Linux Admin Basics 2 of 3 – shell scripting

Bash Options You can set bash option in two ways, with shopt or with set command. For example: Here is a list of options. Also, we can use the unset command to delete the variables during program execution, or the export command to export a variable or function to the environment of all the child processes running … Read moreLinux Admin Basics 2 of 3 – shell scripting

TCPdump and Wireshark configuration

This article explains how to troubleshoot TCP packet from Linux (CentOS) and Windows with TCP dump and wireshark. Both are important tools for troubleshooting. If you are troubleshooting a Windows server and have access to it to install Wireshark then there is nothing to worry about. Even if the server to troubleshoot is a Linux … Read moreTCPdump and Wireshark configuration

The Digital Doctor: Hope, Hype, and Harm at the Dawn of Medicine’s Computer Age

Reading notes: In healthcare, radiology is a successful sub-field that went digital without federal incentives, with a minimum of fuss and bother, and about a decade before the rest of healthcare did. Radiology’s experience over the past 15 years offers a crystal ball for the rest of the healthcare system. The speed with which computerization … Read moreThe Digital Doctor: Hope, Hype, and Harm at the Dawn of Medicine’s Computer Age

Linux Admin Basics 1 of 3 – Bash

This article summarized my time-saving Linux tips, mostly with CentOS environment. Bash Shortcuts These shortcuts save a lot of arrow keystrokes. Some of them may require some tweaking to work on MacOS. ctrl – w delete word ctrl – a cursor to end of line ctrl – e cursor to beginning of line ctrl – … Read moreLinux Admin Basics 1 of 3 – Bash