インストール後の各種日本語化パッケージ

sudo apt-get install language-pack-ja
sudo apt-get install fcitx5-mozc
sudo apt-get install manpages-ja manpages-ja-dev
sudo apt-get install language-pack-gnome-ja language-pack-gnome-ja-base
sudo apt-get install libreoffice-l10n-ja libreoffice-help-ja
sudo apt-get install gufw
sudo apt-get dist-upgrade

clamav関連

sudo apt-get install clamav clamav-daemon clamtk
sudo systemctl status clamav-daemon
sudo systemctl enable clamav-freshclam
sudo systemctl enable clamav-daemon
sudo systemctl restart clamav-freshclam
sudo systemctl restart clamav-daemon

zram関連

sudo apt-get install linux-image-extra-virtual systemd-zram-generator

/etc/systemd/zram-generator.conf

[zram0]
host-memory-limit = none
zram-fraction = 0.5
compression-algorithm = zstd

sudo systemctl daemon-reload
sudo systemctl start systemd-zram-setup@zram0.service

sudo nano /etc/sysctl.conf
vm.swappiness = 200

sudo sysctl -p
zramctl
swapon –show
free -m

ramdisk関連

sudo nano /etc/fstab

tmpfs /tmp tmpfs defaults,size=512m,noatime 0 0
tmpfs /var/tmp tmpfs defaults,size=512m,noatime 0 0
tmpfs /var/log tmpfs defaults,size=128m,noatime 0 0
tmpfs /run tmpfs defaults,size=256m,noatime 0 0

sudo nano /etc/sysctl.conf

vm.swappiness = 0

sudo sysctl -p

ext4ジャーナル関連

sudo nano /etc/systemd/journald.conf

Storage=none

sudo systemctl restart systemd-journald

ログインアイコン＆背景バックアップ

sudo cp /usr/share/sddm/faces/root.face.icon /usr/share/sddm/faces/root.face.icon.bak
sudo cp /usr/share/sddm/faces/.face.icon /usr/share/sddm/faces/.face.icon.bak
sudo cp /usr/share/sddm/themes/lubuntu/wall.png /usr/share/sddm/themes/lubuntu/wall.png.bak