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Courier is one of the most well-known mail-sending agents. It only supports mailboxes in Maildir format and can be integrated with external databases (LDAP, MySQL, etc.). You can find a complete description of how to install a virtual Postfix+courier messaging system in POSTFIXCOMPLETEVIRTUALMAILSYSTEMHOWTO. This article describes the basic installation of courier, the implementation of forwarding mail to the local presence of users, mailbox settings in the home folder. It is noteworthy that cou ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; An easy way is to install a virtual operating system in Windows VMware, copy vmx files into Ubuntu, install Vmware-player in Ubuntu, and start a previously virtual operating system. can be any operating system. can also Ubu ...

In view of the constant Netizen gc++ the compiler into the IDE (integrated development environment) 1, expect to detach from command line 2, expect to find its figure in the menu 3, expect it to have a set edit compile link debugging run in one interface &http://www.aliyun.com/zixun /aggregation/37954.html ">nbsp; so this article to give you a simple list of some C + + programming available IDE, perhaps you can find a you like ...

The GNU TeXmacs is a free science http://www.aliyun.com/zixun/aggregation/18444.html "> text editor; it is inspired by Tex and Emacs. The GNU TeXmacs is a free-scientific word processing software component of the GNU-projected, "inspired by two" TeX and GNU Emacs, but with two programs that do not share it after the named code. It by Joris ...

In Alsamixer, check to see if the system is set to mute mode and check that the volume is resized to fit. If you find that there is no volume control button in the Panel, use the following methods to add the Volume Control button to the panel: click on the Panel-〉 Select Add to Panel-〉 Select volume Control, the Volume Control button will appear in the panel; Left click on the Volume Control button and slide up and down to adjust the volume size. Do not ' mute ' any option, although I only have two speakers, but I can not mute the main surround, for example, most ...

Define function note the symbol used by the function is: = Unary function f (x): =expr Example: (%I1) F (x): = 1+x; (%o1) F (x): = 1 + x (%I2) F (2);(%o2) 3 multi-function f (x,y): =expr; Example: (%i3) f (x, Y): =y^2+x^2;&http://www.aliyun.com/zixun/aggregation/37954.ht ...

If your system crashes every random time, do a memory test before filling out a bug report or support request. If your system crashes when a particular action occurs, and every time it is similar (reproducible), try the following steps: &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp If possible, try to reproduce the system crash in the text console (CONTROL+ALT+F1) ...

Maxima is a computer algebra system written in Lisp (Computer algebra system) for formula derivation, symbolic calculation, numerical calculation, etc., it is a set of http://www.aliyun.com/zixun/aggregation/ 29607.html "> Free software, issued under the GNU General Public License. The predecessor of Maxima was Doe-macsyma. Doe-macsyma was learned by mit ...

Cron is a task that a daemon uses to perform a trip class for a specified period of time. Each user has a crontab file that allows them to specify what needs to be done and when, in addition, the system has a crontab that allows for regular tasks like alternating logs and updating local data. Using Cron, as long as you add some items to the crontab file, a crontab project details the process and time of execution, such as: 5 3 * * * */U ...

Two-dimensional drawing Maxima the instruction of two-dimensional drawing is plot2d. Let's say we're going to draw 4x3−2x−2 this function, set the x-axis range from 5 to 5, on this command: (%I1) PLOT2D ([4 * x^3-2 * x-2],[x,-5,5]); Three-dimensional drawing is also as easy as the three-dimensional drawing, as long as the Plot3d instructions can be replaced: (%I2) plot3d (cos (-X^2+Y^3/4), [x,-4,4], [y,-...

When http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu or Kubuntu has just been installed, a separate user is created. It is also possible to create additional accounts to log on to your system. option to add a user there are several ways, however, Wiki simply discusses the simplest and most common method. Here are two ways: the graphical interface command line-the AddUser graphical interface is the simplest, and the command line ...

The difference between KVM and VBox VBox is rewritten by QEMU and contains a large amount of QEMU code. Can be used for CPUs that do not support http://www.aliyun.com/zixun/aggregation/13883.html > Virtualization technology. It is worth saying that the vbox is better in graphics, can be 2D 3D acceleration. But CPU control is not ideal (presumably because of graphics support). ...

System backups are important because you never know when a hard drive is going to strike or a disaster will come quietly. Here are some ways to back up. To backup from the command line use the TAR command This method applies to the home folder of the backup user. Open the terminal and enter: Tar CVFZ output input using the split command allows a compressed mirror to be partitioned into small chunks to be stored in a removable device. For more information, see: Backupyoursystem/tar using the DD command to create a disk image ...

Let your kubuntu/kde system take up less memory and run faster. 2g+ memory can ignore ... Usually after this, the extreme point of about 170MB of memory, is usually about 300MB memory. One of the many development goals of the KDE 4 series is the ability to run smoothly on computers with 256MB of memory. (KDE moment-in work on Consolidator whit 256 MB ram+) The latest version of KDE4 is better, including the Kubuntu version. Leave A.

Some people report problems connecting a Bluetooth mouse and maintaining a Bluetooth connection. It is very easy to solve the problem. You only need to do the work described below. The mouse can automatically connect when you open it and return from power saving mode. Install Required Software (package required for installation) sudo apt Install bluez-utils ...

Kpackagekit is the graphical package management software in Kubuntu, including installation/removal software, System update, followed by terminal operation and graphics operation effect is the same.      Start Kpackagekit in the lower left corner of the K menu &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; &...

On your laptop, use the touch version as the built-in mouse. Note that the "Synaptics Touchpad" should be associated with the "Synaptic" (http://www.aliyun.com/zixun/aggregation/13835.html) >ubuntu Package Manager, The graphical user interface form of apt. In Breezy (5.10), the touchpad of the notebook computer should be available immediately. Open a terminal with grep to view your etc ...

New is http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu's package management tool APT, the graphical front-end." It combines the simple operation of the graphical interface with the powerful capabilities of the apt command-line tool. You can use the new installation, deletion, configuration, and upgrade packages to browse, sort, search, and manage the software warehouse or upgrade the entire system. You can do some series of operations to form the operation queue ...

Do you have a Microsoft IntelliMouse or Logitech MouseMan Mouse? The following will guide you through the use of side buttons. If you use dapper Drake or later, skip these steps to read directly to the bottom section. Step 1: Edit the configuration file: &http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; Edit your/etc/x11/xf86config-4 ...

This includes two updates to previous deployments of Ibm®rational®application Developer and Rational®software Architect for Websphere®software, and two applications dedicated to enterprise software development, the Rational®developer for power Bae Software™ ...