https://wiki.csgalileo.org/ 2026-05-10T15:15:38+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 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 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 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 2025-10-29T07:10:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/proxmox?rev=1761721843&do=diff Proxmox Template # Set variables for easy customization VMID=9000 VM_NAME="ubuntu-2404-template" # A descriptive name for the template itself # Create the VM with your specified hardware qm create $VMID \ --name $VM_NAME \ --memory 8192 \ --cores 2 \ --net0 virtio,bridge=vmbr0,firewall=0 \ --net1 virtio,bridge=bridgek,firewall=0 \ --ostype l26 \ --scsihw virtio-scsi-pci \ --agent enabled=1 \ --boot order='scsi0;ide2' text/html 2022-09-09T09:09:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ansible?rev=1662714565&do=diff ansible basic op ansible all --list-hosts ansible all -m ping playbook - name: helloworld hosts: nodes tasks: - name: Ping my hosts ansible.builtin.ping: - name: Print message ansible.builtin.debug: msg: Hello world text/html 2025-11-21T08:11:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ssl?rev=1763712669&do=diff SSL certificates ssl certificates letsencrypt letsencrypt certification authority is free, automated and open. letsencrypt staging get ca certificate and use with curl API_HOST=sso.csgalileo.org echo quit | openssl s_client -showcerts -servername "$API_HOST" -connect "$API_HOST":443 > cacert.pem curl --cacert cacert.pem https://sso.csgalileo.org/ . text/html 2020-09-02T13:59:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/video?rev=1599055186&do=diff Video TIPS Getting INFO avprobe <file> Convert to webm ffmpeg -i input.video -threads 4 -b:v 1M -crf 10 output.webm Repair index mencoder -idx input.video -ovc copy -oac copy -o output.video from images to video # 5 images per seconds ffmpeg -y -framerate 5 -pattern_type glob -i '*.jpg' -c:v libx264 -vf "fps=25,scale=720:trunc(ow/a/2)*2" out.mp4 text/html 2024-10-31T07:46:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ceph-on-k0s?rev=1730360804&do=diff ceph come storage backend Su ceph creare un pool per kubernetes (che ho chiamato appunto kubernetes) ubuntu@joint-mongoose:~$ helm repo add ceph-csi https://ceph.github.io/csi-charts ubuntu@joint-mongoose:~$ helm show values ceph-csi/ceph-csi-rbd > ceph-csi-helm.yaml 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 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 2019-04-15T07:04:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/fail2ban?rev=1555311845&do=diff fail2ban install apt install fail2ban filter define new filter [Definition] failregex = ^<HOST> .+ /auth/token/v2 HTTP/1.[0-9]" 401 ignoreregex = test filter fail2ban-regex /var/log/nginx/access.log /etc/fail2ban/filter.d/giano-login.conf --print-all-matched text/html 2022-04-12T06:07:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/telegram?rev=1649743653&do=diff Telegram telegram bot channel send message to channel from bot (BOTAPIKEY required): * add bot to channel as admin * send message curl https://api.telegram.org/bot[BOT_API_KEY]/sendMessage?chat_id=@[MY_CHANNEL_NAME]&text=[MY_MESSAGE_TEXT] BOT Create BOT with 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 2019-01-24T18:03:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/linux/networknamespaces?rev=1548352995&do=diff Network Namespaces setup install netns helper wget https://raw.githubusercontent.com/Lekensteyn/netns/master/netns -O /bin/netns chmod +x /bin/nets uncomment “net.ipv4.ip_forward=1” in /etc/sysctl.d/99-sysctl.conf enable NAT iptables -t nat -A POSTROUTING -o ens3 -j MASQUERADE iptables-save > /etc/firewall text/html 2017-08-07T11:54:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ionic?rev=1502106885&do=diff Ionic Prerequisites nodejs (latest) sudo apt-get install build-essential # curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash - # sudo apt install