• openSUSE ¹⁾
• Tumbleweed ²⁾
• Server

• http://download.opensuse.org/tumbleweed/iso/

• Downloads the latest DVD (with SHA256 compare) and Xfce Live images with aria2c

cd ~/'Downloads' && aria2c 'https://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-DVD-x86_64-Current.iso.sha256' && aria2c 'http://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-DVD-x86_64-Current.iso' && aria2c 'https://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-XFCE-Live-x86_64-Current.iso' && sha256sum ~/'Downloads/openSUSE-Tumbleweed-DVD-x86_64-'*'-Media.iso' && cat ~/'Downloads/openSUSE-Tumbleweed-DVD-x86_64-'*'-Media.iso.sha256' && sync

• ISO and SHA256 hash

http://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-DVD-x86_64-Current.iso

https://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-DVD-x86_64-Current.iso.sha256

• For LiveUSB

https://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-XFCE-Live-x86_64-Current.iso

1. ext4
2. No separate /home
3. Separate swap with suspend resize

• http://download.opensuse.org/tumbleweed/repo/

sudo zypper modifyrepo --disable --medium-type 'hd'

sudo zypper clean --all && sudo zypper refresh --force --services && sudo zypper dist-upgrade --details --allow-downgrade --allow-name-change --allow-arch-change --allow-vendor-change && sync

• Installs nano
• Sets VISUAL and EDITOR to nano via environment variable
• Sets nowrap for current user

sudo zypper install 'nano' && export 'VISUAL=nano' && export 'EDITOR=nano' && echo -e 'export VISUAL=nano\nexport EDITOR=nano' | sudo tee '/etc/profile.d/editor-nano.sh' > '/dev/null' && cat '/etc/profile.d/editor-nano.sh' && mkdir -p ~/'.config/nano' && echo 'set nowrap' | tee ~/'.config/nano/nanorc' > '/dev/null' && cat ~/'.config/nano/nanorc'

sudo zypper install aria2 binutils chrony htop 7zip sensors unar 

ucode-amd

ucode-intel

• This tells systemd to ignore Lid close events and prevents system suspend

sudo mkdir -p '/etc/systemd/logind.conf.d' && echo -e "[Login]\nHandleLidSwitch=ignore" | sudo tee '/etc/systemd/logind.conf.d/99-laptop-server.conf' > '/dev/null'

sudo -e '/etc/systemd/logind.conf.d/99-laptop-server.conf'

• https://www.dell.com/support/kbdoc/en-us/000177768/guide-to-dell-power-manager

sudo zypper install -y 'python3-smbios-utils' && sudo smbios-thermal-ctl --set-thermal-mode='performance' && sudo zypper remove --clean-deps -y 'python3-smbios-utils'

• More Kernel Parameters

sudo yast2 'bootloader'

• Last updated: 2024/05/10

preempt='none' nohz='off' pci='pcie_bus_perf,realloc,pcie_scan_all,big_root_window' pcie_aspm='off' modprobe.blacklist='sp5100_tco' nowatchdog

nmcli con show

sudo nmcli connection modify 'enp2s0' 'ipv4.dns' '9.9.9.9,149.112.112.112,1.1.1.2'

sudo nmcli connection modify 'enp2s0' 'ipv6.dns' '2620:fe::fe,2620:fe::9,2606:4700:4700::1112'

sudo nmcli connection modify 'enp2s0' 'ipv4.address' '192.168.1.152/24'

sudo nmcli connection modify 'enp2s0' 'ipv4.gateway' '192.168.1.1'

sudo nmcli connection modify 'enp2s0' 'ipv4.method' 'manual'

sudo nmcli connection up 'enp2s0'

sudo sensors-detect --auto

sudo -e '/etc/sysconfig/lm_sensors'

• See Client - Generate SSH Keys notes to generate/restore public key

• Add discard after defaults for the swap mountpoint ³⁾
• According to the swapon man page, setting this in fstab is acceptable

sudo -e '/etc/fstab'

,discard=once

sudo systemctl enable 'fstrim.timer' --now && sudo systemctl start 'fstrim' && sync && sudo systemctl status 'fstrim' -l

• 2024/05/06: On GNOME, even though chrony does NTP sync, it doesn't seem to write it to the hardware clock which is usually wrong after a CMOS reset ⁴⁾; it's not known if this affects Server
• This sets the hardware clock to the current system/OS clock
• TODO: Figure out chrony command to do NTP sync

sudo hwclock --systohc

sudo -e '/etc/systemd/system/suse-up.service'

[Service]
Type=oneshot
ExecStartPre='/usr/bin/zypper' clean --all
ExecStart='/usr/bin/zypper' --non-interactive refresh --force --services
ExecStart='/usr/bin/zypper' --non-interactive dist-upgrade --auto-agree-with-licenses --allow-downgrade --allow-name-change --allow-arch-change --allow-vendor-change
ExecStartPost='/usr/bin/sync'
ExecStartPost='/usr/bin/systemctl' reboot

• 06:00 Oak
• 06:10 Alira

sudo -e '/etc/systemd/system/suse-up.timer' && sudo systemctl daemon-reload && sudo systemctl enable 'suse-up.timer' --now

[Unit]
Description=Software Package Maintenance and Updater
After=network-online.target
Wants=network-online.target

[Timer]
OnCalendar=*-*-* 06:00:00
Persistent=true

[Install]
WantedBy=timers.target

• See misc_linux