https://wiki.csgalileo.org/ 2026-04-16T15:07:23+00:00 https://wiki.csgalileo.org/ https://wiki.csgalileo.org/_media/wiki/logo.png text/html 2019-11-19T18:12:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/lxd?rev=1574187132&do=diff LXD lxd install apt remove lxd lxd-client snap install lxd # create zfs dataset on pool rpool zfs create rpool/lxd # create lxd storage called zfspool using previous defined dataset lxc storage create zfspool zfs source=rpool/lxd # define default storage pool lxc profile device add default root disk path=/ pool=zfspool # initialize network sudo lxd init text/html 2017-01-20T13:01:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/tmux?rev=1484917314&do=diff tmux tmux keyboard * ctrl+a c: create * ctrl+a n: move next * ctrl+a o: move previous * ctrl+a w: list windows * ctrl+a d: detach * ctrl+a PGUP: scroll mode sessions list tmux ls attach tmux a [-t name] kill detached tmux kill-server text/html 2022-07-14T15:08:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/jibri?rev=1657811304&do=diff jibri docker jibri.yml inside ufficial docker-jitsi-meet does not work in swarm service (/dev/snd and xorg problems) clone a version of jibri with pulse and xdummy support git clone https://github.com/prayagsingh/docker-jibri-pulseaudio.git change Dockerfile with specific chrome version text/html 2018-08-21T05:01:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ubuntu/18.04?rev=1534827707&do=diff 18.04 bionic ZFS (guest) From running ZFS ubuntu on guest install newer system in new ZFS fs sudo su DISTRO=bionic apt install -y debootstrap zfs create -o canmount=noauto -o mountpoint=/$DISTRO rpool/ROOT/$DISTRO zfs mount rpool/ROOT/$DISTRO mount -o remount,dev /$DISTRO debootstrap $DISTRO /$DISTRO mount --rbind /dev /$DISTRO/dev mount --rbind /proc /$DISTRO/proc mount --rbind /sys /$DISTRO/sys chroot /$DISTRO /bin/bash --login text/html 2017-08-05T16:35:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ubuntu/xenial?rev=1501950910&do=diff Xenial bootable USB Create usb bootable from iso cp xenial.iso xenial-copy.iso isohybrid xenial-copy.iso dd if=xenial-copy.iso of=/dev/sd? ssh See <https://www.gentoo.org/support/news-items/2015-08-13-openssh-weak-keys.html> Re-enable ssh-dss key in /etc/ssh/sshd_config PubkeyAcceptedKeyTypes=+ssh-dss ~/.ssh/config text/html 2023-11-16T10:42:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/gstreamer?rev=1700131373&do=diff gstream jetson orin native URL=rtsp://192.168.1.1:7447/IFnqNlmdfTQxDOWV #URL=rtsp://192.168.2.35:7447/60e1a6425a20203019f719aa_1 gst-launch-1.0 rtspsrc location=$URL protocols=tcp latency=0 ! rtph264depay ! queue ! h264parse ! nvv4l2decoder ! nvvideoconvert ! autovideosink text/html 2019-03-13T08:55:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/db/postgres?rev=1552467336&do=diff Postgres Install container xenial 16.04 (optional) lxc image copy images:ubuntu/xenial/amd64 local: --alias xenial lxc launch xenial postgres lxc exec postgres bash sudo apt install postgresql eventually open network for remote connections listen_addresses = '*' text/html 2018-06-14T15:54:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/vpn/openvpn?rev=1528991643&do=diff Openvpn Certification Autorithy Create certificate folder apt-get install easy-rsa make-cadir /etc/easy-rsa-legnago cd /etc/easy-rsa-legnago Edit vars and source vars ./clean-all ./build-dh ./pkitool --initca server certificate NAME=legnago-gw ./pkitool --pass --server $NAME # create passphrase here openssl rsa -in keys/$NAME.key -out keys/$NAME.pem # give passphrase here chmod 600 keys/$NAME.pem text/html 2016-07-27T18:00:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/dac?rev=1469642430&do=diff DAC * interesting aplay -v -D plughw:1,0 test192.wav aplay -l [-L] flac -d 01-Wednesday\ Night\ Prayer\ Meeting.flac -c | aplay --device=hw:1,0 cat /proc/asound/card1/pcm0p/sub0/* pacmd list-sinks pactl list short sinks for card in `aplay -L | grep "CARD=DAC"`; do echo ./hw_params $card; ./hw_params $card | grep Sample; sleep 1; done text/html 