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Creating your own startup scripts is covered in Chapter 7, " The Linux Boot Process ". For example, the next two examples pass -v and --version to mutt (a popular text-based e-mail client) and emacs, respectively, to obtain their version numbers: $ mutt -v Mutt 1.2.5i (2000-07-28) Copyright (C) 1996-2000 Michael R. That is, educate staff as to just what the administrators do, what they are there for, in so many words. We can also customize the account further from here by editing the /etc/passwd file and changing some of the options such as the default home directory or default shell.

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It is a daemon that communicates over the network using the Printer Access Protocol (PAP). Chapter 5 Red Hat System Configuration Files IN THIS CHAPTER N Becoming familiar with the system configuration files N Becoming familiar with the network configuration files N Managing the init scripts THIS CHAPTER describes the file system and configuration files in a typical Red Hat Linux server. Secure Services There are common services, such as telnet and ftp, that were written in the days when everyone trusted everybody else on the Internet.

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If you want to dig deeper into disk I/O performance, use the option -x with iostat and specify the disk or the partition in which you are interested. -x reports $ iostat -d -x /dev/sda Linux 2.4.7-10 (marta.kurtwerks.com) Device: svctm sda 48.97 rrqm/s wrqm/s 0.27 0.44 0.79 r/s 0.31 w/s 0.59 10/26/2001 wsec/s avgrq-sz avgqu-sz 11.07 17.45 0.29 await 322.27 How should you interpret iostat’s output? ATAPI.setup from the wodim documentation. Your Linux system may already have created a mount point for you, it is usually something like /cdrom, /media/cdrom, /media/cdrom0 or /mnt/cdrom.

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A final section addresses a few common problems that do not fit into other categories. 767 768 Part V: Security and Problem Solving Solving Installation Problems The situations discussed in this section include problems with not being able to log in to the system after it has been installed, installing Star Office 5.2, the most common hardware-related gotchas, and installing Red Hat Linux on a laptop. Many people prefer thin Ethernet for small networks because it is very inexpensive; PC cards come for as little as US $30 (many companies are literally throwing them out now), and cable is in the range of a few cents per meter.

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If the default config files are used, the clients and servers in the network amiably resolve their various addresses automatically. In this, Part 1, we’ll review the scope of Webmin and the way in which it can assist the Web developer in server administration for domain management. If set to yes, field is replaced by x if the requesting port is an unprivileged port. Using, Administering and Programming/Developing/Designing Various Databases.

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Distros include system software and application software in the form of packages. Naturally, you write a script using your preferred editor. Figure 17-18, for example, shows the ARCnet devices dialog box — notice that all ARCnet support is disabled (the configuration items are greyed out) because n is clicked for ARCnet support. Therefore, the availability of services ought to be examined both internally and externally, that is, from inside the host itself, from inside the host’s trusted network, and from outside the host’s trusted network.

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All you need to do is enter the IP address, and the server returns the domain name. Its syntax is: groupadd [[-g gid [-o]] [-r] [-f] groupname groupname is the only required argument and must be the name of a nonexistent group. If you're still stuck, the details from lspci -v should give enough information on the card to search the web for the correct driver. Issue the command Then press Enter at the password request. Whether it is moving printers and other peripherals from one network to another, expanding the dimensions of interoperability or preparing for growth, multiport device servers can fulfill your needs, all without major rewiring.

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If you have trouble booting Windows from your second hard disk /dev/hdb after installing Red Hat Linux on the first hard disk, /dev/hda, the problem is that Windows expects to boot from the first hard disk. Notice also how the Bash command prompt changes to the secondary prompt (PS2), >, indicating that Bash needs more input to complete the command. May i ask one thing,I am a MCSE and CCNA holder and Graduate in English literature,but i am job less ,for a long one year i am looking for a job in such a field.i recognise my limitation ok eventhought.

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ERR is a counter that starts out at 0 at boot time and is incremented each time there is an error in the IO-APIC bus. One minor benefit is the dedicated parity disk allows the parity drive to fail and operation will continue without parity or performance penalty. Any other commands you may want to add to the system boot sequence can be added to the end of the file /etc/rc.d/rc.local. An information technology manager reigns supreme over an organization's IT realm. See also Samba boot disk, creating, 31–32 boot loader, 100 mixed networks, security, 19 monitors, setting up, 54 networks, connecting, 209 starting, 44 Windows (Microsoft) file systems access problems, 774 described, 72, 81 kernel, customizing, 451 Windows printers (Microsoft), enabling, 230–232 WinModems, 778 WKS, 289 workstations booting diskless, 302 client/server networking, 18 installation, tailored, 35–36 monitor, 29 packages, recommended, 52 RAM (random-access memory) needs, 28 writing archive files, 636, 637–638, 641 e-mail messages, 350–351 to file, MacBinary files (macsave), 78 scripts, 548–549 WU-FTPD server.

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The Server Status page, as shown in Figure 9-12, shows if the Samba daemons are running or not. This way, you can update the root partition if you need to, or easily back up your data partition without infecting it with system files. This book accommodate real examples that procure from the author’s experience as an Linux system administrator or a trainer. That is, if condition consists of multiple tests, only the last one (unless grouping using () is applied) affects the control flow.

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