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MOE Ubuntu Desktop training

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MOE Ubuntu Desktop training

MOE Ubuntu Desktop training

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  • 1. Ubuntu Desktop Training Ministry Of Education
  • 2. Linux Distros There are more than 400 Linux distributions (“distros”) Differences between one and the next <20%. Among the more popular distros are: Refer to DistroWatch.com for a top 100 list of Linux distros
  • 3. Linux Distros Contd.. Three most popular Linux distros currently are: Ubuntu, Fedora and openSUSE Ubuntu focuses more on new and home users – primary focus is on making Linux usable. Fedora includes the latest packages and is more suitable for more technically inclined users (programmers, sys admins etc.). openSUSE strikes a balance between Ubuntu and Fedora i.e. ease of use with enough new packages to satisfy techies. Wikipedia must be your primary first level reference.
  • 4. What is Ubuntu Currently the most high profile and recognisable Linux distro in the world. Based on the Debian distro. ● Debian is well known for its stability and wide range of packages available. Currently is at version 9.10 (2009-October) – Karmic Koala ● Next will be 10.04 Lucid Lynx – an LTS release – 3 years on Desktop – 5 years on Server
  • 5. Ubuntu Installation● Freely downloadable from the Internet● Can request for free CD from Ubuntu.com● Can be used directly from LiveCD without installing● Usually installed from the Live CD ● Can also be installed from a USB key
  • 6. Installation- LiveCD Desktop -
  • 7. Installation- Language Selection -
  • 8. Installation- Time Zone Selection -
  • 9. Installation- Keyboard Layout Selection -
  • 10. Installation- Hard Disk Partitioning -
  • 11. Filesystem● Ubuntu supports the following file systems: ● ext2/ext3/ext4 ● Ext2 is without journaling ● ReiserFS ● Considered to be efficient for storing multiple small files ● XFS ● NTFS ● FAT32
  • 12. Installation- Manual Partitioning -
  • 13. Installation- Manual Partitioning Contd -
  • 14. Installation- User Details -
  • 15. Installation- Summary -
  • 16. Installation- Summary Advanced Option -
  • 17. Installation- In Progress -
  • 18. Installation- Completion -
  • 19. Installation- Completion contd -
  • 20. GRUB Menu
  • 21. Installed Desktop
  • 22. Managing Repos Repositories (repos) are locations on the Internet that contains software packages ● Ubuntu uses apt-get mechanism to manage the packages. The GUI to apt-get is Synaptic. Ubuntu Software Centre – an addition in Ubuntu 9.10 – allows an alternative to Synaptic. PPA – Programmer Personal Archive – contains software created by programmers that are not in the main repos. List of enabled repos are in /etc/apt/sources.list file
  • 23. Install / Remove Packages To install / remove a package you can also use the Synaptic Package Manager (System > Administration > Synaptic Manager), a GUI method for installing packages. Search for the name of the program/package. You can also search for a word in its description. Check the box "Mark for Installation / Removal" Click the "Apply" button. The selected program(s) will be automatically installed, along with its dependencies. Another option is to use the Ubuntu Software Center
  • 24. Printer Configuration To add a Printer System -> Administration -> Printing -> New Printer -> New Printer Most of the time, your printer (if connected and turned on) will be detected automatically. You can also choose printers on a Windows system via Samba and other types of networked printers, in addition to directly connected printers. Use CUPS web interface at http://localhost:631
  • 25. Medibuntu Tag lined - Multimedia, Entertainment and Distractions in Ubuntu ● A repo that contains “restricted packages” i.e. non-OSS packages. – DVD De-scrambler – Adobe Flash/Reader – Multimedia codecs for AVI, WMV, MP3 etc The most “go-to” spot to enable multimedia bits in Ubuntu
  • 26. Multimedia Xine ● Kaffeine VideoLAN (VLC) Photos ● DigiKam ● gthumb ● GIMP 3D ● Blender Unit Pemodenan Tadbiran dan Perancangan Pengurusan Malaysia 29
  • 27. Development Tools Supports Integrated Development Environment (IDE) such as Eclipse Simpler IDE ● Bluefish ● KompoZer Major programming languages available ● Java, PHP, Python, C, C++, Tcl/Tk Version control Unit Pemodenan Tadbiran dan Perancangan Pengurusan Malaysia 30 ● Subversion, bzr (Bazaar)
  • 28. Support for Networking Linux desktops are developed to support a variety of protocols and data format This includes CalDAV, Atom, GData, POP and IMAP, .ics files Web-based Distributed Authoring and Versioning (WebDAV) Unit Pemodenan Tadbiran dan Perancangan Pengurusan Malaysia 31
  • 29. Networking Tools Remote shell ● SSH Remote backup ● rsnapshot Remote desktop ● VNC, KRDC Printer ● The Common Unix Printing System (CUPS) Others ● Iptables, Wireshark, nagios Unit Pemodenan Tadbiran dan Perancangan Pengurusan Malaysia 32
  • 30. Communication SKYPE Jfax GnomeMeeting Kopete Pidgin Gammu Unit Pemodenan Tadbiran dan Perancangan Pengurusan Malaysia 33
  • 31. Communication - Email E-mail and calendaring ● Evolution ● Thunderbird Unit Pemodenan Tadbiran dan Perancangan Pengurusan Malaysia 34
  • 32. Productivity Tools OpenOffice.org Open Workbench FreeMind Scribus Xmind Web browsers ● Mozilla Firefox ● Konqueror ● Dolphin ● Opera Unit Pemodenan Tadbiran dan Perancangan Pengurusan Malaysia 35
  • 33. Remote Management with OpenSSH SSH is a set of protocols and programs that allows for encrypted traffic between computers. Linux uses OpenSSH – Free/Open Source version of the proprietary SSH Most widely used tool for remote administration of Linux/UNIX systems. OpenSSH establishes encrypted communication between computers and can allow ”tunnelling” of other traffic. Traffic ”tunnelled” through is compressed i.e. Requires lower bandwidth
  • 34. Remote Management with OpenSSH SSH Tunnel Public Network Server H SS nel n Tu SSHUser Tunnel Public Network TCP Forwarding SSH TCP Forwarding Server (”SSH Tunnelling”) User App Server
  • 35. Remote Management with OpenSSH Requirements: ● Create a user – any name with password #useradd -m -s /bin/bash <username> #passwd <username> ● Install OpenSSH Server #sudo apt-get install openssh-server ● Verify that OpenSSH Server is started #/etc/init.d/ssh status SSH to your neighbours PC with his/her created user and ask him/her to SSH into yours using your created user From the SSH terminal, type w to viewed currently logged on users
  • 36. OpenSSH Server Hardening Edit the /etc/ssh/sshd_config file Ensure that the following are set: ● Protocol is 2 ● Port number set above 1023 ● X11Forwarding set to no ● PermitRootLogin set to no ● AllowTCPForwarding set to no ● Add AllowUsers parameter to restrict users who can SSH in ● StrictModes set to yes Save file and restart sshd - # sudo /etc/init.d/sshd restart
  • 37. THANK YOU OSCC Portal ●http://opensource.mampu.gov.my OSCC Mailing Lists (oscc-training) ● http://lists.oscc.org.my Contact numbers ● 603 83191200 (General line) ● 603 38191201 (Helpdesk)Presenter:Khairul Aizat Kamarudzzamankhairul@oscc.org.my

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