Linux Operations nineth----directory structure of ETC directory content

One, proc directory left

2. Proc/loadavg
   
   The first 0 represents a 1-minute average load
   The second 0 represents a 5-minute average load
   The third 0 represents a 15-minute average load

4. W
   
   3.uptime
   
   4. Load vs. Core Total
   When numbers are getting closer to the total number of cores, the more Cards
   II, etc directory
   1. Network adapter Profile
   View: cat/etc/ Sysconfig/network-scripts/ifcfig-eth0
   Configuration: Vim/etc/sysconfig/network-scripts/ifcfig-eth0
   
   2. Configuring DNS
   Public dns,223.5.5.5
   223.6.6.6

     114.114.114.114 114.114.115.115 DNS configuration of the computer room DNS vim/etc/sysconfig/network-scripts/ifcfg-eth0 vim/etc/resolv.conf  

   
   Restarts all network cards/etc/ Init.d/network Restart
   4. Device automatic mount list
   Cat/etc/fstab
   Vim/etc/fstab
   
   Blkid
   
   5. boot file
   cat/etc/ Rc.local
   Vim/etc/rc.local
   6. Run-level profile
   /etc/inittab
   Third, troubleshooting unable to surf the internet

6. Troubleshoot DNS first
   Ping baidu.com
   Ping 112.90.154.3
   DNS configuration error when ping public IP is running correctly
   If you ping the public network IP, do not run, continue to troubleshoot
   2. Troubleshoot IP addresses
   IP is not correct, we modify
   IP correct, continue to troubleshoot
   3.vmware Virtual Editor
   Not configured properly, modify
   Normal, we Jixu
   4.VMware Service
   VMware services are turned off, open
   VMware Services OK, continue
   5.VMware Network
   Network properties are problematic, modify
   Network properties No problem, go ahead.
   6. Restart VMware
   Iv. Modifying host Names
   1. View Host Name:
      Cat Etc/sysconfig/network
      Hostname
   2. Temporarily modify hostname xxxxx
      3. Permanent modification
      Vim/ect/sysconfig/network
      Restart the server in effect
      Wu, etc/hosts
      Vim/etc/hosts
      Modifying this file will allow the domain name to be tested at any IP address

Linux Operations nineth----directory structure of ETC directory content