nodejs nodeenv sudo apt-get install python-pip sudo pip install nodeenv Create library text/html 2021-05-11T13:43:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/pcb?rev=1620740607&do=diff PCB with CNC * my vevor 3018 cnc * reference * fritzing * online jscut guide * online ncviewer * online drill to gcode converter * TODO online carbide3d CNC for PCB: * 22000RPM * V-Bit cutter 30 degree 0.2mm * first pass 0.04mm * second pass 0.07mm with more feed fritzing Make electronic schema with fritzing 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 2019-03-15T10:24:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/airos?rev=1552645462&do=diff AirOS SNMP snmpwalk -c lessinianet.snmp -v 1 10.210.12.249 IF-MIB::ifDescr IF-MIB::ifDescr.1 = STRING: lo IF-MIB::ifDescr.2 = STRING: eth0 IF-MIB::ifDescr.3 = STRING: eth1 IF-MIB::ifDescr.4 = STRING: wifi0 IF-MIB::ifDescr.5 = STRING: ath0 IF-MIB::ifDescr.6 = STRING: eth0.10 IF-MIB::ifDescr.7 = STRING: br0 text/html 2015-02-19T16:10:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/cordova?rev=1424362257&do=diff Cordova Install Install nodejs and npm sudo apt-get install nodejs npm Install cordova sudo npm install -g cordova cordova need node and ubuntu install nodejs sudo ln -s /usr/bin/nodejs /usr/local/bin/node install cordova-browser from git to have linux support text/html 2021-09-30T10:10:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/dns?rev=1632996628&do=diff DNS certbot integration * <https://wiki.archlinux.org/title/Certbot#Configure_BIND_for_rfc2136> generate tsig key tsig-keygen -a HMAC-SHA512 galileo-tsig-key enable rfc2136 updates on domain in /etc/bind/named.conf.local zone "nawigare.it" { ...... // this is for certbot check-names warn; update-policy { grant galileo-tsig-key name _acme-challenge.nawigare.it. txt; }; }; text/html 2024-10-31T07:36:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/helm?rev=1730360165&do=diff HELM * <https://helm.sh/docs/intro/install/> Helm è un package manager per kubernetes. L'installazione è molto rapida: ubuntu@joint-mongoose:~$ mkdir helm ubuntu@joint-mongoose:~$ cd helm ubuntu@joint-mongoose:~$ wget https://get.helm.sh/helm-v3.16.2-linux-amd64.tar.gz ubuntu@joint-mongoose:~$ tar -zxvf helm-v3.16.2-linux-amd64.tar.gz ubuntu@joint-mongoose:~$ find . -name helm ubuntu@joint-mongoose:~$ sudo cp ./linux-amd64/helm /usr/local/bin/helm ubuntu@joint-mongoose:~$ helm list NAME NAM… 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 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 2020-11-17T15:36:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/overpass?rev=1605627370&do=diff Overpass <https://overpass-turbo.eu/> select box and export all streets [out:xml][timeout:25]; ( way["highway"]({{bbox}}); ); out body; >; out skel qt; selezionare direttamente l'area parcheggi di fes [out:xml][timeout:25]; (way["highway"](34.02389, -5.01483, 34.04701, -4.99196);); out body; >; out skel qt; 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 2017-10-15T18:32:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/atom?rev=1508092341&do=diff Atom IDE download and install update /usr/local/bin/atom-update #!/bin/bash wget -q https://github.com/atom/atom/releases/latest -O /tmp/latest MATCHEDROW=$(awk -F '[<>]' '/href=".*atom-amd64.deb/' /tmp/latest) LATEST=$(echo $MATCHEDROW | grep -o -P '(?<=href=").*(?=" rel)') VER_LATEST=$(echo $MATCHEDROW | rev | cut -d"/" -f 2 | rev | sed 's/v//g') VER_INST=$(dpkg -l atom | tail -n1 | tr -s ' ' | cut -d" " -f 3) if [ "$VER_LATEST" != "$VER_INST" ]; then wget --progress=bar -q "https:… 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 2024-11-06T09:24:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/k0s?rev=1730885046&do=diff install ubuntu@k0s-ctrl:~$ curl --proto '=https' --tlsv1.2 -sSf https://get.k0s.sh | sudo sh ubuntu@k0s-ctrl:~$ k0s version v1.31.1+k0s.1 Crea il servizio systemd: ubuntu@k0s-ctrl:~$ sudo k0s install Bootstrap controller Bootstrap del nodo controller (non single mode) text/html 2026-03-06T09:26:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/openspec?rev=1772789179&do=diff OpenSpec <https://dev.to/webdeveloperhyper/how-to-make-ai-follow-your-instructions-more-for-free-openspec-2c85> install yay -S openspec <!