LPIC-1 Linux Professional Institute Certification Study Guide. Richard Blum
Читать онлайн книгу./etc/localtime
, /usr/share/zoneinfo
, environment variables (LC_*
, LC_ALL
, LANG
, TZ
), /usr/bin/locale
, tzselect
, tzconfig
, date
, iconv
, UTF-8, ISO-8859, ASCII, Unicode
108 Essential System Services
108.1 Maintain system time ( Chapter 7 )
● Set the system date and time
● Set the hardware clock to the correct time in UTC
● Configure the correct time zone
● Basic NTP configuration
● Knowledge of using the pool.ntp.org
service
● Awareness of the ntpq
command
● The following is a partial list of the files, terms, and utilities covered in this objective: /usr/share/zoneinfo
, /etc/timezone
, /etc/localtime
, /etc/ntp.conf
, date
, hwclock
, ntpd
, ntpdate
, pool.ntp.org
108.2 System logging ( Chapter 7 )
● Configuration of the syslog
daemon
● Understanding of standard facilities, priorities, and actions
● Configuration of logrotate
● Awareness of rsyslog
and syslog-ng
● The following is a partial list of the files, terms, and utilities covered in this objective: syslog.conf
, syslogd
, klogd
, /var/log
, logger
, logrotate
, /etc/logrotate.conf
, /etc/logrotate.d/
, journalctl
, /etc/system/journal.conf
, /var/log/journal/
108.3 Mail Transfer Agent (MTA) basics ( Chapter 9 )
● Create email aliases
● Configure email forwarding
● Knowledge of commonly available MTA programs (postfix, sendmail, qmail, exim) (no configuration)
● The following is a partial list of the files, terms, and utilities covered in this objective: ∼/.forward
, sendmail emulation layer commands, newaliases
, mail
, mailq
, postfix, sendmail, exim, qmail
108.4 Manage printers and printing ( Chapter 6 )
● Basic CUPS configuration (for local and remote printers)
● Manage user print queues
● Troubleshoot general printing problems
● Add and remove jobs from configured printer queues
● The following is a partial list of the files, terms, and utilities covered in this objective: CUPS configuration files, tools and utilities; /etc/cups
; lpd
legacy interface (lpr
, lprm
, lpq
)
109 Networking Fundamentals
109.1 Fundamentals of Internet protocols ( Chapter 8 )
● Demonstrate an understanding of network masks and CIDR notation
● Knowledge of the differences between private and public “dotted quad” IP addresses
● Knowledge about common TCP and UDP ports (20, 21, 22, 23, 25, 53, 80, 110, 123, 139, 143, 161, 162, 389, 443, 465, 514, 636, 993, 995)
● Knowledge about the differences and major features of UDP, TCP, and ICMP
● Knowledge of the major differences between IPv4 and IPV6
● Knowledge of the basic features of IPv6
● The following is a partial list of the files, terms, and utilities covered in this objective: /etc/services
, IPv4, IPv6, subnetting, TCP, UDP, ICMP
109.2 Basic network configuration ( Chapter 8 )
● Manually and automatically configure network interfaces
● Basic TCP/IP host configuration
● Setting a default route
● The following is a partial list of the files, terms, and utilities covered in this objective: /etc/hostname
, /etc/hosts
, /etc/nsswitch.conf
, ifconfig
, ifup
, ifdown
, ip
, route
, ping
109.3 Basic network troubleshooting ( Chapter 8 )
● Manually and automatically configure network interfaces and routing tables to include adding, starting, stopping, restarting, deleting, or reconfiguring network interfaces
● Change, view, or configure the routing table and correct an improperly set default route manually
● Debug problems associated with the network configuration
● The following is a partial list of the files, terms, and utilities covered in this objective: ifconfig
, ip
, ifup
, ifdown
, route
, host
, hostname
, dig
, netstat
, ping
, ping6
, traceroute
, traceroute6
, tracepath
, tracepath6
, netcat
109.4 Configure client-side DNS ( Chapter 8 )
● Query remote DNS servers
● Configure local name resolution and use remote DNS servers
● Modify the order in which name resolution is done
● The following is a partial list of the files, terms, and utilities covered in this objective: /etc/hosts
, /etc/resolv.conf
, /etc/nsswitch.conf
, host
, dig
, getent
110 Security
110.1 Perform security administration tasks ( Chapter 10 )
● Audit a system to find files with the SUID/SGID bit set
● Set or change user passwords and password aging information
● Be able to use nmap
and netstat
to discover open ports on a system
● Set up limits on user logins, processes, and memory usage
● Determine which users have logged in to the system or are currently logged in
● Basic sudo
configuration and usage
● The following is a partial list of the files, terms, and utilities covered in this objective: find
, passwd
, lsof
, nmap
, chage
, netstat
, sudo
, /etc/sudoers
, su
, usermod
, ulimit
, who
, w
, last
110.2 Set up host security ( Chapter 10 )
●