Cao Gong's random talk -- with only one command, what software is installed in centos system and when it is installed are all clear

Preface For a long time, the mastery of linux is the state of half bucket of water. Usually, you can load something from yum and rely on a bunch of things as a result. Then you can load something from the source code. You only know make and make install. What's behind it is unclear and it's inconvenient to unload. These days, I need to write ...

Posted by baseballkid420 on Tue, 28 Apr 2020 04:30:24 -0700

How to specify the use of CEPH fuse in k8s

Originally, I wanted to use CEPH fuse, but as a result, I always reported mount can't read super Block error, but I only installed the rpm package of CEPH fuse for the host. kublet is actually using the kernel mount mode to mount cephfs. This is a mistake that can't be repeated. But how to specify kubelet to use CEPH fuse to mount cephfs? I goo ...

Posted by wattsup88 on Sun, 26 Apr 2020 09:26:03 -0700

prometheus installation and configuration

1, Binary package installation We can go to Prometheus binary installation package Download page Download the corresponding installation package according to your own operating system. Let's take Amazon Linux 2 as a demonstration. We will download the latest version v2.17.1 according to the current time. 1.1 download Prometheus Ser ...

Posted by BigToach on Thu, 23 Apr 2020 23:03:05 -0700

CentOS7 installation configuration MySQL

It's different from ordinary software. Instead of installing rpm directly, install rpm first to get the yum source, and then use Yum to install it Download rpm package [root@VM_149_46_centos ~]# wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm Install rpm package [root@VM_149_46_ce ...

Posted by NS on Wed, 15 Apr 2020 12:08:51 -0700

Collection again! How can MySQL maintain master-slave synchronization without downtime? This is enough

Preface In May 17, 2013, after the last IBM small computer of Alibaba group was released from Alipay, there is no doubt that MySQL is already the most widely used database in Internet Co nowadays. Mysql is free and open source, and it can be conveniently extended horizontally to support high concurrency traffic. Small and medium-sized enterpri ...

Posted by zoozle on Tue, 14 Apr 2020 02:23:11 -0700

Laobaixue programming -- an example analysis of "autotools" - netdata

Summary After learning the knowledge of autotool series for a few days, I found a practical project and compared it with the analysis. Due to the limited knowledge, I don't know how deep I can go. I'm looking forward to it. Netdata Netdata is a monitoring software, which is well done. Second level is a feature of netdata. I don't talk about it ...

Posted by shivani.shm on Thu, 09 Apr 2020 04:53:44 -0700

rabbitmq cluster deployment

0x00 introduction to rabbimq RabbiMQ is developed with Erlang, which is very convenient for clustering. Erlang is a distributed language by nature, but it does not support load balancing. RabbiMQ mode RabbitMQ mode can be roughly divided into the following three types: (1) the first mock exam. (2) Normal mode (the default cluster mode). (3) Mi ...

Posted by Salis on Tue, 07 Apr 2020 08:32:02 -0700

Deploy Rabbitmq cluster

1, Deploy Rabbitmq clusterRabbitmq cluster can be divided into two ways:1. Normal mode: the default cluster mode. The message body only exists on one node;2. Mirror mode: make the required queue into a mirror, which exists in multiple nodes.ha-mode:  all: queue to all nodes; exatly: randomly mirror to other nodes; nodes: mirror to the speci ...

Posted by surreal5335 on Mon, 06 Apr 2020 01:22:08 -0700

dockerfile production details 1

1. Docker virtual image production practice I 1) Docker commit enables the container to be submitted as a new image. The submitted image automatically enters the image list of the current system (the contents of the container image are complete); docker commit 7ec01484db55 centos7:v1 docker images 2) Docker export can implement containe ...

Posted by nafetski on Sun, 05 Apr 2020 06:03:50 -0700

Install mysql in RPM mode

System environment Centos-7 mysql version mysql-5.7.17 1. Download and unzip rpm package [root@VM_42_245_centos ~]# tar xf mysql-5.7.17-1.el7.x86_64.rpm-bundle.tar [root@VM_42_245_centos ~]# ls mysql-5.7.17-1.el7.x86_64.rpm-bundle.tar mysql-community-client-5.7.17-1.el7.x86_64.rpm mysql-community-common-5.7.17-1.el7.x86_64.rpm ...

Posted by Wo0tHigh on Sat, 04 Apr 2020 21:41:32 -0700