SRE – Systems/Network

SRE – Systems and Network

Tips and tricks

  • Nmap (“Network Mapper”) is a free and open source (license) utility for network discovery and security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or…

  • It can be useful to find the main DNS servers for a domain name and see if you can query it directly to ensure the value you got from your DNS server is the most recent. For this, you can…

  • By default, Python 2.6 does not permit to open an FTPS connection (using SSL/TLS) and restricts the use of non secure protocol FTP. However, it’s possible to get around this lack by using the FTP library available since version 2.7,…

  • As you certainly know, it’s possible to easily integrate a Google Agenda to your website by using the steps described in Google support: https://support.google.com/calendar/answer/41207&hl=en When you are integrating the agenda, several parameters can be configured directly using the graphical interface…

  • With Google Chrome 37, depending on your screen resolution, it’s possible that yout get a tabs bar and a bookmarks bar much bigger than usually. No worries, there is an easy and quick workaround for this! For that, just follow…

  • It can happen that while you are creating an event on your computer, this one is correctly synchronized with your smartphone few minutes later. However, the contrary doesn’t work: you are trying to create an event on your smartphone, but…

  • You want to add a new hard drive disk (or a new partition) to your Linux system but this disk will contain some private data then you want it to be encrypted so you can restrict its access to whom…

  • You would like to deliver some media content from your Chrome PC to your Chromecast for local videos, you can so use Plex Media Server which is now fully compatible with Chromecast! For that, just follow the next steps: Download Plex…

  • You didn’t change anything on your computer, you’re the only user and administrator but are still getting this error of “Updates are disabled by the administrator” ? Following steps will help you to fix this issue easily: Ensure you have administrator…

  • When developping a website, you could need to send custom requests to your server so you can analyze its behavior and its responses. If you’re not using secured protocol, that’s easy, you just need to connect to port 80 (usually)…