theMatrixDev

Latest — Oct 28, 2021

Install Dropbear on Ubuntu to decrypt LVM during boot

sudo apt install dropbearEnable Dropbear on boot: sudo nano /etc/initramfs-tools/initramfs.confSet BUSYBOX=y and add DROPBEAR=y Generate host key. Change to root account for ease of handling. cd /etc/dropbear-initramfs/ sudo su /usr/lib/dropbear/dropbearconvert dropbear openssh dropbear_rsa_host_key id_rsa dropbearkey -y -f

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Install AdGuard with Docker on Ubuntu

Install Docker and Docker-ComposeInstall Docker and Docker-Compose on Ubuntu 20.04DockerInstall necessary tools: sudo apt install apt-transport-https ca-certificates curl software-properties-common -y Add Docker key: curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - Add Docker repo (choose the correct repository): 32bit / 64bit OS sudo add-apt-re…theMatrixDevy2kbugChange

Using Yubikey on Ubuntu 20.10

sudo add-apt-repository ppa:yubico/stablesudo apt-get updateYubiKey Manager (GUI) cd ~/Downloads/ wget https://developers.yubico.com/yubikey-manager-qt/Releases/yubikey-manager-qt-latest-linux.AppImage chmod +x ~/Downloads/yubikey-manager-qt-1.1.5-linux.AppImageYubico Authenticator sudo apt-get install yubioath-desktopYubiKey Personalization Tool sudo apt-get install yubikey-personalization-guiConfirm libu2f-udev is already installed: sudo apt install libu2f-udevDownload U2F-rule-file from Yubico GitHub:

Change Ubuntu LVM encryption passphrase

Find out the UUID of the encrypted partitioncat /etc/crypttabIt will show something like this: nvme0n1p3_crypt UUID=49c18a64-fc5d-4d90-b770-bfeda8531f7f none luks,discardFind the ID of the drivesudo blkid | grep 49c18a64It will show something like this: /dev/nvme0n1p3: UUID="49c18a64-fc5d-4d90-b770-bfeda8531f7f" TYPE="crypto_LUKS" PARTUUID="f47c4836-ba21-498c-a571-daea2ab0a52f"Add a new passphraseImportant! Please keep

Setup Wireguard VPN server with Docker

Get and setup a serverBoth Vultr and DigitalOcean offers as inexpensive as $5 per month servers. So please choose by datacenter location. Largest Cloud Server Network AvailableVultr offers the largest worldwide network, enabling you to spin up and easily scale a low latency infrastructure solution no matter where you and

Use OpenVPN over Shadowsocks

Before we startSetup OpenVPN server https://www.digitalocean.com/community/tutorials/how-to-set-up-and-configure-an-openvpn-server-on-ubuntu-20-04Setup Shadowsocks server https://thematrix.dev/setup-go-shadowsocks-on-ubuntu/Configure client sideOpen the client .ovpn file. Add this line to use SOCKS5 proxy on localhost port 1080. socks-proxy 127.0.0.1 1080Add this line to skip routing the connection to

Setup Go-Shadowsocks on Ubuntu 20.04

Before we startGet a server https://thematrix.dev/get-a-domain-name-a-server-and-protect-them-with-cloudflare/Install Docker https://thematrix.dev/install-docker-and-docker-compose-on-ubuntu-20-04/Go-Shadowsocks-2We are goinbg to setup Go-Shadowsocks-2. It is 2nd version Shadowsocks written in Go-Lang. shadowsocks/go-shadowsocks2Modern Shadowsocks in Go. Contribute to shadowsocks/go-shadowsocks2 development by creating an account on GitHub.GitHubshadowsocksSetup servermkdir ~/shadowsocks-server/ cd ~/shadowsocks-server/

Setup Cloudflare CDN protected Trojan-Go with Docker on Ubuntu 20.04

Before we startGet a server https://thematrix.dev/get-a-domain-name-a-server-and-protect-them-with-cloudflare/Install Docker https://thematrix.dev/install-docker-and-docker-compose-on-ubuntu-20-04/Get your Cloudflare account and domain-name https://thematrix.dev/get-a-domain-name-a-server-and-protect-them-with-cloudflare/Setup Trojan-Go serverCreate Docker-Compose configuration fileCreate docker-compose.yml which contains the official Trojan-Go image, and a NGINX web server. mkdir -p ~/trojan-go/ nano ~/trojan-go/docker-compose.

Get a domain name, a server, and protect them with Cloudflare.

Get a domain nameIn this tutorial, NameCheap will be used for demonstration. I have been their customer since 2004. Like their name, they sell domain-name cheap. With every domain-name they sell, it comes with WHOIS-Guard. So the general public cannot find out your personal information with use of WHOIS tool.

Use LDAC on Ubuntu 20.04

sudo add-apt-repository ppa:berglh/pulseaudio-a2dpsudo apt install libldac pulseaudio-modules-bt libavcodec-extra58 libfdk-aac1 bluez pulseaudio bluemanpulseaudio -k pulseaudio --start