setup ubuntu 20.04 curl, node.js, java, ruby, jekyll, nvm, sdkman

install Node Npm Java Maven Ruby Jekyll

sudo apt update -y && \
sudo snap remove curl
sudo apt-get install curl
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash
curl -s "https://get.sdkman.io" | bash 
nvm install --lts && \
sdk install java 16.0.1.j9-adpt &&\ \
sdk install maven 3.6.3 && \
## https://jekyllrb.com/docs/installation/ubuntu/
sudo apt-get install ruby-full build-essential zlib1g-dev && \
echo '# Install Ruby Gems to ~/gems' >> ~/.bashrc && \
echo 'export GEM_HOME="$HOME/gems"' >> ~/.bashrc && \
echo 'export PATH="$HOME/gems/bin:$PATH"' >> ~/.bashrc && \
source ~/.bashrc && \
gem install jekyll bundler && \

setup sshkeys for multiple github accounts

ssh-keygen -t rsa -b 4096 -C "servid.servid@datahawklab.com" -f $HOME/.ssh/id_rsa_datahawklab
ssh-keygen -t rsa -b 4096 -C "servid.servid@gmail.com" -f $HOME/.ssh/id_rsa_servidc

in file ~/.ssh/config

Host datahawk-lab
  HostName github.com
  User git
  IdentityFile ~/.ssh/d_rsa_datahawklab
 
Host servidc
  HostName github.com
  User git
  IdentityFile ~/.ssh/id_rsa_servidc

ruby,jekyll, gitpages site

sudo apt-get install ruby-full build-essential zlib1g-dev && \
echo '# Install Ruby Gems to ~/gems' >> ~/.bashrc && \
echo 'export GEM_HOME="$HOME/gems"' >> ~/.bashrc && \
echo 'export PATH="$HOME/gems/bin:$PATH"' >> ~/.bashrc && \
source ~/.bashrc && \
gem install jekyll bundler && \
git clone https://github.com/datahawk-lab/datahawk-lab.github.io.git && \
mv datahawk-lab.github.io $YOURPROJNAME && \
cd $YOUPROJNAME && \
bundle install && \
bundle exec jekyll serve

install Node Npm Java Maven Ruby Jekyll

sudo apt update -y && \
sudo snap remove curl
sudo apt-get install curl
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash
curl -s "https://get.sdkman.io" | bash 
nvm install --lts && \
sdk install java 16.0.1.j9-adpt &&\ \
sdk install maven 3.6.3 && \
## https://jekyllrb.com/docs/installation/ubuntu/
sudo apt-get install ruby-full build-essential zlib1g-dev && \
echo '# Install Ruby Gems to ~/gems' >> ~/.bashrc && \
echo 'export GEM_HOME="$HOME/gems"' >> ~/.bashrc && \
echo 'export PATH="$HOME/gems/bin:$PATH"' >> ~/.bashrc && \
source ~/.bashrc && \
gem install jekyll bundler && \

configure Git client

git config --global user.email "servid.servid@gmail.com" ;\
git config --global user.name "servid servid"

create public/private putty ssh keys and save to onedrive via rclone

sudo apt-get install putty &&\
sudo apt-get install puttygen &&\
sudo apt-get install xclip &&\

puttygen -t ed25519 -b 256 -C "servid.servid@gmail.com" -o datacrunch.ppk && puttygen -L  datacrunch.ppk > datacrunch.pub &&\
cat datacrunch.pub | xclip &&\
xclip -o &&\
rclone copy datacrunch.ppk onedrive:secure &&\
rclone copy datacrunch.pub onedrive:secure

mount onedrive via rclone ubuntu 20.04

rclone --vfs-cache-mode writes mount onedrive: ~/OneDrive &

install Chromium on Mint O.S 20.1

sudo apt update
sudo apt install chromium

sudo apt-get remove chromium-browser
sudo apt autoremove

install chrome

wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | sudo apt-key add - && \
echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" | sudo tee /etc/apt/sources.list.d/google-chrome.list && \
sudo apt update && \
sudo apt install -y google-chrome-stable && \
echo "install chrome-stable"

install cockpit Ubuntu distributions

sudo apt update
sudo apt install cockpit -y
sudo apt install cockpit-packagekit
sudo apt install cockpit-machines -y
sudo apt install cockpit-dashboard

install SSH Ubuntu distributions

SSHFS filesharing Ubuntu and openssh server

install SSHFS
create a local folder to mount
mount the remote folder via SSHFS

sudo apt install -y openssh-server sshfs

#mkdir localhost_folder
sshfs remote_host:/remote/folder $HOME/localhost_folder

Generate public/private SSH key pairs

ssh-keygen -t rsa -b 4096 -C "servid.servid@datahawklab.com" -f /home/servidc/.ssh/id_rsa

