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Beats Introduction to Beats: Lightweight data collector: Beats platform integrates a variety of single purpose data collectors. They come from hundreds or thousands of machines The device and system send data to Logstash or Elasticsearch.Beats series: full category collector to handle all data types. ① Filebeat: log file ② Metricbeat: ind ...

colony Cluster overview What is a cluster A group of computers interconnected through a high-speed network and managed in a single system modeMany servers come together to provide the same service, which looks like a server to the clientRelatively high benefits in performance, reliability and flexibility can be obtained at a lower costTa ...

1. Select the host by using the host mode 1.1 reference list host Host mode is used to specify the host to be the target of play or temporary commands. In its simplest form, the name of the managed host or host group in the list specifies the host mode of the host or host group. In play, hosts specifies the managed host against which to ...

RH358 manage DHCP and IP address assignment – configure IPv6 address assignment This chapter describes how to configure DHCP to allocate IPv6 addresses. Although it is still a bit weak, it can be used for understanding and learning. 1. Overview of IPv6 address automatic configuration IPv6 has many ways to configure network int ...

introduce When performing an NFS mount, you may see the device busy. In this case, you must force the uninstall in an appropriate way. View mounted partitions Using df -h to view partitions # df -h Filesystem Size Used Avail Use% Mounted on /dev/vda1 20G 3G 18G 7% / devtmpfs 236M 0 236M 0% /dev tmpfs 245M 0 245M 0% /dev/shm tm ...

Manage large playbook s If the playbook is complex, we can divide it into smaller files (that is, decouple) for easy management. Multiple playbooks can be combined into one main playbook in a modular way, or the task list in the file can be inserted into the play. To facilitate simpler management. Include or import files Ansible can use ...

Web Server Setup Introduction to Web Services The process by which a server interacts with a browser using the HTTP protocol The browser determines the URL of the web pageBrowser requests IP address resolved by domain name serverThe browser requests a TCP link from the host's port 80The server confirms the connection request and the proc ...

Background; Another experience of abandoning windows The main reason is that the host is old and used for another host. I installed rocky linux directly. Personally, it's ubuntu appropriate. But I am a standard centos user. Just in time for the curtain call of centos. By the way, experience rocky linux, the father of centos! The process of ins ...

Preparation before experiment rm -fr /etc/ssh/sshd_config dnf reinstall openssh-server -y systemctl disable --now firewalld 1.journald Service Name: SYSTEMd journal service journalctl Default log storage path: / run/log 1.systemctl status systemd-journald.service: View service status 2. Default storage path: the name of the directo ...

Environmental requirements Three machines are prepared here. The machine 192.168.30.68 is also the host of the harbor warehouse [root@master1 yum.repos.d]# cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost 127.0.0.1 master14.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomai ...