In a new ubuntu 18, Ping works very well, but wget and browser error?












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Good night, everyone, Can't I ask a question here?
Thank you.



My system is Ubuntu 18.04 which was installed just now.
I formatted the "/" part, but keep the "/home" part.



The computer had been ubuntu 14.04 before the reinstallation.
The network wasn't right when ubuntu 14.04 and still error now.



When I ping a domain, It works very well, but wget apt and browser can't work.



When adding a USB wireless card, the network is alright.
What should I do to find out the Problem?



Thank you!



$ ping -c3 askubuntu.com



PING askubuntu.com (151.101.65.69) 56(84) bytes of data.
64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=1 ttl=52 time=134 ms
64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=2 ttl=52 time=133 ms
64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=3 ttl=52 time=132 ms

--- askubuntu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 132.458/133.681/134.628/1.000 ms


$ wget askubuntu.com



--2019-01-29 12:05:12--  http://askubuntu.com/
Resolving askubuntu.com (askubuntu.com)... 151.101.65.69, 151.101.1.69, 151.101.193.69, ...
Connecting to askubuntu.com (askubuntu.com)|151.101.65.69|:80... failed: Connection refused.
Connecting to askubuntu.com (askubuntu.com)|151.101.1.69|:80... failed: Connection refused.
Connecting to askubuntu.com (askubuntu.com)|151.101.193.69|:80... failed: Connection refused.
Connecting to askubuntu.com (askubuntu.com)|151.101.129.69|:80... failed: Connection refused.


Here is the other information.



$ route -n



Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.0.1 0.0.0.0 UG 20100 0 0 enp2s0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp2s0
192.168.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enp2s0


$ ifconfig -a



enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
inet 192.168.0.199 netmask 255.255.255.0 broadcast 192.168.0.255
inet6 fe80::9997:3ae3:6798:1ac8 prefixlen 64 scopeid 0x20<link>
ether 00:ea:01:28:99:88 txqueuelen 1000 (Ethernet)
RX packets 141444 bytes 136582388 (136.5 MB)
RX errors 0 dropped 79 overruns 0 frame 0
TX packets 82546 bytes 5792934 (5.7 MB)
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 6524 bytes 984671 (984.6 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 6524 bytes 984671 (984.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0








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    Good night, everyone, Can't I ask a question here?
    Thank you.



    My system is Ubuntu 18.04 which was installed just now.
    I formatted the "/" part, but keep the "/home" part.



    The computer had been ubuntu 14.04 before the reinstallation.
    The network wasn't right when ubuntu 14.04 and still error now.



    When I ping a domain, It works very well, but wget apt and browser can't work.



    When adding a USB wireless card, the network is alright.
    What should I do to find out the Problem?



    Thank you!



    $ ping -c3 askubuntu.com



    PING askubuntu.com (151.101.65.69) 56(84) bytes of data.
    64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=1 ttl=52 time=134 ms
    64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=2 ttl=52 time=133 ms
    64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=3 ttl=52 time=132 ms

    --- askubuntu.com ping statistics ---
    3 packets transmitted, 3 received, 0% packet loss, time 2002ms
    rtt min/avg/max/mdev = 132.458/133.681/134.628/1.000 ms


    $ wget askubuntu.com



    --2019-01-29 12:05:12--  http://askubuntu.com/
    Resolving askubuntu.com (askubuntu.com)... 151.101.65.69, 151.101.1.69, 151.101.193.69, ...
    Connecting to askubuntu.com (askubuntu.com)|151.101.65.69|:80... failed: Connection refused.
    Connecting to askubuntu.com (askubuntu.com)|151.101.1.69|:80... failed: Connection refused.
    Connecting to askubuntu.com (askubuntu.com)|151.101.193.69|:80... failed: Connection refused.
    Connecting to askubuntu.com (askubuntu.com)|151.101.129.69|:80... failed: Connection refused.


    Here is the other information.



    $ route -n



    Kernel IP routing table
    Destination Gateway Genmask Flags Metric Ref Use Iface
    0.0.0.0 192.168.0.1 0.0.0.0 UG 20100 0 0 enp2s0
    169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp2s0
    192.168.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enp2s0


    $ ifconfig -a



    enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
    inet 192.168.0.199 netmask 255.255.255.0 broadcast 192.168.0.255
    inet6 fe80::9997:3ae3:6798:1ac8 prefixlen 64 scopeid 0x20<link>
    ether 00:ea:01:28:99:88 txqueuelen 1000 (Ethernet)
    RX packets 141444 bytes 136582388 (136.5 MB)
    RX errors 0 dropped 79 overruns 0 frame 0
    TX packets 82546 bytes 5792934 (5.7 MB)
    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 6524 bytes 984671 (984.6 KB)
    RX errors 0 dropped 0 overruns 0 frame 0
    TX packets 6524 bytes 984671 (984.6 KB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0








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      Good night, everyone, Can't I ask a question here?
      Thank you.



      My system is Ubuntu 18.04 which was installed just now.
      I formatted the "/" part, but keep the "/home" part.



      The computer had been ubuntu 14.04 before the reinstallation.
      The network wasn't right when ubuntu 14.04 and still error now.



