prtg 17

underlying issues, it's often not answered.I think the first problem is the lack of curiosity, the curiosity to do technology should be the driving force, especially for the Linux kernel and drive, how much curiosity, your level will probably grow to how high.Second, for the driver, for the 2.6 core, the important thing is to understand the device model, many people are putting the cart before the horse, a lot of specialized write-driven books do not pay attention to the understanding of the de

.$table->dropIndex(‘geo_state_index‘);Drop a basic index from the "Geo" table.Foreign Key ConstraintsLaravel also provides support for creating foreign key constraints, which is used to force referential integrity at the D Atabase level. For example, let's define a column on the user_id posts table that references the id column on a users table:Schema::table(‘posts‘, function ($table) { $table->integer(‘user_id‘)->unsigned(); $table->foreign(‘user_id‘)->references(‘id‘)->on(‘users‘);});Als

superuser, such as rebooting, shutting down, etc., and sometimes not using super users, what should we do?The first step: the appropriate configuration, so that the super-user to give ordinary users can also execute the permissions of these commandsStep two: Add sudo to execute these commands.First, the super user gives the ordinary user to execute the command permission, configures the/etc/sudoers fileWe can use the Vim/etc/sudoers command, or the Visudo command　　　　Second, authorized users can

in the document is greater than 1000 and the 7th field is not equal to the/bin/bash row Truncate the first 5 lines of the document in the 1,3,4 field and use # as the delimiter output:Head-n5 Test.txt | Awk-f ': ' {ofs= ' # '}{print $1,$3,$4} ' Truncate the 1,2,3,4 field of the 3rd field in the document that is greater than 1000 and use # as the delimiter output:Awk-f ': ' {ofs= ' # '}{if ($3>1000) {print $1,$2,$3,$4}} ' Test.txt Head-n3 Test.txt | Awk-f ': ' {pirnt NF} '---->

following are the specific examples:V. Using the init command to change the operating level of the systemInit is the ancestor of all processes whose process number is always 1, so sending a term signal to init terminates all user processes, daemons, and so on. This mechanism is used by shutdown.Init defines 7 run levels, each defined as follows:0 停机1 单用户模式2 多用户3 完全多用户模式4 没有用到5 X11（X Window）6 重新启动These levels are specified in/etc/inittab. This file is the main file that the INIT program looks fo

, paste, etc. operations such asX,x x means to delete one character backwards and X to delete one character forwardNX removes n characters backwardsDD Delete/clip cursor on the same lineNDD Delete/clip n rows after the row of the cursorYY Copy the cursor on the same lineP (lowercase) from the line where the cursor is located, paste the contents that have been copied or pasted downP (uppercase) from the line where the cursor is located, paste up has been copied or pastedNyy starts at the line whe

1. Install fedora 17 Under vmware workstation 9. Reference link 1: Install fedora 17 Under vmware workstation 9 Virtual Machine 2. Shared Folders between VMware and fedora17Reference 2: fedora 17 install on VMWare Fusion 4/workstation 8 2.1 updating fedora to allow VMware Tools compilationonce you have fedora installed, login and open a terminal window

development technology for Internet design, and the opportunity to work with Autodesk Product Development Support engineers meet in person for technical exchanges, Autodesk ADN marketing Department and Shanghai University in the year 8 months 17-20 "Autodesk Product Development Technology training Course " was jointly held during the day . Please refer to the information below for information on the specific contents and arrangements of the training

threads with the lowest priority will get all the time they need (worker threads never pause on Message Queuing because they do not process messages at all).Initial priority allocation:When you call AfxBeginThread or cwinthread::setthreadpriority, you specify "relative thread priority." The operating system calculates the "base priority" of the thread, the actual run, combined with the relative priority and the process priority of the owning threadsThe priority of the thread (numbering from 0 t

agree to the above license terms? [Yes or no. 5. Type yes and agree to the authorization protocol. At this point the system starts extracting the jdk-6u17-linux-i586-rpm.bin 6. After decompression, return to the/opt/jdk directory and type dir. We will find an extra unzipped Installation File: jdk-6u17-linux-i586.rpm 7. Execute rpm-ivh jdk-6u17-linux-i586.rpm In this case, the system starts to install JDK. After the installation, you can find a new folder named java in the/usr directory. This fo

