Tux Training

Table of Contents

Linux Basics

• Basic Commands
  1. An Introduction to Linux Command Line Absolute Basics
     1. Handy wallpaper for basic linux commands
  2. Bash Shortcuts
     1. Bash tip: Instant Spelling Suggestions
     2. Bash Cheatsheet
     3. Bash tip: Selective Deletion
     4. Bash tip: Autocorrect typos with shopt
  3. How to set your PATH
  4. Setting system clock and date
  5. Expanding on cp, mv, and rm commands
  6. Guide for tar, gzip, and bzip2
  7. How to use lzma for compression
  8. Sending message to users logged into a unix terminal with write and wall
     
  9. Installing software from source in Linux
  10. Viewing system information in the Commandline
  11. Basics of Process Management
  12. Send a process to the background and the foreground
  13. 5 ways to find files in linux in Linux
      1. Finding files and directories on Linux
      2. Finding and locating files with find command
      3. Find files modified at a certain time
      4. How To Show The Top Largest Files and Directories
      5. How to Find duplicate copies of files Using fdupes
  14. cat, more, less, and tail
  15. How to Use vi
      1. Copy between files in vi/vim
      2. Search and Replace in Vi/Vim
      3. Splitting Vim’s viewport
      4. Splitting Vim’s Viewports (part 2)
         
      5. How to go a particular line or word in vi
      6. Vim Tip: Point in Time Recovery
      7. Post to Twitter in Vim
      8. Vim Tip: Interact with the OS/DE’s clipboard
      9. Turn on Vim’s Spell checker
      10. Vim Tip: Quick searching with *
      11. Vim Tip: place a file in the current buffer
      12. Vim config in .vimrc
      13. Exploring VIM configurations
      14. How to use visual modes in Vim
      15. Vim Tip: find current ascii code of highlighted character in vim
      16. Master Vim Registers for Advanced Copy & Pasting
      17. Vim tip: quickly insert current filename
      18. Using vi / vim to Encrypt Text Files
      19. Vi and Vim Cheatsheets
      20. Vi/Vim and no disk space
      21. Suspend a Vi/Vim session for shell
  16. Some Emacs Basics
      1. Emacs Cheatsheets
  17. How to use nano, a commandline text editor
  18. Basics of Using Grep
  19. A Guided Tour Of Awk
  20. Awk Cheatsheets
      
  21. Getting started with awk
  22. Stdin, stdout and stderr
  23. Pipes, Redirection and Chaining
  24. Running Multiple Sessions in Linux
  25. What are and how to Change Runlevels
  26. Working with Linux Services
  27. Linux Boot Sequence
  28. Shutdown / Reboot Linux from the Command Line
  29. How to: Mount an ISO image under Linux
  30. The watch command
  31. HOWTO: Check which version or flavor of Linux a system is running
  32. Run Process With Modified Scheduling Priority ( nicenesses )
  33. What are cron and crontab, and how do I use them?
      1. Example: How to Run a Cron job

• Users, Permissions and Files
  1. Linux File Structure Cheat Sheet
  2. Discover the possibilities of the /proc directory
  3. Root, Superuser, and User Management Basics
     1. Understanding /etc/passwd, /etc/group, /etc/sudoers, and /etc/skel/
        1. Tip:  Add Sudo to Your Last Bash Command With “!!” Syntax
     2. Linux password policies
     3. The chage command
     4. How to force users to change their passwords on 1st login
     5. Update passwords in batch mode Using chpasswd
  4. Linux file permissions
  5. How to change a file’s owner and group in Linux
  6. umask
  7. Hardlinks and Symlinks
  8. How PAM works
  9. How to change or rename user name and UID (user-id)

• Hardware
  1. Linux File System Review
  2. Basics of partitioning with fdisk and formatting with mkfs
  3. Make a swap partition
  4. How to mount filesystems in Linux
  5. How to edit and understand /etc/fstab and /etc/mtab
  6. File System Checking with fsck
  7. Understanding xorg.conf
  8. Basic LVM commands

• Networking
  1. Learning your network configuration files
  2. Some Basic Networking Commands (ifconfig, netstat, traceroute, ping)
  3. How to install a Network card in linux
  4. How to Assign an IP address
  5. Clone or Change your MAC address in Linux
  6. Basics of ssh and scp
  7. The basics of ftp and sftp
  8. ngrep – network grep
  9. How to read netstat output
  10. Basics of iptables
  11. Iptables: How to save and restore rules at boot & shutdown
  12. Kill a process by it’s port
  13. HOWTO: Backup nightly via rsync
  14. How to change the hostname of a Linux system
  15. How to ping scan an ip range with nmap
  16. Linux setup default gateway with route command
  17. How to use fping
  18. How to use the dig command

• Shells
  1. Enhance your terminal with fish

• Misc
  1. 7 Linux Commandline Cheat Sheets
  2. How to disable Ctrl+Alt+Backspace from restarting X
  3. The /etc/default/rcS file

Hardware

1. Howto check disk drive for errors and badblocks
2. Change TTY Resolution
3. Speed up your ext3 file system
4. How to use the Ext4 filesystem
5. Tune your swappiness
6. Implementing quotas to restrict disk space usage
7. Unmounting the unresponsive CD/DVD drive
8. Find out serial / model number & vendor info for SATA and IDE disks
9. How to get your iRiver E100 working nicely in Linux
10. Display Number of Processors on Linux

Applications

• Web Browsers
  1. About:Config Tweaks to optimize Firefox 3
  2. How to enable the new Tracemonkey engine in Firefox 3.1
  3. Speed Up Firefox 2.x
  4. Beautify Firefox Form Widgets in Linux
  5. How to turn off Firefox 3’s “awesome bar”
  6. Speed Up Konqueror
  7. Disable Opera’s BitTorrent client
  8. Run Internet Explorer 6.0 in Linux with Wine
  9. See the URLs behind TinyURL Links in Firefox
  10. Save any image from Flickr using Firefox
  11. Make Kazehakase Faster
  12. How to control Firefox using Vim keybindings
  13. Vimperator Cheat Sheet
  14. Opera Find on Page, nearly Find As You Type from Firefox
  15. How to have adblock in Opera 9

• Instant Messengers
  1. Use OTR to Encrypt Pidgin Conversations

• Email Clients
  1. Set up Gmail in Kmail/Kontact
  2. Use Thunderbird and Google for your home groupware solution
  3. Sign & Encrypt your Emails with Thunderbird/Enigmail
  4. Export Kmail into Thunderbird
  5. Encrypt / Sign your Email in Evolution
  6. How to Backup Evolution

• Office Suites
  1. Speed Up Start Time for OpenOffice.org
  2. Import and Export your OpenOffice Documents with Google Docs
  3. How to import PDFs into OpenOffice.org 3.0
  4. How to password protect OpenOffice.org documents

• Bit Torrent
  1. How to Encrypt Bit Torrent Traffic With Ktorrent and Azurues
  2. Beating Sandvine on Linux with iptables
  3. Import PeerGuardian Blocklists into Ktorrent & Deluge
  4. How to make sure Deluge’s blocklist stays up to date
     

• Gimp Tutorials
  1. Gimp Series: How to make drop shadows
  2. 3 Gimp Cheat Sheets

• Media Applications
  1. Speed up Amarok with Large Music Collections
  2. How to stitch two photos together with Hugin

• Other
  1. Make Conky Transparent and movable
  2. Installing & Using Gnome-Do

Commandline Applications

• Internet
  1. IRC through the command line ( irssi )
     1. How to change an irssi theme
  2. Put irssi in a chroot jail
  3. AIM on the Command Line (naim)
  4. Surf with a Commandline Web Browser (elinks)
  5. Commandline BitTorrent ( rtorrent )
  6. Update Twitter From the Command Line with cURL
  7. Use curl or wget to backup your Delicious Bookmarks
  8. Read your RSS Feeds in the Command line with SnowNews
  9. How to use wget
  10. Download Youtube Video From Command Line
  11. Burn CDs in the Commandline with Bashburn
  12. Using Gmail with mutt, the minimal way (IMAP update)

