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In the previous chapter, you learned about Linux processes. We discussed the init process,
which is the grandparent of all other processes. We also discussed how to use init scripts
to start and stop services on the system. In this chapter, we’re going to build upon this
knowledge and go into depth about the Linux boot process. We’ll discuss the following topics: Managing the Linux Boot Process
For your Linux+ exam, you need to have
a sound understanding of how the Linux
boot process works.
In this part
• Network Interface (naming, type ....)
• Network Configuration Files
• Interface control command and scripts
• Basic routing using route command
• The first Ethernet NIC is given the alias
eth0, the second Ethernet NIC is given
the alias eth1, and so on.
• Loopback lo.
LINUX IS A MULTIUSER, multitasking operating system from the ground up, and in
this regard the system administrator has flexibility — and responsibility — far
beyond those of other operating systems. Now, Red Hat has employed innovations
that extend these duties even for the experienced Linux user. In this chapter, we
look at those requirements.
The two different types of Linux kernel are:
A monolithic kernel is one which has support for all hardware, network, and filesystem
compiled into a single image file.
A modular kernel is one which has some drivers compiled as object files, which the kernel can load
and remove on demand. Loadable modules are kept in /lib/modules.
The advantage of a modular kernel is that it doesn’t always need to be recompiled when hardware is added
or replaced on the system.
Fedora Core là một hệ điều hành đầy đủ dành cho máy để bàn hoặc máy Server
với phần mềm có mã nguồn mở
Vòng đời của Fedora Core
Fedora Core là một hệ thống có tốc độ phát triển rất nhanh nó cho
phép nhân viên kỹ thuật triển khai nhanh một hệ thống.
Bản hướng dẫn này giúp bạn cài đặt Fedora Core trên máy để bàn, máy sách
tay và server.
More complex networking services in Red Hat Linux require more advanced
administration methods. While graphical tools such as Network Configuration
(via the redhat-config-network command) are available to assist in configuring
all aspects of Linux networking, the best way to learn networking is by practicing with the key
command line utilities and associated configuration files.
As Bill Lubanovic and I were putting the final touches on this book, I overheard a
conversation between two coworkers in our Cisco lab discussing Linux. The senior
networking guru of the two made an interesting remark. He said that despite all his
knowledge, he felt incomplete as a professional because he had never learned Linux.
A moment later he and the other gentleman turned to me and looked me square in
the eyes. I smiled and went on working.
That evening, our director of Information Technology made an offhand remark to
me during a conference that struck me as unusual.
Mohammed Kabir is the founder and CEO of Evoknow, Inc. His company specializes
in open-source solutions and customer relationship management software development.
When he is not busy managing software projects or writing books, he enjoys
traveling around the world. Kabir studied computer engineering at California State
University, Sacramento. He is also the author of Red Hat Linux Server and Apache
Server Bible. He can be reached at email@example.com.
This authoritative guide will help you secure your Linux network--whether you use Linux as a desktop OS, for Internet services, for telecommunications, or for wireless services. Completely rewritten the ISECOM way, Hacking Exposed Linux, Third Edition provides the most up-to-date coverage available from a large team of topic-focused experts. The book is based on the latest ISECOM security research and shows you, in full detail, how to lock out intruders and defend your Linux systems against catastrophic attacks....
Building a linux vertual server system offers highly - available and scaluble solution for production services using specialized routing and load balancing tenique configured through the PIRANHA.Since the first desktop computers emerged in the late 1970s and early 1980s, the power, speed and storage capacity has increased radically, especially in recent years. Indeed, the whole approach to computing and database management has shifted...
LINUX: Rute Users Tutorial and Exposition is the only Linux sysadmin's guide proven by 50,000+ Web users. It presents in-depth coverage of all aspects of system administration: user management, security, networking, Internet services, packages, config files, shell scripting, and more. It also contains detailed cross-references to LPI and RHCE certification topics, making it invaluable for exam preparation.
SUSE Linux is gaining popularity everywhere, and you'll soon see why. This friendly guide will help you install and configure the newest version, then help you work with digital media, build a network, get acquainted with Firefox (the super-secure browser that has everybody excited),explore Skype and Linphone Internet phone services, and much more!
Ensure that systems are kept up-to-date with patches. As a result of security testing, it may become
necessary to patch many systems. Applying patches in a timely manner can sharply reduce the
vulnerability exposure of an organization. Organizations should centralize their patching efforts so as to
ensure that more systems are patched as quickly as possible and immediately tested.
Look at the big picture. The results of routine testing may indicate that an organization should
readdress its systems security architecture.
Security vendors strive to provide new and innovative products and services that
allow customers to rapidly deploy and provide optimal protection against today's
continually evolving and sophisticated threat ecosystem.
Despite these ongoing efforts, traditional security solutions and approaches by
themselves sometimes fall short in protecting enterprises against many of today's
complex and zero-day attack forms. The reality is that due to existing unknown
security gaps and vulnerabilities, current enterprise infrastructure security is not