2024-07-19T05:36:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/k80?rev=1721367387&do=diff K80 pacman -S nvidia-470xx-dkms nvidia-470xx-settings nvidia-470xx-util pacman -U https://archive.archlinux.org/packages/c/cuda/cuda-11.4.2-1-x86_64.pkg.tar.zst nvidia-smi +-----------------------------------------------------------------------------+ | NVIDIA-SMI 470.256.02 Driver Version: 470.256.02 CUDA Version: 11.4 | |-------------------------------+----------------------+----------------------+ | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC | |… text/html 2020-07-30T14:11:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/juju?rev=1596118316&do=diff JUJU manual cloud juju bootstrap testcloud manual/10.0.1.21 --upload-tools \ --config default-series=xenial \ --config apt-http-proxy="http://10.0.1.1:8000" \ --config agent-stream=devel # Controllare con juju model-config default-series # ed eventualmente correggere con juju model-config default-series=xenial text/html 2019-12-17T14:48:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/keras?rev=1576594129&do=diff Keras tensorflow * yay bazelisk pip install -U pip six numpy wheel setuptools mock pip install -U keras_applications --no-deps pip install -U keras_preprocessing --no-deps # tf 2 git clone https://github.com/tensorflow/tensorflow.git cd tensorflow # tf 1.15 wget https://github.com/tensorflow/tensorflow/archive/v1.15.0.tar.gz tar zxvf v1.15.0.tar.gz text/html 2025-05-25T08:22:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/tridactyl?rev=1748161371&do=diff Tridactyl Tridactyl Cheat Sheet Tridactyl is a Firefox WebExtension that brings Vim-like keybindings and commands to your browser, allowing for highly efficient keyboard-only navigation. Here's a cheat sheet covering some of the most common and useful commands: text/html 2018-06-13T07:06:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/opencv/install?rev=1528873609&do=diff opencv install android studio integrate opencv in android studio project linux prereq: ubuntu 16:04 or 18:04 sudo apt-get install -y build-essential cmake # GUI (if you want to use GTK instead of Qt, replace 'qt5-default' with 'libgtkglext1-dev' and remove '-DWITH_QT=ON' option in CMake): sudo apt-get install -y libvtk6-dev libgtkglext1-dev # GUI qt # sudo apt install -y qt5-default # Media I/O: sudo apt-get install -y zlib1g-dev libjpeg-dev libwebp-dev libpng-dev libtiff5-dev libjasper… text/html 2018-03-03T08:28:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ubuntu/17.10?rev=1520065690&do=diff 17.10 artful ZFS (guest) From running ZFS ubuntu on guest install newer system in new ZFS fs sudo su DISTRO=artful apt install -y debootstrap zfs create -o canmount=noauto -o mountpoint=/$DISTRO rpool/ROOT/$DISTRO zfs mount rpool/ROOT/$DISTRO mount -o remount,dev /$DISTRO debootstrap $DISTRO /$DISTRO mount --rbind /dev /$DISTRO/dev mount --rbind /proc /$DISTRO/proc mount --rbind /sys /$DISTRO/sys chroot /$DISTRO /bin/bash --login text/html 2016-07-12T07:26:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/vpn/smtp?rev=1468308370&do=diff SMTP apt-get install msmtp-mta apt-get install mailutils apt-get install msmtp ca-certificates /etc/mstmprc defaults tls on tls_starttls on tls_trust_file /etc/ssl/certs/ca-certificates.crt account default host smtp.gmail.com port 587 auth on user myguiandroid@gmail.com password xyz from myguiandroid@gmail.com logfile /var/log/msmtp.log text/html 2017-02-11T10:48:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/mopidy?rev=1486810126&do=diff Mopidy Install prereq sudo apt install -y gstreamer1.0-plugins-bad sudo apt install -y libasound2-dev apt wget -q -O - https://apt.mopidy.com/mopidy.gpg | sudo apt-key add - sudo wget -q -O /etc/apt/sources.list.d/mopidy.list https://apt.mopidy.com/jessie.list sudo apt-get update sudo apt-get install mopidy sudo apt-get install mopidy-spotify sudo apt install mopidy-alsamixer sudo pip install Mopidy-WebSettings sudo apt install mopidy-local-sqlite sudo pip install Mopidy-TuneIn sudo sy… text/html 