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25 Cards in this Set
- Front
- Back
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/etc/hosts
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A text file that holds mapping of host name to IP addresses
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/var/log
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The file on a Linux system that keeps track of all logons and logoffs to the system
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apache
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The most popular web server for Linux installations
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BIND
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The Linux DNS package used to resolve host names to IP addresses which installs a server under the filename named
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daemon
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A program that runs constantly, providing background services. Linux servers are typically implemented as daemons, although there are a few nonserver daemons
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debug
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The process of eliminating problems with a program
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dhclient
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One of three "client" programs that allows a workstation to have its IP address settings remotely configured
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gateway
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A computer that functions as a router between two networks
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grep
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Locates files that include a specified search string
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Head
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Displays the first 10 lines of a text file
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ifconfig
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Configures a network interface, or displays information on that configuration
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inetd
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A server that listens for network connections on behalf of other servers and then launches the target servers as required
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less
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Displays a text file a page at a time. Provides more features than the more command
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localhost
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The default name given to a Linux machine
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man
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Displays help information on a command, configuration file or other system feature
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modprobe
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The utility used to load a network hardware driver
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ping
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Sends a single packet to a target systems, which should, reply, confirming the existence of a basic connection
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Postfix
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The default mail server for several Linux distributions such as Mandrake and SuSE. Simpler to configure than Sendmail, it uses a single configuration file
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Samba
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The program provides file and print services for various Microsoft Windows clients and can integrate witha Windows Server domain, either as a Primary Domain Controller (PDC) or as a domain member. It can also be part of an Active Directory domain
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Sendmail
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The most common email program on the internet. Several distributions such as Fedora, Red Hat and Slackware use it as the default mail server program
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syslog
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The configuration file used by the log daemon
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tail
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Displays the last 10 lines of a text file
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traceroute
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Traces the route taken by packets between two computers, enabling you to isolate problems to specific areas of the trip
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uptime
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Displays the time the system has been running, as well as three load averages (for the past minute, past 5 minutes,and the past 15 minutes)
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whois
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A utility to search a database for a domain name, IP address, or NIC name and usually contains administrative and technical contacts so that you can find a person to handle problems at that domain
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