linux - check debian version

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hostnamectl


# Example output:
#
#        Static hostname: my-pc
#              Icon name: computer-vm
#                Chassis: vm
#             Machine ID: 344769088453c364f43ab88d97d23621
#                Boot ID: d4d59b3c3cb294350f10db0792ec4952
#         Virtualization: kvm
#       Operating System: Debian GNU/Linux 10 (buster)
#                 Kernel: Linux 4.19.0-9-cloud-amd64
#           Architecture: x86-64

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cat /etc/issue


# Example output:
#
#     Debian GNU/Linux 10 \n \l

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cat /etc/os-release


# Example output:
#
#     PRETTY_NAME="Debian GNU/Linux 10 (buster)"
#     NAME="Debian GNU/Linux"
#     VERSION_ID="10"
#     VERSION="10 (buster)"
#     VERSION_CODENAME=buster
#     ID=debian
#     HOME_URL="https://www.debian.org/"
#     SUPPORT_URL="https://www.debian.org/support"
#     BUG_REPORT_URL="https://bugs.debian.org/"

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lsb_release -crid


# Example output:
#
#     PRETTY_NAME="Debian GNU/Linux 10 (buster)"
#     NAME="Debian GNU/Linux"
#     VERSION_ID="10"
#     VERSION="10 (buster)"
#     VERSION_CODENAME=buster
#     ID=debian
#     HOME_URL="https://www.debian.org/"
#     SUPPORT_URL="https://www.debian.org/support"
#     BUG_REPORT_URL="https://bugs.debian.org/"
#     nazwaYPh2u1hGkQ@server168193:~$ cat /etc/issue^C
#     nazwaYPh2u1hGkQ@server168193:~$ lsb_release -crid
#     Distributor ID: Debian
#     Description:    Debian GNU/Linux 10 (buster)
#     Release:        10
#     Codename:       buster