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aligot-death.space design

The design will be perpetually changing Content General idea Colors Typefaces and fonts Typefaces fonts Headings "Frames" Special elements left and right aligned elements Details-summary element Code highlighting General idea# Over the past few ye

Audiovisual Notes and links

What every coder should know about gamma pixels are not squares GIFs tools GIMP depth map Flow fields ffmpeg node editor command creator Thinkpad Yoga painting setup remote controlled timer for stage instrument frequency chart Making Sense of The Audio St

CHIRP

Content Personal settings Finding which port (Arch Linux) "Radio did not respond" Personal settings# These are settings for the radios and setup I use. It's probably not very useful to anyone else. port: USB serial (/dev/)ttyUSB0 Radio model:

Wordpress

Content Security disable xmlrpc.php Security# disable xmlrpc.php# https://www.hostinger.com/fr/tutoriels/xmlrpc-php

Games

Content Minecraft BallisticNG reset progression & cloud KSP Launch command Minecraft# Good tutorial on how to install Minecraft server on Linux: https://www.shells.com/l/en-US/tutorial/0-A-Guide-to-Installing-a-Minecraft-Server-on-Linux-Ubuntu Ballist

Godot

Content Multimesh buffer's layout MultiMeshInstance (2D) I usually work in csharp but most of the code here can be easily translated into godot's language "GDScript" if necessary using the API's guide. Multimesh buffer's layout# Th

Krita

Content Brushes multiple columns for tools Hide title in canvas mode Brushes# Krita brushes 2023-01 bundle multiple columns for tools# (eg: for tablet mode left-handed) first put dock next to other one (even if it doesn’t take whole height), then take the

Thunderbolt 3 & eGPU

Content thunderbolt eGPU Blender renderer External screen setup This is an old and chaotic list of tips: it's probably no longer relevant thunderbolt# https://forum.manjaro.org/t/cant-get-extra-monitor-interface-to-show-up/28767/5 blender 3.5 HSA_OVER

Virtual machines on Linux

Content Installation of the gaming machine Moving a VM Installation of the gaming machine# TODO when reinstalling. Moving a VM# Based on `Moving KVM/QEMU VMs <https://kamprianis.eu/michalis/i.think/personal/200628-moving-kvmqemu-vms-.html>`__ on kam

Basic linux packages

1 sudo apt install vim sysstat mlocate tmux python3-pip htop rofi xbindkeys keepassxc rsync fd-find hwinfo gparted curl

Homebrew cloud gaming setup

Content Installation of the gaming machine Turning the machine on and off remotely Turning on Turning off Controlling from a smartphone (yes!) Troubleshooting Installation of the gaming machine# If you want to game on linux, see Linux gaming setup for a s

Linux gaming setup

Content Installation of the gaming machine Remote gaming Installation of the gaming machine# For some reasons, typical "user-friendly" distributions are a shit circus. People usually system wide bugs with drivers that I don't with my own setup

Self-hosted Spotify

The is a work in progress: this page is here to keep track of the project. The go-to reference in the self-hosting commnunity is very complex: https://www.reddit.com/r/selfhosted/comments/9ya0or/selfhosted_music_playerspotify/ea0m2bk/ The goal is to build

Ansible

Content On client ad-hoc command On server On client# 1 sudo apt update && sudo apt install ansible -t 2 git clone https://framagit.org/Nemecle/heimdall 3 cd heimdall to launch: 1 ansible-playbook -i inventory.ini site.yml ad-hoc command# 1 ansibl

Software

Content Learning/Education music code Graphics learn fun Learning/Education# music# Incredibox Beatmaker Blokdust Sampulator musiclab Drum Machine Collaborative music: Plink List of various sound editors https://github.com/everestpipkin/tools-list#sound-e

Move user folders in Windows

The screenshot here are in french, but the corresponding translations are provided. Following the configuration of new computers with an additional "Data" drive, I wanted to move users' folders (Downloads, Documents, Pictures, Videos,...) on i

File recovery

to redact basic extract: testdisk (good tutorial: https://itsfoss.com/recover-deleted-files-linux/) mp4fixer: 1 perl /home/nemecle/Downloads/mp4fixer/fixer.pl /media/nemecle/HDD2/b/testdisk/DCIM/101_FUJI/DSCF0658.MOV /media/nemecle/HDD2/b/testdisk/DCIM/10

