私はこれに非常に非常に新しく、頭の上にいます。光沢のあるダッシュボードをホストするために、VM仮想ボックスでUbuntuをホストしています。それはすべて機能していましたが、今では仮想ボックス内で突然インターネットにアクセスできないため、ダッシュボードをホストしていません。理由を知っています。
以下にいくつかの出力を示しますが、さらに情報が必要な場合や他の情報が必要な場合はお知らせください。 NAT接続を使用しています。これはすべて会社のコンピューター上にあるため、できること(ルーターのリセットなど)に制限されています。
コード:
$ ifconfig
enp0s3 Link encap:Ethernet HWaddr 08:00:27:64:dc:b0
inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0
inet6 addr: fe80::a00:27ff:fe64:dcb0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:43 errors:0 dropped:0 overruns:0 frame:0
TX packets:166 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4911 (4.9 KB) TX bytes:16737 (16.7 KB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:4 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:240 (240.0 B) TX bytes:240 (240.0 B)
コード:
$ ping -c 5 10.0.2.15
PING 10.0.2.15 (10.0.2.15) 56(84) bytes of data.
64 bytes from 10.0.2.15: icmp_seq=1 ttl=64 time=0.039 ms
64 bytes from 10.0.2.15: icmp_seq=2 ttl=64 time=0.033 ms
64 bytes from 10.0.2.15: icmp_seq=3 ttl=64 time=0.040 ms
64 bytes from 10.0.2.15: icmp_seq=4 ttl=64 time=0.039 ms
64 bytes from 10.0.2.15: icmp_seq=5 ttl=64 time=0.040 ms
--- 10.0.2.15 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4002ms
rtt min/avg/max/mdev = 0.033/0.038/0.040/0.004 ms
コード:
$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 10.0.2.2 0.0.0.0 UG 0 0 0 enp0s3
10.0.2.0 0.0.0.0 255.255.255.0 U 0 0 0 enp0s3
コード:
$ ping -c 5 google.com
PING google.com (172.217.10.110) 56(84) bytes of data.
--- google.com ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 4000ms
コード:
$ ping -c 5 172.217.10.110
PING 172.217.10.110 (172.217.10.110) 56(84) bytes of data.
--- 172.217.10.110 ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 4017ms
コード:
$ iwconfig
enp0s3 no wireless extensions.
lo no wireless extensions.
コード:
$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 10.0.2.3
コード:
$ ping -c 5 10.0.2.3
PING 10.0.2.3 (10.0.2.3) 56(84) bytes of data.
64 bytes from 10.0.2.3: icmp_seq=1 ttl=64 time=0.256 ms
64 bytes from 10.0.2.3: icmp_seq=2 ttl=64 time=0.233 ms
64 bytes from 10.0.2.3: icmp_seq=3 ttl=64 time=0.300 ms
64 bytes from 10.0.2.3: icmp_seq=4 ttl=64 time=0.252 ms
64 bytes from 10.0.2.3: icmp_seq=5 ttl=64 time=0.269 ms
--- 10.0.2.3 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3998ms
rtt min/avg/max/mdev = 0.233/0.262/0.300/0.022 ms
コード:
$ ping -c 5 10.0.2.2
PING 10.0.2.2 (10.0.2.2) 56(84) bytes of data.
