https://wiki.csgalileo.org/ 2026-04-18T12:19:21+00:00 https://wiki.csgalileo.org/ https://wiki.csgalileo.org/_media/wiki/logo.png 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 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 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 2018-02-08T16:12:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ubuntu/locale?rev=1518106346&do=diff post install for servers apt install -y curl && \ curl -s "http://wiki.csgalileo.org/tips:ubuntu:locale?do=export_code&codeblock=1" | /bin/bash apt remove -y unattended-upgrades locale-gen it_IT.UTF-8 locale-gen en_US.UTF-8 update-locale LANG=it_IT.UTF-8 LC_MESSAGES=POSIX timedatectl set-timezone Europe/Rome 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-… 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 2022-03-23T13:21:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ubuntu/server?rev=1648041711&do=diff Ubuntu Server apt purge --auto-remove -y snapd squashfs-tools friendly-recovery apport at modemmanager apt purge --auto-remove -y unattended-upgrades apt purge --auto-remove -y apparmor ufw sudo systemctl disable apt-daily-upgrade.timer sudo systemctl mask apt-daily-upgrade.service sudo systemctl disable apt-daily.timer sudo systemctl mask apt-daily.service grep -q menu-complete /etc/inputrc if [ $? = 1 ]; then cat >> /etc/inputrc <<EOF "\M-s": menu-complete "\e[A": history-search-backward "… 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 2026-02-15T07:33:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/rocm?rev=1771140788&do=diff References: - <https://community.frame.work/t/amd-strix-halo-llama-cpp-installation-guide-for-fedora-42/75856> - <https://strix-halo-toolboxes.com/> - <https://github.com/kyuz0/amd-strix-halo-toolboxes> This report outlines the deployment of the Ollama LLM runtime on Arch Linux specifically tailored for the AMD Ryzen AI Max+ 395 APU. The primary focus is optimizing performance by leveraging the integrated Radeon 8060S iGPU through the 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 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 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 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 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 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 2025-05-25T08:22:51+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 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 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 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 2017-08-07T11:54:45+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 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 2015-10-09T07:56:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/openalpr?rev=1444377380&do=diff OpenALPR Android reference Requirements android sdk android-ndk /etc/profile.d/sdk.sh export NDKROOT=/lab/sdk/android-ndk-r10e export ANDROID_HOME=/lab/sdk/android-sdk-linux export PATH=${PATH}:${NDKROOT}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools/ export ANDROID_CMAKE_TOOLCHAIN=/lab/sdk/android-cmake/android.toolchain.cmake 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 2015-03-30T13:44:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/blender/fluid?rev=1427723088&do=diff Fluid * Create a cube and set it to physics -> fluid -> domain * Create an object inside cube and set it to physics -> fluid -> fluid * On domain click to physics -> bake button /lab/blender/fluid bake.py import bpy import sys from bpy.app.handlers import persistent #@persistent def do_bake(): for scene in bpy.data.scenes: for object in scene.objects: for modifier in object.modifiers: if modifier.type == 'FLUID_SIMULATION': if … text/html 2019-09-25T11:29:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/blender/videoediting?rev=1569410965&do=diff Blender Video Editor Concepts There are n channels: channel 0 is seen in top of other, channel with major number is seen in top of others. Stripes Edit strip -> Blend -> Over Drop Edit strip -> Image Offest -> X,Y Select strip and Add -> Effect strip 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 2025-05-20T15:23:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/blender?rev=1747754598&do=diff Blender 2.9 shortcuts * SHIFT z: switch wireframe and object mode * f: fill faces or edges between edges or vertex * a: select all * ALT+a: select nothing * c: circle select * b: box select * SHIFT+b: zoom to box * SHIFT+s: cursor move or selection move 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 2023-07-15T07:37:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/fish?rev=1689406663&do=diff Fish * <https://github.com/jorgebucaran/awsm.fish> install meslo nerd font and set it in console (terminator, ...) yay -S ttf-meslo-nerd install fisher plugin manager curl -sL https://git.io/fisher | source && fisher install jorgebucaran/fisher update fisher update fish_update_completions text/html 2025-06-28T06:42:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/gemini?rev=1751092934&do=diff Gemini CLI Get API KEY from google studio Install gemini-cli yay -S gemini Add KEY to environment # fish echo 'set -x GEMINI_API_KEY "..."' >> ~/.config/fish/config.fish # bash echo "GEMINI_API_KEY=..." >> ~/.bashrc text/html 2025-12-06T09:44:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/harbor?rev=1765014263&do=diff Harbor Install yay -S python-pipx pipx install harbor # add ~/.local/bin to PATH harbor doctor upgrade pipx upgrade llm-harbor Config use existing ollama (vulkan based), for example on 172.16.0.1 harbor config ls | grep OLLAMA_INTERNAL_URL harbor config set ollama.internal_url http://172.16.0.1:11434 harbor defaults rm ollama # remove harbor ollama buitin 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 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 2020-09-09T08:51:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/optimus?rev=1599641466&do=diff Optimus Manager enable nvidia power management: * <http://download.nvidia.com/XFree86/Linux-x86_64/435.17/README/dynamicpowermanagement.html> * <https://github.com/Askannz/optimus-manager/wiki/A-guide--to-power-management-options> set startup_mode=hybrid in /etc/optimus-manager/optimus-manager.conf switch to hybrid optimus-manager --switch hybrid optimus-manager --print-mode 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 2023-04-13T13:10:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/pypi?rev=1681391411&do=diff PYPI pypiserver <https://hub.docker.com/r/pypiserver/pypiserver> authentication create htpasswd -sc htpasswd.txt galileo update htpasswd -s htpasswd.txt <user2> client Client authentication use keyring and: - ~/.pip/pip.conf for install - ~/.pypirc for publish and eventually for clear password 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 [ $? = 1 ]; then cat >> /etc/inputrc <<EOF "\M-s": menu-complete "\e[A": history-search-backward "\e[B": history-search-forward "\M-o": "\C-p\C-a\M-f " EOF fi text/html 2015-04-12T06:15:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/debian/deb?rev=1428819343&do=diff Packages Repack dpkg-deb -R fglrx-core_14.501-0ubuntu1_amd64.deb fglrx-core sed -ri 's/(Conflicts|Provides).*/\1: fglrx-driver-core/' fglrx-core/DEBIAN/control sudo dpkg-deb -b fglrx-core/ fglrx-core_14.501-0ubuntu1_amd64.deb Clone packages from machine to another text/html 2018-03-03T08:28:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/ubuntu/17.10?rev=1520065690&do=diff 17.10 artful ZFS (guest) From running ZFS ubuntu on guest install newer system in new ZFS fs sudo su DISTRO=artful apt install -y debootstrap zfs create -o canmount=noauto -o mountpoint=/$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 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 2017-01-20T12:03:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.csgalileo.org/tips/vpn/ipsec?rev=1484913796&do=diff ipsec linux GUI client * <https://www.bestvpnz.com/how-to-set-up-l2tp-ipsec-vpn-on-linux-networkmanager-strongswan/> sudo add-apt-repository ppa:raharper/bugfixes sudo apt-get update apt install network-manager-strongswan xl2tpd 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