red hat linux desktop system requirements

... covered is the Red Hat Network, a subscription service available with Red Hat Enterprise Linux that you can use to keep your system current. You can register your systems with Red Hat and then ... mainframes. Linux in general, Fedora Core 4 and Red Hat Enterprise Linux in particular, are very powerful operating systems that can be used at the enterprise level as a full-fledged server. Linux ... We want to emphasize that this book is useful for users of Fedora Core, the open source community–based Linux project supported by Red Hat, as well as users of Red Hat Enterprise Linux. Preface ix 02_599496...

Ngày tải lên: 07/07/2014, 09:20

... subscribe to the Red Hat Linux security mailing list? (Find it at www.redhat.com/mailing-lists /linux- security/index.html.) Have you established a procedure that makes sure that every security ... whatever came on the com- puter, assuming that things came properly configured from the factory. The user or enterprise that decides on Linux has decided, also, to assume the con- trol that Linux ... Luckily for you, Red Hat has created the Red Hat Network, a program intended to help keep your system updated with the latest security updates. CROSS-REFERENCE Learn how to use the Red Hat Network...

Ngày tải lên: 07/07/2014, 09:20

... Red Hat boot disk starts your PC and the Red Hat Linux installation program. After you install Red Hat Linux, you no longer need the Red Hat boot disk (except when you want to reinstall Red Hat ... installation section. Creating the Red Hat Boot Disk To boot Red Hat Linux for the first time and start the Red Hat Linux installa- tion program, you need a Red Hat boot disk. For this step, you ... reinstall Red Hat Linux from the CD-ROMs). The Red Hat boot disk contains an initial version of the Red Hat Linux installation program that you use to start Red Hat Enterprise Linux, prepare the...

Ngày tải lên: 07/07/2014, 09:20

... or deselect that package group. TIP In an actual Red Hat Linux installation, you install exactly those package groups that you need. Each package group requires specific packages to run. The Red Hat installation ... PC. Atable then lists the Linux partition and any other partitions that may contain another operating system. If your system has a Linux partition and a DOS partition (that actually has Windows ... default operating system. The default operating system is the one with a check mark in the Default column in Figure 3-10. In this case, Red Hat Linux is the default operating system. All of the...

Ngày tải lên: 07/07/2014, 09:20

... get systemwide help and lock your desktop and log out. Figure 5-5 shows the Desktop menu. The following items are available on the Desktop menu: ■■ Preferences — This menu choice opens the System ... the system volume, use the utility here. ■■ System Settings — This menu item contains Enterprise Linux system administration utilities and some GNOME configuration utilities as well. ■■ System ... menu is the same as double-clicking the Computer icon on the desktop. ■■ System Settings — This menu item contains Enterprise Linux system administration utilities and some GNOME configuration...

Ngày tải lên: 07/07/2014, 09:20

... at the file system structure are the file system commands, essential to proper file system management. In addition to the native Linux file system, Fedora Core and Red Hat Enterprise Linux support ... Configuration All Red Hat systems, whether Fedora Core or Enterprise Linux, use a similar procedure for starting up the operating system. As the system boots, the oper- ating system loads programs ... express tour of the two most common desktops provided with Fedora Core and Enterprise Linux. The GNOME desktop is the default desktop that is installed when the system is installed. GNOME is very powerful,...

Ngày tải lên: 07/07/2014, 09:20

... handy since it reduces system administration time. This is a fast file system, and now you can read and write to and from it with your Red Hat Linux machine. Nonstandard Linux File Systems Support ... written and configured by Red Hat and Red Hat administration tools as well as files con- taining variable settings used by system startup scripts. /etc/sysconfig contains both system and networking ... more important system configuration files on your Red Hat system. Systemwide Shell Configuration Scripts These files determine the default environment settings of system shells and what functions...

Ngày tải lên: 07/07/2014, 09:20

... directory should be edited by hand. For more informa- tion on Red Hat Network, see the Red Hat Network Web site at https:// rhn.redhat.com. Examining the Network Configuration Files This section ... /etc/sysconfig directory Files to Change When Setting Up a System or Moving the System Whenever you set up a system to work on a new network, either because you’ve just installed Red Hat or you’re moving the machine from ... use it. APM is a monitoring daemon that works with power man- agement code within the Linux kernel. It can alert you to a low battery if you are using Red Hat Linux on a laptop, among other things. Figure...

