issue-1

Dockerfile

@@ -1,5 +1,8 @@
 FROM debian:latest
 
+ENV LANG C.UTF-8
+ENV LC_ALL C.UTF-8
+
 COPY config/profile.sh /etc/profile.d/profile.sh
 COPY config/profile.sh /root/.bashrc
 COPY config/profile.sh /root/.bash_profile
@@ -13,13 +16,16 @@ RUN apt-get update &&\
         nano \
         less \
         gdb \
+        wget \
+        ca-certificates \
         openssh-server \
         file \
         valgrind -y &&\
     apt-get update
 
 COPY config/ssh_config /etc/ssh/ssh_config
 COPY config/sshd_config /etc/ssh/sshd_config
+COPY config/vimconfig /etc/vim/vimrc.local
 
 COPY config/entrypoint.sh /usr/local/bin/entrypoint.sh
 

README.md

@@ -82,3 +82,11 @@ Combining all together can look like
 ```
 $ docker run --name progtest -td -p 2222:22 -v <HOST_OS_LOCATION>/data:/root/data jmeinlschmidt/progtest:latest <SSH_USERNAME> <SSH_PASSWORD>
 ```
+
+## Vim
+
+`vim` is displaying white-space characters by default.
+
+In order to disable
+- temporarily by executing `:set nolist`
+- or permanently by uncommenting `"set nolist` in `~/.vimrc`

config/entrypoint.sh

@@ -1,6 +1,11 @@
 #!/bin/bash
 set -e
 
+# Entrypoint get executed at any launch of the container
+
+# Create .vimrc if doesn't exist (important config is stored globally in /etc/vim/vimrc.local)
+[[ -e /root/.vimrc ]] || echo "\"set nolist" >/root/.vimrc
+
 if getent passwd "$1" >/dev/null 2>&1; then
     printf "\n\033[0;44m---> User already exists\033[0m\n"
 else
@@ -17,6 +22,9 @@ else
     echo "$1 ALL=NOPASSWD:/usr/sbin/deluser" >> /etc/sudoers
     echo "$1 ALL=NOPASSWD:/usr/sbin/chpasswd" >> /etc/sudoers
     echo "$1 ALL=NOPASSWD:/bin/bash" >> /etc/sudoers
+
+    # Create .vimrc if doesn't exist
+    [[ -e /home/$1/.vimrc ]] || echo "\"set nolist" >/home/$1/.vimrc
 fi
 
 printf "\n\033[0;44m---> Starting the SSH server.\033[0m\n"

config/profile.sh

@@ -2,7 +2,7 @@
 export PS1='\[\e[0;33m\]\u\[\e[0m\]@\[\e[0;32m\]\h\[\e[0m\]:\[\e[0;34m\]\w\[\e[0m\]\$ '
 
 export LS_OPTIONS='--color=auto'
-eval "`dircolors`"
+# eval "`dircolors`"
 alias ls='ls $LS_OPTIONS'
 alias ll='ls $LS_OPTIONS -l'
 alias l='ls $LS_OPTIONS -lA'

config/vimconfig

@@ -0,0 +1,8 @@
+syntax on
+colorscheme desert
+set number
+
+set listchars=eol:¬,tab:>.,trail:~,extends:>,precedes:<,space:␣
+set list
+
+set tabstop=4