erachell@vm12c02v01:~$ sudo nmap -O -v -sV 192.168.1.2
[sudo] password for erachell:

Starting Nmap 5.21 ( http://nmap.org ) at 2020-02-25 18:15 CST
NSE: Loaded 4 scripts for scanning.
Initiating ARP Ping Scan at 18:15
Scanning 192.168.1.2 [1 port]
Completed ARP Ping Scan at 18:15, 0.00s elapsed (1 total hosts)
mass_dns: warning: Unable to determine any DNS servers. Reverse DNS is disabled. Try using --system-dns or specify valid servers with --dns-servers
Initiating SYN Stealth Scan at 18:15
Scanning 192.168.1.2 [1000 ports]
Discovered open port 22/tcp on 192.168.1.2
Discovered open port 80/tcp on 192.168.1.2
Discovered open port 445/tcp on 192.168.1.2
Completed SYN Stealth Scan at 18:15, 0.02s elapsed (1000 total ports)
Initiating Service scan at 18:15
Scanning 3 services on 192.168.1.2
Completed Service scan at 18:15, 6.01s elapsed (3 services on 1 host)
Initiating OS detection (try #1) against 192.168.1.2
Retrying OS detection (try #2) against 192.168.1.2
Retrying OS detection (try #3) against 192.168.1.2
Retrying OS detection (try #4) against 192.168.1.2
Retrying OS detection (try #5) against 192.168.1.2
NSE: Script scanning 192.168.1.2.
NSE: Script Scanning completed.
Nmap scan report for 192.168.1.2
Host is up (0.00039s latency).
Not shown: 997 closed ports
PORT    STATE SERVICE      VERSION
22/tcp  open  ssh          OpenSSH 5.9p1 Debian 5ubuntu1.4 (protocol 2.0)
80/tcp  open  http         Apache httpd 2.2.22 ((Ubuntu))
445/tcp open  microsoft-ds Microsoft Windows XP microsoft-ds
MAC Address: 54:01:0C:02:02:00 (Unknown)
No exact OS matches for host (If you know what OS is running on it, see http://nmap.org/submit/ ).
TCP/IP fingerprint:
OS:SCAN(V=5.21%D=2/25%OT=22%CT=1%CU=39933%PV=Y%DS=1%DC=D%G=Y%M=54010C%TM=5E
OS:55B8B4%P=i686-pc-linux-gnu)SEQ(SP=105%GCD=1%ISR=10D%TI=Z%CI=I%II=I%TS=8)
OS:OPS(O1=M5B4ST11NW7%O2=M5B4ST11NW7%O3=M5B4NNT11NW7%O4=M5B4ST11NW7%O5=M5B4
OS:ST11NW7%O6=M5B4ST11)WIN(W1=3890%W2=3890%W3=3890%W4=3890%W5=3890%W6=3890)
OS:ECN(R=Y%DF=Y%T=40%W=3908%O=M5B4NNSNW7%CC=Y%Q=)T1(R=Y%DF=Y%T=40%S=O%A=S+%
OS:F=AS%RD=0%Q=)T2(R=N)T3(R=N)T4(R=Y%DF=Y%T=40%W=0%S=A%A=Z%F=R%O=%RD=0%Q=)T
OS:5(R=Y%DF=Y%T=40%W=0%S=Z%A=S+%F=AR%O=%RD=0%Q=)T6(R=Y%DF=Y%T=40%W=0%S=A%A=
OS:Z%F=R%O=%RD=0%Q=)T7(R=Y%DF=Y%T=40%W=0%S=Z%A=S+%F=AR%O=%RD=0%Q=)U1(R=Y%DF
OS:=N%T=40%IPL=164%UN=0%RIPL=G%RID=G%RIPCK=G%RUCK=G%RUD=G)IE(R=Y%DFI=N%T=40
OS:%CD=S)

Uptime guess: 0.038 days (since Tue Feb 25 17:21:05 2020)
Network Distance: 1 hop
TCP Sequence Prediction: Difficulty=261 (Good luck!)
IP ID Sequence Generation: All zeros
Service Info: OSs: Linux, Windows

Read data files from: /usr/share/nmap
OS and Service detection performed. Please report any incorrect results at http://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 17.68 seconds
           Raw packets sent: 1111 (52.932KB) | Rcvd: 1071 (46.304KB)