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From advanced Bash tricks to Python gotchas to MySQL tutorials, this blog covers various topics in programming and systems administration. Find out how to get more done and have fun! Keep up with the latest by subscribing to the RSS feed!About the Author
This is the tech blog of Samuel Huckins. You can check out my homepage and other websites below, or send me a message here.-
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Category Archives: CLI
Dealing with “could not create shared memory segment” from postgres on Ubuntu
After installing postgresql-8.4 from the Ubuntu repos on an Ubuntu 9.10 machine, I received the following when the daemon tried to start up: 1234567 * The PostgreSQL server failed to start. Please check the log output: FATAL: could not create shared … Continue reading
Converting multiple images to one PDF on Linux
There are a number of ways you can go about the process of converting image files into PDFs, most simply by opening a given image and printing it. You can select “Print to file” instead of a printer device, PDF … Continue reading
Fun with ASCII art
No, in fact ASCII art isn’t dead, it’s all the rage. Now that that’s established, check out these handy programs for generating your own ASCII art messages: 1figlet -f smslant Boxes rules. | boxes -d parchment -a hcvc Figure 1. … Continue reading
Viewing all users on a Linux system
There are a number of widely-used and stable utilities on Linux systems that allow you to view information related to users. You can see who’s logged in with who, get info on a particular user with finger, see who you … Continue reading
Get useful image information on the command line
ImageMagick is an incredible set of programs that allow you to get all sorts of information on image files from the command line, as well as batch edit and generally alter images of many varieties. You can read all about … Continue reading







