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Linux Tip for the Day: Monitoring root in the password file

One of the popularly known method of breaking into a Unix host is by inserting a uid value 0 in the /etc/passwd file which could be done in many ways including backdoors for later accesses .

10 tips for improving your wireless network

1. Add a Wireless Repeater/Access Point to extend the range of your wireless network. Of course, extending the wireless network without wires is

How Do I Scan My Linux System For Rootkits, Worms, Trojans, Etc.?

Either install the package that comes with your distribution (on Debian you would run apt-get install chkrootkit

Where do the IP addresses come from?

You used to have to set up ip addresses, netmasks, gateways, and name resolvers all manually. Refer to any basic networking text to learn more about this aspect.


How to view hidden files in Mac OS X

There are two ways to do this, the 1st one which is the geeky way is by using a terminal, the other one is by downloading the application.

How to make your iPhone battery last for days

Recently, when standing in a field at Glastonbury, the idea came to us – was it really possible to make your iPhone battery last for several days?

Security Tips and Tricks for Mac Users

Contrary to popular belief, Mac are not immune to attacking, hacking and malware.

Security Tips and Tricks for Mac Users

Contrary to popular belief, Mac are not immune to attacking, hacking and malware. There has been an increase in Mac malware, though it’s still negligible compared with Windows malware - but security isn’t all about malware.

Security Tips and Tricks for Laptop Losers

Any one of the computer users above might own a laptop, and portable computers come with their own set of security issues, because they can easily be lost or stolen.

Rebooting Because of Fork Bombs

There is nothing more frustrating for an Administrator who has to reboot system due to fork bomb

Building a Linux supercomputer using SSH and PVM

If you have a couple of old Linux boxes sitting around, then you’ve got the makings of a supercomputer. Dust them off, install Secure Shell (SSH)

NFS between Solaris & Linux

If you receive error messages such as “unknown version” when attempting to mount a Linux based NFS server from Solaris

Separate Shell Command history

One other suggestion on how to separate shell command history files by terminal (It works on HP-UX):

How To Set Up Database Replication In MySQL

This tutorial describes how to set up database replication in MySQL. MySQL replication allows you to have an exact copy of a database from a master server on another server (slave), and all updates to the database on the master server are immediately replicated to the database on the slave server so that both databases are in sync.


Linux Tip of the Day - Reset MYSQL password

If you forgot your mysql password and you have root access, just follow this steps.

Linux Tip of the Day - Transferring mulibyte files

Do you find trouble in transferring multibyte binary data files to Windows and then read through HexEditor ?

Linux Tip of the Day - Find and edit strings

Ever found a need to find for a particular string across the file system and edit all those files which contains that particular string?? Here is a simple way.

Linux Tip of the Day - Removing files with bad filenames

If a file has a special character, Unix will try to interpret the character. Renaming these type of files cannot be done with a simple “mv”… will have to be done using the file’s inode.

Linux Tip of the Day - Variable usage i or ii

In cases like the following, you will notice a variable, $i, put into use. Variables such as “i, j, k” are commonly used not only in simple shell scripts, but all types of code.

Linux Tip of the Day - tail with color

Here is how to monitor a growing file and have it highlight a KEYWORD:

Carrots are good for you

Most often when we try to execute a command at the shell we do some mistakes like missing out a char or misspelling it.

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