Linux

For command-line users, frequent CDs and tabs should be the most used commands in their daily work. Especially for heavy users, if you can save so much CD and tab, more time to do meaningful things that much better. In fact, the learning process of

Analysis of SVN-based branch Development Process When using svn multi-person collaborative development, the general method of work is as follows: Check warehouse pickingCreate and maintain a Development BranchMerge the trunk code back to the trunk

Linux Command Tutorial: lsof entry Lsof is an Uber tool for system management/security. Most of the time I use it to obtain network connection-related information from the system, it is only the first step of this powerful and little-known

Detailed explanation of Pig cogroup Starting from an instance % Default file test.txt A = load '$ file' as (date, web, name, food ); B = load '$ file' as (date, web, name, food ); C = cogroup A by $0, B by $1; Describe C; Using strate C; Dump C; $0

Server monitoring-Nagios Configuration Server monitoring-Nagios Configuration First, add the email alarm address. Vim/usr/local/nagios/etc/objects/contacts. cfg Define contact {Contact_name nagiosadmin;Use generic-contact;Alias Nagios Admin;Email

Pig simple code example: report statistics on clicks and exposures in the industry Note: run or exec is used in pig to run the script. Other commands except cd and ls are not required. In this Code, the rm and mv commands are used as examples, which

Puppet manages Nginx hosts I. Introduction Puppet manages Nginx hosts and adds nginx hosts to puppet to automatically install, configure, and start services. Ii. nginx module structure [Root @ master modules] #

Notes on installing GlassFish4.0 on CentOS 6.5 Notes on installing GlassFish4.0 on CentOS 6.5 1. Install JDK. Pay attention to the number of digits in the operating system, 64 or 32: [Root @ bkjia ~] # Mkdir/usr/java[Root @ bkjia ~] #

Notes on Pig code format Notes on Pig code format 1, % default file test.txt do not use quotation marks, neither ''nor. 'File' is not recognized 2, equal sign = pay attention to both sides. It must be empty before and after. Therefore, it is best to

Create and use an automated O & M tool Fabric-Fabfile This article is from the official Fabric document. The original Article is Fabfile construction and use. This article contains the following two items about fabfiles: How to write the best

LNMP + FastCGI platform build script This script describes how to build the LNMP + FastCGI platform. The installation package to be prepared is as

Setting up a DHCP server in Linux (RHEL5.2) Environment: DHCP server IP address 192.168.1.211 (RHEL5.2) When there are a large number of hosts in the LAN, It is very laborious to manually configure network parameters such as IP addresses, default

Cacti installation and deployment case By deploying Cacti, You can monitor your company's vswitches, routers, and servers. This solution solves the running status of various devices in real time, such as the current memory usage, disk usage, and nic

Performance Comparison Between require and file_get_contents when PHP loads large files During the development process, it is found that when require is used to load a large (several hundred K or even several megabytes) configuration file, the

SVN usage Specification 1. comments must be provided for submission Clearly submitting comments helps others understand your changes, quickly locate problems, and help the Project Manager grasp the development progress. Therefore, when submitting

Detailed description of the storage path and file of the Linux svn Server Svn has two storage methods: BDB and FSFS. Currently, the most common storage method is FSFS. This method is generally stored in the \ db \ revs folder, there are a bunch of

Summary of the solution for rejecting the link when using Eclispe to connect to Hadoop in Ubuntu In Ubuntu, use eclipse to connect to the cluster and view the file information, prompting port 9000 to reject the connection error.Cannot connect to the

Deploy website applications using Fabric I used to use rsync to synchronize code to the server. This method can be used once or twice, and it is troublesome to deploy it 10 times a day. Recently, I took the time to study Fabric, it's so nice to

OpenVPN Optimization-giant frame Over the past few days, I have been busy with the performance problem of OpenVPN. This is really an old problem. I have been repairing and completing it for several years until the implementation of multi-thread

Use Fabric to upload your public key to the server Fabric is a good deployment helperThe following code implements the ssh-copy-id functionBatch upload your id_rsa.pub to a group of servers @ TaskDef copy_id (file = "~ /. Ssh/id_rsa.pub "):"Fab push