This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
tech:linux:ubuntu:start [2022/03/05 21:07] rk4n3 |
tech:linux:ubuntu:start [2023/04/21 10:11] (current) rk4n3 |
||
---|---|---|---|
Line 26: | Line 26: | ||
* For wifi: wpasupplicant | * For wifi: wpasupplicant | ||
* For audio: jack2 pulseaudio pulseaudio-module-jack qjackctl | * For audio: jack2 pulseaudio pulseaudio-module-jack qjackctl | ||
- | * For X: xorg xinit xauth x11-xserver-utils xterm notion fvwm stalonetray | + | * For X: xorg xinit xauth x11-xserver-utils xterm notion fvwm stalonetray xscreensaver xscreensaver-gl-extra xscreensaver-data-extra |
* tigervnc-viewer | * tigervnc-viewer | ||
- | * Networking ''/etc/cloud/cloud.cfg.d/50-curtin-networking.cfg'' & ''/etc/netplan/50-cloud-init.yaml'': \\ //(Note: ''wifis'' section optional)//<code yaml>network: | + | * Networking ''/etc/netplan/whateveryourfilenameis.yaml'': \\ //(Note: ''wifis'' section optional)//<code yaml>network: |
version: 2 | version: 2 | ||
renderer: networkd | renderer: networkd | ||
Line 51: | Line 51: | ||
==== Bridged Networking ==== | ==== Bridged Networking ==== | ||
* Packages: ''bridge-utils'' | * Packages: ''bridge-utils'' | ||
- | * In ''/etc/cloud/cloud.cfg.d/50-curtin-networking.cfg'' & ''/etc/netplan/50-cloud-init.yaml'':<code yaml> bridges: | + | * Populate ''/etc/sysctl.d/20-bridge.conf'' with:<code>net.bridge.bridge-nf-call-ip6tables=0 |
+ | net.bridge.bridge-nf-call-iptables=0 | ||
+ | net.bridge.bridge-nf-call-arptables=0</code> | ||
+ | * Populate ''/etc/udev/rules.d/99-bridge.rules'' with:<code>ACTION=="add",SUBSYSTEM=="module",KERNEL=="br_netfilter",RUN+="/sbin/sysctl -p /etc/sysctl.d/20-bridge.conf"</code> | ||
+ | * In ''/etc/netplan/whateveryourfilenameis.yaml'':<code yaml>network: | ||
+ | version: 2 | ||
+ | renderer: networkd | ||
+ | ethernets: | ||
+ | enp4s0: | ||
+ | dhcp4: false | ||
+ | dhcp6: false | ||
+ | bridges: | ||
br0: | br0: | ||
- | macaddress: DE:AD:BE:EF:00:16 | + | macaddress: DE:AD:BE:EF:10:01 |
- | interfaces: [enp24s0] | + | interfaces: [enp4s0] |
dhcp4: true | dhcp4: true | ||
parameters: | parameters: | ||
Line 123: | Line 134: | ||
* Create filesystem directly on the physical device | * Create filesystem directly on the physical device | ||
* Add entry to ''/etc/fstab'' to mount the filesystem at desired location | * Add entry to ''/etc/fstab'' to mount the filesystem at desired location | ||
- | * Sample VM start-up script: <code bash> | + | * Sample VM start-up script: [[:tech:virt:start|startvm]] |
- | #!/bin/bash | + | |
- | VMN=yourvmname | + | |
- | VNC="12" | + | |
- | MAC0="DE:AD:BE:EF:00:12" | + | |
- | + | ||
- | VMH=/var/lib/kvm | + | |
- | CPUT=EPYC | + | |
- | CPUS=4 | + | |
- | VMM=8G | + | |
- | VGA="-vga virtio -display gtk" | + | |
- | # Headless ... | + | |
- | #VGA="-vnc localhost:${VNC} -daemonize" | + | |
- | + | ||
- | VGN="yourvgname" | + | |
- | SIM= | + | |
- | HD0= | + | |
- | HD1= | + | |
- | HD2= | + | |
- | NIC0= | + | |
- | NIC1= | + | |
- | TPM= | + | |
- | SND= | + | |
- | + | ||
- | # Boot device - d=cdrom, c=disk | + | |
- | BOOT="-boot c" | + | |
- | + | ||
- | function initTPM { | + | |
- | TPD=$(ps -ef | grep swtpm | grep -v grep) | + | |
- | if [ "${TPM}" != "" -a "${TPD}" == "" ]; then | + | |
- | swtpm socket -d --tpmstate dir=/var/lib/kvm/${VMN}/tpm --ctrl type=unixio,path=/var/lib/kvm/${VMN}/tpm/sock --log file=tpm.log,level=20 --tpm2 | + | |
- | else echo "NFO=>>> software TPM daemon detected, skipping its startup" ; fi | + | |
- | } | + | |
- | + | ||
- | function vmOptionsWin11 { | + | |
- | CPUT=EPYC,kvm_pv_eoi=on | + | |
- | # SIM="-cdrom ${VMH}/iso/Win11_English_x64v1.iso" | + | |
