OPS335 Exam Review

Winter 2012 Semester

Exam Format

• Matching 20 marks
• Short Answer Qestions 20 marks
• Complete the Task Questions 40 marks (choose 5 out of eight tasks)

Important Concepts and Terminology

• Fedora Linux release code name
• file system table
• Linux system information provided by uname -a
• UUID of a file system
• /boot file system
• / (root) file system
• Configure a Linux machine as a network gateway
• systemd, native and non-natvie systemd services
• default runlevels
• Virtual Machine Manager: virt-manager
• netfilter and iptables
• tables and chains
• built-in chains and user defined chains
• built-in chain policy
• add, delete, list, save, and restore rules to iptables
• yum list, yum install, yum groupinstall, yum remove, and yum update
• DNS server using BIND: configure file and zone files
• Primary name server, secondary name server, and caching only name server
• Name service switch configuration
• DNS queries, Zone transfer, and DNS caching
• SOA, NS, A, PTR, CNAME, and MX resource records
• mail, sendmail, and postfix
• email and MX record
• mail queue and mail log
• smtp, imap, and pop3
• port forwarding using iptables/netfilter
• NAT (network address translation) using iptables/netfilter
• load balancing using iptables/netfilter
• Apache: log file, default server root, default document root, default configuration file
• ftp server: active mode and passive mode
• netfilter's ftp connection tracking module: nf_conntrack_ftp
• packets logging using iptables/netfilter
• NFS and automount
• NFS server's export options
• NFS client's mount options
• automount maps: /etc/auto.master, /etc/auto.home
• RPC and portmapper
• NIS and centralize user account information
• NIS: Makefile, make, domain, maps
• Samba, SMB/CIFS, and NetBIOS
• Samba: testparm, smbpasswd, pdbedit, smbclient, smb, and nmb
• backup, rsync, and cron

Configuration file

• File System: /etc/fstab
• Systemd: /etc/systemd/*, /lib/systemd/*
• Netfilter/iptables: /etc/sysconfig/iptables
• DNS
  • server's main configuration file: /etc/named.conf
  • resolver (DNS client) configuration file: /etc/resolv.conf
• Postfix configuration file
• Apache configuration files
• Dovecot configuration file
• Vsftp configuration file
• NFS
  • Server configuration file /etc/exports
  • idmapd configuration file
  • Client configuration file /etc/fstab
  • Automount configuration files
• NIS
  • Server configuration file /var/yp/Makefile, /etc/sysconfig/network
  • Client configuration file /etc/yp.conf, /etc/nsswitch.conf, and /etc/sysconfig/network
• Samba configuration file smb.conf
• cron configuration file

commands and programs

• all commands used in the labs and assignments

• all programs used in the labs and assignments