Categories
SysOps

How to display systemd journal for specific service since it started

Display systemd journal for specific service since it started.

Categories
SysOps

How to display CPU information

Display CPU information.

Categories
DailyOps

How to follow data appended to a file using tail command

Follow data appended to a file using one of the two possible approaches.

Categories
SysOps

How to configure multiple IP addresses on Raspberry Pi device

Configure multiple IPv4 addresses on Raspberry Pi device.

Categories
SysOps

How to determine when service was started and stopped using the systemd journal

Determine when the service was started and stopped using the systemd journal.

Categories
SysOps

How to display boot times and uptime using systemd journal

Display when the operating system was booted and calculate uptime using the systemd journal.

Categories
DailyOps

How to read QR Code from an image

Read QR Code from an image.

Categories
DailyOps

How to generate QR Code to access the Wi-Fi network

Generate QR code to access the Wi-Fi network.