Setup

Configuration

This is a minimum configuration file for /etc/mpd.conf

music_directory "/var/lib/mpd/music"

playlist_directory "/var/lib/mpd/playlists"

db_file "/var/lib/mpd/mpd.db"

pid_file "/run/mpd/mpd.pid"

state_file "/var/lib/mpd/mpdstate"

user …

Music Player Daemon

Install, then run as user with all configuration files in ~/.config/mpd/.

Go down config list, copied from /usr/share/docs/mpd/ or something.

mpd-configure

Problem solving

I couldn't change volume, so in mpd.conf I uncommented the pulse audio lines and restarted mpd. This allowed pulse audio …

Create the configuration directory before you start, and add at least 1 URL.

1mkdir ~/.config/newsboat

1echo 'https://voidlinux.org/atom.xml foss tech' >> ~/.config/newsboat/urls

Start newsobat and press r to load your feed.

To add a feed, you can press E to edit that urls file.

Examples of Feeds …

Install nginx:

1sudo apt-get install nginx

1sudo apt-get enable --now nginx

Put a website somewhere:

1mkdir /var/www/html/mysite/

Put an index file there:

1vim /var/www/html/mysite/index.html

Make the owner www-data

1chown -R www-data:www-data /var/www/html/mysite/

Make a configuration file for nginx:

1vim …

Example:

1nmap 192.168.1.1/24

Flags:

Look for a web server, which has ports 80 and 443 open:

1nmap 192.168.1.1/24 -p 80,443 --open

Packages are kept in /var/cache/pacman/pkg.

Delete unused old packages with:

1sudo pacman -Sc

Signatures are handled by the pacman-key, initially set up with:

1sudo pacman-key --populate archlinux

And refreshed with:

sudo pacman-key --refresh-keys

If you have usigned keys, you can refresh with:

1sudo pacman -Sc

or

1 …

FDisk Basics

1sudo fdisk /dev/sda

• m for help.

• n to make a partition.

• t to mark the partition type (see IDs below).

• w to write the changes to the disk.

Note the asterisk marking the boot partition.

IDs

Video instructions

Setup gpg keys.

Show your gpg secret it:

1gpg --list-secret-keys

Then use the id number under sec to make a pass repo:

1KEY="$(gpg --list-secret-keys  | grep -m 1 -A1 '^sec' | tail -n 1)"

1pass init $KEY

To add a basic password, e.g. for $WEBSITE:

1pass $WEBSITE

To insert a multiline …

Make a text file called 'pdfmark.txt'.

1[ /Title ()
2/Author ()
3/Subject ()
4/Creator ()
5/ModDate ()
6/Producer ()
7/Keywords ()
8/CreationDate ()
9/DOCINFO pdfmark

Then run:

1gs -o output.pdf -sDEVICE=pdfwrite "$FILE".pdf pdfmark.txt

How to translate pdf book images to text (results are very poor, and will need lots of corrections).

Dependencies

Search for 'tesseract english' (or whatever language).

Arch: tesseract-data-eng and poppler-utils

Script

1pdftoppm -png *file*.pdf test

1for x in \*png; do
2    tesseract -l eng  "$x" - >> …