/apache/mod-rewrite/syntax.html

Saved by uncleflo on October 11th, 2014.

We need to tell Apache where and what to rewrite. You have two options here - more commonly, you can place the code in a .htaccess file. This is nothing more than a text file which when present in a directory will be interpreted by Apache. You may already be familiar with a .htaccess file, as these allow you set all kinds of server options, e.g. as a custom 404 error page. The other alternative is only available if you have root access and that is to place the code inside your httpd.conf. See load issues for more information. Throughout this tutorial, I am assuming you are using a .htaccess file in the root of your domain (i.e. http://example.com/.htaccess), unless otherwise stated.

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Apache Cordova

http://cordova.apache.org/

Saved by uncleflo on August 9th, 2014.

Apache Cordova is a set of device APIs that allow a mobile app developer to access native device function such as the camera or accelerometer from JavaScript. Combined with a UI framework such as jQuery Mobile or Dojo Mobile or Sencha Touch, this allows a smartphone app to be developed with just HTML, CSS, and JavaScript.

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5 Tips For Faster Loading Web Sites

http://www.rubyrobot.org/article/5-tips-for-faster-loading-web-sites

Saved by uncleflo on July 17th, 2014.

Recently I came across Aaron Hopkins' Optimizing Page Load Time article. It explains in depth how you should optimize your web pages for a faster browsing experience. It's full of brilliant theory, but not to so much about practical tips for the average blogger. So here is a list of 5 things you can do to optimize your web pages without having to redo your site design or set up distribution caches around the planet. It helped me to reduce load time of this web site by about 70% on average.

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AWStats - Free log file analyzer for advanced web statistics (GNU GPL).

http://www.awstats.org/

Saved by uncleflo on July 16th, 2014.

AWStats is a free powerful and featureful tool that generates advanced web, streaming, ftp or mail server statistics, graphically. This log analyzer works as a CGI or from command line and shows you all possible information your log contains, in few graphical web pages. It uses a partial information file to be able to process large log files, often and quickly. It can analyze log files from all major server tools like Apache log files (NCSA combined/XLF/ELF log format or common/CLF log format), WebStar, IIS (W3C log format) and a lot of other web, proxy, wap, streaming servers, mail servers and some ftp servers. Take a look at this comparison table for an idea on features and differences between most famous statistics tools (AWStats, Analog, Webalizer,...). AWStats is a free software distributed under the GNU General Public License. You can have a look at this license chart to know what you can/can't do.

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Deluge Forum • View topic - Howto: Proxying deluge web client to Apache via mod_proxy

http://forum.deluge-torrent.org/viewtopic.php?t=10165

Saved by uncleflo on September 14th, 2013.

Deluges web client is the only client I use, but I wanted to access it via my own web server. This small Howto shows how I got it to work. This has only been tested with Apache 2.2 and Deluge 1.0.0.

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Secure Your Apache With mod_security | HowtoForge - Linux Howtos and Tutorials

http://www.howtoforge.com/apache_mod_security

Saved by uncleflo on September 12th, 2013.

This article shows how to install and configure mod_security. mod_security is an Apache module (for Apache 1 and 2) that provides intrusion detection and prevention for web applications. It aims at shielding web applications from known and unknown attacks, such as SQL injection attacks, cross-site scripting, path traversal attacks, etc. In the first chapter I will show how to install mod_security on Debian Sarge, Ubuntu 6.06 LTS (Dapper Drake), and on Fedora Core 5, and in the second chapter I will describe how to configure Apache for mod_security which is independent from the distribution you're using. I want to say first that this is not the only way of setting up such a system. There are many ways of achieving this goal but this is the way I take. I do not issue any guarantee that this will work for you!

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