ubuntu dns lookup

@ Zheng yu Summary   I. symptom: Java httpclient initiates an HTTP request to the WebService interface under the x××× open. x××. com domain name from the master station data center, which is extremely slow. Troubleshooting: 1.1. wget test

Each IP address can have a host name that consists of one or more strings separated by a decimal point. With the hostname, do not memorize each IP device IP address, just remember the relative intuitive meaningful host name on the line. This is the

ConceptDefault dns lookup sequence for linux clients: Local DNS Cache → local hosts file → preferred DNS server (recursive) Linux DNS Server Query sequence:The DNS cache of the preferred server → the domain in which the preferred server is

--------------------------------------------------------------------------------------------------------------------------------------------------------------Vi/etc/nsswitch.confHosts:files DNSNetworks:filesChange to:Hosts:files DNS

Ubuntu Virtual machine Installation Open Source Library Description:EVPP for Qihoo 360 based on Libevent developed modern high-performance network library supporting C++11 features, asynchronous non-blocking server and client libraries with

1, delete the system does not need the default account# Userdel LP# Groupdel LP#passwd –l LPIf the following system default account is not required, it is recommended to delete.LP, Sync News, UUCP, games, Bin, MansModify some of the system account

On Ubuntu to fix the slow way to access GitHub:1, enter the terminal command line mode, input sudo vi/etc/hosts2, English input Gg,vim editor jumps to the last line of the Hosts file3. Access ipaddress.com using the IP Lookup tool to obtain the IP

First, Docker introduction Docker two main components: Docker: Open source container virtualization platform Docker Hub: Docker hub for sharing and managing Docker containers Docker uses the client-server (c/s) architecture pattern. The Docker

introduction of Docker Docker two main components: Docker: Open source container virtualization platform Docker Hub: Docker SaaS platform for sharing, managing Docker containers-Docker hub Docker uses client-server (c/s) schema mode. The Docker

Frontier:    The plug-ins of ansible are good. Now let's talk about the plug-in lookup plugins. Lookup_plugins is mainly used to expand various strings and variables in playbook. For me personally, the usage is not too big, but I still have some