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internet connection error in debian9
internet connection error in debian9
I have debian9 on my laptop, when open firefox I have this message "server not found" laptop connect to the internet and having signal but fierfox can not open any page,I try to use ping and router ip the msg destination host unreachable ?!! and network unreachable ! but the router name is found and connected to it ,when show setting of router in debian the signal is strong.
Re: internet connection error in debian9
Sounds like an erroneous proxy config.
Nobody would ever ask questions If everyone possessed encyclopedic knowledge of the man pages.
Re: internet connection error in debian9
Post the outpout the ifconfig command:
Code: Select all
sudo ifconfig -a
Nobody would ever ask questions If everyone possessed encyclopedic knowledge of the man pages.
- GarryRicketson
- Posts: 5644
- Joined: 2015-01-20 22:16
- Location: Durango, Mexico
Re: internet connection error in debian9
Use "su" , enter the root password, then run the command without
"sudo".
I would say install sudo, but you need to get a internet connection first,
Debian is not like Ubuntu, it does not come with sudo by default.
Oh, and be sure to type 'exit', after your done, it is not good to keep
working as root, but in this case you do need to be root to run the command.
"sudo".
Code: Select all
ifconfig -a
Debian is not like Ubuntu, it does not come with sudo by default.
Oh, and be sure to type 'exit', after your done, it is not good to keep
working as root, but in this case you do need to be root to run the command.
"What we expect you have already Done"
==========
Old Website
======================
For the Birds
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What Does a Parrot Know About PTSD?
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Old Website
======================
For the Birds
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What Does a Parrot Know About PTSD?
Re: internet connection error in debian9
@GarryRicketson , after su when use the command not found again
Code: Select all
ifconfig -a
Re: internet connection error in debian9
You need to run the command as root, somehow. If you cannot do that, you may not be qualified to even troubleshoot the problem.
Alternatively, you can try:
Alternatively, you can try:
Code: Select all
ip address
Nobody would ever ask questions If everyone possessed encyclopedic knowledge of the man pages.
- GarryRicketson
- Posts: 5644
- Joined: 2015-01-20 22:16
- Location: Durango, Mexico
Re: internet connection error in debian9
Can you show us exactly how you are typeing, including the prompt:
Here is a example:
The $ represents you are working as a normal user, the # means it is root.
As a normal user:
Will , or should give you the manual for ifconfig,... Do not include the $ in the command you type, nor the # .
Show us what you get when you use the 'man ifconfig' :
Don't include the entire manual, then :
As you can see, I can run the command and do not even need 'sudo' or to be root. My point is, to show us what the real output is, instead of just saying:
It is all ways a good idea to look at the manual, when some one tells you
use this or that command.
For example, here, when acewiza told you use :
If you had sudo installed, it would have run a command as root, and you did
not even know for sure what the command does. We all mean well, and I know
"acewiza" would not intentionally tell you to type a command that would harm
your system, neither would I, how ever some times the person trying to help
may misunderstand, and tell you to use a option, that does something different
the what you really wanted to do. You should all ways look up the command, using the 'man' command. Look at the various options, and make sure the command ,option , is going to do what you really want:
In this case, the -a option is harmless, and does what is expected.
Looking up the command in the manual also is essential in order to fully
understand what it does, and will help you understand the solutions people
give when trouble shooting your system.
we can start helping you. Let us know, if we need to do that first.
We also need some more info, is this a fresh install of Debian 9 ? or
was it working fine, and some thing changed, and now you no longer can connect. I have some chores to do , so have to go now.
Apology on saying you needed to be root to run the command, I thought
you did, but when I tried it as a normal user, I saw that root (su) is not needed,
That is another thing, you should all ways see if a command will work as a normal user, first, and only use 'su' if needed.
Here is a example:
Code: Select all
$ su
Password:
# whoami
root
#
Code: Select all
# exit
$ whoami
garry
$
As a normal user:
Code: Select all
$ man ifconfig
Show us what you get when you use the 'man ifconfig' :
Code: Select all
$ man ifconfig
IFCONFIG(8) System Manager's Manual IFCONFIG(8)
NAME
ifconfig - configure network interface parameters
Code: Select all
$ ifconfig -a
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 32768
index 3 priority 0 llprio 3
groups: lo
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
inet 127.0.0.1 netmask 0xff000000
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr f0:4d:a2:27:86:49
index 1 priority 0 llprio 3
media: Ethernet autoselect (none)
status: no carrier
enc0: flags=0<>
index 2 priority 0 llprio 3
groups: enc
status: active
urndis0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr d2:f2:f6:a1:e4:0e
index 4 priority 0 llprio 3
groups: egress
inet XXXXXXXX netmask 0xffffff00 broadcast XXXXXXXX
pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33136
index 5 priority 0 llprio 3
groups: pflog
$
Like you do here, we need to see how you actually ran the command, and what it really says.lilyana wrote:@GarryRicketson , after su when usethe command not found againCode: Select all
ifconfig -a
It is all ways a good idea to look at the manual, when some one tells you
use this or that command.