chmod 700 /home/servidc/.ssh
chmod 644 /home/servidc/.ssh/*.pub
chmod 600 /home/servidc/authorized_keys

copy $HOME/.ssh/id_rsa.pub to $HOME/.ssh/authorized_keys onto each server you would like to passwordless ssh into

example

ssh user@host
echo $pub_key >> $HOME/.ssh/authorized_keys

setup each remote host you would like to passwordless ssh into

sudo apt install -y openssh-server

as root

# vi /etc/ssh/sshd_config

uncomment

PubkeyAuthentication yes

uncomment and set to no

PasswordAuthentication no

restart sshd

sudo systemctl restart ssh

setup auto-update and auto-upgrade on Ubuntu Server 20.04

install:

sudo apt install unattended-upgrades

open: sudo nano /etc/apt/apt.conf.d/50unattended-upgrades
un-comment:

"${distro_id}:${distro_codename}-updates";
Unattended-Upgrade::Remove-Unused-Kernel-Packages "true";Unattended-Upgrade::Remove-Unused-Dependencies "true";
Unattended-Upgrade::Automatic-Reboot "true";
Unattended-Upgrade::Automatic-Reboot-Time "02:38";

open: sudo nano /etc/apt/apt.conf.d/20auto-upgrades
add:

APT::Periodic::Update-Package-Lists "1";
 APT::Periodic::Download-Upgradeable-Packages "1";
 APT::Periodic::AutocleanInterval "7";
 APT::Periodic::Unattended-Upgrade "1";
check if it works:
sudo unattended-upgrades --dry-run --debug

install barrier from source Ubuntu

Keyboard and mouse sharing between Linux hosts Barrier

sudo apt update && sudo apt upgrade ;\
sudo apt install git cmake make xorg-dev g++ libcurl4-openssl-dev \
                 libavahi-compat-libdnssd-dev libssl-dev libx11-dev \
                 libqt4-dev qtbase5-dev && \
git clone https://github.com/debauchee/barrier.git && \
cd barrier && \
git submodule update --init --recursive && \
./clean_build.sh && \
cd build && \
sudo make install

will install in the following locations

-- Install configuration: "Debug"
-- Installing: /usr/local/share/icons/hicolor/scalable/apps/barrier.svg
-- Installing: /usr/local/share/applications/barrier.desktop
-- Installing: /usr/local/bin/barrierc
-- Installing: /usr/local/bin/barriers
-- Installing: /usr/local/bin/barrier

Barrier server

this lets you run th server component (the host that has the keyboard and mouse attached), in the background

nohup /usr/local/bin/barriers -f --no-tray --debug INFO --name servidc-Aspire-E5-576 --enable-crypto -c /home/servidc/barrier.conf --address :24800 </dev/zero >/dev/null 2>&1 &

~/barrier.conf contains info describing the screen position and other info

section: screens
    servidc-Aspire-E5-576:
        halfDuplexCapsLock = false
        halfDuplexNumLock = false
        halfDuplexScrollLock = false
        xtestIsXineramaUnaware = false
        preserveFocus = false
        switchCorners = none
        switchCornerSize = 0
    servid-hp350g1:
        halfDuplexCapsLock = false
        halfDuplexNumLock = false
        halfDuplexScrollLock = false
        xtestIsXineramaUnaware = false
        preserveFocus = false
        switchCorners = none
        switchCornerSize = 0
end

section: aliases
end

section: links
    servidc-Aspire-E5-576:
        right = servid-hp350g1
    servid-hp350g1:
        left = servidc-Aspire-E5-576
end

section: options
    relativeMouseMoves = false
    screenSaverSync = true
    win32KeepForeground = false
    clipboardSharing = true
    switchCorners = none
    switchCornerSize = 0
end

Files created for SSL authentication on Barrier server
the local.txt key on the server matches the TrustedServers.txt entry on the client

