Linux foundation - threads

1. Thread concept 1.1 comparison between threads and processes Threads are similar to processes, both of which have PCB s The underlying functions of both are the same, and both use clone Processes can become threads Under Linux, thread is the smallest unit of execution; process is the smallest uni ...

Added by pcwizzzz on Thu, 18 Jun 2020 08:51:58 +0300

Linux - NFS server summary

reference resources http://cn.linux.vbird.org/linux_server/0330nfs.php#What_NFS_0 Introduction to NFS introduce NFS is network Short for file system, the main function is to let different machines and different operating systems share the specified resource files with each other through the network. It can be simply considered as a ...

Added by rhaggert on Wed, 17 Jun 2020 07:47:11 +0300

shell script exercises

1. Count the number of files under / var/log. //find /var/log -type f | wc -l; 2. How to output the running result of F1.txt file to F2.txt? // ./F1 > F2.txt shF1 > F2.txt; 3. Write a script to judge which ip addresses are currently online in the 192.168.1.0/24 network, and ping the gen ...

Added by brbsta on Sun, 14 Jun 2020 05:18:43 +0300

Signal 2 of IPC mode under Linux

Signal 2 of IPC mode under Linux 3. Signal set operation function 3.1 signal set setting 3.2 sigprocask function 3.3 sigpending function 3.4 put the pending signal set of all conventional signals on the screen 4. Signal capture (important) 4.1 signal function 4.2 sigaction function 4.3 signal capt ...

Added by moola on Thu, 11 Jun 2020 09:57:44 +0300

[reptile] Selenium actual combat notes

selenium initialization Note that if Chrome is not installed in the default path, you need to use the option.binary_location sets the path of chrome. If the chrome driver is not in the same path as the current code, you also need to set the path of the chrome driver. option = webdriver.ChromeOptions() ...

Added by rachae1 on Tue, 09 Jun 2020 08:30:54 +0300

Simple and detailed harbor build

preparation in advance Offline package download: https://github.com/goharbor/h... Select 572MB tgz Hearing that 1.7.6 seems to have a bug, for insurance reasons, I choose 1.8.5 Note minimum installation requirements Installation steps Install docker, configure the source below, and install a specific version of docker (reference documentati ...

Added by rodin on Sun, 07 Jun 2020 04:23:22 +0300

Python automation operation and maintenance practice: collecting data from Linux system

Use Linux commands to view data about the current system status and health. However, a single Linux command and application can only obtain one aspect of system data. We need to use the Python module to feed these details back to the administrator and generate a useful system report at the same time. ...

Added by Simon Mayer on Fri, 05 Jun 2020 07:12:29 +0300

Docker container and image of kubernetes

Container and image container Common container States running stopped paused created deleted Note: to view the commands used for docker status: docker ps: container for viewing running status docker ps -a: View containers in all States docker ps -qa: view all container ID S docker stop $(docker ps -qa): stop all containers docker rm $(docke ...

Added by shutat on Mon, 01 Jun 2020 11:28:09 +0300

logstash and filebeat collect logs

1. Background Log collection adopts ELK framework, i.e. elasticsearch, logstash, kibana, and filebeat component. Filebeat is used to scan log files and send logs to logstash service, while logstash service completes log segmentation and sends logs to elasticsearch service. 2. Deployment steps of filebeat (log - > logstash) Download the ...

Added by Funbruk on Sun, 31 May 2020 19:13:13 +0300

vnc server,vnc connection linux, linux Installation vnc server tutorial.

Introduction to vnc server vnc server is a service opened on the server in order to satisfy the distributed users to share the resources on the server. The corresponding client software is vnc viewer. vnc server can also be different operating systems, such as using windows to access linux system resources remotely. VNC connecting Linux 1. Do ...

Added by GM on Sun, 31 May 2020 01:21:49 +0300