Setup - Kali Linux

Create Install Setup

Create a bootable USB from Kali linux

https://www.kali.org/docs/usb/kali-linux-live-usb-install/

Use default partition (single partition and swap around same as memory)

GUI install works fine. Default options

Account Setup

Create a local account that does not match in name the SOE LDAP. E.g: jrenau vs renau

Basic Setup

SSH Server (not for laptop, just desktop and servers)

apt-get install openssh-server
systemctl enable ssh.service
systemctl start  ssh.service

Get the time in sync with NTP

systemctl enable ntp.service
systemctl start  ntp.service

Firewall Setup

Setup the firewall:

apt-get install ufw
ufw default deny
ufw reject auth
ufw limit ssh/tcp
ufw logging off

The next line is only needed the first time you install the package.

ufw enable

Follow it by enabling ufw with systemctl.

systemctl enable ufw.service

Finally, query the rules being applied via the status command.

ufw status

Determinism for QEMU/ESESC

mmap problem for qemu

echo "vm.mmap_min_addr = 4096"             >>/etc/sysctl.d/10-esesc.conf
echo "fs.inotify.max_user_watches = 65535" >>/etc/sysctl.d/10-esesc.conf
echo "kernel.randomize_va_space = 0"       >>/etc/sysctl.d/10-esesc.conf

restart sysctl or wait for reboot

systemctl restart systemd-sysctl.service

Get Basic Packages

Go to a Kali Linux machine (mada4?), dump the packages installed

dpkg --get-selections | grep -v deinstall > installed_packages.txt

Go to your new machine, and install the missing packages

dpkg --set-selections < installed_packages.txt