Published on Tux Machines (http://www.tuxmachines.org) Home > content > today's howtos today's howtos By Roy Schestowitz Created 23/11/2020 - 3:13pm Submitted by Roy Schestowitz on Monday 23rd of November 2020 03:13:32 PM Filed under HowTos [1] An introduction to Prometheus metrics and performance monitoring | Enable Sysadmin[2] Use Prometheus to gather metrics into usable, actionable entries, giving you the data you need to manage alerts and performance information in your environment. Why does Wireshark say no interfaces found ? Linux Hint [3] Wireshark is a very famous, open-source network capturing and analyzing tool. While using Wireshark, we may face many common issues. One of the common issues is ?No Interfaces are listed in Wireshark?. Let?s understand the issue and find a solution in Linux OS.If you do not know Wireshark basic, then check Wireshark Basic first, then come back here. How to Solve ?Sub-process /usr/bin/dpkg returned an error code (1)? In Ubuntu[4] It?s not uncommon to run into an issue of broken packages in Ubuntu and other Debian-based distributions. Sometimes, when you upgrade the system or install a software package, you may encounter the ?Sub-process /usr/bin/dpkg returned an error code? error. For example, a while back, I tried to upgrade Ubuntu 18.04 and I bumped into the dpkg error as shown below. [...] This type of dpkg error points to an issue with the package installer usually caused by the interruption of an installation process or a corrupt dpkg database. Any of the above-mentioned solutions should fix this error. If you have come this far, then it?s our hope that the issue has been successfully resolved and that you were able to reinstall your software package. inttf NVIDIA Patcher [BASH Script] ? If Not True Then False [5] This is a BASH script, which download NVIDIA installer, extract it, patch it and make new patched installer package. This is very quickly tested alpha version so if you have any problems please let me know or if this works as it should you can also let me know. I use here currently Isaak I. Aleksandrov patches with my own modifications. How to increase the size of your swapfile | Arcolinux.com [6] Always think out of the box. Do not restrict yourself to just Arch Linux articles or ArcoLinux articles. How to Install and Use PHP Composer on Linux Distributions [7] The PHP composer is a dependency manager of the PHP framework that you can use on your Linux system to install PHP modules, applications, and packages. The PHP composer is a command-line based tool for Linux. If you are a programmer, you might know that different languages use different package dependency managers to install and update modules inside the system. Like, Python uses Pip, RUBY uses Bundler; in the same way, you can use the composer tool to install the PHP modules and packages on your system. Synchronize Files Between Multiple Systems With Syncthing - OSTechNix[8] In this step by step tutorial, we are going to learn what is Syncthing, how to install Syncthing on Linux, how to synchronize files between multiple systems in real time, and finally how to troubleshoot common Syncthing problems. Install the XFCE desktop on your Raspberry PI - PragmaticLinux [9] In this article you?ll learn how to install the XFCE desktop on your Raspberry PI. We?ll take a minimal install of the Raspberry PI operating system as a starting point. The XFCE installation on your Raspberry PI includes setting up all necessary building blocks, such as: display server, display manager, session manager, window manager and desktop environment. HowTos Source URL: http://www.tuxmachines.org/node/144669 Links: [1] http://www.tuxmachines.org/taxonomy/term/98 [2] https://www.redhat.com/sysadmin/introduction-prometheus-metrics-and-performance-monitoring [3] https://linuxhint.com/wireshark-detecting-no-interfaces/ [4] https://www.tecmint.com/sub-process-usr-bin-dpkg-returned-an-error-in-ubuntu/ [5] https://www.if-not-true-then-false.com/2020/inttf-nvidia-patcher/ [6] https://arcolinux.com/how-to-increase-the-size-of-your-swapfile/ [7] https://www.ubuntupit.com/how-to-install-and-use-php-composer-on-linux-distributions/ [8] https://ostechnix.com/synchronize-files-between-multiple-systems-with-syncthing/ [9] https://www.pragmaticlinux.com/2020/11/install-the-xfce-desktop-on-your-raspberry-pi/.