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beginner level
onions and garlic munching garlic chamomile tea with honey rinsing with etheric oils wiping outsi...
resize w of images in folder
width 1920 for f in *.jpg; do convert "$f" -resize 1920x "${f%.jpg}.jpeg"; done longest side 1920...
Force printing queue in misbehaving printer
when printer misbehaves and doesnt wwant to print, create separate printing instances, e.g. 100 f...
REPORTS - rename all files
#!/bin/bash # usage: ./rename_files_combined.sh renames_DOC.csv /path/to/main/folder renames_RBA....
REPORTS - diagnostic script
#!/bin/bash CSV="$1" ROOT="$2" cat "$CSV" | while IFS=',' read -r idx amount date; do pattern="...
REPORTS - rename documentation (not done ❌)
csv format 01-1-1,2.000,00,05.06.2026. 01-1-2,18,00,02.03.2026. chmod +x rename_files_DOC.sh ./re...
REPORTS - rename bank reports
RBA csv format 03-1,FSTM1106934995_20260605.pdf 06-1,FSTM1106934995_20260420.pdf 10-01-001,FSTM11...
Bookstack Docker install
Create admin user after install sudo docker exec -it bookstack bash /app/www/artisan bookstack:...
Sharing public keys
To be able to login into our shared server, you need to share your PUBLIC key publicly - which is...
Notes
https://warpgate.null.page/
Generate keys and disable password login
On client ssh-keygen -t rsa -b 4096 -f ~/.ssh/share_key On server adduser $USER Copy key to ...
Tunneling over ssh to other computers on the lan
ssh -J $USER@$DOMAIN1 -i ~/.ssh/private_key1 $USER2@$IP -i ~/.ssh/private_key2
Mounting a directory over the network as a chrooted user
Create a new system user that will be restricted to SSHFS mounting. sudo adduser sshfsuser --she...
Provisioning an instance
Like every browser control panel in the world this one is awful so good luck!Find and select "ins...
Wordpress custom styles
Block Name Block Type Supports register_block_style()? Notes / Quirks core/para...
Passwordless sudo
# visudo ALL=(ALL) NOPASSWD:ALL
Proxmox via tailscale only
/etc/default/pveproxy LISTEN_IP="$TailscaleIP"
Setup DHCP for guests on proxmox host
apt install dnsmasq/etc/dnsmasq.d/vmbr0.conf interface=vmbr0 dhcp-range=10.10.10.50,10.10.10.20...
Pre - recording checklist
Pre vdo.ninja session checklist: a "general rehearsal" is a must - a 10 - 15 minute session wi...
Enable dropbear on boot to decrypt full disk encryption
install dropbear-initramfs put public rsa key in /etc/dropbear/initramfs/authorized_keys, prep...