cat /home/servidc/.local/share/barrier/SSL/Fingerprints/Local.txt

43:BD:9D:B7:2C:61:E9:FC:CA:03:2B:B2:43:BC:5C:0F:A3:E2:E9:6C

cat /home/servidc/.local/share/barrier/SSL/Barrier.pem

-----BEGIN PRIVATE KEY-----
MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCvW8hEHApPEM6B
tjZR5moUiUKAX/LVJeX35Tbabt3oBSmI4MnHtRdTYXiDrNRpmtkdcfQCMEErIFBj
ny6WljKNjeCbeOldPatIDNQgwxqJ6Av0drxnwTNBr3kd/LVslnFgRVOxU3DZEA28
cx9C3woZv02gMBynrhJF4gCp91ksNxAyGvxWg8GujgXa7pWD14yMMhovzjcqIxDs
....
-----END PRIVATE KEY-----
-----BEGIN CERTIFICATE-----
MIIDBTCCAe2gAwIBAgIUMZhE4WE5wuDim9dsoFtsIabS2aEwDQYJKoZIhvcNAQEL
BQAwEjEQMA4GA1UEAwwHQmFycmllcjAeFw0yMTAyMjcyMzQ5MDhaFw0yMjAyMjcy
MzQ5MDhaMBIxEDAOBgNVBAMMB0JhcnJpZXIwggEiMA0GCSqGSIb3DQEBAQUAA4IB
DwAwggEKAoIBAQCvW8hEHApPEM6BtjZR5moUiUKAX/LVgfF4LP8Q8c0ZHVPBIjLW4Uu+37weWcFcMzH1+JXzI4r8XgAB6RqloiJY8ETkaL4d
kRFllnz6kbsI1IrEYYPhUUCs5DT2cQ9hJbokjBQhCPc/P0oRO4ibu7KlAnFk7wYU
ggSUoC+K9EAdYg9NJBS50sfZP4XYksyfh2PXfIGySLdr8OtHWiRNLeK1WlqiSGfi

Barrier client

this is the host wiht just a monitor attached, that you want to control

nohup /usr/local/bin/barrierc -f --no-tray --debug INFO --name servid-hp350g1 --enable-crypto 192.168.1.243:24800 </dev/zero >/dev/null 2>&1 &

files created on the local client:

cat /home/servidc/.local/share/barrier/SSL/Fingerprints/Local.txt
8B:01:F0:FE:1C:D7:33:A2:63:A5:38:4B:51:50:DF:6B:C3:DB:1B:7

cat /home/servidc/.local/share/barrier/SSL/Fingerprints/TrustedServers.txt
43:BD:9D:B7:2C:61:E9:FC:CA:03:2B:B2:43:BC:5C:0F:A3:E2:E9:6C

cat /home/servidc/.local/share/barrier/SSL/Barrier.pem
-----BEGIN PRIVATE KEY-----
MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCiXQLyYiIQNBfh
Q7yvISYKO1W/6ZfQ+vXoegDzxlc4/yg1G4zL+UgXY2/Geyuj40GmyEqTRedOTK6K
zj/gQKayplRlwawMed7H7iOhtMNi9o3WrK7ygfF4LP8Q8c0ZHVPBIjLW4Uu+37we
WcFcMzH1+JXzI4r8XgAB6RqloiJY8ETkaL4dkRFllnz6kbsI1IrEYYPhUUCs5DT2
cQ9hJbokjBQhCPc/P0oRO4ibu7KlAnFk7wYUggSUoC+K9EAdYg9NJBS50sfZP4XY
ksyfh2PXfIGySLdr8OtHWiRNLeK1WlqiSGfi84OJZ6M2DvjavGeW4I+RR8Pc2TDb
....
-----END PRIVATE KEY-----
-----BEGIN CERTIFICATE-----
MIIDBTCCAe2gAwIBAgIUQ2TvM/Z8XZu9yjFVo4099R0t4DIwDQYJKoZIhvcNAQEL
BQAwEjEQMA4GA1UEAwwHQmFycmllcjAeFw0yMTAyMjcyMzEwMTFaFw0yMjAyMjcy
MzEwMTFaMBIxEDAOBgNVBAMMB0JhcnJpZXIwggEiMA0GCSqGSIb3DQEBAQUAA4IB
DwAwggEKAoIBAQCiXQLyYiIQNBfhQ7yvISYKO1W/6ZfQ+vXoegDzxlc4/yg1G4zL
+UgXY2/Geyuj40GmyEqTRedOTK6Kzj/gQKayplRlwawMed7H7iOhtMNi9o3WrK7y
...
-----END CERTIFICATE-----

Barrier Example: server and Client configuraiton

#run on host that has the keyboard and mouse attached
nohup /usr/local/bin/barriers -f --no-tray --debug INFO --name servidc-Aspire-E5-576 --enable-crypto -c /home/servidc/barrier.conf --address :24800 </dev/zero >/dev/null 2>&1 &

