[background] there are three hosts A, S, B, and the systems are all Linux. Host An and host B are in different private networks, and host S is a CVM with a public network IP. Both host An and host B can connect to host S through ssh. As shown below: [
How do I resolve the problem of default confluence and jira packets? I believe that many novice rookies can do nothing about this. Through the summary of this article, I hope you can find a solution. Solution: 1. Modify the database configuration: vim / etc/my.cnf in [mysq
This article is to share with you the CentOS system installation configuration Gitlab detailed installation tutorial, I believe that most people do not know how to install, in order to let you learn, to give you a summary of the following content, do not say much, let's read on. 1. Add yum source vim / etc
In the previous article, I talked about the construction of enterprise-level private mirror library. Today I will talk about how to apply it to our docker and use image accelerator to solve the problem of slow image access on docker hub in China. To get to the point: Centos7.3 x641. Ann
How to bind a mail server with a confluence service? In order to solve this problem, the editor summarizes this article on service configuration today, hoping to help more friends who want to solve this problem to find a more simple and easy way. 1. Configure smtp service 2. Configure pop service 3. Send
1. Preparation: the virtual machine should be able to access the Internet systemctl stop firewalld / / turn off the firewall seteforce 0 install wget (as shown below) yum install-y wget2, deploy ap
This paper takes nginx as an example to analyze the method of dynamically adding modules to installed nginx by nginx. Read the complete article, I believe that you have a certain understanding of nginx's method of dynamically adding modules to the installed nginx. Here to install the third party NGX _ http_go
How are Ceph storage pools handled by full and nearfull? To solve this problem, the editor summarizes this article on Ceph storage pool today, hoping to help more friends who want to solve this problem to find a more simple and easy way. 1. View the current cluster full to
Svchost.exe virus was found in antivirus software. The virus directory is c:\ windows\ temp. This file imitates the system process. You can find the description column through tasklist.exe / svc | findstr "svchost.exe".
K8s uses ceph to implement dynamic persistent storage https://juejin.im/post/5b766b5bf265da27e36efdfa96 CountingStars_2018.08.17 1415 37*
Brief introduction of layer 3 switching layer 3 switching technology is: layer 2 switching technology + layer 3 forwarding technology. It solves the situation that the subnet in the network segment must be managed by the router after the division of the network segment in the local area network, and solves the network bottleneck problem caused by the low speed and complexity of the traditional router. During the experiment, configure the tag v as shown in the following figure
Persistent storage Data volume should be aware that containers have a life cycle. Docker default storage method: storage type: (strage driver:overlay2.xfs) data volume has two mounting methods: 1) bi
Interllj IDEA is a compiled environment IDE with a free community version. Baidu can be downloaded, not detailed here, with the compiler needs to install Scala language support, see the previous blog. Spark is a multithreaded structure whose function is to distribute tasks to multiple
Preface in all virtualization solutions, data persistence is a problem that we need to be very concerned about, such as docker, and K8s is no exception. In k8s, there is a concept of data volumes. K8s data volumes mainly solve the following two problems: data persistence: in general, containers
How does Linux manage the permissions of files and directories with commands? In view of this problem, today the editor summarizes this article on the permissions of linux files and directories, which can be used as a reference for interested friends. I hope it will be helpful to you. Overview of permissions and attribution of files 1. Access read r
How do I install, configure and use PostgreSQL in CentOS? In view of this problem, today the editor summarizes this article about PostgreSQL, which can be used as a reference for interested friends. I hope it will be helpful to you. 1. Environmental operating system version: CentO
I have written about how to back up the data of the crash system before, but I always feel a little less. This time, I will write down what I have learned. Generally speaking, I will always be afraid and rusty to this thing if I do not operate it once. According to my previous practice, if you can't, reinstall the system, or uninstall it and do it all over again.
Format: case variable in1).;; 2).;. *).;; # *) equivalent to defaultesac example: #! / bin/bashecho "1.linux 2.window 3.m
1. Installation and configuration of Docker installation Docker first install Docker essential dependency package [root@VM_1_64_centos ~] # cat / etc/redhat-releaseCentOS Linux
1. The function of log file Log file is a file used to record all kinds of running information in Linux system, which is equivalent to the "diary" of Linux host. Different log files record different types of information, such as Linux kernel messages, user login events, program errors, and so on. Log files for