• File Management and Processing
  1. File Management in the Terminal with Midnight Commander
  2. Oleo: a commandline spreadsheet
  3. View MS Word files in the Commandline with AntiWord
  4. Writing ISO Images to CD with cdrecord

• Multimedia
  1. Watch movies in the command line
  2. Manage Images with ImageMagick
     1. Use ImageMagick to convert pdf to png
  3. Play music with the commandline (mpg123)
  4. Control Your Volume in the Commandline with alsamixer
  5. Read & Remove EXIF Data From the Command Line
  6. How to burn VOB files
  7. Setting up mpd and mpc locally

• Other
  1. Use htop to monitor and manage system processes
  2. Using Screen for Session Management in your terminal
     1. A nice .screenrc
     2. Shortcut resuming screen
     3. Gnu Screen Cheat Sheet
     4. Basics of Gnu Screen
     5. GNU Screen: Working with the Scrollback Buffer
     6. Collaboration with screen
  3. Customizing Your Bash Prompt
     1. Have a nice customized .bashrc file
  4. Colored ls Output
  5. Recover Deleted Files with Foremost

Multimedia

1. Convert Ogg Theora File to Flash Video Format?
2. Rip Audio from the Web with SoundJuicer
3. Top 10 Scripts for Amarok

Networking

1. Linux to Linux Key Based SSH
2. Preventing Brute Force Attacks With Fail2ban(somewhat OpenSuse centric)
3. Protect SSH Access With hosts files and a proper sshd_config(tcp wrappers)
4. Protect SSH from brute force attacks
5. Mounting a SSH folder locally with sshfs
6. Creating SSH Tunnels in Linux
7. Creating ssh reverse tunnel
8. Keeping SSH Sessions Alive
9. Forwarding X over SSH in 3 simple steps
10. Howto Setup a chroot jail for ssh with Linux
11. How To Add a Welcome Message for SSH Users
12. Howto use SSH local and remote port forwarding
13. Ssh-copy-id and other ssh tips
14. Nmap for Beginners – Network & Port Scanning made easy
15. Introduction to Netcat
16. How-To ping IPV6 ip address
17. How to ignore ping requests
18. ip command cheat sheet
19. Monitor Web page changes
20. How to find out what IPs are being used on your subnet with nmap
21. How to check if a service is tcpwrapper enabled
22. Setting up 2 IP address on “One” NIC
23. How to use samba on the command line
24. Connect to a wireless network with the command line
25. Howto Check Wireless link quality
26. iwevents – Track Wireless events on the Wireless interfaces on your system
27. How to chroot jail a user in ProFTP
28. How to use minicom over serial connections

Security

1. Scanning for rootkits with chkrootkit
2. Search for rootkits with RKhunter
3. Securely Delete Files with Wipe
4. Securely Delete files from Journaling Filesystems in Linux
5. Delete Files Permanently and Securely with Shred & SecureDelete
6. Steganography in Linux
7. The Port Scan Attack Detector
8. Encrypt-Decrypt file using GPG
9. Encrypt files with OpenSSL
10. Installing and Running Clam Anti Virus in Linux
11. How to password protect the single user mode in Linux
12. Kick a user off your linux box
13. Detect intruders on your network with Snort
14. Password protect Grub Bootloader
15. Secure your system with Tripwire
16. Howto: Harden the Ubuntu Linux Kernel with sysctl
17. Change Permissions on Password files so no one can change them
18. Time Based iptables rules with patch-o-matic extension
19. Bastille Linux: A Walkthrough
20. Defeat Nmap OS Fingerprinting with ippersonality and iplog
21. Filter Out RIAA/MPAA with PeerGuardian on IPCop
22. Safety Online
23. Generate Random Passwords on the Linux Command Line
24. Using chattr to Eliminate Command Line Histories
25. How to prevent Linux from remembering your sudo password
26. 3 ways to keep safe your files
27. Evolution Virus Scanning

