Posted by tony on January 8, 2018
One of the most frustrating errors the sysadmin comes across when working with Nginx is the 502 error. The text accompanying this error is ‘Bad Gateway’, which, unfortunately, doesn’t say much about what might have gone
Read More +Posted by tony on January 8, 2018
While the domination of Linux on the server scene is undisputed, managing servers isn’t for everyone. One big reason is that people just don’t know their way around the command line even if they are knowledgeable about what g
Read More +Posted by tony on December 15, 2017
While the Linux system comes with mail-reading facility built in, the environment is really not convenient for those who don’t love the command line that much. A graphical client offers a lot more ease and features. For setting up
Read More +Posted by tony on December 8, 2017
When it comes to enterprise-grade network and service monitoring, there are few challengers to OpenNMS. It provides a simple web-based interface to visually monitor different parts of your service, and comes with a REST API that allows q
Read More +Posted by tony on December 5, 2017
Editing PDF files is a common enough task; but unfortunately, there’s no good solution for it in Ubuntu by default. While a lot can be said for Evince when it comes to reading PDF documents, the editing story is still underdevelope
Read More +Posted by tony on December 1, 2017
The default font collection on Ubuntu 16.04 leaves a lot to be desired. In fact, it was the case with much of Web (what with the very aggressively priced fonts and all that) until Google Web Fonts came along. We now have access to hundre
Read More +Posted by tony on December 1, 2017
The good thing about Ubuntu 16.04, as far as the Python programming environment is concerned, is that it comes with pre-installed Python3 support. For many years, the Python community has lived in the 2.7 vs. 3.0 divide, with many refusi
Read More +Posted by tony on November 30, 2017
Just like SSL, Docker has made it way up the ‘nice-to-have’ things list to among the top five ‘must-haves.’ The unprecedented success of lightweight containers is a reflection of just how useful (and not to mentio
Read More +Posted by tony on November 29, 2017
For the uninitiated, RDP stands for Remote Desktop Protocol. And just like the expanded form suggests, it’s a protocol for a machine to accept remote desktop connections from other machines. XRDP is a server for CentOS 7 that imple
Read More +Posted by tony on November 23, 2017
Why would one want to change the default SSH port? Does it make your server more secure? In a sense, it does. Changing the default port means that attackers get nothing by attacking the default port 22. While that’s not to say that
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