• openSUSE
• Tumbleweed
• Server

• Alira = Dell Precision M6500 ¹⁾

• 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

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

openSUSE-Tumbleweed-DVD-x86_64-Snapshot20260512-Media.iso

1. ext2 /
2. No separate /home
3. Separate swap without suspend resize

NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
sda      8:0    0 465.8G  0 disk 
├─sda1   8:1    0     8M  0 part 
├─sda2   8:2    0 463.8G  0 part /
└─sda3   8:3    0     2G  0 part [SWAP]

• GRUB2

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 fastfetch htop 7zip sensors unar 

clear && fastfetch -l 'small' && uname -a && date

ssh '192.168.1.152' -t 'clear && fastfetch -l 'small' && uname -a && date'

ucode-intel

timedatectl set-timezone 'America/New_York' && sudo timedatectl 'set-ntp' 'true' && sudo hwclock --systohc && timedatectl status

• 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'

• More DNS Servers

nmcli con show

sudo nmcli connection modify 'Wired connection 1' 'ipv4.dns' '192.168.1.1,9.9.9.9,149.112.112.112'

sudo nmcli connection modify 'Wired connection 1' 'ipv6.dns' '2620:fe::fe,2620:fe::9'

sudo nmcli connection modify 'Wired connection 1' 'ipv4.address' '192.168.1.152/24'

sudo nmcli connection modify 'Wired connection 1' 'ipv4.gateway' '192.168.1.1'

sudo nmcli connection modify 'Wired connection 1' 'ipv4.method' 'manual'

sudo nmcli connection up 'Wired connection 1'

• Notes

sudo firewall-cmd --get-active-zones

sudo firewall-cmd --permanent --zone='docker' --remove-interface='docker0'

sudo systemctl restart 'firewalld'

sudo sensors-detect --auto

sudo -e '/etc/sysconfig/lm_sensors'

sudo yast2 'bootloader'

• Boot Loader: GRUB2

• [ ] Write to Partition (/dev/sda2)
• [x] Write to Master Boot Record (/dev/sda)
• [ ] Custom Boot Partition

• [x] Set active Flag in Partition Table for Boot Partition
• [ ] Write generic Boot Code to MBR

• Protective MBR flag: do not change

• Graphical console might randomly freeze before boot at some stage between BIOS → GRUB

• CPU Mitigations: Auto
• [ ] Graphical console
• [ ] Serial console

• More Kernel Parameters
• Last updated: 2026/05/02

quiet bgrt_disable security='' acpi_osi='Linux' reboot='pci' hibernate='no' idle='halt' nohz='off' preempt='full' iommu='pt' memory_corruption_check='0' init_on_alloc='0' init_on_free='0' pcie_aspm='off' drm_kms_helper.poll='0' drm_kms_helper.fbdev_emulation='0'

• Timeout in Seconds: 1
• [ ] Probe Foreign OS
• [ ] Hide Menu on Boot
• Default Boot Section: openSUSE Tumbleweed
• [ ] Protect Boot Loader with Password

sudo systemctl enable 'fstrim.timer' --now

sudo systemctl start 'fstrim' && sync && sudo systemctl status 'fstrim' -l

sudo fstrim -v -a

• From LiveUSB/unmounted

sudo e2fsck -D -E 'discard,optimize_extents,inode_count_fullmap' -f -v -y '/dev/sda2'

• Single-user mode
• (recovery mode) boot option

sudo -e '/ext2.sh' && sudo chmod +x '/ext2.sh'

#!/bin/bash

umount '/'
e2fsck -D -E 'discard,optimize_extents,inode_count_fullmap' -f -v -y '/dev/sda2'
sync
sleep '3'
'/ext4.sh'
reboot

# End

/ext2.sh

sudo -e '/ext4.sh' && sudo chmod +x '/ext4.sh'

#!/bin/bash

umount '/dev/sdb'*
e2fsck -D -E 'optimize_extents,inode_count_fullmap' -f -v -y '/dev/sdb'
sync
sleep '3'

# End

• Notes
• TODO: Maintenance service

sudo e4defrag -v '/dev/sdb'

echo "export LD_BIND_NOW='1'" | sudo tee '/etc/profile.d/general-tweaks.sh' > '/dev/null'

• Notes

sudo -e '/etc/dracut.conf.d/99-tweaks.conf'

compress="cat"
do_strip="yes"
aggressive_strip="yes"
hostonly="yes"
hostonly_mode="strict"
reproducible="no"
enhanced_cpio="no"
i18n_install_all="no"
kernel_cmdline="rd.luks=0 rd.lvm=0 rd.md=0 rd.dm=0"

# End

sudo dracut --force --regenerate-all

sudo mkdir -p '/etc/systemd/journald.conf.d' && sudo -e '/etc/systemd/journald.conf.d/99-tweaks.conf'

[Journal]
Storage=none
Compress=false
MaxLevelStore=0
MaxLevelSyslog=0
MaxLevelKMsg=0
MaxLevelConsole=0
MaxLevelWall=0

# End

sudo journalctl --vacuum-time='1s' --rotate

sudo -e '/etc/fstab'

,discard=once

• / type ext2

,noatime

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

# End

• 06:00 Alira

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

[Unit]
Description=openSUSE OS Updater
After=network-online.target
Wants=network-online.target

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

[Install]
WantedBy=timers.target

# End

sudo systemctl start 'suse-up'

• See misc