Cracking

1. Crack Password Protected zip, rar, 7z, and pdf files in Linux
2. Howto: crack a wireless network with Wired Equivalent Privacy (WEP)
3. Howto: arpspoof, webmitm, and ssldump to sniff passwords via https
4. Two Approaches to Cracking the Windows Password
5. Installing & Using John the Ripper: The Linux Password cracker
6. Avoid Detection with nmap Port Scan Decoys
7. HOWTO: Install THC-Hydra 5.4 in Ubuntu Intrepid Ibex
8. Change Windows Administrator password in Ubuntu Live Disc

• Misc
  1. 7 applications to manage your ipod in Linux
  2. Peer to Peer in Linux
  3. Linux Desktop Search
  4. Top 5 OpenOffice.org Extensions
  5. Helpful charts to explain the history of *nix

Servers

• Lamp
  1. Apache
     1. Abolute Basics of Apache
     2. How do I password-protect my Apache website using .htaccess?
     3. Secure Apache Web Server
     4. Compressing Web Output Using mod_gzip for Apache 1.3.x and 2.0.x
     5. Disable directory listings using .htaccess in Apache
     6. Setup SSL on Apache
     7. How to block IPs from your website with .htaccess
     8. Apache Cheatsheet
  2. MySQL
     1. Basics of MySql on the Commandline #1
     2. Basics of MySql on the Commandline #2
     3. Basics of MySql on the Commandline #3
     4. How to Show Users in MySQL
     5. Backing Up and Restoring Your MySQL Database
     6. Import a MySQL dumpfile into my database
     7. Recover MySQL Database root password
     8. mtop – MySQL Monitor
     9. MySQL Cheatsheet
     10. What to do in MySQL if ‘host_name’ is blocked
  3. Perl
     1. Perl Basics
     2. Perl Cheatsheet
     3. Perl Regular Expressions Cheat Sheet
  4. PHP
     1. Basics of PHP #1
     2. Php Regular Expressions Cheat Sheet

• Content Management Systems
  1. Gnump3d MP3 Streaming Server(Ubuntu and OpenSuse centric)
  2. How to Move WordPress Blog to New Domain or Location

• File and Directory Sharing
  1. How to setup a Samba Server
  2. Setting up samba with password protection
  3. How to install Bind DNS in a chroot jail
  4. Mount Samba share using fstab

Specifics for Debian

1. Using fgetty instead of getty on Debian
2. Preventing Debian Package Upgrades
3. How to install Cacti on Debian or Ubuntu
4. How to install and configure Rancid with Postfix on Debian
5. Clear cached memory in Debian/Ubuntu
6. Howto SetUp Dual NIC Bonding On Debian & Ubuntu
7. Hardening The Linux Kernel With Grsecurity on Debian
8. How to tell what version of Debian you have installed
9. 3 Debian/Ubuntu Cheat Sheets
10. A few quick tips for apt

Specifics for Fedora

1. The basics of yum
2. RPM Cheat Sheet
3. Get the best out of yum with yum-fastestmirror, yumex, & yum-utils
4. How to build a rpm file from a source file
5. A step-by-step guide to building a new SELinux policy module
6. Installing TrueCrypt in Fedora 9
7. Prevent Yum Upgrades in Fedora / Red Hat for select packages
8. Redhat/Fedora: Auto Complete for the “service” command
9. How To Enable Graphical Boot with Plymouth on Fedora 10
10. How To Install VirtualBox on Fedora 10
11. TrueCrypt 6.1 Install Guide For Fedora 10
12. How to manage services in Fedora/Redhat

Specifics for Redhat

1. NSA Guides for Securing Red Hat Enterprise Linux 5
2. A step-by-step guide to building a new SELinux policy module
3. Building a Two-Node Linux Cluster with Heartbeat on Red Hat
4. Redhat/Fedora: Auto Complete for the “service” command
5. How to tell what version of Red Hat you have installed
6. How to manage services in Fedora/Redhat

