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Linux + Chapter 13
Chapter 13 Configuring Network Services
Question | Answer |
---|---|
Networking services that provide network and operating system-specific functionality to other computers on the network. | infrastructure services include DHCP, DNS, NTP, NIS. |
Process by which a DHCP client requests IP configuration from a DHCP server. | DHCP Lease |
A portion of the domain name space that is administered by one or more DNS servers. | zone |
The first DNS server in a zone. | Master or primary DNS server |
All additional DNS servers. | slave or secondary DNS servers |
The process of copying resource records for a zone from a master to a slave DNS server. | zone transfer |
The standard that all DNS servers and DNS configuration files adhere to. | Berkeley Internet Name Daemon (BIND) |
A command that can be used to obtain a Web page from a Web server. | curl command |
Contains the list of DNS zones and their type (master/slave) that the name daemon will manage. | /etc/named.conf |
Contains resource records used to perform forward lookups for a particular zone_name. Lines in this file have a type that determines the type of resource record. | /var/named/zone_name.db or /var/named/zone_name.zone |
Records that provide additional aliases for A records. | CNAME (canonical name) |
contains resource records of type PTR (pointer),which list names used for reverse lookups for a particular network. | /var/named/reverse_network_ID.in-addr.arpa OR /var/named/network_ID.db OR /var/named/network_ID.zone |
A command that can be used to view and modify the system clock within the computer BIOS. | hwclock command |
One of the oldest Internet protocols still commonly used on the Internet. It is designed to simplify the setting of time and date information on computers across the Internet using UDP port 123. | NTP (Network Time Protocol) |
A set of software components that can be used to share files natively between UNIX, Linux, and Macintosh computers on a network. | NFS (Network File System) |
A set of software components that can be used to standardize the configuration files across several different Linux and UNIX computers. | NIS (Network Information System) |
The default document root directory. | /var/www/html |
Default Apache configuration file | /etc/httpd.conf/httpd.conf |
Each line within a configuration file. | directive |
A command that can be used to obtain performance benchmarks for a Web server such as Apache. | ab (Apache benchmark) command |
A command that can test NetBIOS name resolution on a Linux system. | nmblookup command |
A command used to generate a Samba password for a user. | smbpasswd command |
The default FTP server program used in modern Linux distributions. | vsftpd (Very Secure FTP daemon) |
A common FTP command that changes the current directory to directory on the local computer. | lcd directory |
Default e-mail server daemon. | Sendmail |
A common e-mail server daemon used on Linux systems that is easy to configure. | Postfix |
A command that can be used to rebuild the e-mail alias database based on the entries within the /etc/aliases file. | newaliases command |
Large file that stores important information in the form of tables. | database |
A language used by database servers to query, add, and modify the data within a database. | Structured Query Language (SQL) |
The program used to perform most database management on a PostgreSQL server. | PostgreSQL utility |
Creates a PostgreSQL database. | createdb |
A command that can be used to connect to check the /etc/samba/smb.conf file for syntax errors. | testparm command |