CTY CNS OPS

Open System in CTY Program

OPSx55 template

• Specific Outcomes
• C1: Stuff to learn: Installing, Testing, and maintaining (add/remove/modified)
• C2: Basic shell command and script level x
• C3: Configuration files and configuration items
• C4: Log files and log entries (to understand the meaning of each log entry)
• C5: Backup and recovery when system breakdown or migration
• A6: Automation of tasks.

C1 - C5: Componets of the course - each topic has 5 components

• C1 - subject contents: what is it for? how does it work? how to make it available to the users? how to keep it running?
• C2 - shell command / script needed for the subject matter
• C3 - configuration files/items for the subject matter
• C4 - log files/entries for the subject matter
• C5 - what need to be backed up/recovered/migrated if required

A6 - Assignment : how to automate C1 to C5 if applicable

P1 - How to get it up and running according to specification? P2 - How to create a good backup for disaster recovery? P3 - How to restore the stuff after a disaster?

OPS155/ULI101

Open System Workstation

• Live CD/DVD
• Exploring File System
• Basic Command Line
  • mkdir, cd, rmdir, cp, rm, $?, $#, $$
  • absolute path, relative path
  • file, grep, cut, paste, join
  • date, ls, cat, echo
• Unix File Permission
• MD5SUm - upload/download file using ssh command

Specific Outcomes

Upon successful completion of this subject students should be able to:

• Use ssh, and sftp commands to access data contained on remote servers.
• Explain the role of the Unix shell, use elementary Bash shell scripting concepts to improve working efficiency, and customize a Unix login account using environment variables, and start-up scripts.
• Describe the directory layout of a typical Unix system, and maintain and secure Unix directories and files.
• Use basic Unix commands.
• Use Unix pipes and file redirection efficiently to manipulate data.
• Use common editors to edit text files.
• Form simple regular expressions to define patterns with various Unix commands.
• Perform decimal, binary, octal and hexadecimal numbering conversions.
• Use electronic mail.
• Create and maintain web pages using HTML.
• Use a live Linux distribution
• Install Linux and perform basic administrative tasks

OPS255

Open System Server

• Shell Command and Basic Shell Scripts
  • test, if..then..else
  • for item in $LIST .. do .. done
  • command substitution: list=$(command(s))
• Basic Linux Networking
  • ifconfig, route, netstat, ping, ip,
  • /etc/hosts, /etc/resolv.conf, /etc/services
• Server Administration
  • LVM,
  • SSH, DHCP, DNS, Email server (local), POP3, IMAP, remote

Specific Outcomes

Upon successful completion of this subject students should be able to:

• Install and configure a simple Linux server using multiple installation methods
• Configure multiple virtual machines using KVM into a private network
• Manage partitions and logical volumes
• Install and remove software packages
• Compile and install software packages from source
• Install and configure DHCP server
• Backup/restore files and directories
• Start up and shutdown Linux Server properly
• Navigate and manipulate files and directories with Linux Commands
• Install and configure http and ssh servers
• Install and use the GNOME Desktop
• Add and manage user accounts
• Manage system startup and shutdown through GRUB and init
• Setup, configure, and trouble shoot TCP/IP ethernet LAN
• Modify the system firewall configuration using iptables rules
• Set up basic system security
• Manage file storage on removeable devices
• Configure system security using SELinux tools

OPS355

Open System Infrastructure (Gateway & Network)

Specific outcomes

• Set up a basic Linux gateway (masquerading, routing, ip forwarding)
• Manage packet filters using iptable
• Install and configure Samba and NSF for file sharing
• Install and configure the automounter
• Install and configure a Domain Name Server (DNS)
• Install and configure e-mail services (SMTP, POP and IMAP)
• Backup and recovery of data (dump/restore)
• Set up NIS and/or LDAP Authentication Services
• Configure an FTP server
• Install and configure an SSH server

OPS455

Open System Information and Communication Technology

Specific Outcomes

Upon successful completion of this subject students should be able to:

• Design, construct, test and modify complex shell scripts
• Create, manage and change environment variables
• Make appropriate use of Filename Expansion
• Construct and use Regular Expressions
• Use Unix filters such as awk, grep, sed and sort

Topic Outline

• Linux Overview - 5%

• • History
  • The Shell
  • The Kernel
  • The GUI
  • GNU/Linux and the Free Software Foundation

• CLI Basics - 5%

• • Utilities - ls, cat, rm, more, echo, date, etc.
  • Files - cp, mv, head, tail, uniq, diff, file, etc.

• Getting Help - 5%

• • Linux manual pages

• Unix Filters - 15%

• • grep
  • sed
  • awk
  • sort

• The File System - 10%

• • File Types
  • Pathnames
  • Access Permissions
  • Links

• The Shell - 10%

• • CLI Syntax
  • File I/O
  • File Redirection
  • Pipes

• Shell Expansions - 10%

• • File names
  • Variables
  • Special Characters

• The Bourne Again Shell - 15%

• • Startup Files
  • Job/Process Control
  • Parameters & Variables
  • Quoting
  • History
  • Aliases
  • Functions

• Programming BASH - 20%

• • Control Structures
  • Variables
  • Arrays
  • Builtin Commands
  • Expressions - arithmetic, logical, regular
  • Recursive functions

• Scripting Tools - 5%

• • Version Control
  • Archiving
  • Logging

OPS555

Open System Cluster and Cloud

• Advanced scripting

OPS655

Open System Management (SNMP, Monitoring)

Topics to be covered - Level/Layer

Desktop

Networking

Level/Layer 1

• How to gather TCP/IP network setting on a Networked workstation
  • IP address
  • Network mask
  • broadcast address
  • Default Route (i.e. default gateway)
  • IP address of the DNS server
  • MAC address

Level/Layer 2

• topics learned in Level/Layer 1
• How to configurate TCP/IP network settings
  • Using available DHCP server
  • Using Manual methods
    • GUI configuration
    • Editing configuration file
    • running a shell script
• Packet filtering firewall on host computer (no gateway)

Level/Layer 3

• Everything in L1 and L2
• Configure multiple network interface
• Configure IPv4 Gateway
• Multiple route and default route
• NAT: DNAT/SNAT using netfilter/iptables

Level/Layer 4

• Everything covered in L1, L2, and L3
• Routing to multiple network
• Load balancing traffic
• packet filtering on Linux gateway using netfilter/iptables

SELinux

DHCP

DNS

SMTP/POP3/IMAP

NIS

NFS

LDAP

HTTP

MySQL

PHP

Apache

Storage

Authentication

BASH/Scripting

Scripting

• Q: Why bash shell is so difficult?
• A: It doesn't have a single-stepping debugger and breakpoints with code inspection

built in.