Specifics for Arch

1. How to manage packages using Pacman in Arch Linux
2. Stop and Start Services in Arch Linux
3. Network Time Protocol on Arch Linux with OpenNTPD
4. Improve database access speeds in pacman on Arch

Specifics for Mardriva

1. Basics of URPMI in Mandriva

Specifics for Gentoo

1. How to use emerge in Gentoo
2. Making Sense of Gentoo’s USE Flags
3. Gentoo update (list of short commands)
4. Network traffic & bandwidth monitoring with darkstat on Gentoo
5. Setup a Rsync server on Gentoo

Specifics for OpenSuse

• Basics
  1. Starting Point for Absolute Beginners of openSuse 10.3
  2. Install OpenSuse Tutorial in Video
  3. Find what version of OpenSuse you are running
  4. Install Software With YAST From the Command Line
  5. Basics of Managing Software with Zypper in OpenSuse
  6. RPM Cheat Sheet
  7. How to install .src.rpm packages in openSuse
  8. How to build a rpm file from a source file
  9. How to install a deb file in openSuse

• Hardware
  1. Mount your NTFS Filesystem/Partition for Read/Write Access in openSUSE 10.x

• Networking
  1. Access to Windows Shares in openSuse 10.3

• Security
  1. Turning off Auto-login in Suse 10.3
  2. Use Yast to Encrypt Partitions
  3. Encrypted Root File System During Install in openSuse 10.3
  4. Securing Your Server With AppArmor

• Tweaks
  1. Turn on Subpixel Hinting in openSuse 10.2 and 10.3
  2. Set The Refresh Period For Yast Package Manager
  3. Change the default theme in Yast to Oxygen (KDE4) icons
  4. How To Get QT zypper GUI in GNOME YAST in OpenSuse 11-11.1
  5. How to stop OpenSuse’s Christmas Grub Theme
  6. 
     
• Virtualization
  1. Getting USB to work on the non-FOSS version of Virtualbox on OpenSuse 11.1
  2. 
     
• Applications
  1. Amazon MP3 Downloader on openSUSE 11
  2. How to get locate installed on OpenSuse 11.1

Specifics for Ubuntu

1. The basics of apt-get
2. Use dpkg to install packages in Ubunt & Debian
3. Installing an RPM file in Ubuntu/Debian
4. Enable the root account in Ubuntu
5. How to find the UUID of a device in Ubuntu
6. Apturl: Install software by clicking a link in Ubuntu
7. Preventing Debian Package Upgrades
8. Encrypt Your Ubuntu During Install
9. How to use the Uncomplicated Firewall in Ubuntu
10. Installing & Using TimeVault in Ubuntu/Debian
11. Guide to faster Ubuntu
12. A reminder about the proper way to invoke root in Ubuntu
13. Print from XP to a Printer Attached to Ubuntu Gutsy or Hardy
14. Matrox Millenium G450 DualHead on Ubuntu
15. Remove ttys in Ubuntu’s Upstart
16. Improve login time by using readahead in Ubuntu
17. Decrease boot time with concurrent booting
18. Cleanup junk files in Ubuntu
19. How to make Ubuntu extremely fast
20. How to Remove Pulse Audio Ubuntu 8.10
21. Clear cached memory in Debian/Ubuntu
22. Howto SetUp Dual NIC Bonding On Debian & Ubuntu
23. How to Setup Ubuntu for Reinstalling your applications without losing your data
24. Nagios Network Monitoring System Setup in Ubuntu
25. About /etc/apt/sources.list for Intrepid Ibex
26. Change the Default Editor From Nano on Ubuntu Linux
27. HOW TO: Using checkinstall to make .debs from sources in Ubuntu
28. HOWTO: ActiveDirectory authentication in Ubuntu 8.04 & 8.10
29. How to set a static IP in Ubuntu from the shell
30. Find or identify which version of ubuntu Linux you are running
31. Installing Glassfish 2 on Ubuntu
32. Setting up software RAID in Ubuntu Server
33. A few quick tips for apt

