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Implementation of FTP cloud disk for linux small project preface In the past two days, I have reviewed the basic knowledge of linux (file IO operation, process, thread, network programming, interprocess communication) I learned before. Well, on the whole, I have a deeper understanding of the knowledge points than I learned for the first ...

Control LED light equipment Driver Essence: create corresponding device node files for hardware devices When creating equipment files, specify the use of equipment files. application program Control the hardware according to the device file usage specified by the driver Control hardware equipment steps 1. Find the device node file corres ...

1, Overall architecture of Nginx nginx in normal execution will have multiple processes. The most basic processes are master process (monitoring process, also known as main process) and woker process (working process), and possibly cache related processes. A relatively complete overall frame structure is shown in the figure: 2, Core proces ...

Write before Share some knowledge about storage on Linux with your buddiesThis part of things is almost useless, but it needs a clear definitionThe article covers: Linux file storage, LVM-related conceptsFormat partitions using the Linxu file system, mount partitionsAdjust logical volumes, add swap partitions, etc. Actual DemoThe followin ...

catalogue 1, Redis master-slave replication 1.1 definitions 1.2 role of master-slave replication 1.3 Redis master-slave replication process 1.4 set up Redis master-slave replication Experimental environment Install redis Modify redis configuration file (Master node operation) Modify redis configuration file (Slave node operation) 1.5 ...

Advanced area of attack and defense world experts - stack2 Look at the title, nothing 1, Analysis file checksec It is found that there is stack overflow protection, which has not been seen before. There may be new knowledge points. Run file It seems to be a program for inputting numbers to calculate the average value. ida open unsig ...

catalogue Foreword 1.LAMP introduction and overview 2.Apache 2.1Apache origin 2.2 introduction to Apache 3.httpd  3.1 compiling and installing httpd server 3.2 compiling and installing httpd server 4. Install MYSQL 4.1 installing MYSQL 4.2sql_ The common values of mode are as follows: 4.3 setting environment variables  5. Inst ...

Greenplum 6.17 cluster construction 1, Cluster planning Hostipfunctionmaster192.168.2.20mastersegment1192.168.2.21segmentsegment2192.168.2.22segment The password is 1 2, Environmental description nameexplainoperating systemCentos7Database installation packageopen-source-greenplum-db-6.17.2-rhel7-x86_64.rpm 3, Preparation before installation ...

Web Services Web service is one of the most popular and popular services for Internet applications. It is a platform for information release, data query, data processing, network office and distance education. 1, Introduction to Web Services Web server, also known as WWW server, is mainly used to provide online information browsing serv ...

Fundamentals of shell programming (shell script learning notes) loop In Shell programming, it is often necessary to repeatedly execute one or a group of commands, such as printing 10 "Hello World" continuously - although writing 10 echo "Hello World" instead of loop can also complete the same work, but what if printi ...