linux kernel list
General linked list
Keywords: discontinuous storage, dynamic generation, pointer connection, data and and pointer fields.
By head node:
Lead linked list (no data field in the head node)
By no ...
Posted on Mon, 18 Nov 2019 11:47:31 -0500 by bough
Change the number of Nginx running processes
In the high concurrency scenario, more Nginx processes need to be started to ensure fast response, so as to process users' requests and avoid blocking. There are more running processes. When responding to the access request, Nginx will not start a new process temporarily to provide services, which r ...
Posted on Mon, 18 Nov 2019 09:52:12 -0500 by Cesar
For object - oriented programming, the concepts of namespace and use are very important
1. The root namespace is a backslash \, which is a bit similar to the root directory / in linux, but when using the var_dump() function to print, it is actually an empty string
2 //string(0) ""
2. For the child namespace under th ...
Posted on Mon, 18 Nov 2019 09:03:43 -0500 by zoooj
inode (file node) and block (data block)
Hard link and soft link
Recover the deleted files by mistake (that is, RM RF can be backed up first, then ext4 and xfs can be recovered)
Classification of log files
User log and program log
I. overview of inode and block
File data includes meta information and actual data
The fi ...
Posted on Mon, 18 Nov 2019 08:13:04 -0500 by tylrwb
Absrtact: This paper mainly records the reason why the host name becomes bogon and the solution.
After a login, the host name becomes bogon, and then it will be bogon every time you log in to the Linux system.
1 Connecting to 192.168.35.128:22...
2 Connection established.
3 To escape to local shell, press 'Ctrl+Alt+]'.
Posted on Mon, 18 Nov 2019 05:41:38 -0500 by xmatthawkx
I. project introduction
The project aims to let enterprises or individuals who intend to use the native kubernetes cluster manually build the kubernetes high availability cluster in a convenient and systematic way. And let related personnel better understand the operation mechanism of kubernetes cluster.
OS CentOS 7.7 (ubuntu ...
Posted on Mon, 18 Nov 2019 04:11:52 -0500 by Lol5916
Bowen catalogueI. overview of rsync1. Basic usage of rsync command2. Configure rsync1. Configure rsync for synchronous authentication2. rsync regular synchronization3. Configure inotify+rsync real-time synchronization
I. overview of rsync
Rsync (Remote Sync) is an open-source fast backup tool, which can synchronize the entire directory tree ...
Posted on Mon, 18 Nov 2019 03:16:36 -0500 by LiamBailey
This blog post describes how we use the Jacobo Maven plug-in to create code coverage reports for unit and integration tests.
Our construction requirements are as follows:
When running tests, our build must create code coverage reports for unit and integration tests.
Code coverage reports must be created in a separate directory. In other words, ...
Posted on Mon, 18 Nov 2019 02:51:19 -0500 by jannoy
1. Deploy docker
1.1 deploy docker component
docker runs and manages containers, and kubelet interacts with it through the Container Runtime Interface (CRI).
1.2 download docker
1 [root@k8smaster01 ~]# cd /opt/k8s/work
2 [root@k8smaster01 work]# wget https://download.docker.com/linux/static/stable/x86_64/docker-18.09.6.tgz
3 [root@k8smast ...
Posted on Sun, 17 Nov 2019 23:50:24 -0500 by bruceleejr
I. deployment of kubelet
kubelet runs on each worker node, receives the request sent by Kube API server, manages the Pod container, and executes interactive commands, such as exec, run, logs, etc.
When kubelet starts, it automatically registers the node information with Kube apiserver, and the built-in cadviser counts and monitors the resourc ...
Posted on Sun, 17 Nov 2019 23:45:26 -0500 by dev99