Latest Screencasts (page 2)

If you need to copy data, byte for byte, you use dd. dd can do many great things like copying a hard disk to another disk, making .iso's of CDs or DVDs, and making backup images of data. Further, dd can zero out a drive, create files with random data,...

Mutt is a great text-based email client I've been using recently. Mutt is very simple to use but still highly configurable. In this episode we will configure Mutt to use Gmail's IMAP interface to retrieve our email from Gmail. Check out the Mutt Wiki for lots of great info and...

GNU sed(stream editor) is a great little utility. In this episode we use substitution to preform find and replace operations on a text file. Sed also allows regular expression matching for advanced substitution.

In the second half of our 2 part series on Zsh, we look at globbing and using Zsh's qualifiers. This can be combined with the completion from episode 16 for some super powerful shell bliss.

Zsh is a great alternative to Bash and other Unix shells. It has programmable completion, paging, and many other great features. We'll take a good look at paging and the completion that Zsh offers in this episode and explore more in the next episode. As mentioned in the episode, the...

Most Linux/Unix users are familiar with Grep, but for many situations Ack does a better and faster job. Ack is smart enough to skip version control files and directories, temp files, can exclude or include certain file types, and use powerful regular expression when searching.

Keeping incremental backups is easy with rdiff-backup. In this episode, learn how to set up a simple cron job that will keep an incremental backup of a remote directory.

This week we take a peek at GNU Screen - a terminal multiplexer. GNU Screen allows you to open multiple terminal sessions and easily switch between them from one terminal window. You can also disconnect from GNU Screen and your terminal sessions will stay in the background waiting for you...

Iptables is the de-facto firewall solution for Linux. In this episode, we'll setup basic rules to only allow certain traffic and even deny certain IP addresses from connecting. NOTE: I did catch one minor error in the screencast after encoding - I mention iptables in conjunction with both Linux and...

Expect is a great automation tool. It is especially good at scripting SCP, FTP, and other interactive programs. In this episode we'll create a bash script using expect to automatically SCP a log file from a server. The script could be easily extended as a cron job and modified for...