anishcorratech

# Install QEMU-6.1.0
wget https://download.qemu.org/qemu-6.1.0.tar.xz
tar xvJf qemu-6.1.0.tar.xz
cd qemu-6.1.0
./configure
make
sudo make install

# Download Armbian (Ubuntu Focal 20.04) for OrangePi PC
#wget https://mirrors.netix.net/armbian/dl/orangepipc/archive/Armbian_21.08.1_Orangepipc_focal_current_5.10.60.img.xz

anishcorratech

Readme

A primitive script for Starting, Stopping and Checking Status of the filebrowser docker container.

Create a directory:

mkdir $HOME/labs/docker/filebrowser/

anishcorratech

How to mount a QCOW2 disk image in Linux

In Linux KVM we use sparse file format called qcow and qcow2 for disk images. Sometimes we need to mount a qcow2 disk images of a guest devices on to your host server. We need to do this to salvage a file, reset password of root user, or troubleshoot a faulty disk image.

We can use this dcumentation to do mount a Linux KVM guest qcow2 disk.

anishcorratech

Virtual Machines

The commonly used hypervisors:

• Qemu-KVM
• Libvirt
• VMware
• Virtualbox.

These softwares offers instruction-set level virtualization.

anishcorratech

Executing networkmanager-1.22.10-r0.pre-install
  *
  * To setup system connections, regular users must be member of 'plugdev' group.
  *
  *
  * To control WiFi devices, enable wpa_supplicant service: 'rc-update add wpa_supplicant default'
  * then reboot the system or restart 'wpa_supplicant' and 'networkmanager' services respectively.
  *
(25/80) Installing networkmanager-openrc (1.22.10-r0)

anishcorratech

#!ipxe
kernel http://ftp.sh.cvut.cz/slax/Slax-9.x/ipxe/9.6.0/64bit/vmlinuz vga=normal load_ramdisk=1 prompt_ramdisk=0 rw printk.time=0 from=http://ftp.sh.cvut.cz/slax/Slax-9.x/slax-64bit-9.6.0.iso
initrd http://ftp.sh.cvut.cz/slax/Slax-9.x/ipxe/9.6.0/64bit/initrfs.img
boot

anishcorratech

1969 - Led Zeppelin - Whole Lotta Love
1970 - Led Zeppelin - Immigrant Song
1971 - Led Zeppelin - Stairway To Heaven
1971 - Led Zeppelin - Black Dog
1971 - Led Zeppelin - Misty Mountain Hop
1975 - Led Zeppelin - Kashmir

anishcorratech

1982 - Run to the hills
1982 - The number of the beast
1983 - The Trooper
1984 - Aces High
1986 - Wasted Years
1992 - Fear of the dark
1982 - Hallowed be thy name

anishcorratech

I've been playing with jq, and I've been having a hard time finding examples of how it works with output from a service like AWS (which I use a lot).

Here is one I use a lot with vagrant-ec2.

When we're launching and killing a lot of instances, the AWS API is the only way to track down which instances are live, ready, dead, etc.

To find instances that are tagged with e.g. {"Key" = "Name", "Value" = "Web-00'} in the middle of a vagrant dev cycle, or a prod launch/replace cycle, you can do something like this:

anishcorratech

Multiple REDIS instance on a CENTOS Linux

• create a new redis .conf file

$ cp /etc/redis.conf /etc/redis-xxx.conf

• edit /etc/redis-xxx.conf, illustrated as below