How to use LXD (Linux containers) in a shell script to create VM when the cloud instance launches

April 26, 2017, 8:04 am

≫ Next: How to install tinc VPN on Ubuntu Linux 16.04 to secure traffic

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My cloud provider allows me to run a shell script when new Ubuntu Linux 16.04 LTS machine created. I want to install LXD service and create a one VM with specific private IP using a shell script? How do I create an LXD VM when the cloud server launches?

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How to install tinc VPN on Ubuntu Linux 16.04 to secure traffic

June 7, 2017, 12:17 pm

≫ Next: How to run two or multiple networks instance of Tinc VPN on same box

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I have two VPS running in the cloud. The first one is the database, and another one is the web server. I want to secure traffic that flows between private network which is insecure by design and I do not want to use OpenVPN due to complex settings. How do I install and setup tinc VPN server and secure my traffic over VPN on Ubuntu Linux 16.04 LTS server?

How to run two or multiple networks instance of Tinc VPN on same box

June 20, 2017, 12:37 pm

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How do I use Tinc to create a mesh network of two different VPN on the same server? Is it possible to create multiple VPN tunnels between two hosts using tinc VPN software?

How To Install and Configure an OpenVPN Server on Debian 9 In 5 Minutes

June 29, 2017, 1:56 pm

≫ Next: How to add new brick to replicated GlusterFS volume on Linux

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I am a new Debian Linux version 9 server user. How do I setup an OpenVPN Server on Debian Linux version 9.x or 8.x server to shield my browsing activity from bad guys on public Wi-Fi, and more?

How to add new brick to replicated GlusterFS volume on Linux

July 25, 2017, 11:19 am

≫ Next: How to install/update Intel microcode firmware on Linux

≪ Previous: How To Install and Configure an OpenVPN Server on Debian 9 In 5 Minutes

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I have a three server replicated volume setup (scalable network filesystem for cloud and VMs). I need to add one more server. How do I add a new a new brick to an existing replicated volume on a Debian or Ubuntu/CentOS Linux?

How to install/update Intel microcode firmware on Linux

January 10, 2018, 10:48 am

≫ Next: How to install KVM on CentOS 7 / RHEL 7 Headless Server

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I am a new Linux sysadmin. How do I install or update microcode firmware for Intel/AMD CPUs on Linux using the command line option?

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How to install KVM on CentOS 7 / RHEL 7 Headless Server

January 27, 2018, 10:39 am

≫ Next: How to add network bridge with nmcli (NetworkManager) on Linux

≪ Previous: How to install/update Intel microcode firmware on Linux

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How do I install and configure KVM (Kernel-based Virtual Machine) on a CentOS 7 or RHEL (Red Hat Enterprise Linux) 7 server? How can I setup KMV on a CentOS 7 and use cloud images/cloud-init for installing guest VM?

The post How to install KVM on CentOS 7 / RHEL 7 Headless Server appeared first on nixCraft.

How to add network bridge with nmcli (NetworkManager) on Linux

January 28, 2018, 11:05 am

≫ Next: How to patch Meltdown and Spectre vulnerabilities on FreeBSD

≪ Previous: How to install KVM on CentOS 7 / RHEL 7 Headless Server

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I am using Debian Linux 9 “stretch” on the desktop. I would like to create network bridge with NetworkManager. But, I am unable to find the option to add br0. How can I create or add network bridge with nmcli for NetworkManager on Linux? A bridge is nothing but a device which joins two local … Continue reading "How to add network bridge with nmcli (NetworkManager) on Linux"

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How to patch Meltdown and Spectre vulnerabilities on FreeBSD

April 20, 2018, 7:06 am

≫ Next: How to update Lenovo BIOS from Linux without using Windows

≪ Previous: How to add network bridge with nmcli (NetworkManager) on Linux

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All supported versions of FreeBSD affected by Meltdown (CVE-2017-5754), Spectre variant 1 (CVE-2017-5753), and Spectre variant 2 (CVE-2017-5715). How do I patch Meltdown and Spectre vulnerabilities on FreeBSD (speculative execution vulnerabilities) server powered by 64 bit Intel CPU?

The post How to patch Meltdown and Spectre vulnerabilities on FreeBSD appeared first on nixCraft.

How to update Lenovo BIOS from Linux without using Windows

May 14, 2018, 1:21 pm

≫ Next: How to add encrypted ZFS pool on FreeBSD server

≪ Previous: How to patch Meltdown and Spectre vulnerabilities on FreeBSD

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I am using Lenovo laptop. I want to update my BIOS but do not have Windows installed my system. How do I update Lenovo BIOS from Linux without using MS-Windows operating system with the help of a USB stick?

The post How to update Lenovo BIOS from Linux without using Windows appeared first on nixCraft.

How to add encrypted ZFS pool on FreeBSD server

June 19, 2018, 10:30 am

≫ Next: How to configure a FreeBSD Jail with vnet and ZFS

≪ Previous: How to update Lenovo BIOS from Linux without using Windows

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I recently added hard disk to my FreeBSD based server. How do I configure an encrypted ZFS pool to store data on this disk? How can I add encrypted ZFS pool on FreeBSD 11.x server?

