diff --git a/containers/debian-sandbox/Dockerfile b/containers/debian-sandbox/Dockerfile
index ff03211..e1e332d 100644
--- a/containers/debian-sandbox/Dockerfile
+++ b/containers/debian-sandbox/Dockerfile
@@ -4,47 +4,28 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends \
     bash \
     screen \
-    tree \
-    ncat \
     git\
     wget\
     zip \
     unzip \
     tar \
-    xz-utils \
-    jq \
-    lsof \
-    strace \
     man \
     manpages \
-    python3-venv \
-    build-essential \
     nmap \
-    tcpdump \
-    iproute2 \
-    netcat \
-    socat \
-    whois \
-    traceroute \
     curl \
     vim \
     nano \
     dnsutils \
     iputils-ping \
     net-tools \
-    procps \
     ca-certificates \
     sudo \
-    python3 \
-    python3-pip \
-    nodejs \
-    npm && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 RUN useradd -ms /bin/bash debian && \
     usermod -aG sudo debian && \
     echo 'debian ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
-RUN echo 'PS1="\u@sandbox:\w\$ "' >> /home/debian/.bashrc
+RUN echo 'PS1="\u@sum:\w\$ "' >> /home/debian/.bashrc
 SHELL ["/bin/bash", "-c"]
 WORKDIR /home/debian
 USER debian