Specifics for Non-Linux OSes

• OpenSolaris
  1. How to use pkg on OpenSolaris for Package Management

• FreeBSD
  1. How To Start & Stop Network & Routing Service in FreeBSD 5x, 6x, & 7x
  2. Set user disk space quotas in FreeBSD
  3. Compile a custom kernel in FreeBSD
  4. Install MySQL on FreeBSD via Ports Collection
  5. Install Apache on FreeBSD
  6. Package Management with Ports and pkg_* in FreeBSD
  7. The FreeBSD way of labelling hard drives
  8. Setting up Firewall using IPFW in FreeBSD
  9. Chroot ftpd (mini)HOWTO on FreeBSD

• OpenBSD
  1. Quickly installing OpenBSD
  2. Encrypt your swap partition in OpenBSD
  3. Install the bash shell in OpenBSD
  4. 
     
• OS X
  1. Discover which apps prevent disk image ejection in OS X
  2. Install the fish shell in OS X
  3. 
     
• HP-UX
  1. How to start and stop services in HP-UX
  2. 
     
• Solaris / Open Solaris
  1. How to install OpenSolaris
  2. ZFS Tutorial Part 1
  3. ZFS Tutorial Part 2
  4. Solaris Cheatsheets
  5. What to do if you lost the root password in Solaris 9-10
• AIX
  1. 2 IBM (AIX) Cheat Sheets

Specific for Desktop Environments

• KDE
  1. Make the Windows Key on your Keyboard open KMenu in KDE
  2. How to install a KDE4 Package from source with cmake
  3. Make Conky Transparent in KDE
  4. Kicker’s hidden tweaks
  5. Create an ‘Open as Root’ Action in Konqueror
  6. Hide Gnome Apps in KDE and Vice Versa

• Gnome
  1. Make your xscreensaver your Gnome Wallpaper
  2. Have a Changing Wallpaper with Wallpapoz in Gnome
  3. Make the Windows Key Open the Gnome Panel Menu
  4. How to Hide Mounted Drives on Gnome’s Desktop
  5. How to best utilize screen real estate in Gnome
  6. Shred files from right-click in Nautilus
  7. Add right-click virus scanning capability to Nautilus
  8. Turn off Spatial Mode in Nautilus
  9. Gnome Tip: Make Menu’s Open Faster
  10. Hide Gnome Apps in KDE and Vice Versa

• Xfce
  1. Make the Windows Key Open the Xfce menu
  2. Using Openbox window manager with Xfce

Window Managers

1. An Introduction to Tiling Window Managers

• FluxBox
  1. How to Add Menu’s in Fluxbox
  2. Make icons on your fluxbox desktop with idesk
  3. Set Background Wallpaper in Fluxbox
  4. Put icons in your Fluxbox menu
  5. Fast Fluxbox Compositing – shadows, transparency, and fading

• Openbox
  1. How to Theme Openbox
  2. Changing audio volume in Openbox
• Wmii
  1. Intro to wmii

• Awesome WM
  1. Awesome-menu in Awesome Window Manager

Scripts and Useful Commands

1. Getting your screen back when it’s hosed
2. Empty a text file from the command line
3. Bash For Loop Examples

Virtualization

1. How To Do Seamless Window and Folder Integration with Linux & VirtualBox
2. How to enable USB on VirtualBox in Ubuntu Hardy and Windows
3. How To: Properly Backup a VirtualBox Machine (.VDI)
4. How To Install VirtualBox on Fedora 10
5. Install Guest Additions in CentOS through VirtualBox

Linux Misc

1. How to Install and Setup IPCop as your Linux based router
2. Install IpodLinux on your iPod
3. How to get a Full Desktop in Asus’ eeePC

Coding

1. Learning LaTeX
2. Git Cheatsheet
3. Subversion Cheatsheet
4. Ruby Cheatsheets
5. C Cheatsheets
6. Python cheat sheets

Quick Tips

1. Disable the System Beep from the Command Line
2. Renaming multiple files with ‘rename’ command
3. Sending Email from your system with SSMTP
4.