LINUX 101

1
LINUX 101

• Introduction to Packages
• Some Neat Packages
• Where to find more info

2
Ask Question NOW

• Just Yell it out
• This is really informal
• I won't bite

3
Who is Robert Searle

• Software (JAVA) developer for 6 years
• Not a Linux GURU, Security Expert or Consultant
• The information is offered as-is
• There is no implied or expressed warranty of any
  kind
• Hopefully accurate but please verify it with a
  professional
• Security issues are always changing keep
  up-to-date
• No system is hacker proof!

4
Study IT Budgets Opening Up to Linux

• http//www.newsfactor.com/perl/story/12808.html
• Just a really cool picture

5
This is Free, not no Cost!

• What I charge
• Please fill-in the forms
• Honestly with Suggestions
• What the TLUG wants
• Voluntaries
• Help your fellow TLUGers
• More Voluntaries
• Give a Talk Today!

6
GNU's Not Unix (GNU)

• The Free Software Foundation (FSF) is the
  principal organizational sponsor of the GNU
  Project.
• FSF receives very little funding from
  corporations or grant-making foundations.

7
GNU's Not Unix (GNU)

• Individuals support FSF's mission
• to preserve, protect and promote the freedom to
  use, study, copy, modify, and redistribute
  computer software, and to defend the rights of
  Free Software users.
• Over 67 of funds came from individual donors.
• Support continues our work.
• Please consider making a donation today.

8
Richard Stallman

• www.stallman.org
• 1984 he resigned from mit to start the gnu
  project.
• give computer users the freedom that most of them
  have lost.
• gnu is free software everyone is free to copy it
  and redistribute it, as well as to make changes
• 1991 grace hopper award

9
GNU/Linux

• Linux is the kernel the program in the system
  that allocates the machine's resources to the
  other programs that you run.
• The kernel is an essential part of an operating
  system, but useless by itself it can only
  function in the context of a complete operating
  system. Linux is normally used in a combination
  with the GNU operating system the whole system
  is basically GNU, with Linux functioning as its
  kernel.

10
Linus Torvalds

• http//www.cs.helsinki.fi/u/torvalds/
• http//skynet.ul.ie/aboutskynet/linus.html
• http//www.forwiss.uni-passau.de/archive/linux/per
  sonen/interview.html
• http//www.linuxgazette.com/issue32/rubini.html
• http//www.tuxedo.org/esr/faqs/linus/

11
LinuxRPMS and Packages

• Finally what we want to see

12
Basic RedHat Setup
13
System Setup

• www.redhat.com/support/hardware
• If its not supported, dont do it!
• Old pnp hardware is normally easier
• www.rpmfind.net

• Partition Setup
• df -h
• www.powerquest.com/partitionmagic/

14
RPM Package Manager

• It is an open packaging system available for
  anyone to use.
• binaries can be easily installed and tracked and
  source can be rebuilt easily.
• maintains a database of all packages and their
  files that can be used to get packages information

15
Networking
16
Red Hat Network rhn

• up2date
• fine-grained management and control of Red Hat
  Linux-based systems,
• Red Hat Network represents the accumulation of
  Red Hat Linux technology packaged, delivered and
  installed on your systems.

17
Samba

• Samba provides a complete replacement for Windows
  NT, Warp, NFS or Netware servers."
• file and print services
• a NetBIOS nameserver,
• a ftp-like SMB client so you can access PC
  resources (disks and printers) from unix

18
Dynamic Host Configuration Protocol DHCP

• framework for passing configuration information
  to hosts on a TCP IP network.
• based on the Bootstrap Protocol (BOOTP),
• adding the capability of automatic allocation of
  reusable network addresses

19
Bind

• a Domain Name System server (named)
• a Domain Name System resolver library
• tools for verifying the proper operation of the
  DNS server

20
IP Tables

• packet filtering (stateless or stateful),
• different kinds of NAT (Network Address
  Translation)
• packet mangling

21
Apache

• www.apache.org
• is a powerful, flexible, HTTP/1.1 compliant web
  server
• is highly configurable and extensible with
  third-party modules
• runs on Windows, Netware, OS/2, and most Unix, as
  well as other

22
Multi Router Traffic Grapher

• www.mrtg.org

23
Analog

• www.analog.cx
• measure the usage on your web server.
• which pages are most popular,
• which countries people are visiting from,
• which sites they tried to follow broken links
  from
• all sorts of other useful information.

