how to install and configure docker-ce on Ubuntu 18.04
install the new docker version, docker-ce sudo apt update sudo apt install docker.io docker version useful docker commands CID=$(docker run…
how to convert an KVM image to a LXC container image
install lxd-p2c tool sudo apt install golang-go -y go get -v -x github.com/lxc/lxd/lxd-p2c cd ~/go/src/github.com/lxc/lxd make lxd-p2c ~/go/bin/lxd-p2c --help convert…
how to access VM console
try to connect to VM console virsh list virsh console ID (enter) if you cannot access to VM console, login…
adding IPMI user in commandline
#!/bin/sh # execute on jumphost # # default user per manufacturer # Dell : root/calvin # Oracle: root/changeme # HP…
converting netmask to CIDR or vice verse
#!/bin/bash # convert netmask to CIDR (Classless Inter-Domain Routing) or vice verse # mask2cidr () { # Assumes there's no…
how to wipe out hard disk or partition
fill disk blocks with zero or random values umount /dev/sdX dd if=/dev/zero of=/dev/sdX bs=1M dd if=/dev/urandom of=/dev/sdX bs=1M filling with…
how to implement WAN-switching over OVS-DPDK in Ubuntu 14.04 and OpenStack kilo
WAN switching for static public IP cat wanSwitching-static.sh #!/bin/bash # # example values in case of d4's eth0 KERNEL_PORT_NAME="eth0" DPDK_PORT_NAME="dpdk0"…
how to setup pktgen tool
prepare hugepage in /etc/default/grub or /etc/dpdk/dpdk.conf and reboot install required packages including libpcap-dev sudo apt-get install libpcap-dev download and build…
how to configure CPU pinning to a VM
create a flavor through OpenStack dashboard or command line # for example, with an ID of 6, 4 GB of…
how to configure openvswitch with dpdk on ubuntu 16.04
if you want to run DPDK-app in VM, configure /etc/default/grub to enable VT-d in BIOS settings sudo vi /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="iommu=pt…