update

.gitignore

@@ -1 +1,2 @@
+.DS_Store
 shared/*

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "solarized"]
+	path = solarized
+	url = [email protected]:altercation/solarized.git

Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:xenial
 
 ARG DEBIAN_FRONTEND=noninteractive
 ARG INSTALL_PACKAGES="\
@@ -16,8 +16,6 @@ ARG INSTALL_PACKAGES="\
 	openssh-server \
 	iputils-ping \
 	libnet-ifconfig-wrapper-perl \
-	linux-image-extra-4.8.0-36-generic \
-	linux-image-extra-virtual \
 	apt-transport-https \
 	ca-certificates \
 	software-properties-common \
@@ -32,28 +30,29 @@ ARG INSTALL_PACKAGES="\
 ARG TERM=xterm-256color
 VOLUME /shared
 WORKDIR /root
-EXPOSE 22 80 8080 1080 8000
+EXPOSE 22
 
-COPY sources.list /etc/apt/sources.list
-RUN apt-get update && \
-	apt-get install -y --no-install-recommends apt-utils && \
-	apt-get install -y $INSTALL_PACKAGES && \
-	apt-get upgrade -y && \
-	curl -fsSL https://yum.dockerproject.org/gpg | apt-key add -  && \
-	add-apt-repository \
-       "deb https://apt.dockerproject.org/repo/ \
-       ubuntu-$(lsb_release -cs) \
-       main" && \
-    apt-get update && \
-    apt-get -y install docker-engine && \
-	sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"; \
+RUN apt-get update \
+	&& apt-get install -y --no-install-recommends apt-utils \
+	&& apt-get install -y $INSTALL_PACKAGES
+RUN apt-get update \
+	&& apt-get install linux-image-extra-$(uname -r) linux-image-extra-virtual \
+	&& curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - \
+	&& add-apt-repository \
+   		"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
+   		$(lsb_release -cs) \
+   		stable" \
+	&& apt-get update \
+	&& apt-get install docker-ce
+RUN sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"; \
 	chsh -s /bin/zsh
 
+COPY zshrc /root/.zshrc
+
 COPY dircolors /root/.dircolors
-RUN	dircolors -b ~/.dircolors >> ~/.zshrc
+RUN dircolors -b /root/.dircolors > /root/.dircolors_source
 
-COPY zshrc /root/.zshrc
-COPY robbyrussell.zsh-theme /root/.oh-my-zsh/themes/robbyrussell.zsh-theme
+COPY dubuntu.zsh-theme /root/.oh-my-zsh/custom/dubuntu.zsh-theme
 COPY authorized_keys /root/.ssh/authorized_keys
 COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf
 COPY entrypoint.sh /entrypoint.sh

authorized_keys

@@ -1 +1,2 @@
-ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDWyZIejjXBX21Ujxq46X2OAU22wDNAUiVPAyNsiRWt/5J1klsLJui5b3Zpaxs+lSimWJCG0smi/BpytusR3fgagprRy4ymQRHWJLmcZJ1oo2D6PZ/HggXis0Tew8ERfnUgyNs/yzUteSrYXHzoyFFg76MZLwBz9J/q6zT43mtgXTjcfOFfKfHb4QgWpS63T3ExtnWw13W4kuXTElRwj0EF5DOyWqEe78VTuSDlxCQsVpfDdrOk4vk6iEH8qw4QaQphJwcjUpsUo+4IOIKghsEIZplJiCfkV9WInK+HqrX/a1vacrH9my/FsGk0Is9I1Oy0KYbL0IQ72EX6SQjWFxPV
+ssh-rsa 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
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQDs3i/94fmsCzj+kvsvihuf/c64qJ9lzmYperGSThWEh8fziqD+9UO+QasHfrrLfbo84xpfDkqXEZ1Hnnllj3Fcaa8Q2hOQK45SHEcGGo8DDaMpo1Jn5J2kDgCtHehnDqv1kgkJlcrh2FWMg3toJZVt3r+5HH/sDdkRi0jh8p5C3NNUklrUdQ1q4tyItYOKbC5OH4kpem2OikjaacDZbm5k7BbG/nAFIKpPSLQUnREWe8m/Hq7MwTp5yEDoD3Hes2/7GycN3XRoJ5o+hGICqklOUtmbvMr+/9c323SjlaH2V0hBXjuYQ0uSsmGigsC+izt2XIq1K6v+VEhMkAOAnJs/7KxY/be1/ez3YkxFjvfjUdfiZAN12mrQ2L9KQN9VtTq4B8b7dSteM2LAVu/kRqK3aSBhy8rvmt3D/xQwtDT+/vufEexlcqQZdysexdS1wV58oVDTtTojHaNpymKVGDhHCnbL7LDfa966o5u/sh7ONvfbuNCHEsXNfECMc+chC9T9/fLb6iyNZpPT3s/gdePDhP2i0l8UyAFmc+yroUiXcqkq5JBCRJFDuQwLrO71tNn4fIl7m8gu/JciqI4JZOU4Uppj2t/WMHmk51llOX5x2bMqWFLPXefSNtuUNraBFEcYGEBG7w7zGiE8C9QOVxJCfC0K0CeXMDqMMiwTW7ujjQ==

