Linux

First, installation The current version is 4.6.5, where the source package is no longer listed, because the package is available from the most common Linux system sources: The code is as follows Copy Code Centos/redhat

1.windows Install PHP7 alpha only need to download from the official web http://windows.php.net/qa/then directly configure it, if you don't you can download PHP Manager, direct configuration can be. This time need to test, open the Command Line

Operating system: CentOS 6.x 64-bit Implementation Purpose: Install deployment memcached Server First, firewall settings Vi/etc/sysconfig/iptables #编辑防火墙配置文件, add the following code -A input-m state--state new-m tcp-p TCP--dport 11211-j ACCEPT :

Linux memcache server-side installationServer side is mainly installed Memcache server side, the latest version is memcached-1.3.0.Download: http://www.danga.com/memcached/dist/memcached-1.2.2.tar.gzIn addition, Memcache used libevent This library

Today, my colleague asked me to install Ruby and rails on a test machine, and there was a compilation error in installing ruby-1.8.7. as follows: Ossl_pkey_ec.c:815:error: ' ec_group_new_curve_gf2m ' undeclared (in the This function)Ossl_pkey_ec.c:8

Method OneSuppose we currently have two servers:(A) *.111(B) *.222Now we are going to copy all the files in the/temp/directory on the *.111 server to the/test/directory of the *.222 server;Let's do the command line mode:Type the following

First, introduce a web-circulated Yahoo company once used to collect hardware information script, you can view and download hwconfig here. Download Address: Https://github.com/smilejay/shell/blob/master/sh2012/hwconfig. It executes on one of my

It may be that we use a smaller VPS system with less memory performance when running certain programs. Here we can focus on creating and increasing swap space for Linux Xen VPS hosts, which provide sufficient resources for the program to run. Swap

Students who use Linux or UNIX systems may not be unfamiliar with the #! symbol, but do you really know it? This article will give you a brief introduction to Shebang ("#!" ) This symbol. First of all, the name of the symbol (#!), translated into

Chmod often used. But the basics are limited to the use of chmod 755 A1. or 777.Today encountered a problem to think, let a folder can only see themselves, others can not see. I don't know, it's a few. Deliberately learn the meaning behind these

The first two days a 128G memory of the Oracle host failed to trigger Kdump, eventually due to the lack of Var directory space, resulting in incomplete kdump generation. Combined with previous Redhat recommendations, crash set the space better than

The interview will be Beimian to the problem is: give the Web server access log, please write a script to statistics access to the top 10 IP? What are the top 10 requests for access? When you get to know the goaccess, you'll understand that the only

1. DF can view the level of folder size, usage ratio, file system and its mount point, but not for the file (see only the windows of the similar C disk, D disk)Du can view the size of files and folders, more useful 2. [Ia@i5a6 ~]$ Df-h Parameter-H

Process: Using ln to do directory link testing, the implementation of the RM-RF completely delete the contents of the directory link, the execution is over, only to find the tragedy. Then I thought I could recover no, but it was late. Need to

The DF command can show the available space and usage for all current file systems, and see the following example: The following is a code fragment: The code is as follows Copy Code [Yayug@yayu ~]$ Df-hFileSystem Size

The chroot (change root) command replaces the root directory with the specified destination directory.,SyntaxChroot [-- help] [-- version] [Target Directory] [execute command...]Parameter description: -- Help online help. -- Version: displays

Run the tcpdump command to list the packet headers that pass through the specified network. In Linux, you must be a system administrator.SyntaxTcpdump [-adeflnNOpqStvx] [-c ] [-dd] [-ddd] [-F ] [-I ][-R ] [-s ] [-tt] [-T ] [-vv] [-w ] [output data

Statserial (status ofserial port) can display the status of each pin, often used to determine whether the serial port is normal.SyntaxStatserial [-dnx] [serial device name]Parameter description: -D indicates the serial port status in decimal

When formatting a disk using this command, it is best to specify a device like the following: /Dev/fd0d360 drive A: the disk size is kb. /Dev/fd0h1440 drive A: the disk size is 1.4 MB. /Dev/fd1h1200 drive B: the disk size is 1.2 MB.If a

And the operating system can be started through the network. During the startup process, the terminal requires the server to assign an IP address, and then use TFTP (trivial file transfer protocol) or MTFTP (multicast trivial file transfer protocol)