Linux Programming-Database (chapter seventh)

7.3 Database This is the DBM database for Linux, and the code is downloaded in dbm database code. You can use files to store data, why do you need a database? Because in some cases, the characteristics of the database provide a better way to solve

Linux system add root certificate Linux certificate trust list

1.linux access to HTTPS certificate issues[[Email protected] ~]# curl -v https://mobile.mycard520.com.tw* about to  connect ()  to mobile.mycard520.com.tw port 443  (#0) *   trying  220.130.127.122... connected* Connected to mobile.mycard520.com.tw 

Linux system add root certificate Linux certificate trust list

1.linux access to HTTPS certificate issues [[Email protected] ~]# curl -v https://mobile.mycard520.com.tw* about to  connect ()  to mobile.mycard520.com.tw port 443  (#0) *   trying  220.130.127.122... connected* Connected to mobile.mycard520.com.tw 

"Linux operating System" file compression and file permissions

"Linux Bingshu" Reading notes &3Only a few common commands are recorded, and the command that is biased is not recorded.Zip and Unzip file compressionThe zip command and the unzip command process the. zip file, which is used to compress the file,

< six > Linux file permissions and directory configuration

1. In Linux, any file has the "User, group and others" three identities of individual permissions.Take Wang Sanmao as an example, Wang Sanmao This "file" user is Wang Sanmao, he belongs to Wang Damao This group, and Zhang Piglet relative to Wang

Linux SVN server Setup, client operation, backup and recovery

Subversion (SVN) is an open source version control system that manages data that changes over time. This data is placed in a central repository, which is much like an ordinary file server that remembers every change in the file so that it can be

Linux amp Build

Linux Lamp SetupFirst, install MYSQl1. Download the MySQL package to this directorycd/usr/local/src/2. Download packagewget http://syslab.comsenz.com/downloads/linux/mysql-5.1.40-linux-i686-icc-glibc23.tar.gzNote: The above address is for 32-bit

VMWARE-CLI for Linux

Modifying the environment variables of the system vmware-install.pl agent issues appearing in theHttp_proxy=xxxxxFtp_proxy=xxxxxAdd HTTP, FTP environment variables to BASHRC or profile so that they can be used in global.Export http_proxy= #

Please try to answer a question about unix/linux automatic expansion stack

Have the ability to come out, do not have the ability to be a turtle!If let me answer about the process stack, line stacks problem, as long as the problem is not general, as long as the problem is clear, I will lay it on to answer, the correct rate

Blocking and non-blocking operation of Linux under serial port

There are two ports that can be controlled for serial blocking (simultaneous control of Read and write): One is the opening of the serial port, whether the open function with O_ndelay, the second one can be opened after the serial port through the

"Turn" support and implementation of Linux network card driver for Ethtool

One notable feature of Linux is its powerful network capabilities, which support almost all network protocols and provide a wealth of applications based on these protocols. The importance of Linux network management is self-evident, these management

Linux Learning Summary

Linux Learning SummaryAfter the end of a semester of Linux learning I harvest very rich, in this study, we tried a new way of learning, Linux Flip class, every week on the MOOC website followed by the teacher to explain the video learning and

Linux text dos format to UNIX format, remove ^m symbols

Q: I pass a text file to Linux in Windows via FTP, but after opening the text file, each line has a ^m flag at the end. Because of the long, with the editor to remove too much trouble, what is the solution? A : In order to solve this problem,

Linux interprocess communication-Shared memory

A shared memory introduction shared memory can be literally understood,share a piece of logical memory, let different processes access it, modify it。 Shared memory is a very efficient way to share and pass data between two running processes. Memory

Data Backup tool under Linux rsync

Rsync is a file synchronization and Transfer tool under a Unix system. Rsync can not only synchronize data remotely (like an SCP), but can also synchronize data locally (similar to CP), but unlike CP or SCP, rsync does not overwrite previous data

Linux text dos format to UNIX format, remove ^m symbols

Q: I pass a text file to Linux in Windows via FTP, but after opening the text file, each line has a ^m flag at the end. Because of the long, with the editor to remove too much trouble, what is the solution?A: In order to solve this problem, Linux

Linux File Basic Properties

Linux system is a typical multi-user system, different users in different positions, with different permissions. In order to protect the security of the system, the Linux system has different requirements for different users to access the same file (

Common commands for working with directories in Linux

let's look at a few common commands for working with directories:LS: List directoryCD: Switch directoriespwd: Displays the current directorymkdir: Create a new directoryRmDir: Delete an empty directoryCP: Copying Files or directoriesRM: Remove files

Linux system Programming-thread synchronization and mutual exclusion: nameless semaphores

Signal Volume OverviewSemaphores are widely used for synchronization and mutual exclusion between processes or threads, which is essentially a nonnegative integer counter that is used to control access to public resources.programming can be based on

Linux system programming-thread pool

Thread Pool FundamentalsIn the traditional server structure, there is always a total listener thread listening to there is no new user connection server, whenever a new user enters, the server opens a new thread user to process the user's packet.

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