Memory:

Check for swap usage in df -h

System Monitoring

Resource monitor: htop General Hardware & System info, benchmarking, etc. (GUI): hardinfo GPU: intel_gpu_top SpeedTest: speedtest -> From Ookla, its repository is in /etc/apt/sources.list.d

Hide desktop icons - MATE (Locks the desktop)

gsettings set org.mate.background show-desktop-icons false

Webcam:

cvlc v4l2:///dev/video0

DPKG - List programs installed + dates of installation

(Format yyyy-mm-dd \t program): grep "installed" /var/log/dpkg.log | awk '{print $1 "\t" $5}' | cut -d ":" -f 1 | sort | uniq | less

Redshift (Night mode)

Command enable: /etc/init.d ~/.conf/redshift.conf

Battery life and stats:

• tlp (Program). Run tlp-stat -p/-r/-t/-w etc. Processor, alerts, Temp, battery life, etc.

Custom DNS nameservers:

Modifying nameserver. Default: ISP / Router's config. https://www.techradar.com/news/best-dns-server

-- Open Nic: Automatically detect the most efficient route for location: https://www.opennic.org/ --Alternative: Quad9 -> 9.9.9.9