Linux

Debian users running the latest Docker version 23 currently receive the following error when starting a container: Error response from daemon: AppArmor enabled on system but the docker-default profile could not be loaded How to fix AppArmor Docker error You may also get the full error message: Error response from daemon: AppArmor enabled on system but the docker-default profile could not be loaded: running `apparmor_parser apparmor_parser --version` failed with output: error: exec: "apparmor_parser": executable file not found in $PATH Error: failed to start containers: container-name To fix this AppArmor Error on Debian 11 all you need to do is installing the AppArmor package....

Instead of using a cronjob placed in our crontab, we can make use of a systemd timer on a modern linux system which is running systemd. For a systemd timer to work, it needs two parts. One part consists of a .timer file, and a .service file. The .timer file specifies when our service should be started. Just like a cronjob we can specify here on which days, in which week or at which time our service should be started....

With the following script we monitor the SSH login on a server and send a notification via Telegram API. This way you will get a notification in real time when someone logs in to your server via SSH. For me this is a valuable security feature. Telegram Notification on successful SSH Login telegram-send Python Script First, we create the following Python script, which is used to send messages to Telegram’s API....