log parser 2 2 commands

File1 To reverse view the contents of a file from the last lineMore File1 View the contents of a long fileLess file1 is similar to the ' more ' command, but it allows a reverse operation in the same way as a forward operation in a fileHead-2 File1 View the first two lines of a fileTail-2 File1 View the last two lines of a fileTail-f/var/log/messages Real-time vi

user desires the hard disk spin down to conserve battery life.). The TAILF command is not a script, but a binary execution file compiled with C code, and some Linux installations do not have this command, this article provides a way to compile and install the TAILF command.1. Tailf always reads from the beginning of the file at 1.1 points, while Tail-f starts at the end of the file.2. When the Tailf check file grows, it uses the file name, which is c

to move the map instead of moving the map.NPC. Here we divide the map into three layers: Background layer: it is at the bottom layer at any time, and I don't think it should have an animation (video clip), and the background is the largest in the whole map, it has a large animation that seriously affects the speed. If you need an animation, place it in the middle layer. Foreground layer: everything that exchanges depth with players is at this layer, where they participate in game

Next, Monster Farm 2 change log 2-Marvelous ability SongBGM is a mysterious sister paper singing Super Beautiful RingsIn the previous article, we successfully found the "Collected Monster ID" list.What's the next thing to do?According to the reasoning in the previous article, when the player generates a new monster, the game program updates the list, plus the new

The User Management section of the Django blog site (using its own django.contrib.auth) 1. Registration sectionProject tools: Python 2.7.11 Django 1.10.2 Bootstrap 3.3.0 ide:eclipse Pydev1. Because Django comes with Auth, you only need to write the login URL and template.URLs common in the previous articleThe template code is provided as a reference only:Login1 {% extends "account_base.html"%}2 3 {% block title%} User login {% endblock%}4 5 {% block c

I learned about the alwaysvisiblecontrolextender control this morning. In the afternoon, I will write something and summarize the usage methods. Simple Example (display current time) 1) Create an ASP. Net Ajax-enabled web project under Vs and name it alwaysvisiblecontrolextender.2) drag and drop an updatepanel control on the page, and drag and drop a panel and alwaysvisiblecontrolextender control in the updatepanel contenttemplate. 3) set targetcontr

(1) Add jar Package(2) configuration(3) test1. Introduction of JAR PackageSet up the user Library, named slf4j Jar packages that must be addedLog4j-1.2.17.jarSlf4j-api-1.7.21.jarSlf4j-log4j12-1.7.21.jar Optional jar package (can be displayed in different colors for the console input log)Color-loggers-1.0.4.1.jarNote: you need to use the plug-in for Eclipse (ANSI E

advantages, and will gradually like to use this method. This article is intended to introduce some of the most common commands and advanced application techniques for VI. First, the basic command introduction----1. Cursor commands K, J, H, l--up, down, left, and right cursor move commands. Although you can use the 4 cursor keys on the right side of the keyboard

common linux commands Log in with the root user, modify the root user password with the passwd command, and modify a normal user password. Log in with an ordinary user and modify the user's password with the passwd command. ("#" is a system prompt for Superuser;"$" is a system prompt for a normal user)650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/4C/

OK. Check whether the development environment is successfully installed. You can compile a project in/devkitpro/palibexamples/text/normal/helloworld to try and run build. bat, Arm-Eabi-G ++-g-mthumb-interwork-MnO-FPU-L/f/devkitpro/palib/lib-specs = ds_arM9.specs main. O-lf:/devkitpro/palib // Lib-lpa9-L/f/devkitpro/libnds/lib-LFAT-Lnds9-ldswifi9-o build. ElfF:/devkitpro/devkitarm/bin /.. /lib/GCC/ARM-Eabi/4.1.2 /.. /.. /.. /.. /ARM-Eabi/lib/DS_ Arm9_crt0.o: In function 'ciloop ':Ds_arm9_crt0

