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General Section

Various MySQL commands

MySQL commands for the client command line

Change the server date and time in CentOS

Change the server date and time in CentOS

How to see your Yahoo! Mail log activity

This is how to check if your Yahoo! Mail has been compromised or hacked. You can see the history of the last 20 login attempts

Patching glibc CVE-2015-7547 Vulnerability

How to patch the glibc vulnerability CVE-2015-7547 in CentOS, Ubuntu and Debian

Install Ruby on Rails from source

Article about installing Ruby from source and Rails for Mac OS, Debian and CentOS.

How to fix the shellshock bash bug vulnerability in bash shell

How to fix the shellshock bash bug vulnerability in bash shell

How to install Windows 7 on VirtualBox

Guide on how to install Windows 7 on VirtualBox virtual machine.

Watch Starwars on the Terminal

Watch Starwars on the Terminal. Using Mac Terminal, PuTTY or any Linux/Unix console.

Profile Picture, Cover Photo and Other Image Dimensions

Comprehensive list of dimensions of photos and images in Facebook, Twitter, Google+, LinkedIn and major social media websites.

Samsung Series 3 laptop: How to get BIOS boot menu to show DVD and USB devices

How to get boot menu to show DVD and USB devices in Samsung Series 3 laptops

How to reset your Verizon FiOS router password

Basic tutorial on reseting your Verizon FiOS router password to the default one.

How to force Comcast IP address to change

How to force Comcast IP address to change when using a Linksys router

How to find the IP address of the email sender in Gmail, Yahoo mail, Hotmail, AOL, Outlook Express, etc.

How to find the IP address of the email sender in Gmail, Yahoo mail, Hotmail, AOL, Outlook Express.

Scammed? How to complain if you are a victim of fraud on the Internet.

Resources to complain to if scammed on the Internet. List of phone numbers, URLs and addresses of law enforcement agencies.

Hacking your Linksys WRT54G Wireless-G Router with DD-WRT firmware

How to hack the Linksys WRT54G or WRT54GL Wireless-G router and install DD-WRT firmware.

How to compress your webpages

How to compress webpages using gzip or deflate. Apache, Nginx, Lighttpd web servers.

How to save a document or webpage as PDF

How to save a document DOC, PUB, webpage, etc as PDF. .

How to handle X11 Forwarding using SSH

How to handle X11 Forwarding using SSH and Xming.

How to set up your own website with domain hosting

How to get domain hosting and set up your own web site.

.htaccess tutorial with mod_rewrite

Using and editing .htaccess file for configurations. .

How to send SMS freely through email

How to send SMS through email. This works only in the United States, but will be extended to other countries soon.

Cell phone secrets and tricks for Sony Ericsson T610

How to get more out of your Sony Ericsson T610 cell phone: unlocking, tricks, shortcuts, IMEA code.

Emacs Commands

Summary of essential emacs commands. Useful for beginners and regular users.

Nginx Section

Disabling SELinux in CentOS 7

Nginx does not run with SELinux enabled. I had to disable it to allow the nginx process to run.

Generate self-signed SSL certificate in one line

How to generate self-signed SSL certificate in one command. This generates ssl certificate and key.

How to forward Nginx Perl requests to Apache mod_cgi

How to forward Perl (.pl) requests in Nginx web server to Apache mod_cgi.

Configuring Nginx to forward PHP requests to Apache mod_php

HOWTO: Nginx to forward PHP requests to Apache mod_php.

Configuring Nginx to include PHP FastCGI support

How to configure Nginx to include PHP FastCGI support.

Configuring Nginx web server

Configuring Nginx web server. nginx.conf tweaks.

Installing Nginx web server

Installing Nginx web server for Debian/Ubuntu/RedHat Linux.

Apple Section

Stop Photos app from opening automatically when an iPhone or iPad is connected to the Mac

How do I disable the Photos app from automatically opening when my iPhone or iPad is connected to the Mac.

Stop Image Capture from opening when a new device is connected

How do I disable the Image Capture app from automatically opening when my iPhone or iPad is connected to the Mac.

How to find UDID of iPhone, iPad or iPod Touch

Short tutorial on how to find the unique device identifier (UDID) of your iOS device - iPhone, iPod Touch or iPad

Mac OS X Terminal: Keyboard word shortcut

Mac Terminal shortcut to jump from word to word

How to reset admin password on Mac OS X

Tutorial to reset the admin password on Mac OS X (Leopard or Snow Leopard).

