01Linux
How to Check Battery Status on a Linux Laptop
Check charge, charging state, estimated runtime, and capacity retention on Ubuntu with Settings, UPower, sysfs, and acpi.
6 min read↗
CATEGORY ARCHIVE
How tos.
Practical knowledge, one discovery at a time.
94 ARTICLES
02Linux
Top 10 Advanced Linux Commands for Cloud Engineers
As a cloud engineer, mastering advanced Linux commands is crucial for efficient cloud management. Here's a list of the top 10 commands you should know:
3 min read↗
03Linux
Debug connection performance with curl
How to use curl to get network connectivity performance stats
3 min read↗
04Linux
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. Tools such as netstat and ifconfig are part of the net-to
2 min read↗
05Linux
Linux / Bash – generate a sequence of numbers
Linux / Bash – generate a sequence of numbers
1 min read↗
06Linux
How to view changelog of Debian or Ubuntu package
In Ubuntu, the command "dpkg" is a tool to install, build, remove and manage Debian packages. And aptitude("apt") is commonly used a frontend for dpkg. For instance,
2 min read↗
07Linux
Linux – view dns cache contents
Every visit to a site such as google.com starts with resolving the domain name or FQDN to an IP address. And this resolution is done by a dns service. The domain nam
1 min read↗
08Linux
Linux – flush dns with systemd
systemd-resolve is a CLI tool for resolving domain names, IPv4 and IPv6 addresses, DNS records and services.
1 min read↗
09Linux
Get HTTP headers
Most users are interested in the content they receive when they visit a web site. There is an extra information web clients and servers exchange - HTTP headers. HTTP
5 min read↗
10Linux
Linux – how to delete files with dash or double dash
In Linux, trying to delete a file its name starts with dash('-') or double dashes('--') will fails, as dash or '-' is interpreted as an option by the rm and most lin
1 min read↗