Linux

Use Maven to download Spring First, we recommend a Maven book "Maven Practice". Xu xiaobin is a great learning material for Maven. Since the Spring website was revised, many netizens complained that they could not directly download Spring from the

How to view installed CentOS versions How to view the installed CentOS version: 1) [root @ localhost ~] # Cat/proc/version Linux version 2.6.18-194. el5 (mockbuild@builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48) #1 SMP Fri Apr 2

Introduction to running level and service management commands of systemd We have been using the static running level since a long time ago. Systemd provides a more dynamic and flexible mechanism to control your system. Before introducing the

Bind dual NICs in Linux6.1/6.5 Record what is used in your work today to facilitate future work.(Benefits of Dual-nic binding in Linux6.1/6.5: In the 0 mode, load balancing can be achieved for dual-nic. For example, the network speed of a single Nic

Linux --- file descriptor and redirection 1. PrerequisitesStandard input (stdin), standard output (stdout), and standard error (stderr) are often used when writing scripts, because the output information may be one of the above. A file descriptor is

CentOS6.5 install Python2.7.8 and iPython CentOS6.5 install python2.7.8 and iPython. Ipython supports tab completion. Of course, the default python is also supported. Install python2.7.8 [Root @ kcw ipython-2.3.0] # tar xf ipython-2.3.0.tar.gz[Root @

Full records of R compilation and installation in Ubuntu It is very convenient to install R in Ubuntu. You can search for r-base in the software management center for direct installation, or add the CRAN directory to the source, and then install it

Linux automatically installs service components and optimizes Kernel Parameters After Linux bare metal is installed (for installation, refer to:), you also need to install some basic components on it, which are generally manually installed one by

Gentoo :!!! Existing preserved libs ProblemsError description: After Gentoo has installed xorg-server, startx starts the desktop environment and the module error is missing. Xorg:Failed to load module "……" View log: cat /var/log/Xorg.0.log | grep EE

Attic -- backup program for deleting duplicate data Attic is a Python backup program for deleting duplicate data. Its main goal is to provide an efficient and secure data backup method. The use of the deduplication technology makes Attic suitable

Ubuntu 12.04 configuration kernel crash Automatic restart and transfer By default, Ubuntu 12.04 does not configure kernel crash and automatic restart and memory transfer. In case of kernel crash, there is no core dump file for analysis, and it is

You do not need to enter a password to copy files in batches using scp in Ubuntu. You do not need to enter a password to copy files in batches using scp in Ubuntu. Scp is short for secure cpoy. scp is a secure remote file copy command based on ssh

Mount SUSE 6.1 NFS on AIX 11.1 Requirement: Create NFS AIX6.1 on SUSE11.1 and mount NFS 1. Create NFS on SUSE 11.1 (1) first install nfs-kernel-server on the installation disc (2) configure the shared directory, edit/etc/exports, and add /Nfs_dir * (

Nginx: Too program Open Files solution Summary During Nginx high-pressure testing, sometimes a WEB logs throws Too program Open Files, which is generally optimized from the following three aspects: 1. nginx. conf parameter planning and

Nginx configuration file details The following describes the composition of the nginx configuration file: I. Brief Introduction: 1. The nginx configuration file is divided into two parts: Core configuration section: Main configuration

Configure an efficient environment to optimize PHP Articles about PHP optimization often teach you how to write efficient code. This article intends to discuss the problem from another perspective and teach you how to configure an efficient

Some misunderstandings about max_chin.pdf of php-fpm At present, nginx + fpm is basically the mainstream configuration, among which we are more concerned with the configuration of pm. max_chin.pdf First, let's focus on a prerequisite: pm =

Nginx main configuration file details After Nginx is installed, the main configuration file is in the/usr/local/nginx/conf directory. Next, let's take a look at the main configuration file. The master configuration file consists of the master

Use Ambari to install Hadoop clusters in CentOS 6.5 Ensure that the network is smooth during installation! The previous article describes how to install Ambari in CentOS 6.5 (see). I will change the Host Name of installing Ambari to ambari. 1. Open

Online activity monitoring function provided by Nginx Plus Want to know what is the current situation of your Nginx server? Is it a DoS attack or a bunch of errors on the website? Nginx Plus now provides a real-time activity monitoring interface