2020-12-05T15:23:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/otp?rev=1607181788&do=diff oath PREREQUISITO: INSTALLARE liboath0 libpam-oath oathtool 1) $ export HEX_SECRET=$(head -15 /dev/urandom | sha1sum | cut -b 1-30) 2) $ oathtool --verbose --totp $HEX_SECRET --digits=8 Risultato -> Hex secret: b5abe8im355c1127sd385a6dd0597x Base32 secret: YWV2RLGFVQUSPLMZTJW5QQQ8 Digits: 8 Window size: 0 Step size (seconds): 30 Start time: 1970-01-01 00:00:00 UTC (0) Current time: 2020-07-26 15:03:57 UTC (1595775837) Counter: 0x32BA74F (53192527) text/html 2019-09-23T13:44:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/pulsar?rev=1569246272&do=diff Pulsar wget https://archive.apache.org/dist/pulsar/pulsar-2.4.1/apache-pulsar-2.4.1-bin.tar.gz tar xvfz apache-pulsar-2.4.1-bin.tar.gz cd apache-pulsar-2.4.1 # connectors # storage wget https://archive.apache.org/dist/pulsar/pulsar-2.4.1/apache-pulsar-offloaders-2.4.1-bin.tar.gz tar xvfz apache-pulsar-offloaders-2.4.1-bin.tar.gz mv apache-pulsar-offloaders-2.4.1/offloaders offloaders text/html 2022-10-03T10:23:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/archlinux/install?rev=1664792590&do=diff Install from archlinux iso install on archiso zfs system from <https://github.com/eoli3n/archiso-zfs> curl -s https://raw.githubusercontent.com/eoli3n/archiso-zfs/master/init | bash ext4 create partition DISK=ata-SSDPR-CX400-256-G2_GY3042305 sgdisk --clear -g $DISK sgdisk -n3:1M:+512M -t3:EF00 $DISK # boot partition or efi partition parted $DISK set 3 bios_grub on sgdisk -n1:0:0 -t1:8300 $DISK text/html 2017-08-19T07:53:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/gameengine/minecraft?rev=1503129231&do=diff Minecraft Experiments * <http://www.raspberrypi-spy.co.uk/2014/06/building-a-castle-in-minecraft-with-python/> connection from mcpi.minecraft import Minecraft from mcpi import block mc = Minecraft.create(address="192.168.2.35") say “Hello World” mc.postToChat("Hello world") get position x, y, z = mc.player.getPos() text/html 2024-10-14T05:05:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/hw/hp?rev=1728882301&do=diff Install Ubuntu 21.04 to maintain Windows installed: 1. disable BitLocker (Impostazioni->Aggiornamenti Sicurezza->Crittografia->Disabilità) 2. disable Secure Boot (from BIOS) 3. re-order the booting devices (from BIOS) 3. use a USB to boot the ubuntu 21.04 text/html 2017-05-16T14:27:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/audio?rev=1494944879&do=diff Audio pulse headless sudo apt install pulseaudio pulseaudio-module-zeroconf gstreamer1.0-plugins-base-apps gstreamer1.0-pulseaudio # systemd service spec for pulseaudio running in system mode -- not recommended though! # on arch, put it under /etc/systemd/system/pulseaudio.service # start with: systemctl start pulseaudio.service # enable on boot: systemctl enable pulseaudio.service [Unit] Description=Pulseaudio sound server After=avahi-daemon.service network.target [Service] ExecStart=/… text/html 2019-03-13T08:30:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/git?rev=1552465805&do=diff GIT credentials and config machine git.csgalileo.org login blabla password blabla [user] name = Stefano Scipioni email = blabla [core] autocrlf = input #safecrlf = true editor = vim [http] sslverify = false [alias] co = checkout ci = commit st = status br = branch hist = log --pretty=format:\"%h %ad | %s%d [%an]\" --graph --date=short type = cat-file -t dump = cat-file -p [push] default = simple [color] ui = auto text/html 2022-08-25T21:03:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/gnss?rev=1661461389&do=diff GNSS * wonderful introduction on GNSS * stations that broadcast real time RTCM (protocol) Radio Technical Commission for Maritime * ubxtool examples * NEO-M9N * ZED-F9P 2022 Use gpsd as ntrip client on ublox device pygnssutils Configure ublox as base station and run an rtrip server with PyGPSClient 2020 ntrip caster * <https://gitlab.com/ihfazhillah/simple-ntrip-caster/-/tree/master> * <https://gitlab.com/hydrasystem/ntripcaster.git> text/html 2022-11-04T07:13:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/gpu?rev=1667546016&do=diff