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Debian-Based Server Setup

Debian 12 with Desktop

Run update and upgrade distro first. Install NTP package is there are errors with that. Reboot

Setup powertop and powersaving features

apt install powertop
powertop --auto-tune

Powersave governor and at reboot. Remember to run the command again

@reboot echo "powersave" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor >/dev/null 2>&1

Ensure these packages are installed

powertop htop ctop iotop fio curl gnupg wget ntfs-3g neofetch ca-certificates lsb-release hdparm openssh-server

HDD

lsblk and blkid to get the ntfs hard drive /dev name and the /dev/by-uuid/...

Edit the fstab to mount the drive, same entry for nvme drive

UUID=CC34294F34293E38 /mnt/data ntfs-3g 0 0

If the mounted device is HDD array, need to spindown disk with hdparm

hdparm -B 120 /dev/sdb # set the APM level
hdparm -S 241 /dev/sdb

For the -S spindown, 0-240 is multiple of 5s, 241-255 is multiple of 30 min. The above command set spindown every 30min.

Sudo without password, go to visudo and add the lines to the bottom, replace $USER with the actual username.

$USER ALL=(ALL) NOPASSWD: ALL

Edit shortcuts in bashrc

source .bashrc

OpenSSH with Keys

Open Putty software and generate a key

image.png

  1. Copy the red part and use nano to add it in the server ~/.ssh/authorized_keys
  2. Make sure permissions are correct
  3. mkdir -p ~/.ssh
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized_keys
nano ~/.ssh/authorized_keys
  4. Save private key as ppk file on the root ssh folder.
  5. Convert the private key Conversion > Export OpenSSH Keys and save the file to a folder OpenSSH Keys

Desktop Environment Setup

Firefox

The location of firefox profile is at /home/$USER/.mozilla/firefox/xxxxx.default

Make a tarball and copy it and extract it in destination.

In the profile folder, look for compatibility.ini, go to a random profile in the dest machine and copy the compatibility.ini settings to the one that is copied over. This ensure compatibility so that the new profile works without warning.

Check the profile.ini with the name and the location of the new profile folder, firefox should be the same as before.

[Profile0]
Name=karis
IsRelative=1
Path=ims58kbd.default-esr-1

Themes

To backup/restore settings of cinnamon

Icons

The icons are located at these locations.

/usr/share/icons
~/.icons

Scripts

Copy the scripts and put it into ~/script for organization and copy the old crontab for executing these scripts.

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