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How to send email from command line in fixed font
To send email that is in fixed font you can use: # (echo "Subject: bla"; echo "MIME-Version: 1.0"; echo "Content-Type: text/html"; echo "Content-Disposition: inline"; echo '<html><body><pre>The code element<SLASHpre></body></html>') | sendmail joop@...
Compare Apache conf files and Nginx conf files
APACHE: Apache Nginx test <VirtualHost *:80> server { listen 80; ServerName yoursite.com ServerAlias www.yoursite.com server_name yoursite.com www.yoursite.com; DocumentRoot /path/to/root root /path/to/root; AllowOverride All <span class=“highligh...
Commodore64
video output info
Video output info
Depending on the age, old consoles (and computers) output a worse video signal (quality-wise) than what the internal components actually produce. This was needed to be able to connect to TVs at the time. For example, the oldest output format is RF, wh...
Kde over ssh
$ export XDG_CURRENT_DESKTOP=kde $ dolphin
Pulseaudio settings for audiophiles
Pulseaudio is usually installed with default options to make it work with most hardware. But settings can be tuned for better sound-quality. Adjust the following settings in your daemon.conf: resample-method = soxr-vhq avoid-resampling = yes flat-vol...
Rsync root volume
# rsync -aAXv --exclude 'data' --exclude 'mnt' --exclude 'proc' --exclude 'sys' --exclude 'dev' --exclude 'run' /* /mnt/mmcblk/3/
Dell Latitude D610 DCC-Studio
Specifications Dell™ Latitude™ D610 User's Guide Processor Processor type L1 cache L2 cache External bus frequency System Information System chipset Processor Side Data bus width DRAM bus width Processor address bus wid...
Chrome options
/usr/bin/chromium -high-dpi-support=1 -force-device-scale-factor=1 --enable-features=UseOzonePlatform --ozone-platform=wayland %U /usr/bin/google-chrome-stable -high-dpi-support=1 -force-device-scale-factor=1 --enable-features=UseOzonePlatform --ozon...
Swap file on BTRFS
Then start GParted or another disk management app, delete the swap partition, expand your partitions (BTRFS can be grown online, no need for reboot). Create a subvolume to store your swap. Then create a swap file: https://wiki.archlinux.org/title/Swa...
SOX audio tool Quick Reference Guide
generate file Generate 1 second of white noise. sox -n output.wav synth 1 noise Generate a 1-second sine tone. sox -n output.wav synth 1 sine 440 Generate a 10-second sine sweep file. sox -n output.wav synth 10 sine 0:20000 Exponential sine sweep sox ...
PipeWire Quick Reference Guide
qpwgraph pw-top pw-cat - Play and record media with PipeWire pw-dump pw-dsdplay pw-play pw-record
Change root's theme
$ pkexec env "DISPLAY=$DISPLAY" "XAUTHORITY=$XAUTHORITY" "QT_QPA_PLATFORMTHEME=kde" systemsettings then change theme as normal.
Use NAB test tape to calibrate IEC deck and vice versa
Use an NAB test tape to calibrate an IEC deck Play the NAB tape on the IEC deck. I am assuming a 15 ips speed. Play a 1K test tone on the deck and make that your zero reference. Play the 8K tone and adjust for -2.5dB relative to your 1K tone. P...
Recover mybb account
goto mysql; ga naar database; execute: UPDATE `mybb_users` SET `salt` = ' ', `password` = 'YOUR_PASSWORD' WHERE `uid` = '1'; waarbij mybb_users de usertabel is en hopelijk de admin account id 1 heeft (en let op de backticks!!)
Use METAFLAC to edit Flac Tags
Install FLAC package, then metaflac will be present. #root@moode:/mnt/SDCARD# metaflac --set-tag ARTIST="David Axelrod" holythursday.flac #root@moode:/mnt/SDCARD# metaflac --set-tag TITLE="Holy Thursday" holythursday.flac #metaflac --list my_music.fl...
Use yt-dlp the correct way for music files
Use: -f bestaudio -f ba --extract-audio --audio-format flac for best audio quality. -o "%(title)s.%(ext)s" for correct naming of the files. --add-metadata for correct IDs. --parse-metadata "playlist_index:%(track_number)s" for parsing track numbers....
Test harddisk for bad blocks
# badblocks -e 10 -s -w /dev/mmcblk0 -e max bad block count Specify a maximum number of bad blocks before aborting the test. The default is 0, meaning the test will continue until the end of the test range is reached. -s show progress -w use write mod...