You chosen a command shell and spent months to stuffed it with shortcuts and colors. But when you move from local to remote host using ssh you lose it all. The mission of xxh is to bring your favorite shell wherever you go through the ssh.

No installations or root access on the host required.

If you like the idea of xxh click ⭐ on the repo and spread the word.

Installation methods

PyPi 3

pip3 install -U xxh-xxh

Linux portable binary

mkdir ~/xxh && cd ~/xxh
wget https://github.com/xxh/xxh-portable/raw/master/result/xxh-portable-musl-alpine-Linux-x86_64.tar.gz
tar -xzf xxh-portable-musl-alpine-Linux-x86_64.tar.gz
./xxh

AppImage

mkdir ~/xxh && cd ~/xxh
wget -O xxh https://github.com/xxh/xxh-appimage/releases/download/continuous/xxh-release-x86_64.AppImage
chmod +x xxh && ./xxh

To use seamless mode run ./xxh ++extract-sourcing-files to extract xxh.*sh files to the current directory then run source xxh.zsh myhost command for seamless connecting.

Shells

Currently supported OS is Linux on x86_64.

xxh-shell	status	seamless	plugins	demo
xonsh-appimage	stable	xxh.xsh	pipeliner, bar, autojump, [+]
zsh	stable	xxh.zsh	ohmyzsh, p10k, [+]
fish	stable	todo	ohmyfish, fisher, userconfig, [+]
bash-zero	prestable	xxh.bash	ohmybash, [+]
osquery	beta
fish-appimage	alpha

Search xxh shell on Github or Bitbucket or create your shell entrypoint to use another portable shell.

Usage

xxh

Use xxh as replace ssh to connecting to the host without changing ssh arguments:

xxh <host from ~/.ssh/config>
xxh [ssh arguments] [user@]host[:port] [xxh arguments]

Common examples (use xxh --help to get info about arguments):

xxh myhost                                       # connect to the host
xxh -i id_rsa -p 2222 myhost                     # using ssh arguments: port and key
xxh myhost +s zsh                                # set the shell
xxh myhost +s xonsh-appimage +hhh "~"            # set /home/user as home directory (read Q&A)
xxh myhost +s bash-zero +I xxh-plugin-bash-vim   # preinstall the plugin
xxh myhost +if +q                                # install without questions in quiet mode
xxh myhost +hh /tmp/xxh +hhr                     # upload xxh to /tmp/xxh and remove when disconnect 
source xxh.zsh myhost +I xxh-plugin-zsh-ohmyzsh  # connect in seamless mode with ohmyzsh plugin

To reusing arguments there is ~/.config/xxh/config.xxhc config file in YAML format:

hosts:
  ".*":                       # for all hosts
    +s: xxh-shell-fish          # use fish shell

  myhost:                     # settings for myhost
    -p: 2222                    # set special port
    +s: xxh-shell-zsh           # use zsh shell                         
    +I:                         # install xxh packages (if not installed)
      - xxh-shell-zsh             # install xxh-shell
      - xxh-plugin-zsh-ohmyzsh    # install xxh-plugin
    +e:                         # set simple environment variables
      - ZSH_THEME="clean"         # set ohmyzsh theme
      - MYENV="hello world"       # another environment variable
    +hhh: "~"                   # set /home/user as home directory

  "company-.*":               # for all hosts by regex pattern
    +if:                        # don't asking about install
    +s: xonsh-appimage          # use xonsh shell
    +hh: /tmp/.xxh              # use special xxh home directory
    +hhr:                       # remove host xxh home after disconnect
    +I: xxh-plugin-prerun-mc    # midnight commander (mc) config as prerun xxh plugin

The arguments will be automatically added when you run xxh myhost or xxh company-server1. If you add +I arguments with appropriate xxh packages you can make your config file complete and simplify the usage command to xxh myhost.

Install xxh packages

xxh [+I xxh-package ...] [+L] [+RI xxh-package ...] [+R xxh-package ...]

Different ways to set the xxh package source:

xxh +I xxh-shell-example                                         # install from https://github.com/xxh
xxh +I https://github.com/xxh/xxh-shell-example                  # short url for github only, for other sources use examples below or add support
xxh +I https://github.com/xxh/xxh-shell-example/tree/mybranch    # short url for github only, for other sources use examples below or add support
xxh +I xxh-shell-example+git+https://github.com/xxh/xxh-shell-example                 # install from any git repo
xxh +I xxh-shell-example+git+https://github.com/xxh/xxh-shell-example/tree/mybranch   # install from git branch
xxh +I xxh-shell-example+path+/home/user/my-xxh-dev/xxh-shell-example                 # install from local path

The ideas behind xxh

Portable. By default building occurs locally and then xxh uploads the result to host. No installations or root access on the host required. The security and careful about environment on the host are behind it.

Careful. No blindfold copying config files from local to remote host. The privacy and repeatability reasons are behind it. Every xxh package, shell or plugin is the bridge that use only what required, no more.

Hermetic. If you delete ~/.xxh directory from the remote host then xxh has never been on the host. If files appears outside xxh home directory feel free to report about this cases.

Fork-ready. Every repo could be forked, customized and used without waiting of package management system, xxh releases or any third party.

Do more. The xxh packages are not only about shells. Any type of tool or code could be behind "shell entrypoint". If you want to play Super Mario on the remote host just put it as entrypoint.

Be open. Currently supported five shells and the count could be grow by community.

Examples of use cases

Python everywhere with xonsh

When you run xxh myhost +s xonsh-appimage you'll get portable python, pip and python-powered shell on the host without any system installations on the host. Add plugins: autojump saves time, pipeliner manipulates lines and bar looks nice.

Put the cozy configs to xxh session

For example there is xxh-plugin-prerun-mc which creates Midnight Commander (mc) config when you go to the host using xxh. You can fork it and create your cozy settings for mc once and forever.

Oh My Zsh seamless SSH (demo)

source xxh.zsh myhost +I xxh-plugin-zsh-ohmyzsh +if +q 

This command brings your current Oh My Zsh session theme to the xxh session. If you need more complex settings just fork the xxh-plugin-zsh-ohmyzsh and hack it.

Read host as a table with osquery

$ xxh myhost +s osquery
osquery> SELECT * FROM users WHERE username='news';
+-----+-----+----------+-------------+-----------------+-------------------+
| uid | gid | username | description | directory       | shell             |
+-----+-----+----------+-------------+-----------------+-------------------+
| 9   | 9   | news     | news        | /var/spool/news | /usr/sbin/nologin |
+-----+-----+----------+-------------+-----------------+-------------------+

All in one portable home

The xxh is very agile. You can create your own xxh-shell (shell word means it has entrypoint) which has any portable tools that you could help you on the host. Bash-zero xxh-shell is one of this platforms that could be forked and stuffed.

Questions and answers

If you have a question first of all review the wiki and if there is no answer ask the question.

Development

In the xxh-dev repo there is full dockerised environment for development, testing and contribution. The process of testing and development is orchestrated by xde tool and as easy as possible.

We have teams. If you're in team it does not oblige to do something. The main goal of teams is to create group of passionate people who could help or support in complex questions. Some people could be expert in one shell and newbie in another shell and mutual assistance is the key to xxh evolution. Ask join.

Thanks

• niess for great linuxdeploy-plugin-python
• probonopd and TheAssassin for hard-working AppImage
• Roman Perepelitsa for incredible statically-linked, hermetic, relocatable Zsh
• Anthony Scopatz, Gil Forsyth, Jamie Bliss, David Strobach, Morten Enemark Lund and @xore for amazing xonsh shell