I'm doing a project for a class, and I keep running into an issue. The professor and tutor are unable to help. I entered the following commands to install snort onto Ubuntu: (DAQ was already installed)

sudo apt-get install libluajit-5.1-2 libluajit-5.1-common libluajit-5.1-dev luajit
sudo apt-get install libdumbnet-dev
wget https://www.snort.org/downloads/snort/snort-2.9.12.tar.gz
tar xvzf snort-2.9.12.tar.gz
cd snort-2.9.12
./configure --enable-sourcefire --disable-open-appid
sudo checkinstall
sudo dpkg -i snort_2.9.12-1_amd64.deb
sudo ln -s /usr/local/bin/snort /usr/sbin/snort
sudo ldconfig -v
snort -V # used to test snort
cd -

I then downloaded the snort rules snapshot, and ran the following commands:

cd Downloads
sudo mkdir -p /etc/snort
sudo tar -xvzf snortrules-snapshot-29110.tar.gz –C /etc/snort/
sudo touch /etc/snort/rules/white_list.rules
sudo touch /etc/snort/rules/black_list.rules
sudo mkdir /usr/local/lib/snort_dynmicrules
sudo mv /etc/snort/etc/* etc/snort 

but when I enter the last command sudo mv /etc/snort/etc/* etc/snort, I get the following error message:

mv: target 'etc/snort' is not a directory
  • Did you mean sudo mv /etc/snort/etc/* /etc/snort? Your command line is missing the leading slash there… – dessert Jan 20 '19 at 21:53
  • And have you checked? It there a directory named etc in the current directory? Does it contain a directory named snort? If not, why would you expect the mv command to work? – AlexP Jan 20 '19 at 21:54
  • 1
    I'm sorry, but what was wrong with installing Snort from universe repository as simple as sudo apt install snort? – N0rbert Jan 20 '19 at 22:03
  • @N0rbert This repo has v2.9.7 even for Cosmic while OP tries to install v2.9.12. The differences are not trivial, see the changelog. – dessert Jan 20 '19 at 22:45

The last command is incorrect. You are getting the mv: target 'etc/snort' is not a directory error message because etc/snort is not a directory, but /etc/snort is a directory. The last command should be:

sudo mv /etc/snort/etc/* /etc/snort

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