Hardware

Content Storage Stuck head Bricked SSD Connectors Power supply cords In-computer power connectors Pc building Seemingly dead computer USB development tool headers Use USB serial adapter as SDR Making circuitboard with household items Storage# Stuck head#

ROracle installation

ROracle rough installation bash history 1 1008 [12/01/18 - 16:30:24] R CMD INSTALL ROracle_1.3-1.tar.gz 2 1009 [12/01/18 - 16:33:07] yum list oracle 3 1010 [12/01/18 - 16:33:16] yum search oracle 4 1011 [12/01/18 - 16:33:50] yum install oracle-instantclie

Sysadmin notes and links

Utilities# USB recovery toolkit Read discord archive C -> assembly visual analyzer IT mysterie games ` <https://wavacity.com/>`__Audacity in browser Cable lacing System administration# recover missing blocks psql boot W10 VM from disk data recove

CSS only masonry layout

Content What is a masonry layout Code What is a masonry layout# A masonry layout is simply a gallery of images in which elements are scaled to obtained a single block with straight borders on the left and the right (in the case of an horizontal layout). W

strace

Content What strace is Basic commands Filtering Reading the file(s) What strace is# A quick excerpt from the man page to learn what strace is: ``strace`` is a useful diagnostic, instructional, and debugging tool [...] Each line in the trace contains the s

triggering i3lock on sleep

adapted from https://wiki.debian.org/ScreenLockingOnSleep /etc/systemd/system/i3lock.service: 1 [Unit] 2 Description=i3lock 3 Before=sleep.target 4 5 [Service] 6 User=nemecle 7 Type=forking 8 Environment=DISPLAY=:0 9 ExecStart=/home/nemecle/.bin/scripts/l

Setting IPv6 on a server

Potentially out of date Based on this documentation from OVH adapted for my own uses, on a debian-nginx server First, add to the file /etc/sysctl.conf: 1 net.ipv6.conf.all.autoconf=0 2 net.ipv6.conf.all.accept_ra=0 Then to apply changes: 1 sudo sysctl -p

Use two different IPs on a single web server

see "two ip one vps": 1 auto ens3 2 iface ens3 inet dhcp 3 4 auto ens3:0 5 iface ens3:0 inet static 6 address <ip#1> 7 netmask 255.255.255.255 8 9 auto ens3:1 10 iface ens3:1 inet static 11 address <ip#2> 12 netmask 255.255.255.255 Wil

Ardour

Content Installation JACK/QjackCtl Midi keyboard plugins Noise gate, reverber, flanger, sidechain compressor... Graphic EQ Synthesiser: Helm Geonkick syn-fusion Sound removal Audio tips Recording Mixing Editing Installation# This guide was tested on Debia

Avoid have to type SSH passphrase everytime

from How to avoid being asked passphrase each time I push to Bitbucket 1 ssh-add

"can't read superblock"

Not necessarly a drive fault, can for instance mean that it doesn't have enough power for external drive https://askubuntu.com/questions/539880/cant-mount-an-ide-hdd-cant-read-superblock-error-message

Direct kernel communication

Can be useful in case of partially stalled or locked system Alt, press SysRq (The SysRq being the Print Screen key), release SysRq, press <command key>, Hit ALT-SysRq-<command key>, release everything. Or if possible, 1 echo t > /proc/sysrq

ffmpeg

Content Creating a timelapse Concatenate ".ts" files from local record Creating a timelapse# 1080p/30i with jpg files: 1 ffmpeg -framerate 30 -pattern_type glob -i '*.jpg' -c:v libx264 -r 30 -pix_fmt yuv420p -s hd1080 out.mp4 Concatenate &

Changing the theme for GTK from CLI

(for instance, If you use typical GTK utilities in i3) 1 vim $HOME/.config/gtk-3.0/settings.ini Example config: 1 [Settings] 2 gtk-icon-theme-name = Paper 3 gtk-theme-name = Arc-Darker 4 gtk-font-name = DejaVu Sans 11

Managing multiple screens from CLI/i3wm

install xrandr. On debian, do: sudo apt install x11-xserver-utils More often than not, this is enough: xrandr --auto to see possible settings, type: xrandr to add a second screen next to a 2560x1440, plugged on HDMI2: xrandr --output HDMI-2 --pos 2560x0 -

Linux

Linux performance monitoring tools

See http://www.brendangregg.com/linuxperf.html

Mediawiki

Content Installation Update Installation# To do during ansible script creation Update# First, backup the database. The "set history +o" disables the shell history to avoid storing passwords: set +o history sudo mysqldump --user=<user> --pass

