Users who use a Linux system router need to be careful now, because a new Trojan virus exists for a Linux system router, which can gain control over the router.According to reports on the website vnunet.com, the trojan virus named "psyb0t" was first
1. view the names and values of all environment variables:
In Linux: Export
Windows: Set
2. Check the environment variable value by name:
Linux: Echo $ environment variable name
Example: Echo $ ORACLE_HOME
Windows: Set environment variable
Without looking at the results carefully. Learn lessons and record them ~~
Http://rtl8180-sa2400.sourceforge.net/download tar packageFollow the install instructions to install the SDK.--------------------------------------------------------------
From: http://hi.baidu.com/youdianweidao/blog/item/b3ef79ecb197e42e62d09fdb.html$ CD/etc & sudo find-name "RC. Local" found that my RC. Local is different from the text. It is too normal.
To tell the truth, I have always looked down on boot.
In ANSI compatible terminals (such as xterm, rxvt, and konsole), texts can be displayed in color, not just in black and white. HoweverProgramCan I output color characters? Of course, the answer is yes. The following statement outputs the highlighted
I want to make my serviceProgramIt is automatically started after the system is restarted. A script is used to start my service.There are two methods:
Method 1:
Sudo VI/etc/init. d/rc. LocalAdd the script command to start the service.
The
Enter the directory where the current script is located (other methods are cloudification !)Sh_dir =X = 'echo $0 | grep "^ /"'If test "$ {x}"; thenSh_dir = $ (dirname $0)ElseSh_dir = $ (dirname 'pwd'/$0)FiCD $ sh_dir
Script pauseBash-C 'read-
1. Support for multiple hardware platformsDue to the diversity of hardware platforms of embedded devices and the fast update of CPU chips, embedded operating systems must support commonly used embedded CPUs, such as x86, arm, MIPS, and PowerPC, and
AWStats is a very concise and powerful statistical tool. It can collect the following information about your site:I. Traffic, visits, page views, clicks, data traffic, and other data precise to monthly, daily, and hourly data2. Visitor country,
1. grep IntroductionGrep (Global Search Regular Expression (re) and print out the line, full search for regular expressions and print out rows) is a powerful text search tool, it can use regular expressions to search for text and print matching rows.
Reference: http://www.cnblogs.com/xuechao/archive/2011/12/05/2277180.html
Table 1. inter-process communication in UNIX
name
description
range
purpose
file
read and write data in a typical UNIX
I. Partitioning and formatting principlesIi. Use fdisk partitions in Linux3. Use mkfs to create a file system4. Hard Disk Partition mounting;
I. partition principle1. Primary Partition Table (64 bytes): records the number of start and end columns
Generally, you need to specify the path of the compilation tool when configuring the cross-compilation tool chain. In this case, you need to set the environment variable. For example, my MIPS-Linux-GCC compiler
In the/opt/au1200_rm/build_tools/bin
TheCodeThe name is add_node.c.
# Include # Include # Include # Include # Include # Include "null. H"Void parsestory (xmldocptr doc, xmlnodeptr cur, char * keyword){Xmlnewtextchild (cur, null, "keyword", keyword );
Cur = cur->
From: http://www.cnblogs.com/avril/archive/2010/03/23/1692809.htmlIn Linux, each file and directory has access permission to determine who can access and operate files and directories.
File or directory access permissions are divided into
ArticleDirectory
Use "ip"
Use "ifconfig"
Use "ifconfig"
Use "ip"
Use "ifconfig"
In this document, the IPv6 address of Fedora 6 suddenly disappeared, and how to configure ifconfig is not enough.
# Ifconfig eth0 inet6 add
Here I write some
Code It is a summary in recent work. It is not a part and cannot be compiled separately, but it may be used in future programming, so it is recorded here.
1. Use the boost library to create a thread.
The following two threads are
Linux Startup Process (/etc/inittab)
1. From BIOS to Kernel
BiOS self-check-> MBR (grub)-> kernel self-decompression-> kernel initialization-> kernel startup
BiOS self-check
When the computer is turned on, the computer enters the BIOS. BIOS
If you are a beginner in Linux, you may attempt to obtain commands from various channels with curiosity. The following are seven fatal Linux commands that cause loss of your data and paralysis of your system. Therefore, you should try your best to
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