-- OPENSPEC:START --> ### Workflow: OpenSpec Refine Change Proposal This workflow is designed to update the detailed specifications (spec deltas) and the implementation task list (tasks.md) within an existing OpenSpec change folder after the main proposal.md has been modified. **Input:** - A valid OpenSpec change ID (e.g., 'add-user-profiles'). **Ste… 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 2018-09-07T16:57:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/windows10?rev=1536339465&do=diff Remove all windows 10 apps for future users Get-AppxProvisionedPackage -online | Remove-AppxProvisionedPackage -online Remove all windows 10 apps Get-AppxPackage -allusers | Remove-AppxPackage $AppsList = “Microsoft.MicrosoftOfficeHub”, # Get Office text/html 2021-08-02T09:22:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/zabbix?rev=1627896126&do=diff Zabbix task * dashboard con conteggi aggregati (e altri grafici interessanti) * trigger di allarme: * luce accesa da troppo tempo * export dati csv con API * gestire utente non privilegiato su zabbix * VPN robusta che riparte quando il cloud non è raggiungibile text/html 2018-05-23T16:28:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/android/adb?rev=1527092889&do=diff Android android apt-get install android-tools-fastboot apt-get install android-tools-adb network mode adb -d tcpip 5555 adb connect <ip> Packages Install adb install <file.apk> Pull package Getting list of packages adb shell pm list packages text/html 2015-02-27T16:50:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/android/bootanimation?rev=1425055805&do=diff Android bootanimation cd /lab/radxa/bootanimation make make upload Copy bootanimation.zip into /lab/raxda*common/system/media desc.txt 512 256 30 p 1 0 part0 p 0 0 part1 * '523' is the width of the animation * '256' is the height of the animation text/html 2017-11-07T12:44:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/db/redis?rev=1510058672&do=diff redis * from sql to redis * from mysql to redis string type string: store a value [integer, string, ...] belong a key [string] SET connections 10 INCR connections => 11 INCR connections => 12 DEL connections INCR connections => 1 expiring key SET resource:lock "Redis Demo" EXPIRE resource:lock 120 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 2017-08-18T20:28:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/gameengine/minetest?rev=1503088095&do=diff Minetest * <http://www.ocsmag.com/2016/04/04/mining-for-education/> client sudo apt install minetest connect to cubo commands: * /home (and related /sethome) * /teleport <x>,<y>,<z> * /teleport <player> keys: * F5 Shows player coordinates Shows server stats * F7 Changes camera view Cycles through camera views 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 2016-05-29T14:56:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/radxa/linux?rev=1464533777&do=diff Radxa Linux Download image and LinuxUpgradeToolv1.21 <code> # format sudo upgradetool lf upload image sudo upgradetool uf rockprorabian1507252ce6708nand.img </code> custom rabian * <http://radxa.com/Rabian/develop> * <https://github.com/radxa/rabian-build> apt-get install qemu binfmt-support qemu-user-static sudo apt-get install git-core flex bison build-essential gcc-arm-linux-gnueabihf libncurses5-dev zlib1g-dev sharutils lzop 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 2017-01-13T11:07:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/vpn/pptp?rev=1484305640&do=diff pptp linux client apt install pptp-linux lock noauth nobsdcomp nodeflate <username> PPTP <password> * pty "pptp 185.91.188.97 --nolaunchpppd" name <username> remotename PPTP require-mppe-128 file /etc/ppp/options.pptp ipparam galileo test