Author: Admin

Link: Crontab Generator

Those of you that use Webmin already have something very similar to this in the System > Scheduled Cron Jobs tab, but for those who aren’t using Webmin, there’s this:

If you want to periodically perform a task (e.g. sending Emails, backing up database, doing regular maintenance, etc.) at specified times and dates, there are two ways to set scheduled tasks:

  • Method 1: Use our online cron job service that will save you a headache.
  • Method 2: Use Cron available in Unix/Linux systems.

If you go with method 2, the following generator can help you produce a crontab syntax that you can copy & paste to your crontab file (You can open the file by using command crontab –e). Below the generated crontab syntax, a list of run times will be displayed too. The predictions will help you ensure that you set the time and date right.

Link to full page:
Crontab Generator

Link: Create an Apple ID without using a Credit Card

Some apps, Google Earth for example, are available as free downloads in the iTunes Apps store but you need a UK or US based Apple ID to install them on to your iPad or Phone. Similarly, some iBooks and podcasts have geo restrictions and may only be available to iTunes users who are logged in with an Apple ID for one of the available countries.

The workaround is simple…..

Full article here:
Create an Apple ID without using a Credit Card (Digital Inspiration)

Links: Linux Fundamentals, Parts 1-4

Welcome to “Linux fundamentals,” ….. designed to prepare you for the Linux Professional Institute’s 101 exam. ….. By the end of this series of tutorials (eight in all), you’ll have the knowledge you need to become a Linux Systems Administrator and will be ready to attain an LPIC Level 1 certification from the Linux Professional Institute if you so choose.

Full articles here (source: funtoo linux):
Linux Fundamentals, Part 1
Linux Fundamentals, Part 2
Linux Fundamentals, Part 3
Linux Fundamentals, Part 4

Link: Linux Troubleshooting: How To Keep A Process Running After Putty Or SSH Session Closed?

Mostly, I use SSH command to connect to my remote server. Unfortunately, today the power is gone and the Ethernet hub is turned off, so my SSH session was lost. What do you do if an important task is going on after losing your SSH session? Here is the simple tool called Tmux to keep a process running  after the SSH or Putty session lost.

Full article here:
Linux Troubleshooting: How To Keep A Process Running After Putty Or SSH Session Closed? (Unixmen)

Link: 6 Cool Uses of Linux Live CDs

One of the good (or bad) things about Linux is that there are a lot of different distributions and almost all of them come in the form of live CDs. For the casual user, you might be wondering why in the world you need a live Linux CD when you have a functional operating system installed in your system. Here are some of the reasons why you should always have a Linux live media, and it might even save your computer’s life.

Full article here:
6 Cool Uses of Linux Live CDs (Make Tech Easier)

Link: Understanding Linux File Permissions

The Unix operating system (and likewise, Linux) differs from other computing environments in that it is not only amultitasking system but it is also a multi-user system as well.

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In order to make this practical, a method had to be devised to protect the users from each other. After all, you could not allow the actions of one user to crash the computer, nor could you allow one user to interfere with the files belonging to another user.

This lesson will cover the following commands:

  • chmod – modify file access rights
  • su – temporarily become the superuser
  • chown – change file ownership
  • chgrp – change a file’s group ownership

Full article here:
Understanding Linux File Permissions (Project: Fenix)

Link: How to Create YouTube Playlists without Logging In

There’s however a simple URL hack that will let you create “virtual” playlists on YouTube – they are like regular playlists except that they are not connected to any Google account and you can still add or remove videos on the fly.

Full article here:
How to Create YouTube Playlists without Logging In (Digital Inspiration)

Link: 5 Grep Tools for Linux

As every Linux user surely knows, grep is a reliable command-line tool for in-depth file searching. Still, many beginners avoid it because they dislike the terminal. The apps presented in this article aren’t exactly alternatives to grep because in some usage scenarios grep is truly irreplaceable. Instead, let’s call them visual upgrades for grep because they extend grep’s functionality and wrap it in a full-fledged graphical interface.

Full article here:
5 Grep Tools for Linux (Make Tech Easier)