LINUX OPERATING SYSTEM SECURITY FEATURES

Gaia Administration Guide R75.40 | 9 Chapter 1 Gaia Overview Gaia is Check Point's next generation operating system for security applications. In Greek mythology, Gaia is the mother of all, representing closely integrated parts to form a single, efficient system. The Gaia Operating System supports[r]

357Chapter 21: Introduction to Linux Systems AdministrationYou can use the dash (-) as an optional parameter. This character tells su not only to switch identities, but to run the login scripts for that user as well. For example, if you are logged in as root and want to switch to user sshah with all[r]

Terminal ServersTerminal servers allow remote access to applications using thin-client technology.A benefit ofTerminal Services is that users can run programs that they might otherwise be unable to use. Forexample, a user running an older version of Windows might need to use Office XP, but she doesn’t[r]

much harder to develop for.) Today, embedded computers are as powerful as, if not more than, amodern home computer. (Consider the high-end gaming consoles, for example.)Along with this power comes the capability to run a full-fledged operating system such as Linux.Using a system such as Linux for an[r]

password, you have to change the password.ߜ Managing the printing system. You have to turn the print queue on oroff, check the print queue’s status, and delete print jobs if necessary.ߜ Installing, configuring, and upgrading the operating system and vari-ous utilities. You have to install or upgrade[r]

including access to the CPU; peripheral devices, such as disk, DVD, and CD-ROM storage; printers;and tape drives. Programs interact with the kernel through system calls, special functions withwell-known names. A programmer can use a single system call to interact with many kinds of devices.For examp[r]

 Many types of resources - Some (such as CPU cycles,mainmemory, and file storage) may have special allocation code, others (such as I/O devices) may have general request and release code. z Accounting - To keep track of which users use how much and what kinds of computer resourcesz Protection and s[r]

HỆ ĐIỀU HÀNH MẠNGNHỮNG CHỦ ĐỀ CHÍNH•Giới thiệu Microsoft NOS (Network Operating System)•Mô hình Workgroup, DomainGIỚI THIỆU VỀ NOS•Microsoft :–Windows 9x, me–Windows NT–Windows 2000, XP–Windows 2003•Unix : Sun Solaris•Linux :–Redhat–Suse •…TRÌNH BOOT 2K/XP/20031. Power On Self Test (POST)2.

OReilly JavaServer Faces 0596005393 OReilly JavaServer Faces 0596005393 OReilly Linux Unwired isbn 0596005830 OReilly Linux Unwired isbn 0596005830 OReilly Linux Unwired isbn 0596005830 OReilly Linux Unwired isbn 0596005830 OReilly Network Security Hacks ISBN 0596006438 OReilly Network Security Hack[r]

1 I- TỔNG QUAN VỀ SELINUX: 1.1 SELinux là gì? SeLinux là các phiên bản Linux có gia cố thêm hệ thống bảo mật của Hệ điều hành. Nghĩa là nó vẫn là một phiên bản linux bình thƣờng nhƣ Redhat hay Fedora Core nhƣng có cài đặt thêm hệ thống Security Enhanced. SELinux xây dựng cơ chế ràng buộc (security e[r]

Trước 1992, UNIX là tên thuộc sở hữu của AT&T. Từ 1992, khi AT&T bán bộ phận Unix cho Novell, tên Unix thuộc sở hữu của X/Open foundation. Tất cả các hệ điều hành thỏa mãn một số yêu cầu đều có thể gọi là Unix. Ngoài ra, Institute of Electrical and Electronic Engineers (IEEE) đã thiế[r]

combination while the system is performing its power-on self test (POST). Ifyou don’t make any changes to the BIOS configuration, most systems bydefault will look for a bootable floppy disk or CD-ROM before moving on tothe system hard drives. Usually the first hard drive that boots is the masterIDE[r]

372Networking: A Beginner’s GuideVirtual machines are created using a wizard-like process that walks you through making all the appropriate choices. Here are the steps:1. Click the Create Virtual Machine link in the VMware Server console’s Command pane. You see the Create Virtual Machine screen, as[r]

(CRM) or enterprise resource planning (ERP) may need authentication and several other software applications that might have incorporated different authentication procedures. By deploying a SSO solution, the user would be able to logon a single time and gain access to all these services, instead of h[r]

327Chapter 21: Introduction to Linux Systems AdministrationN The Password Info tab lets you set password expiration settings for the selected user account. N The Groups tab lets you assign security group membership to the selected user account.To remove a user, from the main User Manager window, sel[r]

The C shell, developed by Bill Joy at Berkeley, is provided with all the BSD releases. Additionally, the C shell was provided by AT&T with System V/386 Release 3.2 and is also in System V Release 4 (SVR4). (We'll have more to say about these different versions of the UNIX System in the next[r]

Bảo Mật MailServer1, Chức năngserver.2, Đĩa cứu hộ.3, Bản vá và nâng cấp hệ thống.Cài đặt tự động cập nhậtAPT:+unattended-upgrades#sudo apt-get install unattended-upgrades#sudo dpkg-reconfigure -plow unattended-upgrades#nano /etc/apt/apt.conf.d/50unattended-upgradesThêm vào blacklisted để không tự đ[r]

2.1. What Is OpenBSD? OpenBSD is a Unix-like computer operating system that is widely regarded for its excellent documentation and its fanatical focus on security. In October of 1995, Theo de Raadt forked the NetBSD code and formed OpenBSD with the goal of making a free (in the context of rights, no[r]

● What is the Boot Loader?❍ First stage: The boot loader locates and reads into memory the first stage of an operating system. Second Stage: The boot loader then transfers control to the rest of the operating system.❍ In order for a medium to be bootable, the boot loader must be on one of the follow[r]

Then I wondered if any method similar to the one on windows exists to improve the computer’s performance. Subsequently, I began a search on the Internet and read several books to get the most information on security and performance for my server. After many years of research and studies I had finall[r]