How I automate file edits with ‘sed’
Here’s a neat command line trick to make changes to a text file.
Personal backups with ‘rsync’
Make backups of your personal data in case your laptop is lost, stolen, or damaged.
Processing files with ‘find’ and ‘xargs’
Here’s how I used ‘find’ and ‘xargs’ to locate the articles I wrote and count the words.
My first Linux in the enterprise
My first experience and lessons learned in deploying Linux in the enterprise.
Managing processes with kill and killall
Process management can be an important part of system maintenance.
Print double-sided documents with this Bash script
Use Bash to print 2-sided documents on a printer that can only print on one side.
Portable programming practices
Sometimes it’s easier to define your API to hide the platform-specific code
Writing portable C programs
Jim shares this follow-up to an earlier article about programming across platforms.
Calculate letter frequency in gawk
Write a gawk script to determine the most (and least) common letters in a set of words.
Programming across platforms
Using these C compiler preprocessor directives to detect the operating system can make it easier to support multiple platforms at once.
The Linux Philosophy for SysAdmins, Tenet 11 — Store data in open formats
Image by Opensource.com: CC-by-SA 4.0 Author’s note: This article is excerpted in part from chapter 13 of my book, The Linux Philosophy for SysAdmins, with...
Terminal size and ncurses
When programs like vi first came along, terminals had a predefined size: usually 80 columns and 24 lines (actually 25 lines, but the last line...
Searching text files from the command line
The find command is a powerful and flexible tool to locate files under a path.
Random numbers from the Linux kernel
Let the kernel generate random numbers for you using ‘getrandom.’
A gentle introduction to ncurses
You can create your own programs that use a text user interface to control the screen.