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Linux User Groups:
How to undelete files in Linux:
Hyperterminal alternative in Linux/Ubuntu:
- Minicom: sudo apt-get install minicom
- Check serial ports with: dmesg|grep ttyS
- Configure minicom with: sudo minicom -s
- Wikipedia page on Minicom
File Structure Intro:
Linux LVM (Logical Volume Management):
WIKI’s of note (besides MediaWiki):
- DokuWiki: Flat file wiki, no DB needed, just PHP and Apache. No WYSIWYG editor. Linux.com did an article on the project.
Media Player worth watching: Elisa.
Audio editor and multitrack recorder: Traverso DAW.
Linux SCREEN command (howto’s for reference):
- Linux Journal: Power sessions with SCREEN.
- More Basic Intro: Using GNU SCREEN.
- An introduction to some of the visual features of SCREEN.
- How to engage multiuser (concurrent logins) to the same SCREEN session. (Helpful for remote support so all parties can see the same bash shell session).
- Rsync: Basic HowTo + Cron Job setup.
- Timevault — snapshot-style backup for Linux. (excellent).
- How to automate backups (IBM link).
- Rsync snapshot-style incremental (@regular intervals) backup write-up.
- How to use exclusions in RSYNC commands.
- Rsync general overview (helpful for concepts and basic usage).
- Using an external USB drive to create backups of your Linux system w/Rsync. (I use this method to also backup important WINDOWS directories that I have mounted locally on my Linux box with “mount -t cifs”).
- A good write-up on GnuPG (GPG) usage and general public key encryption.
- EncFS: On the fly Encryption File System how-to.
- An excellent write-up on using DM-Crypt/LuksOpen to encrypt local or removable drives.
- A great HowTo on encrypting a USB Flash drive using loopdev and DM-Crypt.
- An Illustrated Guide to Cryptographic Hashes.
- Truecrypt how to (linux)
Recovery of deleted files & directories (resierFS):
Peer to Peer Related (Linux)
Newbish items (Linux Related)
- Linux Command Line introduction & reference.
- Linux Shell scripting basics!
- How to install w32codecs and libdvdcss2 for Mplayer. (Ubuntu Gutsy & Feisty).
- The difference between HARD and SOFT links to files in Linux (the ln command).
- 6 ways to find files in Linux.
- Install Debian on your box in dual-boot mode from WITHIN WINDOWS (similar to the item below (Wubi) but installs Debian, not Ubuntu.)
- Install Ubuntu from within Windows and run it all from within a SINGLE file on the windows partition, complete with a dual-boot menu (very easy for Linux newbies).
LINUX/OPEN SOURCE RELATED:
- Moodle is a course management system (CMS) – a free, Open Source software package designed using sound pedagogical principles, to help educators create effective online learning communities.
- The Magic SysRq Key: Safely reboot a locked-up Linux box
- To safely reboot a locked-up Linux box use the following key combination: r e i s u b
- Chmod Notes:
- WordPress Cache.
- Excellent WordPress Photo plugin (Benjamin Sterling’s Photo Exhibit).
- Sociable bookmarking for WordPress.
- ScribeFire (Firefox plugin for on-the-fly blogging & posting to your blog. It’s quite helpful.)
- Backup WordPress databases.
- .htaccess online generator & editor.
- Why don’t Linux hard drives need defragging ???
- In Ubuntu Gutsy, there are missing screensavers (like the BSOD and others), type: sudo apt-get install xscreensaver-data-extra to get all the rest.
- Free, serialized audio books, free for download (Podiobooks.com)
- Top *40* GIMP Plugins
- AT&T Text to Speech Tool
- Loquendo Text to Speech Tool
- Mini-ITX PC’s
- Amusing Ubuntu Wallpaper and themes
- Professional Document Templates for Business/Financial/Tech/Legal/etc. (DocStoc.com)
- Show your IP address in a cute flag.
- Video posting to blogs (and embedding)
- Free video embedding/encoding
- Video PopUp Maker
The first digit is user, then group, then everybody else. The digits are definied below:
7 – Read, Write, Execute
6 – Read, Write
5 – Read, Execute
4 – Read
3 – Write, Execute
2 – Write
1 – Execute
How to speed up SSH logins in Ubuntu clients:
Edit the /etc/ssh/ssh_config file using the following command
sudo vi /etc/ssh/ssh_config
Comment out the following lines (add a # at the beginning of the line)
Note: In Ubuntu GUTSY (7.10), you will want to uncomment all the lines starting with GSSAPI lines (remove the # sign) from the /etc/ssh/ssh_config file, then your SSH login will be instantaneous.
save the file and exit
How to mount .ISO files and interact with the contents over a virtual directory:
This is easy in Linux. First you must make a directory for the mount to exist in (you may create the directory as a non-root user).
$ mkdir /home/username/iso
Then, simply mount the ISO making reference to the directory you just made …
$ mount NameOfTheISO.iso /home/username/iso -o loop
The loop device is a device driver that allows an image file to be mounted as though it were a normal block device, such as a CDROM.
“When you’re done, simply unmount the ISO …
RSYNC Sample command:
rsync -ra --progress --size-only /home/joe/mounts/99_L /media/disk/source