I cannot insert a CD or DVD into my MacBook's slot load SuperDrive

How to insert a CD/DVD into a troublesome superdrive in your MacBook

Convert docx to doc in Mac OS X Snow Leopard or Leopard

Convert docx to doc in Mac OS X Snow Leopard or Leopard

How to eject CD/DVD from your MacBook or iMac

How to eject CD/DVD from your MacBook or iMac. drutils, diskutil, drag-drop to trash can

Detect iPad in PHP, Perl, JavaScript, Nginx, Apache, Lighttpd

How to detect if the visitor is using an iPad. Programming in PHP, Perl and JavaScript. Server configuration for nginx, apache, lighttpd. .

Useful Chat URLs for iPhone and iPod Touch users

Important and useful Chat URLs for iPhone and iPod Touch users. .

Linux/Unix Section

Parsing Web Server Logs

Different ways of parsing web server logs. Finding unique IP addresses of visitors.

VirtualBox: How to access guest (CentOS) webserver from the host (Mac OS X) on NAT

This is an article how to access guest (CentOS) webserver from the host (Mac OS X) using NAT and Host-Only networks.

How to create an SSH connection without a password

This tutorial shows you How to create an SSH connection without a password. Useful for ssh, scp and cron jobs that require password-less logins.

HISTORY shell variable management in Unix/Linux

HISTORY shell variable management in Unix/Linux.

How to rename multiple files in Unix or Linux

How to rename multiple files in Unix or Linux from the prompt.

Play Prince of Persia on Ubuntu Linux using DOSBox

How to play Prince of Persia and other games on Ubuntu Linux using DOSBox.

Installing Ubuntu Linux in VirtualBox

Installing Ubuntu Linux in VirtualBox. Linux guest on Windows host.

Cron Task Scheduling

How to schedule tasks with cron.

Quick references for tar, gzip and bzip2

Quick reference commands to using tar, gzip and bzip2. Archive and uncompress tar, tar.gz and tar.bz2 files.

Unix find command with examples and common usage

Unix find command with examples and common usage.

Solaris Commands

Some frequently used Solaris commands. Useful for System Administrators.

How to remove CTRL M characters

This is a tutorial on how to remove the Control-M character ^M at the end of line. This usually happens when you save the file in Windows.

How to use the HTTP commands GET and HEAD

How to use GET and HEAD commands on the command line.

apt-get and dpkg commands in Debian

Some useful apt-get commands and resources.

How to install Ubuntu 7.10 Edition v1.0 on your Sony PSP

Install Ubuntu 7.10 version 1.0 on your Sony PSP.

Installing X Window on Debian

Installing X Window and Window Manager on Debian. Xorg.

Installing a webcam in Linux

Installing a webcam and setting up a live webcam site in Debian GNU/Linux.

My Linux Settings and Configuration Files

My Linux box settings are listed here, they include configuration files tcshrc, xmodmap, grub.conf, init.d files.

Changing file system from Ext2 to Ext3 in Debian

How to upgrade file system in Linux, How to install Debian Linux on your computer.

Installing Multimedia in Debian

Multimedia, Infrared, Bluetooth in Debian GNU/Linux.

File transfer using Linux or Unix

File transfer programs to use in Linux or Unix.

Installing the networking in Debian

Installing the networking in Debian Linux. .

Installing Applications and Servers in Debian GNU/Linux

Installing Applications and Servers in Debian Linux.

Upgrading the kernel in Debian

Upgrading the kernel to 2.6.16.x in Debian Linux.

How to Dual Boot with Linux and Windows XP

How to dual boot Windows XP with Linux. How to remove Grub and LILO.

How to change boot sequence between Windows and Linux

Changing boot sequence between Windows and Linux.

How to install Debian GNU/Linux on your computer

How to install Debian GNU/Linux on your computer.

Important and useful Linux and Unix commands

Some important and useful commands I learnt while installing Linux.

Apache Section

(128)Network is unreachable: connect to listener

(128)Network is unreachable: connect to listener. Apache error.

Test for SSL version

How to test for SSL version.

SSI Includes

How to embed CGI files and other files in HTML files using SSI includes.

Windows Section

How to rescue your files if Windows is busted

Rescue your important files if Windows is corrupted. Burn to CD or transfer to a remote location using System Rescue CD, Scp,Xfburn,gparted.

Windows Hacks, Tips and Tricks

This page contains Windows hacks and many tips on how to do things that are traditionally not displayed in the usual options in Windows.

How to uninstall the Microsoft Java Virtual Machine (JVM)

How to uninstall the Microsoft Java Virtual Machine (JVM).

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