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A. Linux directory structure Typically, the root file system takes up less space because most of the files do not need to be changed frequently, and a strict file and a small infrequently changing file system are not susceptible to damage. In addition to a possible system boot image called/Vmlinuz standard, the root directory generally does not contain any files. All other files are in subdirectories of the root file system. In the root directory of Linux, there are the following directories:

. /glibc-2.15/configure --prefix=/usr--disable-profile--enable-add-ons--with-headers=/usr/include-- With-binutils=/usr/bin Makemake InstallIf prompted to install successfully, go to the shared library where glibc is located:You can see that 2.12 of the old library files are also in the 2.15 version of the library file, and the soft link files all point to the 2.15 version.[Plain]View Plaincopy print? -rwxr-xr-x 1 root root 1921096 02:16/lib64

.x86_64.rpm:header V3 DSA Signature:nokey, key ID 37017186Preparing ... ########################################### [100%]Package perl-5.8.8-27.el5.x86_64 is already installed[Email protected] rpm]#Mysql5.5 after the cmake to compile, cmake-2.8.12.2.tar.gz so need to download the installation: http://www.cmake.org/cmake/resources/software.htmlTar zxvf cmake-2.8.7.tar.gzCD cmake-2.8.12.2./configure--prefix=/usr/local/cmakeMake make install[Email protected] rpm]# ll/usr/local/cmake/Total 16Drwxr-

Ao you's internal network is not completely roaming (a large number of internal and external network source code can be leaked) I was wondering if I could prove that I had access to the data of the proud game users. The Administrator found that I only had access to the bbs users. Rsync unauthorized accessWritable Rsync 60.28.210.24: I. mx/drwxrwxr-x 8192 19:10:44. -rw-r -- 6036 13:30:47 build.txt-rw-r -- 31 19:10:23 conf. php-rw-r -- 1406 2013/10/21 13:30:49 favicon. ico-rw-r -- 7166 2014/01/13

-3.7.0-1.noarch.rpm-rw-r--r-- 1 root root 332005 Jan 8 07:35 setuptools-0.6c11-py2.7.egg-rw-r--r-- 1 root root 4563244 Jan 8 15:25 Twisted-15.2.1.tar.bz2drwxr-xr-x 8 root root 4096 Mar 1 15:18 twisted-15.2.1drwxrwxrwx 4 1000 Users 4096 Mar 1 17:49 sqlite-3.6.20drwxr-x--- 1002 4096 Mar 1 18:51 python-2.7.2-rw-r--r-- 1 root root 370026 Apr 18:25 master.zipdrwxr-xr-x 9 root roo

be written (write)x indicates that the file can be executed (if it is a program)Where: Rwx can also be replaced by numbersR------------4W-----------2X------------1-------------0Let's go:Represents the Add permission-Indicates delete permission= indicates a permission to make it uniqueWhen we all understand the above, then we often have some of the following permissions are easy to understand:-RW-------(600) Only the owner has read and write permissions-rw-r--r--(644) Only the owner has read and

Welcome to: Ruchunli's work notes, learning is a faith that allows time to test the strength of persistence. Kafka The main shell scripts are[[Emailprotected]kafka0.8.2.1]$ll Total 80-rwxr-xr-x1hadoophadoop 9432015-02-27kafka-console-consumer.sh-rwxr-xr-x1hadoophadoop 9422015-02-27kafka-console-producer.sh-rwxr-xr-x1hadoophadoop870 2015-02-27kafka-consumer-

. Execute Configure [Vagrant@rs-1 mysqli]$./configure--with-php-config=/usr/local/bin/php-config--with-mysqli=/usr/bin/mysql_config Compiling the installation [Vagrant@rs-1 mysqli]$ sudo make sudo make install This time you will find that the/usr/local/include/php/ext directory has more than MYSQLI modules [Root@rs-1 ext]# LL Total 152 Drwxr-xr-x 3 root root 4096 May 9 05:09 date Drwxr-xr-x 2 root

Due to work needs, it took some time to study the two built-in special commands of eval and exec. Because not many are used, it is a bit obscure .. 1. Eval This command is a built-in command in bashshell, which is a little more difficult than other commands. The content following the command is considered as a parameter, but the parameters are scanned twice. The first scan replaces the variables in the parameters, and the second scanThe second scan combines the following parameters as a shell c

in the test1 subdirectory and subdirectory command: rm-r test1 output: [root @ localhost test] # ll total 24drwxr-xr-x 7 root 4096 10-25 scfdrwxr-xr-x 2 root 4096 10-26 test1drwxr-xr-x 3 root 4096 10-25 test2drwxrwxrwx 2 root 4096 10-25 test3drwxr-xr-x 2 root 4096 10-25 test4drwxr-

Owner ID field of the process accessing the file, the process does not have permission to change the context descriptor of a file, either before or after the change.For example, a process that has a rjc:user_r:user_t descriptor can change the descriptor of a file that has a rjc:object_r:user_games_rw_t descriptor to rjc:object_r:user_games_ro_t, However, it does not have permission to change any of the properties of a file that has a john:object_r:user_games_rw_t descriptor.To view the context

deletingCommand:Rm-i *.logOutput:[email protected] test1]# LLTotal 8-rw-r--r--1 root root one 10-26 14:45 log1.log-rw-r--r--1 root root 10-26 14:45 Log2.log[Email protected] test1]# rm-i *.logRM: Do you want to delete the generic file "Log1.log"? YRM: Do you want to delete the generic file "Log2.log"? Y[email protected] test1]# LLTotal 0[[email protected] test1]#Example four: Delete all the files in the Test1 subdirectory and subdirectoriesCommand:Rm-r test1Output:[email protected] test]# LLTot

deletingCommand:Rm-i *.logOutput:[email protected] test1]# LLTotal 8-rw-r--r--1 root root one 10-26 14:45 log1.log-rw-r--r--1 root root 10-26 14:45 Log2.log[Email protected] test1]# rm-i *.logRM: Do you want to delete the generic file "Log1.log"? YRM: Do you want to delete the generic file "Log2.log"? Y[email protected] test1]# LLTotal 0[[email protected] test1]#Example four: Delete all the files in the Test1 subdirectory and subdirectoriesCommand:Rm-r test1Output:[email protected] test]# LLTot

deletingCommand:Rm-i *.logOutput:[email protected] test1]# LLTotal 8-rw-r--r--1 root root one 10-26 14:45 log1.log-rw-r--r--1 root root 10-26 14:45 Log2.log[Email protected] test1]# rm-i *.logRM: Do you want to delete the generic file "Log1.log"? YRM: Do you want to delete the generic file "Log2.log"? Y[email protected] test1]# LLTotal 0[[email protected] test1]#Example four: Delete all the files in the Test1 subdirectory and subdirectoriesCommand:Rm-r test1Output:[email protected] test]# LLTot

/.oracle/var/tmp/.oracle11gMv/var/tmp/.oracle10g/var/tmp/.oracle+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++are backed up in advance-r-xr-xr-x 1 root root 2436 Oct 6 09:47/etc/init.d/init.crs-r-xr-xr-x 1 root root 5538 Oct 6 09:47/ETC/INIT.D/INIT.CRSD-r-x