Linux

Operating system versionCreate MySQL groups and usersDownload the latest version of MySQL 5.7.182 package and upload it to the server's usr/local directoryUnzip the MySQL binary packageThe following is the file information after the decompression

I always thought CP was a very simple instruction. It turned out to be a pit. Record it.Folder 1:test1/Folder 2:test2/Target: Copy all files and directories in the test1/to test2/Correct instruction:CP -RF test1/. test2/Note that the back of the

What operations does Linux support have atomic characteristics? Knowing these things is the basis for understanding and designing a non-locking programming algorithm.The following things are organized from the Web. First of all, thank you for

Ubuntu forgot password. Workaround:http://blog.topspeedsnail.com/archives/6042.Learn the Tutorial:Http://www.ee.surrey.ac.uk/Teaching/Unix/unix2.html.In addition, the Linux Learning Resources link, also only looked at two, the content is many:Https:/

1) configuration file: Vi/etc/exports, add/var/share * (rw)2) Turn off firewall: Service iptables stop3) Boot service: Chkconfig portmap on and Chkconfig NFS on4) Open Services: Service Portmap Restart and service NFS restart5) Create a shared

The waiting queue mechanism in the Linux kernel is used very much in the driver development, it is used for blocking access, and the following is a brief summary of the four usage of waiting queue, hoping to help readers.1. Sleep waits for a

Reprinted from Csdn Blog: http://blog.csdn.net/gobitan/article/details/5644151First step: Find the core file which program produced it.[[email protected] dennis]# file core.11751Core.11751:elf 64-bit LSB Core file AMD x86-64, version 1 (SYSV),

1. In the Linux batch delete multi-level directory under the same format file, can use the Find + EXEC command combination:For example, in all subdirectories where the old directory is deleted, the file method with the suffix. L is:Find Old-type

1, download the installation package http://www.oracle.com/technetwork/java/javase/downloads/index.html . i downloaded the jdk-8u131-linux-x64.tar.gz.2, upload the installation package to Linux /usr/java(you can choose the corresponding directory)3

Overview I/O types: Synchronous and Asynchronous: synchronous, asyncrhonousthe focus is on the message notification mechanismSynchronization: The call does not return immediately, but once returned, the final result can be returned;Asynchronous:

Installing Libncurses5-dev Installing with Apt-getapt-get install libncurses5-dev Installing ARM-LINUX-GCCReference: Ubuntu 12.04 Embedded Cross-compilation environment ARM-LINUX-GCC construction process diagram Download the

Sixth chapter Users, user groups, other people Permissions: Read R, write W, execute X CHGRP: Changing the user group to which the file belongs Chown: Change the user who owns the file CHOMD: Changing the permissions of a file

1. Specify a file storage location USR/LOCAL/SRC2. Download Nginx, wget http://nginx.org/download/nginx-1.12.0.tar.gz3. Unzip: Tar zxf nginx ...4. Go to nginx directory, do not know how to operate can view help (./configure--help)Specify the

We first come to the ETC directory with Vim to see the inside of the passwd file. As shown below:Enter the following as follows:These are the user's information. After the installation of the operating system, the system will automatically generate

Our user name under Windows can be set blank password login, but in Linux must be set up a password to log in, otherwise it will fail ...Setting a password under Linux can be set using the passwd command ...But here the passwd is not the ETC

Using Sambasudo apt-get install SambaSet up a mount directory under Ubuntu: mkdir workCreate new folder under Windows work, set properties, sharesudo mount-t cifs-o username=username,password=password//192.168.16.103/work/home/lancer/work/Then there

User Security LevelFirst step: Install SAMBA3 (Skip this step if you have already installed)[[email protected]/]# Yum groupinstall "CIFS file Server"Step Two: Modify the configuration file[Email protected]/]# vi/etc/samba/smb.confSet the value of

Recently, the original 32-bit system was re-installed to the 64-bit Win7 flagship version, but also want to try Linux, so in Win7 installed Linux implementation of the dual system, is Ubuntu 12.04 version, It is said that the latest version of the 14

Use of bcache and bcache I. Prerequisites: The bcache module must be configured in the kernel. 1.1 check -In the kernel: Check whether the/sys/fs/bcache directory exists. If no bcache exists in the kernel -Check whether the internal kernel module

Openssl enc (symmetric encryption) and opensslenc Encryption Symmetric encryption tool. It is easy to understand the principle of symmetric encryption. The principles are described below. Openssl enc-ciphername [-in filename] [-out filename] [-pass