Important Linux Files

As a multi-user, multitasking operating system, Linux files are difficult to recover once they are deleted. Although the delete command is a deletion mark in the file node and does not really erase the contents of the file, other users and some processes with write-up actions will quickly overwrite the data. 　　However, for home stand-alone Linux, or mistakenly deleted files after timely remediation, or can be restored. 1. A brief introduction to EXT2 file system structure in the Ext2 file system used by Linux, files are stored in block units, by default ...

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Wind Network (ithov.com) original article: In the process of managing Linux systems, for some important key documents, configuration files and important personal data, often do not want users to make arbitrary changes, this time we need to the file to protect the rights to prevent tampering with the file, We can change the properties of the file to 600. For example: [root@localhost/]# chmod 600/usr/local/webserver/nginx/conf/nginx.con ...

As a multi-user, multitasking operating system, Linux files are difficult to recover once they are deleted. Although the delete command is a deletion mark in the file node and does not really erase the contents of the file, other users and some processes with write-up actions will quickly overwrite the data. 　　However, for home stand-alone Linux, or mistakenly deleted files after timely remediation, or can be restored. 1. A brief introduction to EXT2 file system architecture in the Ext2 file system used by Linux, files are stored in block units, by default ...

Linux differs from Windows in file structure, and Linux files and folders are organized into an inverted tree structure. and separated by/(slash). We can use the LL command or the LS command to view the Linux file structure under the root directory, as shown in the following example: [root@localhost/]# ll total dosage 102 dr-xr-xr-x. 2 root root 4096 December 20:51 bin dr-xr-xr-x ....

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In the http://www.unixbar.net/see the use of monitoring Treasure monitor server, feel good, on the installation of a configuration, the following describes the specific installation Method! Monitoring treasure using the standard SNMP protocol to provide users with server monitoring, which means that the monitored server must run the SNMP agent (SNMPD), then we will detail how to install, open the SNMP agent on the Linux server, and make the necessary security configuration, Nginx monitoring and server i/o,cpu load, ...

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You can use the flexibility inherent in the command shell of Linux to create scripting languages that help you simulate DOS commands in a Linux environment. 　　 　　The specific approach is as follows. If you are an IT support expert, you like the command of Windows very much, when you first use the Linux command line, you may soon find yourself confused. The DOS commands you've been familiar with for a long time don't exist in Linux. So you will find yourself facing a terrible task: to learn and be familiar with the whole ...