Linux common basic commands (tree, pwd, cd)

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 ...

Posted on Sun, 29 Mar 2020 10:56:58 -0400 by Avalanche

CentOS7.6 build lamp WordPress Forum

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 ...

Posted on Sun, 29 Mar 2020 05:09:58 -0400 by coldfused

Delivery of microservices to kubernetes via jenkins

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 ...

Posted on Sat, 28 Mar 2020 14:18:27 -0400 by davidppppppppppp

nginx tcp load balancing, replacing alicloud slb

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 ...

Posted on Sat, 28 Mar 2020 12:59:44 -0400 by yumico23

Formal Learning linux-17

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 ...

Posted on Sat, 28 Mar 2020 01:01:31 -0400 by crazykid

Customize linux command parameter completion to improve productivity

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 ...

Posted on Sat, 28 Mar 2020 00:41:25 -0400 by djpeterlewis

Pared partition (disk larger than 2T)

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 ...

Posted on Fri, 27 Mar 2020 22:58:59 -0400 by wescrock

Analysis of Docker Storage Technology

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 ...

Posted on Fri, 27 Mar 2020 14:02:01 -0400 by dsaba

#IT star is not a dream

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 ...

Posted on Fri, 27 Mar 2020 12:56:45 -0400 by ravira

kubernetes master node goes down and restarts, resulting in the unavailability of kubelet

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 ...

Posted on Fri, 27 Mar 2020 10:07:39 -0400 by $kevan