Adding iproute to requirements

Author: ArneTR

content/en/docs/installation/installation-linux.md

@@ -37,7 +37,7 @@ Also we trigger a `apt-upgrade`. If you do not want that upgrade or a different
 ```bash
 sudo apt update && \
 sudo apt upgrade -y && \
-sudo apt install -y curl git make gcc python3 python3-pip python3-venv && \
+sudo apt install -y curl git make gcc python3 python3-pip python3-venv iproute2 && \
 git clone https://github.com/green-coding-solutions/green-metrics-tool ~/green-metrics-tool && \
 cd ~/green-metrics-tool
 
@@ -48,7 +48,7 @@ cd ~/green-metrics-tool
 
 ```bash
 sudo dnf upgrade -y && \
-sudo dnf install -y curl git make gcc python3 python3-devel && \
+sudo dnf install -y curl git make gcc python3 python3-devel iproute && \
 git clone https://github.com/green-coding-solutions/green-metrics-tool ~/green-metrics-tool && \
 cd ~/green-metrics-tool
 ```