I was wondering how I would make an alias for localhost that has a tld.
For example, foo.test wold connect to 127.0.0.1.
I tried just adding a second line to /etc/hosts that also pointed to 127.0.0.1, but that didn't seem to work. Although, I didn't reboot, so that might be why.
The end goal is to have it so that I can test that a request is being sent to a specific subdomain in the Rocket framework for Rust. IE: foo.bar.test instead of baz.bar.test or just bar.test.
The man page for /etc/hosts says:
IP CANONICAL ALIAS ...
127.0.0.1 foo.test localhost
Should be good
But is the host really handling traffic from this IP address ?
Alternatively, the interface specific line can include the aliases
10.0.0.1 foo.bar.test foo
10.0.0.2 baz.bar.test baz
Related
I am trying to run a coredns plugin https://github.com/coredns/demo that returns 1.1.1.1 for 172.0.0.0/8 or 127.0.0.0/8 and 8.8.8.8 for everything else.
I run the binary and try to make a request from dig using dig example.org #localhost -p1053 +short which returns 1.1.1.1 since the request is sent from localhost
Is there anyway I can send a request from dig to coredns that it might look like to the DNS server that it is sent from another IP and it will return 8.8.8.8 instead?
From dig manual:
-b address[#port]
Set the source IP address of the query. The address must be a valid address on one of the host's network interfaces, or "0.0.0.0" or "::". An optional port may be
specified by appending "#<port>"
Otherwise, if the server supports ECS (EDNS Client Subnet) you can use dig option +subnet=addr to give it to the server and see how its reply changes.
I am using a LAMP stack. Will there be problems if I update the /etc/host file to reflect 127.0.0.1 as somename from localhost?
Thanks!
Edit:
I sometimes work in remote sites with no network. I have the same setup on different machines and I need the server name to know dynamically where to do changes, etc.
I edited /etc/hosts to show
127.0.0.1 localhost somename
Now, with my Wifi off I am trying http://somename and it is not connecting. If I turn my wifi on, it works. But I need it to work with no connection. How can I resolve this?
No. Just add somename after localhost separated by space in /etc/hosts. You can add as many aliases as you like, as long as you don't delete localhost.
I am working on RHEL 6.3, the IP address of this server is 172.xxx.xxx.xx and hostname is build01.xxx.com
I have a DNS entries of client server, I have configured that in /etc/sysconfig/network-scripts/ifcfg-eth0 and in /etc/resolv.conf
[root#build01 ~]# cat /etc/resolv.conf
search 100.xxx.x
nameserver 203.xxx.xxx.xxx ##Primary DNS
nameserver 203.xxx.xxx.xxx ###Secondary DNS
[root#build01 etc]# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
172.xxx .xxx.xx build01.xxx.com build01
[root#build01 ~]# hostname
build01.xxxx.com
My issue is when I hit the URL with hostname(buil01.xxx.in) it does not work, but it works with IP (172.xxx.xxx.xx)
This is the error which i get in browser if I type hostname
Host Not Found
**DNS error (the host name of the page you are looking for does not exist) or Server did not accept the connection.
Please check that the host name has been spelled correctly.**
Internet works in this machine only issue is with hostname
Please help me what I am missing to configure
Thanks
Roopa
The search line in resolv.conf should list the local domain. So change:
search 100.xxx.x
to:
search xxx.com
Actually you should also change search to domain. For more information have a look at man resolv.conf.
I have a openwrt router, and a client linux connected to it. I config the dnsmasq with
resolv-file=/tmp/resolv.conf.auto
For example, when I use nslookup on the client, nslookup google.com is OK, but nslookup bd.ysmood.org says No answer.
How to make the router work properly?
OK, since the bd.ysmood.org is an internal IP address. The dnsmasq's rebind_protection will make the lookup fail.
Edit the /etc/config/dhcp, find the line:
option rebind_protection 1
Change the 1 to 0 will do it.
I have a centOS system(embedded and has very binaries) with the following /etc/hosts.
$cat /etc/hosts
127.0.0.1 localhost localhost
Also the host is assigned a DNS server which returns some invalid IP for the domain name lookup of localhost. But I cannot avoid a connection to this DNS due to some network restrictions.
My question is, when I already have a valid /etc/hosts file why is the system querying the DNS for localhost? And how can I stop that?
Any help would be greatly appreciated.
Check that you have files listed before dns for the hosts entry in /etc/nsswitch.conf.
[me#home]$ grep "^hosts" /etc/nsswitch.conf
hosts: files dns
If dns comes first, then your system will always query DNS to resolve hostnames before falling back to /etc/hosts.