https://camarreal.dedyn.io/ 2026-05-01T13:46:54+00:00 https://camarreal.dedyn.io/ https://camarreal.dedyn.io/lib/exe/fetch.php?media=wiki:logo.png text/html 2026-04-04T09:38:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://camarreal.dedyn.io/doku.php?id=virtualization:containerlab&rev=1775295509&do=diff RUN NETLAB INSTANCE IN OCI CLOUD * Create the instance in OCI. Use the following shape. It doesn't consume credit when turned off. * Add the public ssh key * connect to the instance. USer is 'ubuntu', you can find it the 'Instance access' in OCI instance section. text/html 2023-11-02T14:38:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://camarreal.dedyn.io/doku.php?id=virtualization:do_clab&rev=1698935895&do=diff 1.- VIA UI (OR TF) START INSTANCE AND ATTACH STORAGE 2. AND 3. IN PARALLEL 2.- Install docker and move it to external storage sudo apt install docker.io service docker stop cat > /etc/docker/daemon.json { "data-root": "/root/mnt/dockestuff" } service docker start docker import /root/mnt/....cEOS dsfsd text/html 2023-11-02T14:38:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://camarreal.dedyn.io/doku.php?id=virtualization:docker&rev=1698935895&do=diff DOCKER Emulate only the user space. Container engine isolates user spaces. * cgroups: kernel mechanism for limiting and measuring the total resources used by a group of processes running on a system. For example, you can apply CPU, memory, network or IO quotas. cgroups text/html 2025-07-17T18:06:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://camarreal.dedyn.io/doku.php?id=virtualization:evpnvxlan&rev=1752775594&do=diff ---------- VXLAN NOTES * Uses UDP-4789 * VXLAN headers add 50 bytes to the original frame * Oreilly course: <https://github.com/vinugenie/VXLAN-EVPN-Deep-Dive-Training> ; vni (vxlan) vtep ---->{[mac][ip][mac][ip]} MAC addresses conveyed via bgp. Datacenter. At the end of the day these are knobs to avoid using L3!. text/html 2023-11-02T14:38:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://camarreal.dedyn.io/doku.php?id=virtualization:libvirt&rev=1698935895&do=diff LIBVIRT virsh cheatsheet:<http://blog.programster.org/kvm-cheatsheet/External Link> BASIC OPERATIONS virsh shutdown guest1 --mode acpi virsh destroy guest1 virsh undefine guest1 virsh suspend guest1virsh reset guest1virsh managedsave guest1 --running # to save running state. virsh start guest1 # starts it from the point it was saved text/html 2025-01-26T17:52:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://camarreal.dedyn.io/doku.php?id=virtualization:netsim&rev=1737913944&do=diff Netlab is an great opensource project for easy deployment of network labs, initiated and managed by Ivan Pepelnjak. Here's just some of my notes about installation and operation: * <https://github.com/ipspace/netlab> * <https://netsim-tools.readthedocs.io/en/latest/> * Upgrade-todo * Data_models-todo * templates_location-todo text/html 2023-11-02T14:38:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://camarreal.dedyn.io/doku.php?id=virtualization:virtualbox&rev=1698935895&do=diff * HOST KEY: rigth-ctrl * adjust window size: host+a * seamless mode : host-L