Download .deb with dependencies

Good for offline install.

Bash

PACKAGES="python2"
apt-get download $(apt-cache depends --recurse --no-recommends --no-suggests \
  --no-conflicts --no-breaks --no-replaces --no-enhances \
  ${PACKAGES} | grep "^\w" | grep -v "i386")

With no-pre-depends

Bash

PACKAGES="mysql-server-8.0"
apt-get download $(apt-cache depends --recurse --no-recommends --no-suggests \
  --no-conflicts --no-breaks --no-replaces --no-enhances \
  --no-pre-depends ${PACKAGES} | grep "^\w" | grep -v "i386")

Both amd64 and i386

Bash

PACKAGES="mysql-server-8.0"
apt-get download $(apt-cache depends --recurse --no-recommends --no-suggests \
  --no-conflicts --no-breaks --no-replaces --no-enhances \
  --no-pre-depends ${PACKAGES} | grep "^\w")

If you only need specific package (without dependencies)

Bash

aptitude clean
aptitude --download-only install <your_package_here>
cp /var/cache/apt/archives/*.deb <your_directory_here>

RHEL - Download .rpm using yum

You need:

Bash

yum install yum-utils

Download:

Bash

yumdownloader <package>