Linux

Binary and source versions install MySQL5.7.13, and simply introduce the differences.First, the general binary part1. Download the MySQL generic binary package.[Email protected] ~]# wget

Linux (CentOS ):The system default value is 32768-61000.Modification Method:In/etc/sysctl.conf, add the following configuration: (Open 20000-50000 is the completion port)net.ipv4.ip_local_port_range=20000 50000Restart the platform after

Du-sh * Query all file sizes in this directory rm-rf/root/* delete all files in this directory df-h disk size Create directory: mkdir create file touch with "cp-r" recursive copy yum install lrzsz sz download RZ uploadHistory Command

Linux learning experience Linux under the installation and use of ant1. Preface2. Ant Installation3. Simple Ant InstanceFirst, prefaceThis blog post records the installation and use of Ant under LinuxThis article is based on the following

One. InstallationYum Install Subversion　　Two. ConfigurationThis system adopts the strategy of building a repository for each project separately. Configuration files, password files, access control files, etc. are all placed in the Conf directory of

There are two ways to create a process first, fork () and Execve () They are system calls, but run differently.Create a process can use the fork system call, and then the child process will get the data segment of the parent process, the stack

The IP command is the newer powerful network Configuration tool under Linux.(1) Usage:usage: IP [OPTIONS] OBJECT [COMMAND [ARGUMENTS]](2) Function:Features: IP commands are used to display or manipulate the Linux host's routing, network devices,

When you want to install the Linux operating system, be sure to know your purpose, different uses to plan different installation methods.First you need to know some concepts:Mount: Use a directory as the entry point and place the partition data in

(Before I published an article on the CUSEC website about the kernel is not scary, this article is follow-up.) ）I once asked others how to start the kernel programming study, they basically said:1. If you don't need to know how the kernel works for

DHCP server settings1. Set the DHCP server network address to static assignment first:Vim/etc/sysconfig/network-*/*-eth0Device=eth0Onboot=yesBootproto=staticshwaddr=00:0c:29:56:ea:8aipaddr=192.168.1.109gateway=192.168.1.1netmask=255.255.255.0Service

Linux operating systems and drivers run in kernel space, applications run in user space, both cannot simply use pointers to pass data, because the virtual memory mechanism used by Linux, user-space data may be swapped out, and when kernel space uses

The new company's test server disk space is very small, log a lot, also very big, do a log compression script, 4:30 in the night automatically run, the second day found disk space is full, had to delete useless logs, empty space, can be weird is how

1. Relationships between processes, lightweight processes, threads, thread groups2, and their identification of the relevant instructionsI. Relationships between processes, lightweight processes, threads, thread groupsWith instructions:The process P0

Linux scheduled task settings and linux task settings Create a cron service for the current user 1. Type crontab-e to edit the crontab service file. For example, the file content is as follows: */2 *****/bin/sh/home/admin/jiaoben/buy/deleteFile.

Du command cheatsGuideThe du command is used to check the hard disk usage and calculate the disk space used by files, directories, and subdirectories. Different combinations of parameters can improve work efficiency faster. Only frequently used

Install HAProxy 1.5.11 in Ubuntu 16.04 for tcp load balancing The latest version of haproxy1.5.11 has been downloaded. The installation process is as follows: 1. Decompress haproxy-1.5.11.tar.gz: tar xzvf haproxy-1.5.11.tar.gz 2. Enter the extract

Enterprise-level automated O & M deployment in CentOS 6.5-Ansible I. Introduction to AnsibleAnsible is very different from some other project management tools on the market. It was designed to facilitate and quickly manage configurations. It is easy

Flask + uWSGI + Nginx + Ubuntu deployment tutorial Learn Flask. When you write a Flask application and need to deploy it, you will think about tossing your own server. According to the search tutorial, I have a thorough understanding of the

Compile Hadoop 2.2.0 on CentOS Download the binary package prepared by hadoopprecompiled by hadoop-2.2.0.tar.gz. After the package is started, the following warning always appears: WARN util.NativeCodeLoader: Unable to load native-hadoop library for

Start Tomcat access 8080 in Eclipse and report Error 404 If eclipse and tomcat downloaded from the official website are not added to the project, visit localhost: 8080. The Error 404 is reported. The cause is that eclipse points to tomcat by