Mounting secondary drive on boot

Content Emergency mode sudo blkid sudo umount /mnt/xxx vim /etc/fstab: if in doubt, just pu UUID, mount point, FS type and "defaults 0 0" Emergency mode# Happened to me as I changed my DATA HDD. because I added it to /etc/fstab and the disk wasn&#

Easy network management from terminal

Might requires to install nmcli on some distros. Make sure to do it before you're disconnected. the nmcli utility is very easy and useful to manage network settings, including Wi-fi connections. For instance, listing available Wi-Fi networks: 1 nmcli

Nextcloud

https://websiteforstudents.com/install-nextcloud-on-ubuntu-17-04-17-10-with-nginx-mariadb-and-php/ Content Basic install Use USB connected drive as data directory NFS nginx mariadb php-mcrypt Live DNS Logging Troubleshooting Cannot login, always goes back

pelican

Pelican is a static site generator in python which is not necessarily beautiful out of the box, but offers a lot of control on the generation process. Content More practical work environment Writing Easy styling using html within a .rst file Table of cont

Post-install

1 usermod nemecle -aG sudo To install missing firmware (as printed during boot sequence), this command might be enough: 1 sudo apt install firmware Basic packages to install: 1 sudo apt install vim sysstat mlocate tmux python3-pip htop rofi xbindkeys keep

Recovering from deleted /boot/efi (dual boot)

the "/boot/efi" partition used to boot is not exclusive to Linux: it is shared with Windows, and thus you can (and should) provide it to utility tools that fix boot. It is usually on /dev/sda2. You can ls -l /boot/efi from a functioning linux to c

Safe bash script boilerplate

from full boilerplate here https://betterdev.blog/minimal-safe-bash-script-template/ Add right after shebang: 1 set -Eeuo pipefail

Siril

Content Bias/offset Dark basic most optimal Lights Comets Sources Bias/offset# inherent noise of sensor Can be taken once and used for months Temp doesn't matter very much for most cams Take 20-40 frames with lens cap on, shortest exposure available,

Using SSH as a VPN

1 ssh -NTCD 12345 SSH_remote_host_IP Then in firefox Preference > Network Setting > Settings… proxy as socks with 127.1:12345 Or for a SSH 1 ssh -o ProxyCommand='nc -x localhost:12345 %h %p' username@Far_Away_Host from: https://blog.gwlab.pa

SSH tunnel

ssh -p 34423 -f nemecle@frigg.nemecl.eu -L 5001:192.168.1.152:5000 -N Then open browser and go to http(s)://localhost:5001

Use "thin non-breaking space"

Useful for french typography. On Plasma Desktop: Settings > Keyboard > Key Bindings check "Configure keyboard options" search for "non-breaking" check "non-breaking space at the third level for Alt-Gr + Space (for other combinati

Updating linux

Content Updating Linux Updating Linux# 1 sudo apt upgrade && dist-upgrade && autoremove && autoclean

vim battle hardened config

" BASIC CONFIG set encoding=utf-8 syntax on set nu set rnu set hls set sm set smarttab set nocompatible set scrolloff=30 set backspace=indent,eol,start " backspace over everything in insert mode set ignorecase " do case insensitive search set

WAcom tablet configuration

CLI commands for left-handed, second screen excluded: 1 xsetwacom set "Wacom Bamboo 16FG 4x5 Pen stylus" rotate HALF 2 xsetwacom set "Wacom Bamboo 16FG 4x5 Pen eraser" rotate HALF 3 xsetwacom set "Wacom Bamboo 16FG 4x5 Pen stylus"

Simple log analyzer for web traffic

sudo apt install goaccess Then use like: cd /var/log/nginx goaccess example.com.access.log If your logs are setup as "combined" (multiple vhosts per file): goaccess example.com.access.log --log-format=COMBINED To concatenate multiple files: sudo z

Web development

Content Writing Colours Design Typography html5 CSS Unicode shenanigans Serving Default "catch all" nginx server block Allow "window.print()" with Content Security Policy Test Security https/SLL CORS Performance Responsive design Accessibi

Windows

Content Error "80004005" when connecting to a network drive Oculus Rift & Nvidia drivers Windows Process audit Reinstall Windows Store from Powershell Error "80004005" when connecting to a network drive# if you can ping (but uses IPv6)