24
DEMO of Stuff

• Go to my WEB Site

25
Making it safe
26
IP Tables

• packet filtering
• (stateless or stateful)
• all different kinds of NAT (Network Address
  Translation)
• packet mangling
• This is how you setup a home network to use one
  ISP IP Address

27
TripWire

• You know your system has been broken into
• It wont stop anything

28
Snort

• lightweight network intrusion detection system,
  capable of performing real-time traffic analysis.
  
• detects a variety of attacks and probes,
• buffer overflows,
• stealth port scans,
• CGI attacks,
• SMB probes,
• OS fingerprinting attempts,

29
GUIWindows, Apps

• X, KDE, GNOME

30
GUIX, KDE, gnome
31
GNU Compiler for the Java

• http//gcc.gnu.org/java/
• GNU Compiler for the JavatmGCJ is a portable,
  optimizing, ahead-of-time compiler for the Java
• Java source code directly to
• Native code or bytecode
• Most APIs are supported,
• collections, networking, reflection, and
  serialization.
• AWT is currently unsupported
• Debugging is supported using recent versions of
  the GNU debugger, GDB.

32
Virtual Network Computing

• http//www.uk.research.att.com/vnc/
• The GNU General Public License
• http//www.uk.research.att.com/vnc/gpl.html
• Remote Desktop

33
15 min Break
34
Concurrent Versions System

• http//www.cvshome.org/
• CVS is useful for everyone
• available on most platforms.
• record a history of your files

35
CD Roaster

• RedHat 8.0 still with old X-CD-Roast version
• SCSI/ATAPI/Parallel/Firewire/USB-CD-Writers
• data/mixed-mode/audio-CDs

36
Gnome Office

• www.gnome.org/gnome-office

37
GNU Cash

• www.gnucash.org
• balancing against bank statements easy.
• Stock/Mutual Fund Portfolios
• Intuit Quicken QIF files can be imported
• Handles internationalized dates and currencies.
• Multiple Currencies Currency Trading
• Reports Display Balance Sheet, Profit Loss,
  Portfolio Valuation, or print them as HTML.
• Work is proceeding on an integrated graphing
  environment that will allow graphs to be embedded
  within reports.
• Chart of Accounts
• grouped into one master account ( e.g. Assets )
• Split Transactions
• Double Entry ensures that the "books balance
• Income/Expense Account Types (Categories)
• Check Printing

38
GFax

• GFax is a front end fax program that performs the
  familiar pop-up fax manager when one prints to a
  fax printer.
• GFax works with all X programs that use lpr
• GFax has been tested with such programs as
  Wordperfect from Corel, Emacs, Nedit, Ghostscript
  and Lyx to name a few. 
• MgettySendfax support.
• Fax file from disk.
• Network faxing with Hylafax.
• SANE scanner support (future).
• Integration into GNOME print (future)

39
Gnumeric

• intended to be a complete replacement for a
  commercial spreadsheet
• If you are familiar with Excel, you should be
  ready
• Tried to clone all of the good features and stay
  as compatible as possible with Excel in terms of
  usability

40
Agnubis

• Agnubis is a presentation program for GNOME 2
• Development is just recently started, but is
  going briskly

41
Mr Project

• MrProject is a project management application
  that helps building project plans and track the
  progress of a project.

42
Open Office

• The source code available at OpenOffice.org does
  not consist of all of the StarOffice code.
• 3rd party code
• Certain fonts (especially, Asian language fonts)
• The database component (Adabas D)
• Some templates
• Extensive Clip Art Gallery
• Certain file filters

43
Almost Done

• Just a few more minutes

44
Well, did I kill anyone?

• Read the HowTos found on different website
• http//www.platinumjava.com
• I am still redesigning the site, so any comments
  are welcome!
• How could this presentation be better?
• Voting on web site
• E-mail me

45
Bye

• Thanks for coming to the TLUG presentation and
  remember to give your feedback to me about the
  presentation!