: If the SERVER needs to access other servers through the domain name, you need to keep this line.
4. Modify the resolv. conf file on the SERVER.
4.1 delete all unused IP addresses in/etc/resolv. conf.
4.2 Delete All nameservers. The problem can be solved, but the server cannot access the Internet.
4.3 if the SERVER has configured a dual-nic, there will be a line of IP addresses not currently used in this file. Delete this line.
5. Modify the hosts
; max-lease-time 72000;
Add the following Configuration:
option routers 192.168.1.1;subnet 192.168.1.0 netmask 255.255.255.0 { range 192.168.1.10 192.168.1.100; option domain-name-servers 192.168.1.1; option broadcast-address 192.168.1.255;}
Including the router address, IP address range, DNS server IP address, and broadcast IP address.
Service command:
s
1. Network Connection Mode:
Select NAT
2. Edit the DNS configuration file/etc/resolv. conf of the VM.
Set nameserver to the NAT gateway address in the VM.
[Root@andes.com/etc] # cat resolv. conf # No nameservers found; try putting DNS servers into your # ifcfg files in/etc/sysconfig/network-scripts like so: # DNS1 = xxx. xxx. xxx. xxx # DNS2 = xxx. xxx. xxx. xxx # DOMAIN = lab.foo.com bar.foo.com nameserver 192.168.59.2
3. Edit the NIC conf
access other servers through the domain name, you need to keep this line.
4. Modify the resolv. conf file on the SERVER.
# Vi/etc/resolv. conf4.1 delete all unused IP addresses.
4.2 Delete All nameservers. The problem can be solved, but the server cannot access the Internet.
4.3 if the SERVER has configured a dual-nic, there will be a line of IP addresses not currently used in this file. Delete this line.
5. Modify the hosts file on the SERVER
Add th
Linux local dns configuration file details when we set up dns in linux, usually in/etc/resolv. the conf file is usually set with several nameservers. In fact, the file can be optimized according to the options. The information contained in the www.2cto.com resolv. conf file is read by the parser routine during their first call. This file is readable and contains keyword list values that provide different types of Parser Information. If the file does n
Modify DNS in Linux and dns in linux
Not long ago, I encountered some problems on the server. I need to modify the dns configuration of the server and write it down. I used centos 6.5.
The DNS configuration file is in/etc/resolv. conf, but the service network restart is restarted after modification. If it is opened again, the configuration file is restored.
This is the configuration before modification:# No nameservers found; try putting DNS server
Ubuntu DNS restart failure Modification
Ubuntu 15.04 directly Modifies/etc/resolv. conf, And the configuration is lost after the DNS is restarted.
Correct method:
# Vim/etc/network/interfaces, add "dns-nameservers 223.5.5.5" to the end of the file"Restart systemctl restart networking. service and test OK.
# Vim/etc/resolvconf/resolv. conf. d/base (the file is empty by default)Nameserver 223.5.5.5Nameserver 223.6.6.6# Resolvconf-u (update to re
In Linux, the application of the bind9 advanced view is well known that the access speed between China Netcom and China Telecom is very slow, however, a large network company like Sina, no matter where you access the network, the access speed is very fast. How can this problem be achieved! The first thing that comes to mind is that China Telecom and China Netcom have some servers with identical content. How can we allow telecom users to access their own servers, this requires the bind9 high view
If multiple NICs exist and one of the lan nics is set to DHCP, if the multi-event resolvconf is installed, it clears the resolv. conf file for configuring nameserver.
The simplest way is
/Etc/resolvconf/resolv. conf. d/head (either base or tail)
Add the required Domain Name Server: nameserver XXX. XXX
Then use the command to update: resolvconf-u
If the network adapter has a static IP address, you can modify the/etc/Network/interfaces file,
Append information such as DNS-
" Bootproto = " Static "### If it is dynamic, DHCP can be used, or none can be used for static purposes. Hwaddr = " 00: 0C: 29: D3: 0C: dd " Ipv6init = " Yes " Ipaddr = 192.168 . 1.169 Netmask = 255.255 . 255.0 Gateway = 192.168 . 1.1 Nm_controlled = " Yes " Onboot = " Yes " 2./etc/sysconfig/Network
It mainly sets the networking, hostname, and subnet mask (which can be set in Nic configuration) for network operations)
Networking =Yeshostname= Picaso. localhost 3./etc/resolv.
system is actually telling users some basic functions of the control panel. Click here to read itAfter you click Delete, you still need to confirmAfter confirmation, the entire panel is cleaned up.Click home (Admin) in the upper right corner)
Finally, when we return to the home page, there is no prompt, but we still need to do one thing to complete the first setting.Step 6: Set the DNS TemplateIf you want to set up a real DNS that requires your domain name function support, if your domain nam
DNSAfter the Domain name is successfully added, we also need to change the default DNS to the DNS provided by CloudXNS in the Namecheap background. Go to Domain List> Products> Manage to enter the Domain name control panel, see Figure 2-1 (click to enlarge ),Figure 2-1 domain name managementThen choose NAMESERVERS> Custom> enter the four groups of DNS provided by CloudXNS> save, as shown in Figure 2-2 (click to enlarge)Figure 2-2 modify DNS3. Wait fo
Specify the ubuntu server ip address in two steps.■ Edit the configuration fileSudo vi/etc/network/interfaces■ Restart network configurationSudo/etc/init. d/networking restart/Etc/network/interfaces configuration example, note that you need to set DNS at the same time here# This file describes the network interfaces available on your system# And how to activate them. For more information, see interfaces (5 ).# The loopback network interfaceAuto loIface lo inet loopback# The primary network inter
DNSVisit Again. comthe top-level domain server,. comtop-level nameservers, looking for a domain nameOldboyedu.com, and then theOldboyedu.comof theIpsent toLocal DNS, and then continue looking down until you findWww.oldboyedu.comthe AuthorityDnsof theARecord orCName this timeLocal DNSWe 'll find them.Www.oldboyedu.comof theIpSent to the client, and logged in the cache, so that the next time if there are other users accessingWww.oldboyedu.comThis domai
server is in the school, if the Internet through the telecommunications, then the LDNS server is in your native telecommunications there. LDNS queries its own DNS cache (general search success rate is around 80%), find success returns results, failure initiates an iterative DNS resolution request;
Ldns to Rootnameserver (the root name server, which does not have specific information for each domain name, but stores the address of the top-level na
. Install proxy server such as Sygate or Wingate in host 3, set the virtual machine Proxy server for the host's IP second case: within the unit LAN "Ethernet" to choose "Bridge" modeIn this way, the virtual machine is the same as a real machine, when the IP is set to another available IP in the LANGateway: The address of the LAN gateway server (or the address of the router)DNS: Set the DNS server address for the ISPubuntu resolves a problem after a restart resolv.conf emptying after each reboot/
system, open the terminal and use the following command to open and edit the network interface configuration file:sudo vi/etc/network/interfaces2. Edit the file as follows:Auto LoIface Lo inet Loopback# Assgin Static IP by Eric on 26-sep-2012Iface eth0 inet StaticAddress 192.168.91.200 #change to your static IPnetmask 255.255.255.0 #change to your netmaskGateway 192.168.91.2 #change to your Getway#We must specify Dns-nameserver here#in order to get internet access from hostDns-
Ubuntu set a static IP address, set up DNS, open/etc/resolv.confCat/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'll be overwrittenThis section warns that this file is created dynamically by the RESOLVCONF program and is not recommended to be edited directly, and the modified value may be overwritten.Sure enough, the restart will fail after the change.There are two ways of setting up DNS:method One: t
Due to the direct modification of the/etc/resolv.conf restart will be invalid, so there are two ways to setMethod One : Modify a file /etc/network/interfacesDns-nameservers 192.168.1.1Method Two:Modify a file/etc/resolvconf/resolv.conf.d/base (This file defaultsis empty), multiple DNS can add a row NameServer 192.168.1.1nameserver 192.168.1.2: Wq #保存退出Resolvconf-u #执行Completethrough /etc/resolv.conf View DNS settings I can see more.NameServer 192.168
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