wget mirror site example

 wget \
    --recursive \
    --no-clobber \
    --page-requisites \
    --html-extension \
    --convert-links \
    --restrict-file-names=windows \
    --no-parent 192.168.1.1:80/Docs/

Debian 10 install JupyterHub + Hail

 #Installing OpenJDK 8
sudo apt update
sudo apt install apt-transport-https ca-certificates wget dirmngr gnupg software-properties-common
wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | sudo apt-key add -
sudo add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/
sudo apt update
sudo apt install adoptopenjdk-8-hotspot

# install JupyterHub
apt install -y python3-pip npm
python3 -m pip install jupyterhub
npm install -g configurable-http-proxy
python3 -m pip install notebook  # needed if running the notebook servers locally

#install Hail
pip3 install hail

 

Debian 10 安裝 R Studio

wget https://download1.rstudio.org/desktop/bionic/amd64/rstudio-1.3.1093-amd64.deb
apt install  libxkbcommon-x11-0
dpkg -i rstudio-1.3.1093-amd64.deb

How to list the available package groups in Fedora/CentOS/Debian

CentOS
yum grouplist
yum groupinfo "Performance Tools"

Fedora
dnf grouplist
dnf groupinfo Editors

Debian / Ubuntu
tasksel --list-task
tasksel --task-desc "desktop"
tasksel install xfce-desktop

 

tcp-wrapper iptables 筆記

1.tcp-wrapper: Application layer
2.iptable: Transport layer
3.確認是否支援 tcp-wrapper 方法 ldd [program] | grep libwrap
4.tcp-wrapper 設定檔：/etc/hosts.allow，/etc/hosts.deny
5.tcp-wrapper 設定檔語法 daemon_list : client_list [ : shell_command ]
6.tcp-wrapper 配置規則保存後，立即生效

XFCE4 Thunar 增加壓縮/解壓縮功能

 apt install thunar-archive-plugin

Debian 10 安裝 mongodb 4.4

apt install dirmngr gnupg apt-transport-https software-properties-common ca-certificates curl wget gnupg

wget -qO - https://www.mongodb.org/static/pgp/server-4.4.asc | sudo apt-key add -

echo "deb http://repo.mongodb.org/apt/debian buster/mongodb-org/4.4 main" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list

apt-get update

apt-get install -y mongodb-org
echo "mongodb-org hold" | sudo dpkg --set-selections
echo "mongodb-org-server hold" | sudo dpkg --set-selections
echo "mongodb-org-shell hold" | sudo dpkg --set-selections
echo "mongodb-org-mongos hold" | sudo dpkg --set-selections
echo "mongodb-org-tools hold" | sudo dpkg --set-selections

移除
apt-get purge mongodb-org*
rm -r /var/log/mongodb
rm -r /var/lib/mongodb