#run on client that you want to share keyboard and mouse with
nohup /usr/local/bin/barrierc -f --no-tray --debug INFO --name servid-hp350g1 --enable-crypto servidc-Aspire-E5-576:24800 </dev/zero >/dev/null 2>&1 &

install oh my zsh Powerlevel19k Colorize with syntax higlighting on Ubuntu

sudo apt-get update && \
sudo apt install wget curl git -y && \
sudo apt-get install zsh -y &&  \
sudo chsh -s /usr/bin/zsh servidc && \
echo $SHELL && \
sudo apt install ruby ruby-dev ruby-colorize && \
sudo gem install colorls && \
sh -c "$(curl -fsSLk https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended && \
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting && \
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions && \
wget https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/FiraCode/Bold/complete/Fira%20Code%20Bold%20Nerd%20Font%20Complete%20Mono.ttf -P ~/.local/share/fonts && \
wget https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/FiraCode/Light/complete/Fira%20Code%20Light%20Nerd%20Font%20Complete%20Mono.ttf -P ~/.local/share/fonts && \
wget https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/FiraCode/Medium/complete/Fira%20Code%20Medium%20Nerd%20Font%20Complete%20Mono.ttf -P ~/.local/share/fonts && \
wget https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/FiraCode/Regular/complete/Fira%20Code%20Regular%20Nerd%20Font%20Complete%20Mono.ttf -P ~/.local/share/fonts && \
wget https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/FiraCode/Retina/complete/Fira%20Code%20Retina%20Nerd%20Font%20Complete%20Mono.ttf -P ~/.local/share/fonts && \
wget https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/FiraCode/SemiBold/complete/Fira%20Code%20SemiBold%20Nerd%20Font%20Complete%20Mono.ttf -P ~/.local/share/fonts && \
git --version && \
git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k && \
sed -i 's/ZSH_THEME="[^"]*/ZSH_THEME="powerlevel10k\/powerlevel10k/g' .zshrc && \
cat .zshrc | grep ZSH_THEME | grep "^[^#;]" &&  \
sed -i 's/plugins=.*/plugins=(git zsh-syntax-highlighting zsh-autosuggestions ansible common-aliases docker docker-compose fabric extract web-search yum git-extras docker vagrant genpass helm kubectl lxd mvn oc nvm npm npx pip pod ubuntu ufw systemd systemadmin postgres)/g' .zshrc && \
cat .zshrc | grep plugins | grep "^[^#;]" && \
source ~/.zshrc && \
alias lc='colorls -lA --sd' ;\
echo "done"

install custom alias oh my zsh

cat >/home/servidc/.oh-my-zsh/custom/alias.zsh <<<"#
alias uuid_alias=\"cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 4 | head -n 1\"
alias date_alias=\"date '+%Y%m%d%H%M%S'\"
" && \
cat /home/servidc/.oh-my-zsh/custom/alias.zsh && \
echo "added aliases"

sudo apt-get purge \
virt-manager \
virt-viewer \
qemu-kvm \
libvirt-daemon-system \
libvirt-clients \
bridge-utils \
qemu \
libvirt-daemon-system \
libvirt-clients \
libxslt-dev \
libxml2-dev \
libvirt-dev \
zlib1g-dev \
ruby-dev \
ruby-libvirt \
ebtables \
dnsmasq-base
sudo apt autoremove

setup ubuntu 20.04 curl, node.js, java, ruby, jekyll, nvm, sdkman

install Node Npm Java Maven Ruby Jekyll

setup sshkeys for multiple github accounts

in file ~/.ssh/config

ruby,jekyll, gitpages site

install Node Npm Java Maven Ruby Jekyll

configure Git client

create public/private putty ssh keys and save to onedrive via rclone

mount onedrive via rclone ubuntu 20.04

install Chromium on Mint O.S 20.1

install chrome

install cockpit Ubuntu distributions

install SSH Ubuntu distributions

SSHFS filesharing Ubuntu and openssh server

Generate public/private SSH key pairs

setup auto-update and auto-upgrade on Ubuntu Server 20.04

install barrier from source Ubuntu

install oh my zsh Powerlevel19k Colorize with syntax higlighting on Ubuntu

install custom alias oh my zsh

CATALOG

FEATURED TAGS

FRIENDS

install Node Npm Java Maven Ruby Jekyll

setup sshkeys for multiple github accounts

in file ~/.ssh/config

ruby,jekyll, gitpages site

install Node Npm Java Maven Ruby Jekyll

configure Git client

create public/private putty ssh keys and save to onedrive via rclone

mount onedrive via rclone ubuntu 20.04

install Chromium on Mint O.S 20.1

install chrome

install cockpit Ubuntu distributions

install SSH Ubuntu distributions

SSHFS filesharing Ubuntu and openssh server

Generate public/private SSH key pairs

configure Openssh server for passwordless login

setup auto-update and auto-upgrade on Ubuntu Server 20.04

install barrier from source Ubuntu

install oh my zsh Powerlevel19k Colorize with syntax higlighting on Ubuntu

install custom alias oh my zsh

CATALOG

FEATURED TAGS

FRIENDS