Learn what Nginx is and how to install it on Ubuntu 22.04/24.04: master systemctl service commands, UFW firewall rules, and virtual host server blocks.
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Build a raw PEP 3333 Python WSGI web application from scratch and deploy it with uWSGI and Nginx: sockets, emperor mode, and systemd setup.
Explore guideRecover your Linux system from the grub rescue prompt: locate root partitions (ls, set root, prefix), load normal module, insmod, and update-grub.
Explore guideEC2 public IPs change on stop/restart, which breaks anything pointing at them. The fix is mapping a custom domain via an Elastic IP.
Explore guideInkscape is a free and open-source vector graphics editor for creating scalable, high-quality designs (SVG, PNG, EPS, PDF, AI). Ubuntu users can install it via APT, Snap, or Flatpak.
Explore guideInstall GStreamer development libraries on Ubuntu/Debian & Fedora: configure gst-launch-1.0 CLI, plugin packages, and C/C++ pkg-config dependencies.
Explore guideStop BRLTTY daemon from claiming CH340 / FTDI USB serial COM ports in Linux: disable udev rules, mask brltty.service, and restore ttyUSB access.
Explore guideTest and debug USB to RS-232 serial adapters on Linux: identify /dev/ttyUSB0 nodes via dmesg & lsusb, loopback test with picocom, minicom, or screen.
Explore guideInstall Arduino IDE on Ubuntu Linux: download AppImage / Flatpak binaries, add dialout group permissions for ttyUSB/ttyACM, and configure board managers.
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