run.sh → build.sh

@@ -1,4 +1,3 @@
 #!/usr/bin/env bash
 
 docker-compose build --force-rm
-docker-compose up -d 

docker-compose.yaml

@@ -2,10 +2,10 @@ version: "3"
 services:
   dubuntu:
     build: .
-    image: dubuntu
+    image: 4oranges/dubuntu
     container_name: dubuntu
     ports:
     - 127.0.0.1:22:22
     volumes:
     - ./shared:/shared
-    privileged: true
+    privileged: true

robbyrussell.zsh-theme → dubuntu.zsh-theme

@@ -1,7 +1,7 @@
 local ret_status="%(?:%{$fg_bold[green]%}➜ :%{$fg_bold[red]%}➜ )"
-PROMPT='%{$FG[088]%}[Dubuntu]%{$reset_color%} ${ret_status} %{$fg[cyan]%}%c%{$reset_color%} $(git_prompt_info)'
+PROMPT='%{$FG[012]%}[Dubuntu]%{$reset_color%}${ret_status} %{$fg[cyan]%}%c%{$reset_color%} $(git_prompt_info)'
 
 ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[blue]%}git:(%{$fg[red]%}"
 ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%} "
 ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[blue]%}) %{$fg[yellow]%}✗"
-ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[blue]%})"
+ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[blue]%})"

entrypoint.sh

@@ -1,4 +1,16 @@
 #!/bin/bash
 
 mkdir /var/run/sshd
-/usr/bin/supervisord
+mkdir -p /shared
+
+if [ -f /shared/sources.list ]; then ln -sf /shared/sources.list /etc/apt/sources.list; fi
+if [ -f /shared/resolv.conf ]; then ln -sf /shared/resolv.conf /etc/resolv.conf; fi
+if [ -f /shared/authorized_keys ]; then
+	mkdir -p /root/.ssh
+	ln -sf /shared/authorized_keys /root/.ssh/authorized_keys
+	chmod 644 /root/.ssh/authorized_keys
+fi
+if [ -f /shared/dircolors ]; then dircolors -b /shared/dircolors > /root/.dircolors_source; fi
+
+
+/usr/bin/supervisord

shared/README.md

@@ -1,3 +1,14 @@
 # Shared Content Directory
 
-This folder is shared among vms, and mounted at `/shared`.
+This folder is shared among vms, and mount at `/shared`.
+
+## Additional controls to the VM
+Put a file with specific name in this directory to override corresponding settings in VM. 
+All file overriding is in symbol linking.
+
+Available config files:
+- `sources.list`: override `/etc/apt/sources.list` in VM.
+- `resolv.conf`: override `/etc/resolv.conf` in VM.
+- `authorized_keys`: override `/root/.ssh/authorized_keys` in VM.
+- `dircolors`: override color mapping of the inside console.
+- `profile`: addition `zsh` startup source script.

start.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+docker-compose up -d

zshrc

@@ -1,94 +1,39 @@
+#!/usr/bin/env zsh
 # load bashrc
 alias shopt="echo unsupported bash command: shopt "
 if [ -f ~/.bashrc ]; then
     . ~/.bashrc
 fi
 
