lsb_release -a
root@ubuntu:/etc/apt# apt-get install lsb-core
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package lsb-core is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'lsb-core' has no installation candidate
root@ubuntu:/etc/apt#
root@ubuntu:/etc/apt#
root@ubuntu:/etc/apt# lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 9 (stretch)
Release: 9
Codename: stretch
cat /etc/os-release
root@ubuntu:/etc/apt# cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 9 (stretch)"
NAME="Debian GNU/Linux"
VERSION_ID="9"
VERSION="9 (stretch)"
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"
