Basic CentOS help documentation-common commands

For more information about linux basic help documentation, see-2014.2.11 --- the first man in common commands: whatis1, man manual search format-input? Key, forward search, such? -H: Searches for rows containing "-h", such as/-k, the "-k" rows will

Disable ssh and sftp login in CentOS

In linux, for security purposes, we disable some users from logging on to the system through SSH. Here I will take the centos Operating system as an example to record how to handle it. 1. open the sshd configuration file vi/etc/ssh/sshd_config2,

10 Linux distributions with special purposes

There are many Linux releases. in addition to the popularity of the releases, you can also pay attention to the specific usage of the releases, maybe the release is exactly what you need on another occasion. Today, we will share with you 10 Linux

Introduction to using linux system performance monitoring tool KSysguard to monitor remote hosts

KDESystemGuard (KSysguard) is a KDE tool for task management and performance monitoring. It adopts the client/server architecture and can monitor the local host or remote host. The following is the usage method: Default KDE System Guard window The

Elements that are easy to ignore during Website construction

From website construction to real operation, many elements are ignored. In fact, whether a website can achieve the expected results, while website construction and website optimization are well done, it is critical that the customer's own problems.

Quick start: four methods to learn Linux Commands

If you want to become a Linux expert, it is essential to master some Linux commands. The following are four methods to learn Linux commands. A progressive method to learn Linux commands is to display daily prompts every time you open the terminal.

Detailed steps for configuring nfs service in centos (enable nfs service in centos)

This article describes how to configure the nfs service in centos (enable the nfs service in centos). For more information, see CentOS. Server Configuration 1. install nfs-utils and rpcbindCopy codeThe code is as follows:Yum install nfs-utils

In Linux, how does one find IP address conflicts?

You all know what an IP address is, right? They are assigned to devices on the network to represent them. They are allocated through the DHCP server and change frequently. There are two types of IP addresses. The dynamic one will change frequently

Use Samba to share Windows and Linux files

Source: With the popularization of Linux, sharing files in Linux has become a concern for users. In fact, almost all Linux distributions provide a good tool named Samba, which allows you to easily share files. Samba is an application based on the

How to view and modify file read/write permissions in Linux

Statement for viewing file permissions: Enter: ls-lxxx.xxx (xxx. xxx is the file name), so similar information will appear, mainly these:-rw-r -- a total of 10 digits among them: the first-represents the three rw-in the middle of the type. Statement

Use the Recent module to reinforce Linux Security

In Linux, you can write iptables rules to filter data packets in and out of the Linux host to improve the security of the Linux host to a certain extent. in the new kernel version, the recent module is added. This module can collect statistics about

Fedora and openSUSE have successively released new Linux beta versions.

The final official version of Fedora9Preview is also approaching, but the official version originally planned to be released on January 1, April 29 will be postponed until next month. In addition, Fedora9 will be the first Linux release that

Understanding three convenient open source firewalls in Linux

& Nbsp; a basic skill for all Linux systems and network administrators is to know how to write a strong iptables firewall from the beginning and how to modify it, adapt to different situations. However, in the real world, this seems to be rare.

Delete the stubborn USB flash drive and a quiet Linux space

& Nbsp; USB flash drive virus. every time you see this auto file under linux. Ls-l found that all attributes are not? The result cannot be deleted. The reason for the query is that linux cannot process files ending. Therefore, you cannot delete it

Dual-host/multi-host automatic mutual backup solution in Linux

& Nbsp; problem: two LINUX servers, each with only one hard disk. Therefore, the backup issue is particularly important. We have a mysql database installed. Of course, we also need to solve the problem of mysql backup. Objective: host machine

GNU compiler set GCC4.4.4 released

News source: http://gcc.gnu.org/gcc-4.4/GCC (GNUCompilerCollection, GNU compiler set) is a set of programming language compilers developed by GNU. It is a set of free software issued with GPL and LGPL licenses. it is also a key part of the GNU

Who should I use in Windows or Linux?

Which server OS do you think is better? is it Microsoft Windows or open-source Linux? There have been countless debates on this issue, but an IT consultant who has been using Windows and Linux for a long time said IT is difficult to answer the

Use Shell scripts to automatically back up source files before vi, cp, and mv.

The following script backs up all source files to be edited to the bak directory, and keeps all paths unchanged. for example, vietchosts copies etchosts to baketchosts. Ca The following script backs up all source files to be edited to the/bak

Detailed parsing of executable file formats in Linux

An executable file can be a binary file of different formats or a text script. The executable file image contains the code and data for process execution, and the operating system. An executable file can be a binary file of different formats or a

Use Samba to configure the file sharing server in RHEL5.4

To use the Samba configuration file sharing server in RHEL5.4, perform the following steps: 1. install the samba server software to view the Samba component currently installed in the system: rpm-qa | grepsamba insert RHEL5 into the system disk,

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