Source Address: http://www.oschina.net/news/41773/17-css-tools Abstract:As a front-end web developer, most of your work may be writing CSS code. To improve the efficiency of front-end developers in writing CSS code, the programming Library collects 17 CSS tools from the Internet to improve your CSS code efficiency, they help you quickly generate CSS menus, animated images, buttons, slide, animated text, an

Upgrade Linux Mint 16 petra to Mint 17 Qianna This article describes how to upgrade the existing Linux Mint 16 to Mint 17. Note: if conditions permit, it is best to reinstall Mint. Open the command line and enter the following four commands. $ Sudo sed-I's/saucy/trusty/'/etc/apt/sources. list$ Sudo sed-I's/petra/qiana/'/etc/apt/sources. list$ Sudo sed-I's/saucy/trusty/'/etc/apt/sources. list. d/official

Question: calculate whether a number is a multiple of 17. Description: String, large number. A simple question, which can be determined directly. Set n = 10a + D; (0 ≤ d ≤ 9) then A-5d = 51a-5N. If n is divisible by 17, this number must also be divisible by 17. Note: The question gives a conclusion, which is not required. You can directly %

C ++ 17 latest progress report The C ++ Standards Committee recently held a meeting in kona, Hawaii, where everyone may be concerned about the latest developments. However, according to the past, some documents will take a long time to be made public. During the meeting, everyone was busy revising their documents. After the meeting, the Conference will collect and release the modified documents several weeks later. But this time, the Commission modif

Summary: as a web front-end developer, your work may be a large part of writing CSS code, in order to improve the efficiency of the front-end developers to write CSS code, the program Library from the online collection of 17 can improve your CSS code efficiency CSS tools that can help you quickly generate CSS menus, animated images, buttons, sliders, animated text, CSS shape codes. See the full text: 17 CS

--master-data=2 linzhongniao|gzip >/server/backup/bak_$(date +%F) .sql.gz View backed-up data [root@mysql ~]# ll /server/backup/ Total dosage 684 -rw-r--r--. 1 root root203 February 10 23:26 mysq_backup_2018-02-10.sql.gz -rw-r--r--. 1 root root 529266 February 8 19:11 mysql_backup_2018-02-08.sql -rw-r--r--. 1 root root805 February 10 23:18 mysql_backup_2018-02-10.sql.gz -rw-r--r--. 1 root root306 February 11 00:25 mysql_backup_2018-02-11.log -rw-r--r--. 1 root root915 Februar

Release date:Updated on: Affected Systems:Adobe Flash Player 11.xDescription:--------------------------------------------------------------------------------Bugtraq id: 61038CVE (CAN) ID: CVE-2013-3344, CVE-2013-3345, CVE-2013-3347 Adobe Flash Player is an integrated multimedia Player. Adobe Flash Player has multiple remote code execution vulnerabilities. Attackers can exploit these vulnerabilities to execute arbitrary code, destroy memory, and execute DOS attacks in the context of the affected

Transferred from: http://www.cnblogs.com/csulennon/p/3705177.htmlAfter swapping the system, reinstall the Android SDK and ADT plugin to import the previous workspace. Actually found all the Android projects are error.My previous SDK version was 17, and the upgrade was 19. 1: [2014-05-03 14:56:25-thinkblink] Unable to resolve target ' android-17 ' 2: [2014-05-03 14:56:26-game2048publish] Unable to reso

Reinstall XP in the morning and start Linux from Ubuntu. After GRUB is restored through the following: sudogrubfind/boot/grub/stage1 // What I have reported back here is (hd0, 9) root (hd0, 9) setup (hd0) quit, restart, start from the hard disk, select UBUNTU7.04 after GRUB is started, and then the error message "ERROR17" appears: The selected partition cannot be mounted, press any key to go back to the GRUB main menu, select rec to reinstall XP in the morning, and start from the live cd of Ubun

We recommend a gnome-shell extension with a taskbar for Fedora15, 16, 17, and 18. Official Website: Workshop We recommend a gnome-shell extension with a taskbar for Fedora of 15, 16, 17, and 18. Official Website: Http://intgat.tigress.co.uk/rmy/extensions/index.html The extension has the following functions: Move the clock to Move the time to the right Favourites in panel displays shortcuts for your favorit