Tag Archives: ubuntu

How to create AWS ec2 key using Ansible

How to create AWS ec2 key using Ansible

I wanted to create Amazon EC2 Key pair using Ansible tool. I do not want to use AWS CLI. Is it possible to create AWS ec2 key using Ansible? You need to use ec2_key module of Ansible. This module has a dependency on python-boto version 2.5 or above. boto is nothing but a python interface … Continue reading “How to create AWS ec2 key using Ansible”

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How to reset forgotten root password for Linux KVM qcow2 image/vm

How to reset forgotten root password for Linux KVM qcow2 image/vm

I have Debian Linux VM running on KVM. I think I forgotten the password for the root account and I am no longer able to run ‘su -‘ command. How do I reset the password for the root account for KVM VM which is in qcow2 format? You can modify images with guestfish. It is … Continue reading “How to reset forgotten root password for Linux KVM qcow2 image/vm”

The post How to reset forgotten root password for Linux KVM qcow2 image/vm appeared first on nixCraft.

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How to install KVM server on Debian Linux 9 Headless Server

How to install KVM server on Debian Linux 9 Headless Server

Kernel-based Virtual Machine (KVM) is a virtualization module for the Linux kernel that turns it into a hypervisor. How can I install KVM with bridged networking, setup guest operating system as the back-end virtualization technology for non-graphic Debain Linux 9.x server? You can use KVM to run multiple operating systems such as Windows, *BSD, Linux … Continue reading “How to install KVM server on Debian Linux 9 Headless Server”

The post How to install KVM server on Debian Linux 9 Headless Server appeared first on nixCraft.

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How to setup and configure network bridge on Debian Linux

How to setup and configure network bridge on Debian Linux

I am new Debian Linux user. I want to setup Bridge for virtualised environments (KVM) running on Debian Linux. How do I setup network bridging in /etc/network/interfaces on Debian Linux 9.x server?

The post How to setup and configure network bridge on Debian Linux appeared first on nixCraft.

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How to use lftp to accelerate ftp/https download speed on Linux/UNIX

How to use lftp to accelerate ftp/https download speed on Linux/UNIX

LFTP is a sophisticated file transfer program supporting a number of network protocols (ftp, http, sftp, fish, torrent). Like BASH, it has job control and uses the readline library for input. Let us see how to use lftp to download files in parallel to increase download speed.

The post How to use lftp to accelerate ftp/https download speed on Linux/UNIX appeared first on nixCraft.
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How To Recover Linux Grub Boot Loader Password

How To Recover Linux Grub Boot Loader Password

GNU GRUB (short for GNU GRand Unified Bootloader) is a boot loader package from the GNU Project. If you have, a password protected grub boot loader, and you forgot both root and grub password, then you can recover grub-boot loader password using the following method/procedure.

The post How To Recover Linux Grub Boot Loader Password appeared first on nixCraft.
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OpenBSD install or add binary software package using pkg_add

OpenBSD install or add binary software package using pkg_add

Just like FreeBSD, OpenBSD comes with pkg_add command. It is used to install a binary or upgrade packages from HTTP or FTP mirror over the internet. The pkg_add command used to update existing packages too.

The post OpenBSD install or add binary software package using pkg_add appeared first on nixCraft.
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