internet connectivity error

samd_nest · 11-17-2016, 09:30 AM

hello friends,

i am using Linux RHEL with curl and wget packge installed.

i am receiving below error message while installing one important package.

"no internet connection could be detected, or you do not have ping, curl or wget. please ensure that you download http://go.microsoft .com/fwlink/?linked=808107&clcid=0x409 and place it in this directory with name ....tar.gz"

how to overcome this issue?

i checked internet connectivity with curl and it seems down or slow...

erik2282 · 11-17-2016, 09:40 AM

what version rhel?
have you tried installing curl or wget?
why do you have a link that shows go.microsoft.com?
what is the exact command you used? Please show it in code tags.
how did you check internet connectivity with curl? please show commands and output in code tags.
Down or slow? pick one.
Have you called or put in a ticket with Red Hat Support?

samd_nest · 11-17-2016, 10:05 AM

i have used this script,

case "$(curl -s --max-time 2 -I http://google.com | sed 's/^[^ ]* *$[0-9]$.*/\1/; 1q')" in
[23]) echo "HTTP connectivity is up";;
5) echo "The web proxy won't let us through";;
*) echo "The network is down or very slow";;
esac

i have curl and wget but not ping

also i did;

yum install http://go.micro....rpm

and it shows package not found - nothing to do

szboardstretcher · 11-17-2016, 10:35 AM

Ok. Try these commands and post the output of each:

Code:

ping -c 2 8.8.8.8
curl www.google.com
wget www.google.com

samd_nest · 11-17-2016, 10:57 AM

ping -c 2 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.

--- 8.8.8.8 ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 11000ms

curl www.google.com
curl: (6) Couldn't resolve host 'www.google.com'

wget www.google.com
--2016-11-17 09:55:45-- http://www.google.com/
Resolving www.google.com... failed: Name or service not known.
wget: unable to resolve host address “www.google.com”

szboardstretcher · 11-17-2016, 10:59 AM

You are not connected to the internet. Try these commands to help figure out why:

Code:

ip a
ip r

samd_nest · 11-17-2016, 11:09 AM

ip a shows,

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
2: eth0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master bond0 state UP qlen 1000
link/ether ac:16:2d:ad:d9:70 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether ac:16:2d:ad:d9:74 brd ff:ff:ff:ff:ff:ff
4: eth2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master bond0 state UP qlen 1000
link/ether 2c:44:fd:e0:66:78 brd ff:ff:ff:ff:ff:ff

and more...

ip r shows, /*i mentioned <ip.add>/ instead real number*/

<ip.add>/24 dev bond0 proto kernel scope link src <ip.add>
<ip.add>//16 dev bond0 scope link metric 1014
default via <ip.add>/ dev bond0

szboardstretcher · 11-17-2016, 11:13 AM

You do not have an IP address configured on an interface. You have to do that to have internet connectivity.

samd_nest · 11-17-2016, 11:21 AM

any quick steps to configure ip address on Linux rhel6?

szboardstretcher · 11-17-2016, 11:36 AM

Do you have your IP address, netmask and gateway? Do you have a dns server address?

Do you know which interface is plugged in to your switch/router/modem whatever? Eth0,1,2,3?

Assuming you have all of this information:

Interface

Code:

# assuming eth0 interface is plugged in
vim /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
BOOTPROTO=STATIC
IPADDR=<your IP>
NETMASK=<your NETMASK>
GATEWAY=<your GATEWAY>
ONBOOT=yes

DNS

Code:

vim /etc/resolv.conf

nameserver <your primary nameserver IP>
nameserver <your secdonary nameserver IP>

once changes are made

Code:

service network restart

More info: https://access.redhat.com/documentat...nterfaces.html

samd_nest · 11-17-2016, 11:50 AM

Have value like this for:

/etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE="eth0"
MASTER="bond0"
ONBOOT="yes"
USERCTL="no"
SLAVE="yes"
HWADDR="AC:16:2D:AD

9:70"

/etc/resolv.conf

# Generated by NetworkManager
domain xyz.com
search xyz.com
nameserver <ip_add>
nameserver <ip_add>
nameserver <ip_add>
options attempts:2
options timeout:1

szboardstretcher · 11-17-2016, 11:52 AM

What about /etc/sysconfig/network-scripts/ifcfg-bond0 ?

Also - what all do you have in the /etc/sysconfig/network-scripts/ directory?

samd_nest · 11-17-2016, 12:18 PM

/etc/sysconfig/network-scripts/ifcfg-bond0

DEVICE="bond0"
ONBOOT="yes"
USERCTL="no"
NETMASK="<ip_add>"
IPADDR="<ip_add>"
GATEWAY="<ip_add>"
BOOTPROTO="none"
BONDING_OPTS="mode=balance-alb downdelay=xxxx updelay=xxxx miimon=xxx"
MTU="xxxx"

under /etc/sysconfig/network-scripts/ directory

have some files with "ifcfg-eth0" to 11 + some files with "ifdown" + "ifup" and so on...

samd_nest · 11-17-2016, 01:59 PM

is there any file i need to modify or run any code to enable internet...? please advise...

Emerson · 11-17-2016, 02:14 PM

Sufficient information was provided in post #10, including link to the RH documentation. We do not know how your box is wired to the net, you have more than one NIC. This obviously is not a home setup, so why don't you call your IT technician and stop tinkering with it by yourself.