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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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Tag Archives: sysadmin
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
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
Watching a fork bomb explode
Fork bombs are simple pieces of programming logic that can bring down the mightiest of servers in seconds (in fact, the faster the server, the faster it goes down). They are quite easy to protect against, but some operating systems … Continue reading
Send events to Zenoss from scripts
Working at Zenoss the company, our IT group uses Zenoss the application to monitor our infrastructure. Initially, we setup the needed monitoring for various resources, added thresholds and received email alerts if there were problems. That was all well and … Continue reading