Docker: syslog logging per container
In this article i will show you how to configure syslog logging per container, having logs organized in a <container-name>/<logfile>…
cat docker-syslog-logging-per-container.md →$ ls -lh ./posts
// also on this box: ./practice, ./tools and ./games
Docker: How to configure and use a local docker registry
In this article I show you how to create and use your own local docker registry, the reasons to create your own registry are keep images…
cat docker-how-to-configure-and-use-a-local-docker-registry.md →
x509 certificate signed by unknown authority error, how to resolve it.
Recently i had a problem with a Docker installation, where i could not “pull” any image from a Docker registry, the error message when i…
cat x509-certificate-signed-by-unknown-authority-error-how-to-resolve-it.md →
Linux: Execute commands in parallel with parallel-ssh
parallel-ssh is an asynchronous parallel SSH library designed for large scale automation.
cat linux-execute-commands-in-parallel-with-parallel-ssh.md →
Linux: disable ssh password login for specific users only
Recently i had the following scenario: we needed a local user which can
cat linux-disable-ssh-password-login-for-specific-users-only.md →
Bash: how not to print first or last N lines of a file
Assume we have the following file named file.txt
cat bash-how-not-to-print-first-or-last-n-lines-of-a-file.md →
Linux: How to kill a process using its listening port or used files!
To kill a Linux process you need to know either its PID or the process name, but there is also another way not so well known but still very…
cat linux-how-to-kill-a-process-using-its-listening-port-or-used-files.md →
How to configure a MongoDB
MongoDB is a cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents…
cat how-to-configure-a-mongodb.md →
Linux: How to configure logrotate: A mongodb example
Log files can quickly become very large and take up a lot of disk space. This can cause performance issues and can even lead to system…
cat linux-how-to-configure-logrotate-a-mongodb-example.md →