history red hat linux operating system

Red Hat Linux Networking , System Administration (P1) ppt

Ngày tải lên : 07/07/2014, 09:20

... 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...

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Red Hat Linux Networking , System Administration (P2) pot

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 control 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...

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Red Hat Linux Networking , System Administration (P3) potx

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 ... which operating systems to boot. In the center of the Boot Loader screen is a box that shows any operating systems, if there are any, that were detected on your system. The Red Hat Linux system ... installation section. Creating the Red Hat Boot Disk To boot Red Hat Linux for the first time and start the Red Hat Linux installation program, you need a Red Hat boot disk. For this step, you...

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Red Hat Linux Networking , System Administration (P4) ppsx

Ngày tải lên : 07/07/2014, 09:20

... the 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 ... 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 ... 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...

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Red Hat Linux Networking , System Administration (P5) potx

Ngày tải lên : 07/07/2014, 09:20

... 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 ... the folder that contains the system mount point for the CD-R drive. Double-clicking this icon displays the contents of the CD-ROM disk that you inserted in the CD-R drive. ■■ Filesystem — This ... copy the ks.cfg file that you created to the /media/floppy directory. Creating a Bootable CD-ROM To create a bootable CD-ROM, follow these instructions. 1. Place the Red Hat Linux Installation CD-ROM...

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Red Hat Linux Networking , System Administration (P6) ppt

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 operating system loads programs ... system administrator or other users. The bin directory cannot contain subdirectories. ■■ boot — On Red Hat systems, this is the directory containing the kernel, the core of the operating system. ...

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Red Hat Linux Networking , System Administration (P7) pps

Ngày tải lên : 07/07/2014, 09:20

... Enterprise Linux provide support for many file systems. Linux supports those from other operating systems, remote file systems, memory file systems, CD-ROM file systems, virtual file systems, ... 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 ... 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...

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Red Hat Linux Networking , System Administration (P8) ppsx

Ngày tải lên : 07/07/2014, 09:20

... directory should be edited by hand. For more information 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 management 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...

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Red Hat Linux Networking , System Administration (P9) ppsx

Ngày tải lên : 07/07/2014, 09:20

... Window System 209 15_599496 ch09.qxd 8/30/05 6:23 PM Page 209 205 This chapter introduces you to the X Window system that is used to provide a graphical user interface (GUI) to the operating system. ... printer attached to a different UNIX system 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...

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Red Hat Linux Networking , System Administration (P11) ppt

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...

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Red Hat Linux Networking , System Administration (P12) ppsx

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 network to all machines that participate in the NIS domain. Originally developed by Sun Microsystems, NIS was first known...

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Red Hat Linux Networking , System Administration (P13) pot

Ngày tải lên : 07/07/2014, 09:20

... Novell Networks With Red Hat Enterprise Linux, you can easily configure your system to connect 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...

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Red Hat Linux Networking , System Administration (P14) pps

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 remote user full control over that system. More suc- cinctly, VPN makes a remote system part of the main network; VNC gives a remote user control over one system on the main network. For more...

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Red Hat Linux Networking , System Administration (P15) ppsx

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, ... 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 ... network interface eth0 (-i eth0) that are destined for port 80 ( dport 80). The modification that occurs is that packets going to port 80 are redirected (-j REDIRECT) to port 3128 ( to-port 3128),...

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Red Hat Linux Networking , System Administration (P16) ppsx

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...