A: The car starts from the starting point. It can only drive at least 1 length each time. It must be filled with fuel. You can only go to the gas station or destination at each time. You must enter the gas station when you pass, ask the minimum number of gas stations to pass. Create a graph directly at the beginning, and there is edge 1 in the range. after reading the question, I found that if the vertices are Collocated and within the range, the vertices in the middle cannot have edges. Otherwi

:@ "Tmp/rongtian.txt"];if (![ MyString writetofile:path atomically:yes encoding:nsutf8stringencoding Error:error]) {NSLog (@ "Write file error%@", error);return;}2.NSString RangeNsrange R;r.location = 4;r.length = 5;nsstring *strsub = [str substringwithrange:r];NSLog (@ "Range%@", strsub);3. Searchnsrange searchrange = [str rangeofstring:@ "Five"];if (searchrange.location! = nsnotfound) {NSLog (@ "Search location%d%d", searchrange.location,searchrange

"Tecmint [dot] com is the world's best website for qualitative Linux article" | pv-qL 20Output style Tecmint [dot] com is the world's best website for qualitative Linux article 16. mount | the command above colum-t lists all mounted file systems in a good format and specification. Bkjia @ localhost :~ $ Mount | column-tOutput style /Dev/sda1on/type ext3 (rw, errors = remount-ro)Tmpfson/lib/init/rw type tmpfs (rw, nosuid, mode = 0755)Proc on/proc type proc (rw, noexec, nosuid, nodev)Sysfson/sys

to kill) a process with the process ID 324: # Kill-9 324 (2) remove the deadlock in Linux In Linux, a program crashes and is in a deadlock state. In this case, you do not need to restart the computer. you only need to stop (or close) the problematic program. When kill is on the X-Window interface, the main program (except the crashed program) is generally started normally. Open a terminal and stop the problematic program there. For example, if the M

Release with cross-compilation: ARM-NONE-LINUX-GNUEABI-GCC. Build steps:1). In project->properties->c/c++ build->settings,configure to release, in GCC C compiler andGCC C linker command: Fill in the ARM-NONE-LINUX-GNUEABI-GCC;2). Follow this procedure to operate: http://blog.csdn.net/oqidian12345/article/details/8968078;3). After the operation is completed in 2, it may not be successful and the ARM-NONE-LIN

master the basic commands, and then flexible use, you will find its advantages, and will gradually like to use this method. This article is intended to introduce some of the most common commands and advanced application techniques for VI.I. Introduction of BASIC commands----1. Cursor commandK, J, H, l--up, down, left, right cursor move command. Although you can

I forgot to write today's log at my cubic. So I write it in Dometary.Still not finish the II papers which I want to finish yesterday. I must finish them tomorrow.Change STS to parallel. I finish half of the work today.Tomorrow I need to finish STS parallel version and Modif Ikids UI.Tomorrow'll is a busy day.Today I worked not efficiently. I waked up at 7:15 and felt listles. Probably I am a bit cold.I read arxiv RSS in the morning. Interesting but no

occurs because a file is required for MySQL header at compile time, and it does not find the location of the head file by default search. So to link the MySQL header file in the/usr/local/mysql/include/directory to/usr/local/ Under the include/directory:ln-s/usr/local/mysql/include/*/usr/local/include/then the make and make Install,pdo_mysql modules are added.51. Optimization:1. Hide version number: Server_tokens off;2. Compression:gzip on;gzip_min_l

Linux system information is stored in files, which are similar to common official files. Each file has its own name, content, storage address, and other management information. Linux system information is stored in files, which are similar to common official files. Each file has its own nameStorage address and other management information, such as the file user and file size. A file can be a letter, an address book, or the program's source statement, program data, or even executable programs and

1. Filter out the known current directoryetcall of the first-level catalogs (not includingetcSubdirectories and hidden directories of directories below directory, only one level directory)Ls-l | grep ' ^d 'Ls-p | grep '/$ 'Ls-f | grep '/$ 'Find. -maxdepth 1-type D! -name "."2 , quick return to last working directoryCD-each time the directory is toggled, the system will save the last working directory to the variable oldpwd in which CD- actually called