Programmer Help

pwd and cd commands >pwd command is the acronym of each word in "print working directory". Its function is to display the absolute path of the current working directory. In practice, when we operate commands on the command line, we often switch between directory paths. At this time, we can use pwd command to quickly view the curre ...

Environmental preparation: Intranet IP: 192.168.0.36 Package version / download address: mysql Software package: wget https://dev.mysql.com/get/Downloads/mysql-5.6.24.tar.gzapache Software package:　　　　　　 wget https://mirrors.aliyun.com/apache/httpd/httpd-2.4.38.tar.gz 　　　　　　　wget https://mirrors.aliyun.com/apache/apr/a ...

With the spread of Kubernetes, Kubernetes'advantages can be said to be deep-rooted. Many enterprises also use Kubernetes to achieve more efficient delivery and improve our resource utilization, promote standardization and adapt to the cloud. With Kubernetes and Cloud Native accelerating the arrival of enterprise products, here are a few points ...

We know that nginx was only used for http load balancing, while TCP and UDP used lvs or haproxy for load balancing, but both of them need to be bound with logical addresses. So the problem is that public virtual machine cannot be bound with logical addresses, so we can only use SLB provided by alicloud, so there will be two problems. 1. Spend ...

1. Configure iscsi server Tagetcli is a dedicated configuration command for managing iSCSI server-side storage resources, which provides interactive configuration capabilities similar to fdisk commands. [root@linuxprobe ~]# targetcli Warning: Could not load preferences file /root/.targetcli/prefs.bin. targetcli shell version 2.1.fb34 Copyr ...

When using the bash command, we often use the secondary tab key to complete. For example, our common telnet command lists all the host names of the current system configuration for selection when entering the secondary tab key # input telnet <Tab> <Tab> [huangcihui:/home/huangcihui] telnet ::1 localhost ...

Disk mount problem: Fdisk can only create disks with a maximum of 2T partitions and uses parted disks with more than 2T Requirement Description: An 8T disk was bought on the cloud server and is ready to be mounted to the / data directory on the server. ****parted command description ****   # parted/dev/vdb Partition or management of/d ...

Docker supports many storage drivers on Linux, each with its own implementation of mirror layers, mirror layer sharing, and write-time replication (CoW). Docker Storage Infrastructure Mirror Layering All Docker mirrors start with an underlying mirror layer, which is created when new content is modified or added.The default Docker image is made ...

Preface This paper studies how to use small programs to connect to the cloud platform, and then control the RGB three-color light device connected to the onenet cloud platform in the previous section. 1, Theoretical basis 1. Preview Video address: https://www.ixigua.com/i6806304062091297292/ 2. Brief description of function points Applet star ...

A k8s master node loses its remote connection. After reconnecting, it is found that the running time of the server becomes shorter. The operation time of the other master node is 18 days. It is suspected that the machine is down and restarted. [root@hdss7-21 ~]# uptime   15:56:20 up 22:01,  1 user,  load average: 0.38, 0.35, 0.41 Check the run ...