$ ls -lh ./posts
// also on this box: ./practice, ./tools and ./games
Docker: how to use the nginx web server.
Docker containers are like little virtual machines, but they contain only the running application and its dependencies and they run…
cat docker-how-to-use-the-nginx-web-server.md →
How to Run Python Functions in Parallel Using Ray API
Build distributed applications
cat python-use-ray-to-run-functions-in-parallel.md →
Linux: How to rsync between two remote servers that do not communicate each
rsync is widely used by sysadmins to sync files between servers, primarily because of its advantages to sync deltas and resume interrupted…
cat linux-how-to-rsync-between-two-remote-servers-that-do-not-communicate-each.md →
How to prioritize tasks
Every day we deal with tasks, from simple to very complex tasks. To determine which tasks will be executed and in what order can be…
cat how-to-prioritize-tasks.md →
Linux: How to empty a log file that is in use without stopping the process that is using the file
A very common situation that every system administrator faces is a process that writes to files (mostly log files) very fast and the disk…
cat linux-how-to-empty-a-log-file-that-is-in-use-without-stopping-the-process-that-is-using-the-file.md →
Linux: How to compress data in a remote server and save them locally in one command!
One of the most common tasks of a system administrator is to compress some files in a remote server and then move them to another server…
cat linux-how-to-compress-data-in-a-remote-server-and-save-them-locally-in-one-command.md →
Linux: how to end to end verify UDP and TCP connectivity with nc
Testing end to end connectivity in Linux is always a necessity when we want to debug connectivity issues. Before we blame the application…
cat linux-how-to-end-to-end-verify-udp-and-tcp-connectivity-with-nc.md →
How To Use ThreadPoolExecutor in Python
There are several ways to run parallel tasks in Python. Threads in python are well suited for applications that the parallel tasks are I/O…
cat how-to-use-threadpoolexecutor-in-python.md →