Get My IP

Using Existing Tools Efficient programming requires planning at both the design stage and the implementation stage. You can only improve an inefficient design so much. When prototyping with bash, work with existing tools. Typical implementation tradeoff is space against time. Using the best tools frequently improves both. Take advantage of their greatest speed and greatest … Read more

Hardware Queries

Several Linux utilities exist for querying and, in some cases, setting the system’s hardware. Run these utilities as root. dmidecode(8) — dnf install dmidecode DMI stands for Desktop Management Interface. This app dumps a great deal of information about the BIOS. Scrolling through the huge output is informative, but narrowing it down with certain options … Read more

Collecting Server Software Versions

You manage several servers running Linux distributions. Each server’s installation may be different, due to operation purpose or due to error. How do you know which ones need attention? Need upgrades? Make your servers tell you their installed software lists. Each list shows what is installed, but comparing lists from┬áseveral servers is not easy because … Read more

Setup F.Lux on Linux

Some years ago, while reading Mark Sisson’s health advice, I found out (directly) about f.lux software. It changes the screen’s color temperature (blue) from my system’s daytime usage into a color temperature more sleep conducive (red) for nighttime usage. At night, red color temperature (a warm color) does not block, maybe even facilitates, melatonin production … Read more