When working with files in Linux, there might be required to clear the contents of a file without deleting file itself. One way to achieve that would be to open...
Linux
In Linux operating system all executed commands are tracked and stored in the history file. It can be used to view and recall the past commands. However, for security reasons...
Swap memory is a storage space on the disk which is used when there is no RAM space available for programs execution. Can happen that system uses swap memory even...
APT package manager allows to install packages on Debian, and Debian-based Linux distributions. APT store copy of the Debian packages (.deb) in the cache. It helps when want to reinstall...
The httpbin.org is a web service that accepts HTTP requests and returns a response. It is useful for testing HTTP clients using various HTTP methods, status codes, response formats, and...
The wttr.in is a weather forecast service that allows to view the weather forecast via command line. You don't need to install wttr.in in your system. All you need to...
Linux kernel is the main component of the Linux operating system. To determine which Linux kernel version is running on the system can be useful when troubleshooting issues.
This tutorial...
When the first time connected to the dashboard of Uptime Kuma, we need to create administrator user. If you forgot admin password, you can reset it by using a command...
When the first time connected to Portainer dashboard, we need to create administrator user. If you forgot admin password, you can reset it by using a commands.
This tutorial explains...
Grafana provides the dashboard that can be accessed via a web browser. Default username is admin and password admin. If you changed the admin password and forgot it, you can...