Basic centos commands

Linux commands are used to manage Linux systems. For a Linux system, whether it is a central processor, memory, disk drive, keyboard, mouse, or user, it is a file. the Linux system Management Command is the core of its normal operation, similar to

Get super user permissions on CentOS

For the sake of security, linux imposes a lot of restrictions on common user permissions, but we still need super user permissions, which is similar to administrator permissions in windows. This article briefly introduces how to obtain super user

What should I do if "fcntl: F_SETLKW: Norecordlocksavailable" is displayed in the apache error log?

Article title: fcntl: F_SETLKW: Norecordlocksavailable in the apache error log. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems,

Install socks5 in CentOS

What is SOCKS: Socks: protocolforsessionstraversalw.ssfirewallsecurely What is SOCKS: Socks: Protocol for sessions traversal firewall SS firewall securely SOCKS provides a framework, it makes it easier and safer for client/server applications in TCP

RedHat and Fujitsu work together to build enterprise-level Linux

Article title: RedHat and Fujitsu work together to build enterprise-level Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems,

A new chapter in system technology development: compiling Linux kernel

Article title: a new chapter in system technology development: compiling the Linux kernel. Linux is a technology channel of the IT lab in China. It includes some basic categories such as desktop applications, Linux system management, kernel research,

PHP for configuring the AMP environment in CentOS7

Install PHP because the PHP version in YUM of centOS7 is old by default, so I try to upgrade to the new version, in this way, the new Yum source configuration yum source is used to append the epel and remi source of CentOS7.0. # Rpm-Uvhhttp: //

Samba analysis and customization skills

Article title: Samba analysis and customization skills. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

Linux tutorial-Vi entry and exit

Article title: Linux tutorial-Vi entry and exit. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Vi

Linux module verification (3)

Article title: Linux module verification (3 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Next, we need

Gcc best compilation parameters

Article title: gcc best compilation parameters. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. I. Version 1.2

Install Webmin on the CentOS server

1. log on to the server. 2. create a folder to save webmin. we recommend that you create a folder under your account ., 3. Download The Webmin installation file. Command: wgethttp: // Configure. 4. decompress the file 1. log on to the server 2.

Introduction to common Linux abbreviations

Article title: Brief introduction to common abbreviations in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

SCO is fined 10000 euro for LINUX

Article title: SCO is fined 10000 euro for LINUX. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. On April 9,

FAQs about Nic settings in Linux (2)

Article title: FAQ about Nic settings in Linux (2 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 4

Use a third-party rpmfusion source repository in CentOS5.X

In the process of using CentOS5.X, although the software packages in the source warehouse are much more comprehensive than the Redhat, there are still many commonly used packages. at this time, we need to use the third-party source warehouse, I am

How to modify the PATH of the environment variable in Centos

The computer brain is essential to the operating system. However, Linux is developing very rapidly and is catching up with Microsoft. Here we will introduce the knowledge of Linux, so that you can learn how to use Linux. For example, to add

Create an ssh equivalent user on two Centos servers

Create an equivalent user on two linux servers 2) create an equivalent user on node1: [root @ node1 ~] $ Mkdir ~ /. Ssh [root @ node1 ~] $ Chmod700 ~ /. Ssh [root @ node1 ~] $ Ssh-keygen-trsa [root @ node1 ~] $ Ssh-keygen create equivalent users on

Centos CPU optimization

1 View L1, L2. .. dmesgx86info-c (yuminstallx86info-y) 2 hit rate, loss rate view: valgrind -- tool = caohegrind Command 3 View process priority (usually 0 by default) chrt 1. check L1, L2...Dmesg x86info-c (yum install x86info-y) 2 hit rate, loss

How to obtain the time of yesterday or tomorrow in Centos

The date command can get the current time. man shows that many parameters of date can be used, which is easy to format. for example: date + "% F" output format: 2011-12-31date + "% F % H: % M: % S" output format: 2011-12-3116: 29: 50. the current

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