linux–3– directory structure from zero single row1, FHS Standards (filesystem hierarchy Standard)Why –> in order to standardize, and for the development of LinuxKey –> specification What data should be placed in each specific directoryWhat? –>
Installing the CentOS 6.4 tutorial (Detailed steps)CentOS is a cloned version of Rhel, functionally identical, and some of the latter bugs have been fixed after recompiling. The main difference is that CentOS is free, but there is no official
The top command is a common performance analysis tool under Linux that shows the resource usage of each process in the system in real time.Top is a dynamic display process where the current state can be refreshed continuously with the user key. If
Linux often needs to process files, and if the file is larger, then it needs to be divided into a number of small files to process.Command: SplitFor example, there is a file:Ll-h 1431531915758-rw-r--r--1 Ticketdev ticketdev 9.1G May 15 12:18 14315319
nginx::http://www.nginx.org/1.GCC compilerInstallation instructions: Yum install-y gccIf you are using Ubuntu, the installation instructions are: Apt-get install-y gcc because Ubuntu does not use Yum, the same as Oh ...If you are involved in C + +
tools used:vconfig New file: /etc/sysconfig/modules/8021q.modulesprocess: (In VLAN11,VLAN22 Bridge and eth0 as an illustration )1. Modify the eth0 configuration file as follows: Device=eth1Onboot=yes2. Create a new virtual network card
TouchFunction: Change the access time and modification time of each file to the current time, the nonexistent file will be created as an empty fileNOTES: Touch [options] FileOptions:-A Change access time only-M only changes the modification time-C
NL"function description": the NL command Linux the line number in the system used to calculate the file . NL can automatically add a line number to the output file content! The default result is a bit different from Cat-n, NL can make the line
Because the other responsible for coding colleagues with UTF-8, I use the default encoding format GBK, in the submission of code, in order to accommodate him, I intend to convert the Format tool into Utf-8.Conversion results, and then make a bit,
Linux disk and file system missing and missingLinux disks and file systems
Format
Because the file attributes/permissions set by each file system are not the same, to store the data, you need to format the separation slot. For example, inode exists
Df for Linux commands
The df command is very similar to the du command, except that the former is used to display the disk usage of the entire system, while the latter focuses more on a specific file or directory. Their options are similar, such
Install and configure Mantis in CentOS
Mantis is a lightweight open source defect tracking system based on PHP technology. It provides project management and defect tracking services in the form of Web operations. It is functional and Practical
Configure the PHP accelerator ZendGuardLoader in CentOS1. Install Zend Guard Loader1. log on to the zend official website and download the corresponding file at http://www.zend.com/products/guard/downloads. Note the PHP version and system version,
Open the specified CentOS Port
After tomcat is installed in CentOS, the input address http: // ip address on the client cannot be accessed, and port 80 cannot be accessed.
The Linux Firewall disables port 80 by default. Therefore, to access port
Install and configure JDK in CentOS7
1. Set up an ftp server
We have installed the vsftpd server on CentOS. For details about how to install and configure the vsftpd server, refer to enable FTP and configure users in CentOS, install the LeapFTP
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