Showing posts with label Secure operating system. Show all posts
Showing posts with label Secure operating system. Show all posts

Sunday, July 8

How to Create an Encrypted Partition


How to Create an Encrypted Partition

Case I:--

In GUI Mode:

1)    Go To Application
2)    System Tool
3)    Disk Utility
4)    Select HDD --------à Select Free Space ------à Create Partition -----à Give Size
5)    Have To Check on encrypted underline device option
6)    Then Click Create then give Passphrase(Password)
7)    Then Create

Saturday, July 7

How To Break Root Password in Linux



How To Break Root Password

Case I:--

If Bootloader don't have password or we know bootloader password
Key Points:--
1.    Select Redhat linux title and press E to edit
2.    Press E to edit kernel line
3.    then type 1 after giving single space
4.    Below Editing
5.    kernel /vmlinuz-2.6.32-71.el6.x86_64 ro ....................crashkernel=auto rhgb quiet
6.    After Editing
7.    kernel /vmlinuz-2.6.32-71.el6.x86_64 ro......................crashkernel=auto rhgb quiet 1
8.    Then Enter and boot by B

Benefits of RHCE


Benefits to earning a Red Hat certification
  • Recognition in the industry
  • Increased customer confidence
  • Proof of knowledge and skills
  • Certification verification tool for employers
  • Use of the certification logo on business cards
  • Ability to access multiple Red Hat Certificated Professional online communities (like Facebook and LinkedIn)

Red Hat Certified Engineer — RHCE



An RHCE® certification is earned by a Red Hat® Certified System Administrator (RHCSA) who has demonstrated the knowledge, skill, and ability required of a senior system administrator responsible for Red Hat Enterprise Linux® systems. Professionals holding this certification have continually helped their companies with successful deployments and migrations.
Prerequisites

Linux and GNU



Linux and GNU

Although there are a large number of Linux implementations, you will find a lot of similarities in the different
distributions, if only because every Linux machine is a box with building blocks that you may put together
following your own needs and views. Installing the system is only the beginning of a longterm relationship.
Just when you think you have a nice running system, Linux will stimulate your imagination and creativeness,
and the more you realize what power the system can give you, the more you will try to redefine its limits.
Linux may appear different depending on the distribution, your hardware and personal taste, but the
fundamentals on which all graphical and other interfaces are built, remain the same. The Linux system is
based on GNU tools (Gnu's Not UNIX), which provide a set of standard ways to handle and use the system.

Introduction Of Linux



Introduction Of Linux

We will start with an overview of how Linux became the operating system it is today. We
will discuss past and future development and take a closer look at the advantages and
disadvantages of this system. We will talk about distributions, about Open Source in general
and try to explain a little something about GNU.


This chapter answers questions like:
♦ What is Linux?
♦ Where and how did Linux start?
♦ Isn't Linux that system where everything is done in text mode?
♦ Does Linux have a future or is it just hype?
♦ What are the advantages of using Linux?
♦ What are the disadvantages?
♦ What kinds of Linux are there and how do I choose the one that fits me?
♦ What are the Open Source and GNU movements?