For example, here, when acewiza told you use :
Code: Select all
sudo ifconfig -a
not even know for sure what the command does. We all mean well, and I know
"acewiza" would not intentionally tell you to type a command that would harm
your system, neither would I, how ever some times the person trying to help
may misunderstand, and tell you to use a option, that does something different
the what you really wanted to do. You should all ways look up the command, using the 'man' command. Look at the various options, and make sure the command ,option , is going to do what you really want:
Code: Select all
$man ifconfig
----snip----
-a Causes ifconfig to print information on all interfaces. The
protocol family may be specified as well. This is the default,
if no parameters are given to ifconfig.
Looking up the command in the manual also is essential in order to fully
understand what it does, and will help you understand the solutions people
give when trouble shooting your system.
Do you know how to capture, or put the output into a text file, when you are using the console, or a terminal ? We may need to explain that as well, beforeby acewiza » If you cannot do that, you may not be qualified to even troubleshoot the problem.
we can start helping you. Let us know, if we need to do that first.
We also need some more info, is this a fresh install of Debian 9 ? or
was it working fine, and some thing changed, and now you no longer can connect. I have some chores to do , so have to go now.
Apology on saying you needed to be root to run the command, I thought
you did, but when I tried it as a normal user, I saw that root (su) is not needed,
That is another thing, you should all ways see if a command will work as a normal user, first, and only use 'su' if needed.
"What we expect you have already Done"
==========
Old Website
======================
For the Birds
==================
What Does a Parrot Know About PTSD?
==========
Old Website
======================
For the Birds
==================
What Does a Parrot Know About PTSD?
Re: internet connection error in debian9
Gary, you have the patience of a saint!
Nobody would ever ask questions If everyone possessed encyclopedic knowledge of the man pages.
- GarryRicketson
- Posts: 5644
- Joined: 2015-01-20 22:16
- Location: Durango, Mexico
Re: internet connection error in debian9
Thanks, some times I do lose it though.
I don't remember exactly how on FireFox, but that would be the first thing
to check, :
Keywords for search:
https://support.mozilla.org/en-US/questions/1008298
Actually, if it is this, it may be in the OP's browser configuration,acewiza wrote:Sounds like an erroneous proxy config.
I don't remember exactly how on FireFox, but that would be the first thing
to check, :
Keywords for search:
Code: Select all
How to check the proxy settings on FireFox
Chosen solution
You can check the connection settings.
Tools > Options > Advanced > Network Connection > Settings
https://support.mozilla.org/kb/Options+ ... nced+panel
Re: internet connection error in debian9
I'm new in linux distributions
the result of
---
the result of
Code: Select all
ip address
Code: Select all
~$ ip address
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
qlen 1
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN
group default qlen 1000
link/ether 40:b0:34:98:b6:b7 brd ff:ff:ff:ff:ff:ff
3: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default
qlen 1000
link/ether 3c:a0:67:ee:fe:05 brd ff:ff:ff:ff:ff:ff
inet 192.168.2.109/24 brd 192.168.2.255 scope global dynamic wlo1
valid_lft 6800sec preferred_lft 6800sec
inet6 fe80::400e:2ae3:ed1f:b423/64 scope link
valid_lft forever
Re: internet connection error in debian9
...and the tongue of a preacher!acewiza wrote:Gary, you have the patience of a saint!
Re: internet connection error in debian9
GarryRicketson wrote:Thanks, some times I do lose it though.
Actually, if it is this, it may be in the OP's browser configuration,acewiza wrote:Sounds like an erroneous proxy config.
I don't remember exactly how on FireFox, but that would be the first thing
to check, :
Keywords for search:https://support.mozilla.org/en-US/questions/1008298Code: Select all
How to check the proxy settings on FireFox
Chosen solution
You can check the connection settings.
Tools > Options > Advanced > Network Connection > Settings
https://support.mozilla.org/kb/Options+ ... nced+panel
@GarryRicketson thank you so much for all this , I'm now discover that I have problem in Wi-fi, when became very near from router I get very good internet connection, but when became far from it there is no internet connection , Why how can get rid of this problem
Re: internet connection error in debian9
I use a DoDoCool for that purpose: http://a.co/bm8Psm6
Nobody would ever ask questions If everyone possessed encyclopedic knowledge of the man pages.
Re: internet connection error in debian9
But the other OS (win 10) have very good internet connection and from the same far placeacewiza wrote:I use a DoDoCool for that purpose: http://a.co/bm8Psm6
I think the problem in wifi driver but how can solve it
- GarryRicketson
- Posts: 5644
- Joined: 2015-01-20 22:16
- Location: Durango, Mexico
Re: internet connection error in debian9
Would be nice if you shared , How you solved it ? there might be others with
a similar problem.
a similar problem.
Re: internet connection error in debian9
GarryRicketson wrote:Would be nice if you shared , How you solved it ? there might be others with
a similar problem.
Code: Select all
echo "options rtl8723be ant_sel=1" | sudo tee -a /etc/modprobe.d/rtl8723be.conf