GPU nvidia and wayland add nvidia_drm.modeset=1 to grub settings /etc/default/grub /etc/modprobe.d/nvidia-power-management.conf options nvidia NVreg_PreserveVideoMemoryAllocations=1 NVreg_TemporaryFilePath=/var/tmp enable these services systemctl enable nvidia-hibernate systemctl enable nvidia-resume systemctl enable nvidia-suspend text/html 2021-09-28T12:42:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/minikube?rev=1632832933&do=diff MiniKube Install Minikube on ubuntu <https://minikube.sigs.k8s.io/docs/start/> Install minikube curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 sudo install minikube-linux-amd64 /usr/local/bin/minikube Install Kubectl curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl text/html 2022-08-04T15:06:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/taskfile?rev=1659625565&do=diff Taskfile Custom taskfile curl -sL "http://wiki.csgalileo.org/tips:taskfile?do=export_code&codeblock=1" | /bin/bash curl -sL "http://wiki.csgalileo.org/tips:taskfile?do=export_code&codeblock=2" > task chmod +x task echo "new ./task file created" text/html 2020-03-27T17:21:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/uwb?rev=1585329697&do=diff UWB 802.15.4a * ETSI regulation * regulation * uwbleader tag magnetico tag veicolo * kinexon * esempio HW * pozyx * uwbaide * filippetti text/html 2023-01-18T10:22:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/zfs?rev=1674037344&do=diff zfs libvirt ZFS apt install zfsutils-linux sudo zfs list create filesystem 'lab' on 'LXD' pool sudo zfs create LXD/lab sudo zfs set mountpoint=/lab LXD/lab sudo zfs destroy LXD/lab create pool Pool can be created on disk or partition. In case of partition this is an example text/html 2023-02-27T07:29:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/archlinux/postinstall?rev=1677482983&do=diff Arch postinstall Pamac help you to install, remove, update packages with GUI yay pamac-aur Base sudo pacman -S intel-ucode sudo su grep -q menu-complete /etc/inputrc if [ $? = 1 ]; then cat >> /etc/inputrc <<EOF "\M-s": menu-complete "\e[A": history-search-backward "\e[B": history-search-forward "\M-o": "\C-p\C-a\M-f " EOF fi text/html 2015-02-21T09:40:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/radxa/gpio?rev=1424511653&do=diff GPIO on Radxa * Headers schema * Android APP that read GPIO Power on blue led echo default-on > /sys/class/leds/blue/trigger Power off echo none > /sys/class/leds/blue/trigger Header J8 1234567 OUT89 IN101112namenpinheader0A7|167|7|J8| |0B11699J8PWM228511J8 Input on pin 169 (GPIO0_B1) (pin n°9 su J8) text/html 2018-03-09T09:57:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ubuntu/zfs-on-root?rev=1520589446&do=diff Ubuntu on ZFS root zfs ubuntu * <https://github.com/zfsonlinux/zfs/wiki/Ubuntu-16.10-Root-on-ZFS> Livecd boot live cd and sudo su passwd ubuntu apt-add-repository universe apt update apt install openssh-server # connect from another PC via ssh apt install --yes debootstrap gdisk zfs-initramfs Disk Reset disk and create GPT partition schema text/html 2024-07-19T08:21:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/vpn/galileo?rev=1721377304&do=diff VPN Galileo VPN PPTP/L2TP: * indirizzo server concentratore: vpn1.csgalileo.org * username e password yay -S networkmanager-l2tp networkmanager-strongswan aggiungere vpn L2TP pptp manual [connection] id=galileo uuid=97852b85-b57b-4b38-9687-d919f2820e57 type=vpn autoconnect=false permissions=user:scipio:; timestamp=1623922800 [vpn] gateway=94.230.76.2 mru=1400 mtu=1400 password-flags=0 user=xxx user-auth-type=password service-type=org.freedesktop.NetworkManager.l2tp [vpn-secr… text/html 2015-06-03T07:54:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/vpn/juniper?rev=1433318076&do=diff Su sistemi Ubuntu-like a 64 bit Installazione librerie necessarie sudo apt-get install openjdk-7-jre:i386 ia32-libs libc6:i386 zlib1g:i386 libgtk2-perl libwww-perl icedtea-7-plugin Download dello script di mad-scientist (fonte: http:mad-scientist.us/juniper.html)