Download e-book for iPad: Advanced Linux Networking by Roderick W. Smith

By Roderick W. Smith

ISBN-10: 0201774232

ISBN-13: 9780201774238

More and more, Linux is used to force networks in mission-critical environments -- and system/network directors operating in these environments should have some distance deeper services than ever sooner than. complex Linux Networking choices up the place traditional Linux books go away off, supporting skilled Linux method and community directors accomplish extra -- and resolve extra difficulties -- than they could with the other ebook. Its breadth and intensity make it an outstanding single-volume reference for each Linux expert. The booklet is based into 4 sections, each one necessary to the operating Linux administrator: Low-Level Configuration, neighborhood community Servers, net Servers, and community defense and Router features. In-depth insurance contains: kernel and TCP/IP configuration, substitute community stacks, server startup scripting, DHCP configuration, Kerberos authentication, printer sharing, mail protocols, distant login servers, GUI entry, distant approach management, community backups, iptables firewalls, and VPNs. The book's vast part on net companies exhibits the best way to deal with digital domain names and safe websites; examine Apache log documents; and run FTP servers; and comprises specified assurance of SMTP-based e-mail platforms. one of the subject matters coated in unparalleled intensity: configuring Kerberos; operating time servers, font servers, and chroot jails; and utilizing Samba's scripting services to burn CDs and create PDFs. for each skilled Linux method or community administrator, and for Linux strength clients with network-related tasks.

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Example text

In most cases, a simple ifconfig command will suffice to activate an interface. 0 mtu 1420 The netmask specifies which parts of an IP address correspond to the network address, and which parts identify a specific computer. A computer uses this information in determining how to address outgoing packets, so setting it incorrectly can result in some computers being inaccessible. When converted to binary, the netmask consists of a series of binary 1 values followed by a series of binary 0 values. 0 is twenty-four 1 values followed by eight 0 values.

Such configurations are seldom worthwhile with desktop systems, because Ethernet cards are inexpensive and provide much faster connections. You might want to use this type of link when connecting a desktop system to a palmtop computer, though, or for a temporary connection if you don't want to bother installing network cards. PPP isn't the only type of dial-up connection that Linux supports. The kernel includes support for the older Serial Line Internet Protocol (SLIP), which serves much the same function as PPP.

If you should need to do this manually for any reason, you may use the insmod command to do the job: # insmod ne This command will load the ne module, making it available for use. local. If your connection uses PPP, SLIP, or some other software protocol for communicating over serial, . com to register it. Thanks parallel, or other traditionally nonnetwork ports, you must load the drivers for the port itself and for the software protocol in question. You do this in the same way you load drivers for a network card—by building the code into the kernel file proper or by placing it in a module and loading the module.

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Advanced Linux Networking by Roderick W. Smith

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