64 bytes from 10.0.2.2: icmp_seq=1 ttl=64 time=0.310 ms
64 bytes from 10.0.2.2: icmp_seq=2 ttl=64 time=0.310 ms
64 bytes from 10.0.2.2: icmp_seq=3 ttl=64 time=0.207 ms
64 bytes from 10.0.2.2: icmp_seq=4 ttl=64 time=0.269 ms
64 bytes from 10.0.2.2: icmp_seq=5 ttl=64 time=0.189 ms
--- 10.0.2.2 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3997ms
rtt min/avg/max/mdev = 0.189/0.257/0.310/0.050 ms
ホストコンピューター(Windows)から:
H:\>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : AI186552
Primary Dns Suffix . . . . . . . : utcaus.com
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : utcaus.com
hs.utccommercial.us
hs.utc.com
hs.utcitar.us
hsd.utc.com
rkd.snds.com
goodrich.root.local
root.local
goodrich.com
ssd.goodrich.com
sps.snds.com
px.snds.com
utcapp.com
na.utcmail.com
utcmail.com
utccommercial.us
utc.com
eh.pweh.com
mgt.utc.us
Ethernet adapter Ethernet:
Connection-specific DNS Suffix . : goodrich.root.local
Description . . . . . . . . . . . : Intel(R) Ethernet Connection I217-LM
Physical Address. . . . . . . . . : 98-90-96-BC-B3-EE
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::7d59:a34b:7f66:ff3f%12(Preferred)
IPv4 Address. . . . . . . . . . . : 10.169.166.60(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Thursday, March 15, 2018 9:14:20 AM
Lease Expires . . . . . . . . . . : Thursday, March 15, 2018 10:26:51 AM
Default Gateway . . . . . . . . . : 10.169.166.1
DHCP Server . . . . . . . . . . . : 10.169.160.50
DHCPv6 IAID . . . . . . . . . . . : 60330134
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1F-BC-FA-53-98-90-96-BC-B3-EE
DNS Servers . . . . . . . . . . . : 10.169.160.18
10.168.112.206
Primary WINS Server . . . . . . . : 10.168.97.68
Secondary WINS Server . . . . . . : 168.204.159.12
NetBIOS over Tcpip. . . . . . . . : Enabled
Ethernet adapter VirtualBox Host-Only Network:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : VirtualBox Host-Only Ethernet Adapter
Physical Address. . . . . . . . . : 0A-00-27-00-00-08
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::196d:d465:b540:9ae1%8(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.56.1(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 336199719
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1F-BC-FA-53-98-90-96-BC-B3-EE
DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter isatap.goodrich.root.local:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : goodrich.root.local
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Reusable ISATAP Interface {EFCAF89E-86BC-4DA3-9CD4-E5CC9B1E2141}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
コード:
H:\>route print
===========================================================================
Interface List
12...98 90 96 bc b3 ee ......Intel(R) Ethernet Connection I217-LM
8...0a 00 27 00 00 08 ......VirtualBox Host-Only Ethernet Adapter
1...........................Software Loopback Interface 1
2...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
13...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #3
===========================================================================
IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 10.169.166.1 10.169.166.60 25
10.169.166.0 255.255.255.0 On-link 10.169.166.60 281
10.169.166.60 255.255.255.255 On-link 10.169.166.60 281
10.169.166.255 255.255.255.255 On-link 10.169.166.60 281
127.0.0.0 255.0.0.0 On-link 127.0.0.1 331
127.0.0.1 255.255.255.255 On-link 127.0.0.1 331
127.255.255.255 255.255.255.255 On-link 127.0.0.1 331
192.168.56.0 255.255.255.0 On-link 192.168.56.1 281
192.168.56.1 255.255.255.255 On-link 192.168.56.1 281
192.168.56.255 255.255.255.255 On-link 192.168.56.1 281
224.0.0.0 240.0.0.0 On-link 127.0.0.1 331
224.0.0.0 240.0.0.0 On-link 192.168.56.1 281
224.0.0.0 240.0.0.0 On-link 10.169.166.60 281
255.255.255.255 255.255.255.255 On-link 127.0.0.1 331
255.255.255.255 255.255.255.255 On-link 192.168.56.1 281
255.255.255.255 255.255.255.255 On-link 10.169.166.60 281
===========================================================================
Persistent Routes:
None
IPv6 Route Table
===========================================================================
Active Routes:
If Metric Network Destination Gateway
1 331 ::1/128 On-link
8 281 fe80::/64 On-link
12 281 fe80::/64 On-link
8 281 fe80::196d:d465:b540:9ae1/128
On-link
12 281 fe80::7d59:a34b:7f66:ff3f/128
On-link
1 331 ff00::/8 On-link
8 281 ff00::/8 On-link
12 281 ff00::/8 On-link
===========================================================================
Persistent Routes:
None
コード:
H:\>ping 172.217.10.110
Pinging 172.217.10.110 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 172.217.10.110:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss)
ログによると、NATは正常に機能していますが、会社は発信ICMP(ping)パケットをブロックしているため、ping。
ホストコンピューター上のWebにアクセスするためにプロキシサーバーを使用しています。VM内でWebにアクセスする場合は、適切なプロキシサーバー、ポート、ユーザー、パスワードを設定する必要があります。
VMのブラウザー(Firefox)で 接続設定 に移動します。 手動プロキシ設定でプロキシ設定を構成します。
次に、期待されるパラメーター(HTTPプロキシ、ポート...)を入力します
次に、Webにアクセスする必要があります(企業のプロキシ認証スキームがLinux VMと互換性がある場合)