Programmer Think

catalogue 1, YUM overview 2, YUM implementation process 3, YUM command 1. Inquiry 2. Install and upgrade using yum or up2date 3. Software uninstall 4, Build yum warehouse 1. Build local warehouse 2. Build Alibaba cloud warehouse 5, NFS share 1. Characteristics 2. Advantage 3. Construction process 6, Summary   1, YUM overview y ...

catalogue 1. DNS self introduction: 2. DNS server type: (1) Cache domain name server: (2) Primary domain name server: (3) From domain name server: 3. DNS query type and principle: 4. Forward resolution: 5. DNS forward and reverse resolution project experiment of Linux Network Service: DNS reverse resolution: 1. DNS self introduction: ...

1, Planning 1. Server OSapplicationHostnameremarksCentOS 7.4(192.168.139.162)HA + Keepalivedha_1Cluster high availability (master)CentOS 7.4(192.168.139.160)HA + Keepalivedha_2Cluster high availability (backup)CentOS 7.4(192.168.139.158)Erlang 23.2.5,RabbitMQ 3.9.7mq_1mq_1 disk nodeCentOS 7.4(192.168.139.137)Erlang 23.2.5,RabbitMQ 3.9.7mq ...

2. Docker installation https://www.jianshu.com/p/2e91d1272154 2.1 premise description CentOS Docker installation Docker supports the following CentOS versions: CentOS 7 (64-bit) CentOS 6.5 (64 bit) or later prerequisite Currently, only the kernel in the distribution version of CentOS supports Docker. Docker runs on CentOS 7. The system ...

preface File, abstract a collection of disk blocks. This is the third level of abstraction, from file to file system: file system, abstract the whole disk (the fourth level of abstraction) Tip: the following is the main content of this article 1, File system When using a disk, the disk in the eyes of users is a pile of organized ...

1.Introduction to Tasks A data file or record can be shared by multiple processes. We call processes that only require reading the fileReader stalks, and other processes are called writer processes. Allow multiple processes to read a shared object at the same time, since reading does not confuse the data file. However, a writer process and oth ...

1. Signal of communication between Linux threads Under linux, each process has its own signal mask. This signal mask specifies which signal is blocked and which will not be blocked. It is usually handled by calling sigmask. At the same time, each process also has its own signal action. This behavior set specifies how to process the signal. ...

Building nginx service under Linux 1.nginx introduction: Nginx is an open-source, high-performance and highly reliable Web and reverse proxy server, and supports hot deployment. It can run almost 7 * 24 hours without interruption. Even if it runs for several months, it does not need to be restarted. It can also hot update the software version ...

catalogue 1.1 close SWAP partition 1.2 install docker / kubedm / kubelet [all nodes] 1.3 create a Master node 1.4 add Node nodes to the current cluster 1.5 deployment container network (CNI) 1.6 testing Kuberntes cluster 1.7 deploying Web UI (Dashboard) 2. Related error reporting roleIP addressk8s-master192.168.237.5k8s-node01192. ...

catalogue preface 1, LAMP overview 1. LAMP platform overview 2. Build LAMP platform sequence 3. Advantages of compilation and installation 4. Main functions of each component 2, Compile and install Apache httpd service   1. Close the firewall and transfer the software packages required to install Apache to the / opt directory 2. I ...