Linux

1. Time Synchronization (manual):date-s "2015-07-15 22:13:30" Hwclock--SYSTOHC (indicates system time synchronized to hardware clock)Hwclock--hctosys (indicates hardware clock synchronization to system time)2, according to the Internet time

Recently add autoscaling to pass platform, according to the load situation of the server autoscaling, in order to test this function with stress this pressure test tool, this tool is quite useful. The specific installation method will not say.

Many times we look at the data in the database, or the data in other people's systems need to be time-stamped to query, or the result of the query is a timestamp. There are times when you need to enter a timestamp for the query condition. My

LINUX Pause, resume processKill-stop 1234 pauses the process.If you want to get it back into the background, use Kill-cont 1234 (many programs running in the foreground are not possible)If you want to restore to the foreground, use the same terminal

The routine Linux soft interrupt distribution mechanism and problem Linux interrupts are divided into the upper and lower halves, generally (it is true also), the interrupted CPU executes the interrupt handler function, and triggers a soft interrupt

I. Introduction of CrondCrond is a daemon that is used to periodically perform certain tasks or wait for certain events under Linux, similar to Scheduled tasks under Windows, when the operating system is installed, the Service tool is installed by

Article transferred from http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2858385.htmlSortThe sort command sorts the rows in the files specified by the file parameter and writes the results to standard output. If the file parameter specifies

This article turns from the 5 pitfalls of Linux socket programming in IBM Blog."Developing reliable Web applications in a heterogeneous environment."The Socket API is a standard API for practical application development in Web applications. Although

7.2 File Lock This is a file lock for Linux and the code is downloaded in the file lock code. File locking is a very important part of a multi-user, multitasking operating system.programs often need to share data, which is usually done through a

Fio is a great tool for testing IOPS, for stress testing and validation of hardware, supporting 13 different I/O engines,includes: Sync,mmap, Libaio, Posixaio, SG v3, splice, NULL, network, Syslet, Guasi, Solarisaio, etc. FIO website address: http://

Open Source Resources:Open source http://oss.org.cn/?action-newshttp://www.lupaworld.com/proj.phphttp://www.10pig.cn/linux/opensource/Open source China:http://www.oschina.net/newsOpen Source

network Interface (interface) is the network hardware device in the operating system representation method, such as NIC in the Linux operating system with EthX, is a positive integer starting from 0, such as eth0, eth1 ... ethX. And the common cat

DirectoryI. Introduction to the use of htop toolsIi. Introduction to the use of Dstat toolsThis blog post for Linux system introduced two commonly used system performance monitoring software basic use, for Linux system we generally want to monitor

Normal compilation installation/uninstallation:The installation of the source code generally consists of 3 steps:configuration (configure), compile (make), install ( make install)。 The Configure file is an executable script file that has many

Linux has a lot of powerful network scanning tools, network scanning tools can be divided into: host scanning, host service scanning, route scanning and so on.Prior to the usual host scan and route scanning tools, NMAP supports bulk host scanning

The previous two articles "Linux Common Network Tools: Fping host Scan" and "Linux common Network Tools: hping Advanced Host Scan" are all about the host scan, this article introduces the common route scanning tools traceroute and MTR.A route scan

Linux automatically connects to the wireless network when it is started, and linux automatically connects to the wireless network when it is started 1. Right-click the "Edit connection" icon of the wireless network diagram ". 2. on the "wireless"

[Reprinted] Linux Startup Process details-Section 8 of "do not worry about Linux programming" and linux Startup Process details This original article belongs to the "Linux greenhouse" blog, blog address for http://roclinux.cn. The author of this

Solution to the problem that the Nexus service on port 8081 of the TP-Link router cannot be accessed through the Internet Solution to the problem that the Nexus service on port 8081 of the TP-Link router cannot be accessed through the

How to install OpenERP (Odoo) in CentOS 7.x) Hello, this tutorial is about how to install Odoo in CentOS 7 (OpenERP as we know ). Are you considering installing a good ERP (Enterprise Resource Planning) software for your business? OpenERP is the