https://gowt.dev/tags/system-utilities/Recent content in System Utilities on HomeHugoen-usTue, 16 Dec 2025 00:00:00 +0000https://gowt.dev/posts/system-utils/external-monitor/Tue, 16 Dec 2025 00:00:00 +0000https://gowt.dev/posts/system-utils/external-monitor/External monitor (xrandr) Preview current display setup: xrandr List available GPU output providers: xrandr --listproviders Place external monitor to the right of the laptop display: xrandr --output HDMI-1-0 --auto --right-of eDP Duplicate laptop display: xrandr --output HDMI-1-0 --mode 1920x1080 --same-as eDPhttps://gowt.dev/posts/system-utils/pdf-tools/Wed, 30 Jul 2025 00:00:00 +0000https://gowt.dev/posts/system-utils/pdf-tools/xpdf-utils / poppler-utils Install (Debian replaces xpdf-utils with poppler-utils): sudo aptitude install xpdf-utils Decrypt PDF and create PostScript: pdftops -upw YOURPASSWORD-HERE input.pdf Creates input.ps. Convert PostScript back to PDF (no password): ps2pdf input.ps qpdf Decrypt a restricted PDF: qpdf --decrypt restricted-input.pdf unrestricted-output.pdf pdftk Install: sudo aptitude install pdftk Add / edit PDF bookmarks (outline) Export metadata: pdftk book.pdf dump_data > meta.txt Add bookmarks at the end of meta.txt: BookmarkBegin BookmarkTitle: Chapter 1 Introduction BookmarkLevel: 1 BookmarkPageNumber: 5 Subsections must follow parent level:https://gowt.dev/posts/system-utils/fastfetch/Wed, 09 Jul 2025 00:00:00 +0000https://gowt.dev/posts/system-utils/fastfetch/Install Download Fastfetch from GitHub: https://github.com/fastfetch-cli/fastfetch Install the .deb package. Usage Run Fastfetch: fastfetch Use a specific distro logo: fastfetch --logo debian Show all information: fastfetch -c all.jsonc Query a specific module in JSON format: fastfetch -s <module> --format json Modules Replace <module> with one of the supported modules (CPU, GPU, Memory, Disk, OS, Kernel, Network, etc.). Full list is available in the Fastfetch repository documentation. Auto-run on terminal start Edit bash configuration:https://gowt.dev/posts/system-utils/btop/Tue, 29 Apr 2025 00:00:00 +0000https://gowt.dev/posts/system-utils/btop/Install sudo aptitude install btophttps://gowt.dev/posts/system-utils/debian13/Wed, 05 Mar 2025 00:00:00 +0000https://gowt.dev/posts/system-utils/debian13/This note documents replacing Windows with Debian 13 (Trixie) on an HP laptop, including BIOS setup, offline install, and post-install configuration. 1. Booting Debian Create bootable USB Download the firmware-included ISO from: https://www.debian.org/distrib/ Example: debian-13.1.0-amd64-DVD-1.iso Create USB using Rufus (https://rufus.ie): Partition scheme: GPT Target system: UEFI (non-CSM) BIOS / UEFI (HP) Reboot → press F10 → BIOS Security → Secure Boot Configuration → Disable Secure Boot Reboot → press F9 Select UEFI: <USB device> Install Debian Choose Graphical Install Skip network drivers if not detected Use Guided partitioning Set root password Create normal user Display manager If multiple desktops are installed: