Workstation-setup

Adjust docker-compose and java version in setup.sh. Run the full setup script and the reboot.

./setup.sh

Setup tasks

• git
• sdkman
• nvm
• java
• gradle
• docker
• rambox pro
• #intellij idea -> toolbox
• spotify
• chromium
• zoom (external script to run it on every update)
• keepassxc
• #nextcloud -> not in use
• rsync
• gradle wrapper gw
• gnome-tweak-tool
• stop auto nw printer search
• restricted extras
• gtimelog
• psensor
• v4l-utils (camera settings)

Data transfer

Install openssh-server on the old machine and add the ssh key of the new machine to the authorized keys. Then adjust and run copy-files.sh

Others

Show modified configuration files

sudo debsums -ce

Search history back and forward

cat > ~/.inputrc << EOF
"\e[5~": history-search-backward   
"\e[6~": history-search-forward
EOF

In-memory /tmp folder

Add to /etc/fstab

https://wiki.archlinux.org/title/Tmpfs

https://wiki.centos.org/TipsAndTricks/TmpOnTmpfs

# in-memory /tmp
none   /tmp         tmpfs   rw,nodev,nosuid,size=4G          0  0

Keyboard shortcuts

Disable ubuntu keyboard shortcuts that conflict with intellij idea see disable_keys1.png and disable_keys2.png.

Avoid swapping

See https://linuxize.com/post/how-to-change-the-swappiness-value-in-linux/

Add to /etc/sysctl.conf

vm.swappiness = 1
vm.max_map_count = 262144

Alternative unix commands

https://github.com/ibraheemdev/modern-unix

Disable microphone of webcam/monitor

See https://forums.linuxmint.com/viewtopic.php?t=267051

For Logitech C505 webcam create /etc/udev/rules.d/90-local-C505-webcam.rules with

ACTION=="add", SUBSYSTEMS=="usb", ATTRS{idVendor}=="046d", ATTRS{idProduct}=="08e3", ATTR{bInterfaceClass}=="01", ATTR{authorized}="0"
SUBSYSTEM=="video4linux", SUBSYSTEMS=="usb", ATTRS{idVendor}=="046d", ATTRS{idProduct}=="08e3", PROGRAM="/usr/bin/v4l2-ctl --set-ctrl=white_balance_automatic=0 --device /dev/%k"
SUBSYSTEM=="video4linux", SUBSYSTEMS=="usb", ATTRS{idVendor}=="046d", ATTRS{idProduct}=="08e3", PROGRAM="/usr/bin/v4l2-ctl --set-ctrl=white_balance_temperature=1500 --device /dev/%k"
SUBSYSTEM=="video4linux", SUBSYSTEMS=="usb", ATTRS{idVendor}=="046d", ATTRS{idProduct}=="08e3", PROGRAM="/usr/bin/v4l2-ctl --set-ctrl=brightness=100 --device /dev/%k"
SUBSYSTEM=="video4linux", SUBSYSTEMS=="usb", ATTRS{idVendor}=="046d", ATTRS{idProduct}=="08e3", PROGRAM="/usr/bin/v4l2-ctl --set-ctrl=auto_exposure=3 --device /dev/%k"

For Dell Pro webcam webcam create /etc/udev/rules.d/99-local-dell-webcam.rules with

SUBSYSTEM=="video4linux", SUBSYSTEMS=="usb", ATTRS{idVendor}=="413c", ATTRS{idProduct}=="c022", PROGRAM="/usr/bin/v4l2-ctl --set-ctrl=zoom_absolute=200 --device /dev/%k"

SUBSYSTEM=="video4linux", SUBSYSTEMS=="usb", ATTRS{idVendor}=="413c", ATTRS{idProduct}=="c022", PROGRAM="/usr/bin/v4l2-ctl --set-ctrl=saturation=140 --device /dev/%k"

# better use auto low light enhancement of zoom
#SUBSYSTEM=="video4linux", SUBSYSTEMS=="usb", ATTRS{idVendor}=="413c", ATTRS{idProduct}=="c022", PROGRAM="/usr/bin/v4l2-ctl --set-ctrl=brightness=140 --device /dev/%k"

For MSI Monitor create /etc/udev/rules.d/90-block-monitor-sound.rules with

ACTION=="add", SUBSYSTEMS=="usb", ATTRS{idVendor}=="0bda", ATTRS{idProduct}=="4c3a", ATTR{bInterfaceClass}=="01", ATTR{authorized}="0"

Biometric

After enabled fingerprint for the user and added some fingers also activate it in pam module:

sudo pam-auth-update

Activate “Fingerprint authentication”.