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GRUB: on the boot loader menu, type [e] to enter the editing mode. You will face a list of pilot projects. Find the following output sentence lines: & nbsp; kernel/vmlinuz-2.4.18-0.4roroot/dev/hda2 & nbsp; press the arrow key until this line is

As a free email server software, Sendmail has been widely used on servers of various Internet operating systems. Such as Solaris, HPUX, AIX, IRIX, and Linux. With the popularization of Internet connections, the chances of email servers being

1. InstallQt42.Buildandinstallsip3. BuildandinstallQScintilla24.BuildandinstallPyQt45. BuildandinstallQScintilla2Pythonbindings6. Installeric4 this... 1. Install Qt42. Build and install sip3. Build and install QScintilla24. Build and install PyQt45.

1: ls related options:-a can be displayed. hidden File-I at the beginning shows the inode number of each file, and-R lists all sub-directory layers at the same time-l display in long format-F Display suffix # for example: the directory

Official Address: gossip MS/MSERGEANT/xml-parser-2.34.tar.gz?tarzxvfxml-parser-2.34.tar. g Official Address: http://projects.gnome.org/dia/InstallFirst install XML-Parser:Http://search.cpan.org/CPAN/authors/id/M/ MS/MSERGEANT/XML-Parser-2.34.tar.gz

When developing a call center, you need to play the voice. you need to convert the wav format of your recorded voice to the gsm format. asterisk also supports the wav format, however, it is unclear why the wav file cannot be played if it is larger,

1. Process Group, session, and terminal (1). each process belongs to a process Group. A process Group is a collection of one or more processes. generally, it is associated with a group of jobs and can receive various signals from the same terminal.

In Linux, the most popular audio and video playback software is Mplayer, which can be played in text mode and in x-window mode. In earlier versions of Fedora, Fedora9 and earlier versions install Mplayer easily. you can simply type yuminstallmplayer,

Xuser installed vsftp on the server today so as to open a private ftp resource to the comrades. There have been many problems. Here are some simple records. First set the chroot limit to allow users to span directories and other settings, and then

Go to the Ubuntu official website to see several versions that can be downloaded: alternate (text installation), desktop9 (desktop), netbook (netbook), and server (server ). A reason for using server: 32-bit systems can use 4 GB or more memory, up

Vim: The text editing tool vi is currently used, the powerful vim has three modes, which have different effects in different modes. command mode: input mode, and input mode: move the cursor to the last line using the h, j, k, l delete operation in

This system audit records users, times, and operations. Then, record the information to a file. 1. configure 1. add the following two lines of code at the end of the/etc/profile File: exportHISTORY_FILE/var/log/'date & amp; lsquo; + % Y %... This

The source code is a text file that needs to be compiled by the compiler and converted into an executable file. during the compilation process, the source code is large and sometimes needs to be divided into several parts for compilation into the

0. preparation and data files. for example, there is a data file with only one column (you can filter the column with only numbers by various means before ), for example, the operation response time Txt code 490898118923520212149427014651529369235635

This article only analyzes the changes in the user stack and kernel stack after the signal is sent to the user program. Without analyzing real-time signals, the entire process is basically the same. Many references , so some code may be different

1. elinks-dump displays eg: elinks-dumphttp: // www.google.cn-source in text mode. for example: elinks-sourcehttp: // www. google. cn2, wget download -- tries10 try to download several times-o save the connection...   1. elinks-Dump is displayed as

I. First, we should clarify the hierarchical structure of tty drivers in linux: top-down is divided into TTY core layer, TTY line rules, and TTY drivers. 2. the TTY core layer and the line procedure layer analyze user space programs to perform read

This is a basic article on shell. The main content is the role of bash, the role of history, the pipeline operator, how to customize variables, and how to execute scripts. The next article will introduce some content such as if,, while, case and

Vsftp cannot be connected, and Noroutetohost is displayed. Cause: iptables port 21 [root @ localhostsysconfig] # iptables -- listChainINPUT (policyACCEPT) targetprotoptsourcedestinationRH-Fir is not open...   Vsftp cannot be connected. the system

Event start: a small problem occurred earlier when Tomcat and java environment variables were configured. Later, due to several misoperations, the machine was stuck there after a logout. Then, press the power key to force the shutdown. However,