-# If you come from bash you might have to change your $PATH.
-# export PATH=$HOME/bin:/usr/local/bin:$PATH
-
-# Path to your oh-my-zsh installation.
 export ZSH=/root/.oh-my-zsh
-
-# Set name of the theme to load. Optionally, if you set this to "random"
-# it'll load a random theme each time that oh-my-zsh is loaded.
-# See https://github.com/robbyrussell/oh-my-zsh/wiki/Themes
-ZSH_THEME="robbyrussell"
-
-# Uncomment the following line to use case-sensitive completion.
-# CASE_SENSITIVE="true"
-
-# Uncomment the following line to use hyphen-insensitive completion. Case
-# sensitive completion must be off. _ and - will be interchangeable.
-# HYPHEN_INSENSITIVE="true"
-
-# Uncomment the following line to disable bi-weekly auto-update checks.
-# DISABLE_AUTO_UPDATE="true"
-
-# Uncomment the following line to change how often to auto-update (in days).
-# export UPDATE_ZSH_DAYS=13
-
-# Uncomment the following line to disable colors in ls.
-# DISABLE_LS_COLORS="true"
-
-# Uncomment the following line to disable auto-setting terminal title.
-# DISABLE_AUTO_TITLE="true"
-
-# Uncomment the following line to enable command auto-correction.
-# ENABLE_CORRECTION="true"
-
-# Uncomment the following line to display red dots whilst waiting for completion.
-# COMPLETION_WAITING_DOTS="true"
-
-# Uncomment the following line if you want to disable marking untracked files
-# under VCS as dirty. This makes repository status check for large repositories
-# much, much faster.
-# DISABLE_UNTRACKED_FILES_DIRTY="true"
-
-# Uncomment the following line if you want to change the command execution time
-# stamp shown in the history command output.
-# The optional three formats: "mm/dd/yyyy"|"dd.mm.yyyy"|"yyyy-mm-dd"
-# HIST_STAMPS="mm/dd/yyyy"
-
-# Would you like to use another custom folder than $ZSH/custom?
-# ZSH_CUSTOM=/path/to/new-custom-folder
-
-# Which plugins would you like to load? (plugins can be found in ~/.oh-my-zsh/plugins/*)
-# Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/
-# Example format: plugins=(rails git textmate ruby lighthouse)
-# Add wisely, as too many plugins slow down shell startup.
-plugins=(git docker)
-
+export EDITOR=vim
+ZSH_THEME="dubuntu"
+plugins=(git git_remote_branch encode64 sudo docker docker-compose command-not-found debian systemd common-aliases dirhistory jsontools pip python screen urltools)
 source $ZSH/oh-my-zsh.sh
 
-# User configuration
-
-# export MANPATH="/usr/local/man:$MANPATH"
-
-# You may need to manually set your language environment
-# export LANG=en_US.UTF-8
-
-# Preferred editor for local and remote sessions
-# if [[ -n $SSH_CONNECTION ]]; then
-#   export EDITOR='vim'
-# else
-#   export EDITOR='mvim'
-# fi
-
-# Compilation flags
-# export ARCHFLAGS="-arch x86_64"
-
-# ssh
-# export SSH_KEY_PATH="~/.ssh/rsa_id"
-
-# Set personal aliases, overriding those provided by oh-my-zsh libs,
-# plugins, and themes. Aliases can be placed here, though oh-my-zsh
-# users are encouraged to define aliases within the ZSH_CUSTOM folder.
-# For a full list of active aliases, run `alias`.
-#
-# Example aliases
-# alias zshconfig="mate ~/.zshrc"
-# alias ohmyzsh="mate ~/.oh-my-zsh"
+alias ls='ls -pGC'
+alias dc='docker-compose'
+alias count-cpp="git ls-files | grep -E '(\.cpp)|(\.h)$' | xargs wc -l"
+alias count-c="git ls-files | grep -E '(\.c)|(\.h)$' | xargs wc -l"
+alias ipt='iptables'
+alias drd='docker rmi $(docker images -q -f dangling=true)'
+ipl() {
+    local stack=""
+    iptables -L --line-numbers -nv $@ | while read line; do
+        if [ ! "$(echo $line | awk '{ print $1 }')" = "Chain" ]; then
+            stack="$stack\n$line"
+        else
+            if [ -n $stack ]; then
+                print $stack | column -t
+                stack=""
+            fi
+            echo $line
+        fi
+    done
+    if [ -n $stack ]; then
+        print $stack # | column -t
+    fi
+}
 
 # Fix numeric keypad
 # 0 . Enter
@@ -112,3 +57,6 @@ bindkey -s "^[Ol" "+"
 bindkey -s "^[Om" "-"
 bindkey -s "^[Oj" "*"
 bindkey -s "^[Oo" "/"
+
+source /root/.dircolors_source
+if [ -f /shared/profile ]; then source /shared/profile; fi