Programmer Group

Preface Communication on the Internet needs to be accessed with the help of IP address, but people's memory of numbers is far less than that of words, so it's a good way to convert IP address into easily memorized words, but computers can only recognize 0 and 1 codes. At this time, a mechanism is need ...

Third party software for DNS installation of linker Android Domain name acquisition method Domain name format Key interface Originally, someone on the Internet has set up the corresponding DNS, which is also very convenient to use. Unfortunately, they have to pay dozens of dollars. They have no mo ...

Varnish is a high-performance open source HTTP Accelerator, Open source reverse proxy and cache servers, Norway Verdens Gang, the largest online newspaper, replaced 12 squids with three varnishs, with better performance than before Basic access to the website firefox - > hosts/dns - > varnish - > server - > varn ...

Article directory Preface: 1, Nginx service foundation 1.1 overview of nginx 1.2 manual compilation and installation of Nginx 1.3 operation control 2, Nginx access control 2.1 profile introduction 2.2 access status statistics 3, Access control 3.1 install and configure DNS Service 3.2 test DNS r ...

course Using shell script one click deployment service under RHEL7(Centos7)Using shell script to deploy service one click under RHEL7(Centos7) (2)Using shell script to deploy service one click under RHEL7(Centos7) (3) Update content: one click deployment of PXE+kickstart unattended installation servic ...

Preface: before (87) WiFi & DHCP Combing the DHCP process, now combing the next process with WiFi state machine.   Preparatory work: grab the log from Xiaomi mix2 8.0 WiFi state machine to the beginning of ObtainingIpState and the end of ConnectedState. 09-01 21:09:28.135 1561 2457 D WifiStateMachine: enter ObtainingIp ...

rndc tools: TCP / UDP 53 port for dns Service TCP 953 port for rndc management dns Service Main functions: check cache status, clear cache, query operation status details, restart service, Only HMAC-MD5 authentication algorithm is supported, and shared key is used at both ends of communicatio ...

Yesterday, the teacher changed the database from mariadb to MySQL, and then there was a problem that phpmyadmin could not be used. Let me have a look Linux version: centos7 I thought it might be a PHP version problem, so I wanted to uninstall php5.3 (I don't remember) and install php5.6. As a result, I found that yum was very ...

More catalog knowledge http://blog.51cto.com/yangrong/1288072 /etc/fstab　　 Machine automatically mounts partition / disk, specifies which partition / device and where to mount 1 [root@oldboy ~]# cat /etc/fstab 2 3 # 4 # /etc/fstab 5 # Created by anaconda on Sun Aug 12 17:26:53 2018 6 # 7 # Accessible filesystems, by reference, are m ...

Tips for using consumer View all registered services consul catalog services Configure consumer.json { "server": true, "datacenter": "testgame", "client_addr": "0.0.0.0", "advertise_addr":"192.168.83.70", "bootstrap_expect": 1, "enable_syslog": true, "enable_script_checks": true, "data_dir": "/usr/local/consul/data", "node_name": "co ...