Hello World

root@debian-lab:~# ifconfig
-bash: ifconfig: command not found
 

root@debian-lab:~# apt-get install net-tools
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following NEW packages will be installed:
  net-tools
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 250 kB of archives.
After this operation, 1,015 kB of additional disk space will be used.
Get:1 http://deb.debian.org/debian bullseye/main amd64 net-tools amd64 1.60+git20181103.0eebece-1 [250 kB]
Fetched 250 kB in 0s (1,200 kB/s)
Selecting previously unselected package net-tools.
(Reading database ... 141321 files and directories currently installed.)
Preparing to unpack .../net-tools_1.60+git20181103.0eebece-1_amd64.deb ...
Unpacking net-tools (1.60+git20181103.0eebece-1) ...
Setting up net-tools (1.60+git20181103.0eebece-1) ...
Processing triggers for man-db (2.9.4-2) ...
root@debian-lab:~# ifconfig -a
enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.0.2.11  netmask 255.255.255.0  broadcast 10.0.2.255
        inet6 fe80::a00:27ff:fec5:c7e0  prefixlen 64  scopeid 0x20<link>
        ether 08:00:27:c5:c7:e0  txqueuelen 1000  (Ethernet)
        RX packets 552  bytes 292300 (285.4 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 318  bytes 40747 (39.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 27  bytes 2725 (2.6 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 27  bytes 2725 (2.6 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0