Linux

MD5 encryption algorithm source code download: Https://pan.baidu.com/s/1nwyN0xVAfter the download is complete, unzip and get two filesEnvironment Construction:1. Copy the Md5.h file to the/usr/include/directorysudo cp md5.h/usr/include2. Compile and

I. DescriptionIn some scenarios we want to filter out the empty lines and comment lines of old files, leaving the rows that produce the actual effect.For example, there are a lot of blank lines and comment lines in the configuration sample file

System crashes due to system disk usage up to 100% View those disks using up to 100% commands df-h We found that the WWW directory used to reach 100%, start cleaning up, first look for large files larger than 100MFind/-size +100m |xargs LS-LH

http://blog.csdn.net/xyang81/article/details/51555473https://www.liaoxuefeng.com/article/0013738926914703df5e93589a14c19807f0e285194fe840001,supervisor (http://supervisord.org/) is a client/server service developed with Python and is a process

Linux System Management Tools SAR Monitor network card traffic#sar-N DEV 1 1 (1 times in 1 seconds) Linux 3.10.0-123.9.3.el7.x86_64 (Iz25wvw5wozz) 01/22/2018 _x86_64_ (CPU) 03:08:01 PM IFACE rxpck/s txpck/s rxkb/s txkb/s rxcmp/s txcmp/s

Click File, create a new virtual machine, create a new virtual machineClick to see this, select the typicalClick Next, then select the Setup CD image file (ISO) and browse to find the image you downloadedClick Next, select Linux, select the highest

The C standard library and C + + STL are examples of shared components that can be linked by our programs. The benefit is that each object file does not need to be stated when it is linked, because the developer can refer to the library in bulk.

By default, the directory permission value is 755, the normal file permission value is 644, then this value is determined by WHO, the reason isumask[[Email protected]]# vim/etc/profile1. Assume thatThe Umask value is:022 (all bits are even)666-022 =6

Get ready:Cat Test.txt 1 3 4Example:Cat Xargs 1 3 4You can see that the resulting string is separated by a space.Separate the above string with a comma, you can use the TR command to replace the spaceCat Xargs TR ' ' ' , 'However, the TR command can

1. Basic Configuration and System installationBasic Configuration and System installationWindows1. Configure IP 192.168.13.XControl Panel-double-click Network Connections--local area--right-click Properties-Double-click Internet Protocol (TCP/IP)IP

1: Because you are cloning virtual machine or directly to use someone else's CentOS operating system directly open to their local virtual machine, network card may be eth1 instead of eth0, below simply write how to change eth1 to Eth0, the steps are

I. The content structure of the man Manual (the format of the manual page):Title Meaning:Name and purpose of the name Command (summary)Synopsis command Syntax (abstract)Description Full DescriptionEnvironment variables used by the environment

Source: Linux Community luzhi1024Build an FTP server in Linux.FTP works by starting two channels:Control channel, data channelIn the FTP protocol, the control connection is initiated by the client, and there are two modes of data connection: Port

1. Server-sideInstalling Service Programs for NFSYum Install-y nfs-utilsCreate Xiaobai folder (for testing purposes)Write config fileVim/etc/exportsWrite/xiaobai 10.234.1.56/255.255.255.0 (Rw,sync)The format is:The IP and mask or domain name of the

The Subprocess module enables Python to execute external commands (Linux) and programs (EXE), and to get the corresponding output results for further processing. In Python3.5, the subprocess module replaces the Os.system, os.spawn*. This module is a

Linux Kernel compilation tutorial Compile Linux-kernel 4.14.14 and use Ubuntu 16.04 64-bit system. The kernel-4.14.14 kernel File is about 96 MB. After decompression, the linux-4.14.14 directory is about 900 MB. Switch to the unzipped linux-4.14.14

Linux batch kill mysql process, linux batch killmysql It is often the case that a process needs to be forcibly killed, but if the process starts many sub-processes, it must kill all the processes that come out of ps aux, if one kill is

Summary of common operations on Linux system domain servers and summary of linux domain servers 1. domain account a grants administrator permissions to local computer B ---- used to solve problems such as software installation failure caused by

12 ip command examples Year after year, we have been usingifconfigCommand to perform network-related tasks, such as checking and configuring Nic information. HoweverifconfigIt is no longer maintained and abolished in the latest version of

Use MySQL 16.04 + PHP 7 + Apache in Ubuntu 5.7 to deploy Nextcloud Deploy Nextcloud using MySQL 16.04 + PHP 7 + Apache in Ubuntu 5.7.Preparation If you want to use VPS or cloud host as the Nextcloud server, you can install an Xshell first. Note: In