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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: Security
Troubleshooting with MySQL binary logs
MySQL replication has a wide range of uses, including debugging applications writing to the DB being replicated. Once set up, all statements “that update data or potentially could have updated it” are stored in one or more binary logs (MySQL … 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
mysql_secure_installation: A useful first step in securing a MySQL server
This won’t be an exhaustive post on how to secure a MySQL server. I just want to mention a useful utility packaged with MySQL server: mysql_secure_installation. Simply run it from the command line once MySQL server is installed and running. … Continue reading
More Tasty Tips for DenyHosts
After living with DenyHosts for some time, I have made some additional configuration changes that are quite helpful. Whitelist known good IPsI found after not very long that my home IP address had been added to my webserver’s hosts.deny file … Continue reading
DenyHosts: Watches your SSH log for you
While I knew that brute-force attacks on SSH servers are very common, I had not taken the time to look at the connection attempt logs on my home servers until recently. To do that on Ubuntu run: 1sudo tail -n … Continue reading