      When I ping a domain, It works very well, but wget apt and browser can't work.



      When adding a USB wireless card, the network is alright.
      What should I do to find out the Problem?



      Thank you!



      $ ping -c3 askubuntu.com



      PING askubuntu.com (151.101.65.69) 56(84) bytes of data.
      64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=1 ttl=52 time=134 ms
      64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=2 ttl=52 time=133 ms
      64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=3 ttl=52 time=132 ms

      --- askubuntu.com ping statistics ---
      3 packets transmitted, 3 received, 0% packet loss, time 2002ms
      rtt min/avg/max/mdev = 132.458/133.681/134.628/1.000 ms


      $ wget askubuntu.com



      --2019-01-29 12:05:12--  http://askubuntu.com/
      Resolving askubuntu.com (askubuntu.com)... 151.101.65.69, 151.101.1.69, 151.101.193.69, ...
      Connecting to askubuntu.com (askubuntu.com)|151.101.65.69|:80... failed: Connection refused.
      Connecting to askubuntu.com (askubuntu.com)|151.101.1.69|:80... failed: Connection refused.
      Connecting to askubuntu.com (askubuntu.com)|151.101.193.69|:80... failed: Connection refused.
      Connecting to askubuntu.com (askubuntu.com)|151.101.129.69|:80... failed: Connection refused.


      Here is the other information.



      $ route -n



      Kernel IP routing table
      Destination Gateway Genmask Flags Metric Ref Use Iface
      0.0.0.0 192.168.0.1 0.0.0.0 UG 20100 0 0 enp2s0
      169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp2s0
      192.168.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enp2s0


      $ ifconfig -a



      enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
      inet 192.168.0.199 netmask 255.255.255.0 broadcast 192.168.0.255
      inet6 fe80::9997:3ae3:6798:1ac8 prefixlen 64 scopeid 0x20<link>
      ether 00:ea:01:28:99:88 txqueuelen 1000 (Ethernet)
      RX packets 141444 bytes 136582388 (136.5 MB)
      RX errors 0 dropped 79 overruns 0 frame 0
      TX packets 82546 bytes 5792934 (5.7 MB)
      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 6524 bytes 984671 (984.6 KB)
      RX errors 0 dropped 0 overruns 0 frame 0
      TX packets 6524 bytes 984671 (984.6 KB)
      TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0








      share







      New contributor




      Sailing is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      Good night, everyone, Can't I ask a question here?
      Thank you.



      My system is Ubuntu 18.04 which was installed just now.
      I formatted the "/" part, but keep the "/home" part.



      The computer had been ubuntu 14.04 before the reinstallation.
      The network wasn't right when ubuntu 14.04 and still error now.



      When I ping a domain, It works very well, but wget apt and browser can't work.



      When adding a USB wireless card, the network is alright.
      What should I do to find out the Problem?



      Thank you!



      $ ping -c3 askubuntu.com



      PING askubuntu.com (151.101.65.69) 56(84) bytes of data.
      64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=1 ttl=52 time=134 ms
      64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=2 ttl=52 time=133 ms
      64 bytes from 151.101.65.69 (151.101.65.69): icmp_seq=3 ttl=52 time=132 ms

      --- askubuntu.com ping statistics ---
      3 packets transmitted, 3 received, 0% packet loss, time 2002ms
      rtt min/avg/max/mdev = 132.458/133.681/134.628/1.000 ms


      $ wget askubuntu.com



      --2019-01-29 12:05:12--  http://askubuntu.com/
      Resolving askubuntu.com (askubuntu.com)... 151.101.65.69, 151.101.1.69, 151.101.193.69, ...
      Connecting to askubuntu.com (askubuntu.com)|151.101.65.69|:80... failed: Connection refused.
      Connecting to askubuntu.com (askubuntu.com)|151.101.1.69|:80... failed: Connection refused.
      Connecting to askubuntu.com (askubuntu.com)|151.101.193.69|:80... failed: Connection refused.
      Connecting to askubuntu.com (askubuntu.com)|151.101.129.69|:80... failed: Connection refused.


      Here is the other information.



      $ route -n



      Kernel IP routing table
      Destination Gateway Genmask Flags Metric Ref Use Iface
      0.0.0.0 192.168.0.1 0.0.0.0 UG 20100 0 0 enp2s0
      169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp2s0
      192.168.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enp2s0


      $ ifconfig -a



      enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
      inet 192.168.0.199 netmask 255.255.255.0 broadcast 192.168.0.255
      inet6 fe80::9997:3ae3:6798:1ac8 prefixlen 64 scopeid 0x20<link>
      ether 00:ea:01:28:99:88 txqueuelen 1000 (Ethernet)
      RX packets 141444 bytes 136582388 (136.5 MB)
      RX errors 0 dropped 79 overruns 0 frame 0
      TX packets 82546 bytes 5792934 (5.7 MB)
      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 6524 bytes 984671 (984.6 KB)
      RX errors 0 dropped 0 overruns 0 frame 0
      TX packets 6524 bytes 984671 (984.6 KB)
      TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0






      networking wget





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      asked 2 mins ago









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