Posted inContainers Linux Miscellaneous
“The 2026 Enterprise Linux Roadmap: 5 Fundamental Skills for Large-Scale Ops”
In 2026, the "real-world" Linux administrator at a large enterprise is no longer just a "fixer" — they…
Posted inHow tos Linux Miscellaneous
Netstat alternative – dump socket statistics with ss
The net-tools set of packages had been deprecated years back, although the commands are still being in use.…
Posted inHow tos Linux Miscellaneous
How to view changelog of Debian or Ubuntu package
Show the changelog of package with apt-get In Ubuntu, the command "dpkg" is a tool to install, build,…
Posted inComputer Security How tos Linux
Get HTTP headers
Linux - view HTTP header response using curl, httpie, GET, nmap Most users are interested in the content…
Posted inHow tos Linux Miscellaneous
Linux – how to create a file
Creating a text file in Linux In Unix, everything is a file. In this particular case though we…
Posted inHow tos Linux Miscellaneous
Exclude files from Dockerfile
How to exclude files from being added to docker image TL;DR - use .dockerignore file, Docker's equivalent of…
Posted inHow tos Linux Miscellaneous
Linux – Cheat sheet
Using curl to get help on Linux commands, programming languages and more. The most comprehensive cheat sheet. If…
Posted inHow tos Linux Miscellaneous
Linux – curl show request and response times
curl - use variables to show response times and other parameters curl is a tool to interact with…
Posted inHow tos Linux Miscellaneous
tree . sed: read error on .: Is a directory
Error when running tree command The tree command is a popular utility which lists the contents of a…
Posted inHow tos Linux Miscellaneous
apr_socket_connect(): Cannot assign requested address (99)
Linux - Cannot assign requested address While running a performance test on a local web service, I encountered…