Tor is free software and an open network. Tor protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody watching your Internet connection from learning what sites you visit, and it prevents the sites you visit from learning your physical location. You can [...]
If you followed my previous guides for LEMP Install NGINX PHP7 MySQL on Ubuntu 16.04 Server then you probably installed NGINX from the Ubuntu repo. Unfortunately, the version in the Ubuntu repo doesn't get updated very often, so depending on how long ago you installed NGINX, you might be pretty far behind in versions. Newer [...]
I recently came across an issue where an Ubuntu 14.04 LTS server wasn't syncing the time so the jitter and drifting of the time wasn't correcting itself. This caused issues with some of the applications running on the server because the time would be off as much as 45 minutes after a week or two [...]
If you're a Linux Systems Administrator or run an Ubuntu Linux Server for a small website somewhere, now would be a good time to plan an upgrade to Ubuntu 16.04 Xenial Xerus if you're currently running Ubuntu 14.04. You can read the Ubuntu Release Notes to see some of the new features available. Ubuntu has [...]
YAWAST is an application meant to simplify initial analysis and information gathering for penetration testers and security auditors. It performs basic checks in these categories: TLS/SSL - Versions and cipher suites supported; common issues. Information Disclosure - Checks for common information leaks. Presence of Files or Directories - Checks for files or directories that could [...]
A zero-day local privilege escalation vulnerability has been found in the Linux kernel that has existed since 2005, being called DirtyCow. This bug affects a large number of popular Linux distros as well as Android devices. By exploiting the DirtyCow vulnerability, any user can become root (admin) in less than 5 seconds. The vulnerability has [...]
System Administrator Andrew Ayer has discovered a system crippling bug in systemd that affects multiple Linux distributions such as Debian, Ubuntu, and CentOS. The bug has existed for more than two years and does not require root access to exploit. According to the article: After running this command, PID 1 is hung in the pause [...]
If you're a blogger or a web developer, there will hopefully come a time when you out-grow a shared host and need either a VPS or a dedicated server to run your website. In this article, I'll walk you through the steps to do a LEMP install on Ubuntu 16.04 Server. A LEMP install will [...]