Ngày tải lên: 07/07/2014, 09:20

... the system color depth, do the following: 1. On Enterprise Linux 4 choose Applications ➪ System Settings ➪ Dis- play to open the Display Settings dialog box. On Fedora Core 4 choose Desktop ➪ System ... printer attached to a different UNIX sys- tem that can be accessed over a TCP/IP network (for example, a printer attached to another Red Hat Linux system on your network). If you choose this type ... Managing the X Window System 211 file that was created during system installation. A description of the section of the file follows the file. # XFree86 4 configuration created by redhat-config-xfree86 Section...

Ngày tải lên: 07/07/2014, 09:20

... and Red Hat Enterprise Linux systems, the /etc/exports file is the main NFS configuration file. It lists the file systems the server exports, the systems permitted to mount the exported file systems, ... in Red Hat Linux) . rw Exports the file system read-write, permitting operations that change the file system. secure Requires client requests to originate from a secure (privileged) port, that ... hide an exported file system that is a subdirectory of another exported file system. ro Exports the file system read-only, disabling any operation that changes the file system. root_squash Maps...

Ngày tải lên: 07/07/2014, 09:20

... unique name that refers to any group of systems that use the same NIS maps. NIS domains function as system management tools providing a convenient method to organize groups of systems that need to ... well-run system, IP addresses can change, whereas a hostname won’t. If DNS is properly configured and maintained, the hostname will always point to the proper system regardless of what that system s ... NIS NIS distributes information that needs to be shared throughout a Linux net- work to all machines that participate in the NIS domain. Originally developed by Sun Microsystems, NIS was first known...

Ngày tải lên: 07/07/2014, 09:20

... Novell Networks With Red Hat Enterprise Linux, you can easily configure your system to con- nect to Novell Netware servers. In this section, you learn how to configure your Red Hat system to be a Novell ... also able to use the printers configured with the Red Hat system. Connecting to a Samba Client In this section, you learn how to connect your system to other systems running the SMB protocol. Connecting ... about a Linux program called Samba, which emulates the SMB protocol and can be used to connect Linux networks to Windows networks. You installed and configured Samba on a Red Hat Enterprise Linux...

Ngày tải lên: 07/07/2014, 09:20

... for your needs. In addition, the versions of PostgreSQL and MySQL that ship in Fedora Core and Red Hat Enterprise Linux lag somewhat behind the current stable versions of those products. At the ... remotely. So, if you’re at home and want to connect to the Linux system on your desk at work, the system at work is the server; the system at home is the VNC client. Figure 16-1 illustrates this ... a wrapper script that handles the persnickety details of starting Xvnc, the X Window System VNC server. Speaking more pre- cisely, Xvnc creates a VNC desktop on the server system to which VNC...

Ngày tải lên: 07/07/2014, 09:20

... cut by a backhoe, say), access to that time server will be impaired. NTP is engineered to select an alternative server, but if all your servers use that same severed backbone, you’re hosed. So, ... -title “$VNCDESKTOP Desktop & #twm & Listing 16-2 xstartup modified to display your standard desktop. The modified xstartup file starts your usual desktop because it invokes the system xinitrc ... modify your system s firewall setup (you are running a firewall, right?). 1. To start the Security Level Configuration tool, select Red Hat ➪ System Settings ➪ Security Level or type system- config-securitylevel at...

Ngày tải lên: 07/07/2014, 09:20

... and Linux system security, see Chapter 34. iptables is Fedora’s and Red Hat s built-in IP firewall administration tool. Using iptables enables you to run a personal firewall to protect your Linux machine. ... Linux machines versatile workhorses that can fulfill many different functions in a company’s network. This chapter covers the wide range of common services that come standard with every Red Hat ... important program that has been around for several years. It incorporates new features that have been desired by system administrators for a few years now. xinetd starts at system boot time, and...

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20

Ngày tải lên: 07/07/2014, 09:20