- | # SIM="-cdrom ${VMH}/iso/virtio-win-0.1.208.iso" | + | |
- | HD0="-hda vda" | + | |
- | HD1="-drive file=/dev/${VGN}/dwin,index=1,media=disk,format=raw" | + | |
- | # NIC0="-netdev bridge,id=${VMN}eth0,br=br0 -device e1000,netdev=${VMN}eth0,mac=${MAC0}" | + | |
- | NIC0="-netdev bridge,id=${VMN}eth0,br=br0 -device virtio-net-pci,netdev=${VMN}eth0,mac=${MAC0}" | + | |
- | TPM="-bios /usr/share/ovmf/OVMF.fd -chardev socket,id=chrtpm,path=/var/lib/kvm/${VMN}/tpm/sock -tpmdev emulator,id=tpm0,chardev=chrtpm -device tpm-tis,tpmdev=tpm0" | + | |
- | initTPM | + | |
- | } | + | |
- | + | ||
- | function vmOptionsLinux { | + | |
- | # SIM="-cdrom ${VMH}/iso/ubuntu-20.04.3-live-server-amd64.iso" | + | |
- | HD0="-drive file=vda,if=virtio" | + | |
- | HD1="-drive file=vdb,if=virtio" | + | |
- | HD2="-drive file=/dev/${VGN}/${VMN}home,if=virtio,index=2,media=disk,format=raw" | + | |
- | NIC0="-netdev bridge,id=${VMN}eth0,br=br0 -device virtio-net-pci,netdev=${VMN}eth0,mac=${MAC0}" | + | |
- | } | + | |
- | + | ||
- | function vmOptions { | + | |
- | vmOptionsLinux | + | |
- | # vmOptionsWin11 | + | |
- | } | + | |
- | + | ||
- | cd ${VMH}/${VMN} | + | |
- | vmOptions | + | |
- | qemu-system-x86_64 -machine pc,accel=kvm -name "${VMN}" -cpu ${CPUT} -smp ${CPUS} -m ${VMM} ${BOOT} ${VGA} ${NIC0} ${NIC1} ${HD0} ${HD1} ${HD2} ${SIM} ${TPM} ${SND} | + | |
- | </code> | + | |
==== Advanced/Other Virtualization ==== | ==== Advanced/Other Virtualization ==== | ||
Line 224: | Line 173: | ||
* vim-gtk | * vim-gtk | ||
* openssh-server | * openssh-server | ||
- | * ksh | ||
* htop | * htop | ||
* git | * git | ||
Line 249: | Line 197: | ||
==== Disable PulseAudio auto-spawn ==== | ==== Disable PulseAudio auto-spawn ==== | ||
- | If you want to run Jack for low-latency high-performance audio, you'll need to make sure that Jack can grab your audio interface directly, which means you won't want PulseAudio to grab it on startup. Disabling PulseAudio auto-spawn is most likely necessary, so you can start it manually after Jack is running: | + | If you want to run Jack for low-latency high-performance audio, you'll need to make sure that Jack can |
+ | grab your audio interface directly, which means you won't want PulseAudio to grab it on startup. | ||
+ | Disabling PulseAudio auto-spawn is most likely necessary, so you can start it manually after Jack is running: | ||
+ | * Stop already-running (auto-spawned) instance(s):<code>systemctl --user stop pulseaudio.socket | ||
+ | systemctl --user stop pulseaudio.service | ||
+ | sudo systemctl stop pulseaudio | ||
+ | sudo systemctl disable pulseaudio</code> | ||
* Change in ''/etc/pulse/client.conf'': <code>autospawn = no | * Change in ''/etc/pulse/client.conf'': <code>autospawn = no | ||
daemon-binary = /bin/true | daemon-binary = /bin/true | ||
</code> | </code> | ||
+ | * Change in ''/etc/pulse/daemon.conf'': <code>daemonize = no</code> | ||
* Rename startup file: <code bash>mv /etc/rc2.d/S50pulseaudio /etc/rc2.d/K50pulseaudio</code> | * Rename startup file: <code bash>mv /etc/rc2.d/S50pulseaudio /etc/rc2.d/K50pulseaudio</code> | ||
+ | * Completely disable any depedency service spawning: <code>sudo systemctl mask pulseaudio</code> | ||
==== Route PulseAudio through Jack ==== | ==== Route PulseAudio through Jack ==== | ||
Line 446: | Line 402: | ||
====== Some Hardware Trivia ====== | ====== Some Hardware Trivia ====== | ||
+ | |||
+ | ==== Mouse lag on Raspberry Pi 4b ==== | ||
+ | In ''/boot/firmware/cmdline.txt'', add to end of line: | ||
+ | <code>usbhid.mousepoll=8</code> | ||
==== ACEPC W5 Pro: wifi ==== | ==== ACEPC W5 Pro: wifi ==== |