Turn a markdown file into a pdf: 1lowdown -stms "$FILE".md | pdfroff -itk -mspdf > "$FILE".pdf Example: put this Makefile in a directory, rename it Makefile, then do: 1make example 2make To give the document a title, put that title in the metadata: 1sed -i "1 i---" "$FILE".md 2sed -i "1 ititle: $TITLE" "$FILE".md 3sed …

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RAID5 You will need 4 disks and the mdadm package. The total size will be equal to the disks x 3, because one will be used for redundancy. 1sudo mdadm --create --verbose /dev/md127 --level=5 --raid-devices=4 /dev/sdb /dev/sdc /dev/sdd /dev/sde Note the variable parts: The name of the device could be /dev/md12 or …

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See screen size 1xrandr -q Automatically configure: 1xrandr --auto

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Print the average CPU load over 1 minute, 5 minutes, and 15 minutes: 1watch -d cat /proc/loadavg 2stress="$(cat /proc/loadavg | awk '{print "Usage:" $2"%"}')" Show memory usage in Gibitytes. 1free -g Show low and high gigibtye usage on a line, and repeat the measurement every 5 seconds: 1REP=5 2free --lohi -g -s $REP | …

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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 "mpd" audio_output { type "pulse" name "My Pulse Output" } …

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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 output, …

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Netstat Stuff Stats on local net usage within domain. 1iftop -p -n 1whois domain.com Info on domain, whether it's taken, et c.: 1dig domain.com 1ifconfig Versatile wifi tool: 1nmcli Examples You want to connect to the internet. 1sudo iwconfig Get knowledge of wireless state. The output might be: wlp3s0 IEEE 802.11 …

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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 …

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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 …

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Example: 1nmap 192.168.1.1/24 Flags: Flag Meaning Effect -F Fast First 100 ports only Look for a web server, which has ports 80 and 443 open: 1nmap 192.168.1.1/24 -p 80,443 --open

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