centurylink home security system

hierarchical role.the default implementation of the hierarchical role Role_super has both Role_admin and role_user two roles, that is, having all of their permissions. - Beans:beanID= "Rolehierarchy"class= "Org.springframework.security.access.hierarchicalroles.RoleHierarchyImpl"> Beans:propertyname= "Hierarchy"> Beans:value>role_super > Role_admin role_super > Role_userBeans:value> Beans:property> Beans:bean>after the above configuration, use theSuperafter the user logs in, you can access /

A growing number of netizens believe that viruses are an important factor in endangering Internet security. Sometimes when anti-virus software processing virus program, will result in double click Hard disk Letter open, right click to appear, such as auto words, such as the occurrence of such a situation with the system master record of the configuration file Autorun.inf. Interpreting Autorun.inf Because

Environment variablesUse VI in the virtual machine to modify the PATH variable in the/root/.bash_profile file toPath= $PATH: $HOME/bin:/opt/host/armv4l/bin/After disk execution: Source/root/.bash_profile, theAfter the armv4l-unknown-linux-gcc will be automatically searched, can be entered on the terminal.After you save the exit, restart the virtual machine or enter the following command in the virtual machine shell.7. Build hello.c file and compileEn

1. The Boot program security Linux system root password is very easy to crack, of course, if you do not set the boot program password, such as Grub or LILO, in order to prevent through the boot program to decipher root password, it is strongly recommended to set GRUB or Lilo boot password, you can edit its configuration file/ Etc/grub.conf or/etc/lilo.conf, set the password parameter. 2. Unsafe1. Boot progr

scoped than the custom variable, such as the shell environment variables acting on itself and its child process. In all Unix and Unix-like systems, each process has its own set of environment variables, and by default, when a process is created, it is explicitly specified in the process creation, and it inherits most of the environment settings of its parent process. The shell program also runs on the operating system as a process, and most of the co

ways to use network functions.2. Read and understand HTTPD. C source code. Add some additional features on this basis. Test the functionality of an embedded WEB server using a browser on a PC computer.Second, the experimental steps:1. Read and understand the source codeEnter the/HOME/BC/07_HTTPD directory,Read and understand source code using VI Editor or other editor 2. Compiling the applicationThe makefile is modified first:Then run make to generat

constructed is also used to confuse the open, after all, few people will turn. Files folder. Now we can write a new email, compress the folder "nice animation" into a file, put it in the email attachment, and write a tempting theme. As long as the other side is convinced to run it and reboot the system, the server is planted successfully. Third, the prevention Prevention is more important than treatment, before our computer is still in the Trojan,

parameter is used in Linux and the general purpose of using the-L is to list the size of each file in blocks.The difference between the LS command and the Find command in 2.linuxThe Find command is to find the meaning of the lookup; When you know which file it is, you can find the sub-file with LS, but you can use the Find command to find the folder when you don't know what the drive letter is.Resources1. In-depth understanding of computer systems2.http://zhidao.baidu.com/question/588990569.htm

correct modification5, install the arm compiler. In the PC "Start", "Run", enter the virtual machine's IP, enter the user name BC, password 123456 and then make sure you can access the virtual machine files. Then extract the required files to the shared folder BC.Enter the virtual machine, enter the./install.sh on the command line, and the setup script will automatically establish the directory and configure the compilation environment.6, configure the environment variables in the virtual machi