The post How to add encrypted ZFS pool on FreeBSD server appeared first on nixCraft.

How to configure a FreeBSD Jail with vnet and ZFS

July 15, 2018, 1:34 pm

≫ Next: KVM forward ports to guests VM with UFW on Linux

≪ Previous: How to add encrypted ZFS pool on FreeBSD server

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How do I install and configure a FreeBSD jail with vnet? How do I create FreeBSD jail with /etc/jail.conf without using iocage command or ezjail command line tool?

The post How to configure a FreeBSD Jail with vnet and ZFS appeared first on nixCraft.

KVM forward ports to guests VM with UFW on Linux

July 30, 2018, 2:59 pm

≫ Next: How to remotely access Intel AMT KVM from Linux desktop

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My Debian/Ubuntu/CentOS Linux server using KVM as a hypervisor. I would like to forward ports to guests VM with UFW iptables. How do I forward ports on a Linux server running libvirt/KVM to specified ports on VM's, when using NAT?

The post KVM forward ports to guests VM with UFW on Linux appeared first on nixCraft.

How to remotely access Intel AMT KVM from Linux desktop

August 5, 2018, 1:11 pm

≫ Next: Create a Bootable Windows 10 USB in Linux With Ubuntu/Debian GUI

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I have enabled Intel AMT/ME in my Xeon server grade CPU hosted in remote data center building for OOB purpose. I do not want to use Windows 10 Pro edition. Is it possible to access Intel AMT/ME KVM session from Linux? How do I remotely access Intel AMT KVM from Linux desktop and do out of band management of my server?

The post How to remotely access Intel AMT KVM from Linux desktop appeared first on nixCraft.

Create a Bootable Windows 10 USB in Linux With Ubuntu/Debian GUI

August 6, 2018, 12:15 pm

≫ Next: Ubuntu 18.04 LTS Set Up OpenVPN Server In 5 Minutes

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I am a Linux user and sysadmin. However, I need to install a couple of Windows 10 enterprise or MS-Windows 10 LTSB on a desktop system for developers. How do I create a bootable Windows 10 USB in Linux with GUI tools on an Ubuntu Linux 18.04 or Debian Linux 9.x?

The post Create a Bootable Windows 10 USB in Linux With Ubuntu/Debian GUI appeared first on nixCraft.

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Ubuntu 18.04 LTS Set Up OpenVPN Server In 5 Minutes

September 27, 2018, 12:19 am

≫ Next: CentOS 7.0 Set Up OpenVPN Server In 5 Minutes

≪ Previous: Create a Bootable Windows 10 USB in Linux With Ubuntu/Debian GUI

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I am a new Ubuntu Linux 18.04 LTS server user. How do I set up an OpenVPN Server on Ubuntu Linux version 18.04 LTS server to shield my browsing activity from bad guys on public Wi-Fi, and more?

The post Ubuntu 18.04 LTS Set Up OpenVPN Server In 5 Minutes appeared first on nixCraft.

CentOS 7.0 Set Up OpenVPN Server In 5 Minutes

September 29, 2018, 9:18 am

≫ Next: How to create VM using the qcow2 image file in KVM

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I am a new CentOS Linux 7.0 server user. How do I set up an OpenVPN Server on CentOS Linux version 7.0 server to shield my browsing activity from bad guys on public Wi-Fi, and more?

The post CentOS 7.0 Set Up OpenVPN Server In 5 Minutes appeared first on nixCraft.

How to create VM using the qcow2 image file in KVM

November 17, 2018, 7:58 am

≫ Next: How to setup a UFW firewall on Ubuntu 18.04 LTS server

≪ Previous: CentOS 7.0 Set Up OpenVPN Server In 5 Minutes

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I have image.qcow2 file. How do I install the qcow2 image provided in the qcow2 format? How do I create Linux KVM VM from provided image (say image.qcow2) file?

The post How to create VM using the qcow2 image file in KVM appeared first on nixCraft.

How to setup a UFW firewall on Ubuntu 18.04 LTS server

November 24, 2018, 1:27 pm

≫ Next: How to set up a firewall using FirewallD on RHEL 8

≪ Previous: How to create VM using the qcow2 image file in KVM

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How do I setup a firewall with UFW (uncomplicated firewall) on an Ubuntu Linux 18.04 LTS server to restrict traffic on my personal Ubuntu web-server that hosts my cat's blog? How do I set up a firewall with UFW on Ubuntu 18.04 LTS?

The post How to setup a UFW firewall on Ubuntu 18.04 LTS server appeared first on nixCraft.

How to set up a firewall using FirewallD on RHEL 8

December 2, 2018, 10:10 am

≫ Next: How to install Nvidia driver on CentOS 7 Linux

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I am a new Red Hat Enterprise Linux sysadmin. How do I set up a firewall using FirwallD on RHEL 8?

The post How to set up a firewall using FirewallD on RHEL 8 appeared first on nixCraft.