https://wiki.xsc.ovh/ 2026-04-06T16:28:31+0000 https://wiki.xsc.ovh/ https://wiki.xsc.ovh/lib/tpl/adoradark/images/favicon.ico text/html 2025-10-25T18:47:39+0000 xavier (xavier@undisclosed.example.com) https://wiki.xsc.ovh/doku.php?id=start&rev=1761418059&do=diff Xavier's Wiki Available services Docker Services details Quick access: * test_mediawiki: <http://localhost:8080> * dokuwiki: <https://localhost:8081> * plex: <http://localhost:32400/web> (public on <http://app.plex.tv>) * nextcloud: <https://localhost:8084/login> * subsonic: <https://localhost:8085> * cAdvisor: <http://localhost:8090> * prometheus: <http://localhost:8091> * grafana: <http://localhost:8092> Utils Server administration * Commands * Hard drive rescue * … text/html 2023-10-03T11:16:13+0000 xavier (xavier@undisclosed.example.com) https://wiki.xsc.ovh/doku.php?id=utils_setup_rdp_connection&rev=1696331773&do=diff Source article offline copy ----------------------------------------------- Install GNOME Desktop Environment GNOME is one of the most popular, free, and open-source desktop environments. It mainly targets Linux systems but can also run on BSD. GNOME is an excellent alternative to proprietary options like KDE. text/html 2022-04-12T23:29:23+0000 xavier (xavier@undisclosed.example.com) https://wiki.xsc.ovh/doku.php?id=utils_pdf_manipulation&rev=1649806163&do=diff PDF manipulation commands and explanations Compress PDF files Compression of batch of PDF files (different levels available): $ for i in `find *.pdf`; do gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH -sOutputFile=pdf/$i $i ; done text/html 2020-06-18T16:19:45+0000 xavier (xavier@undisclosed.example.com) https://wiki.xsc.ovh/doku.php?id=utils_video_encoding&rev=1592497185&do=diff Video encoding (ffmpeg) commands and explanations Compress video stream Compression without important video quality loss (tested with relatively low quality full HD source): $ ffmpeg -i input -vcodec libx265 -crf 24 output => -crf is the compression factor. Lower is better, 24 is about as low as is useful for libx265 text/html 2020-06-06T12:46:23+0000 xavier (xavier@undisclosed.example.com) https://wiki.xsc.ovh/doku.php?id=utils_flash_bios&rev=1591447583&do=diff Check BIOS version: # dmidecode -s bios-version Procedure: <https://wiki.debian.org/FlashBIOS> text/html 2020-06-06T11:42:30+0000 xavier (xavier@undisclosed.example.com) https://wiki.xsc.ovh/doku.php?id=utils_commands&rev=1591443750&do=diff Useful commands Error investigation Unfreeze PC at kernel level: <https://en.wikipedia.org/wiki/Magic_SysRq_key#Common_Usage> Show error and warning messages: # dmesg -T --level=err,warn Monitor message in real time: # dmesg -Tx --follow Test RAM: # apt-get install memtester # memtester 1024 5 (allocate 1024Mo and repeat 5 times)