centos dns lookup

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

This is a creation in Article, where the information may have evolved or changed. Recent on-line reverse proxy Exception Log: Lookup / http xxx.xxx.com On 10.0.0.1:53:dial UDP 10.0.0.1:53:i/o timeout, which is obviously caused by a DNS query

The 4th Chapter installs CentOS Linux 1. Basic Installation Plug the disc into the optical drive, set the BIOS to boot from the CD drive (Don't tell me you won't), and then you'll see the startup interface with some hints that you can enter some

Beginners Linux System, looking at the bird Brother's Linux Private dishes Basic Learning Chapter (third edition), still in the reading stage, the feeling is the command and parameters do not remember, there are various permissions settings, the

Disable CentOS unnecessary default serviceMethods for CentOS Shutdown service:Graphical interface, running NTSYSV Chkconfig–level 2345 Service Name off Service Name Suggestions Explain Acpid

Set up Rsyslog log server in CentOS 6.7Preface: With the increase of servers and network devices in the IDC room, log management and query have become a headache for system administrators. System Administrators encounter the following common

System version [Email protected]/]# cat/proc/versionLinux version 3.10.0-514.el7.x86_64 ([email protected]) (gcc version 4.8.5 20150623 (Red Hat 4.8.5- (GCC) ) #1 SMP Tue Nov 16:42:41 UTC 2016[Email protected]/]# 　　The

101 optimization tips for MySQL databases under the CentOS ServerMySQL server hardware and operating system adjustment: 1. Have enough physical memory to load the entire InnoDB file into the memory. The speed of accessing files in the memory is much

Set up rsyslog log server in CentOS Functions provided by the software: 1. rsyslog is a log service of RHEL or centos 6. x, replacing the syslog service of the previous system. In this architecture, the rsyslog service is mainly used to collect logs,