Linux

The ubuntu14.04 system is used and is installed using VMware virtual machines. As you can see from the kernel's slightly modified content, you may later need to modify some kernel code to match the hardware. Kernel file location for virtual machines:

Linux performance monitoring, the following are the Vpsee common tools: Simple Introduction to Tools Top view process activity status and some system conditions Vmstat View system status, hardware and system information, etc. Iostat View CPU load,

1. What is idle Simply put, idle is a process whose PID number is 0. Its predecessor was the first process created by the system and the only process that was not generated by fork (). In an SMP system, each processor unit has a separate run queue,

Brief Introduction Linux crontab and Windows task schedules are very similar. Crontab can be used to perform tasks on a regular basis in the system. For example: Write a reptile needs to be executed every morning at eight, you can use the crontab;

Sudo is a very useful tool on the Unix/linux platform that allows system administrators to assign reasonable "rights" to ordinary users to perform tasks that only superuser or other privileged users can accomplish, such as running some commands like

Implementation of real-time transmission based on Jrtplib library under LinuxRTP is a standard protocol and key technology for real-time streaming media transmission.Real-time transport protocol (real-time transport PROTOCOL,PRT) is a network

Background In the construction of the virtual machine to set up SVN, in the SVN client connection when there are some problems, the cost of a great deal of effort, and ultimately with the help of experienced experts to successfully solve. The

Linux command line set IP, gateway, and DNSIP and Subnet Masks execute this command: ifconfig eth0 192.168.1.123 netmask 255.255.255.0Write these two commands in/etc/rc.local or/etc/rc.d/rc.local, so you can keep them

The Ubuntu 7.04 was finally installed in the last two days, but the discovery of Firefox under Ubuntu (upgraded to 2.05) always opens a new page in a new window, even if it is set in Firefox to open in the new tab. If you want to play the page in

Site: Love seed little Doctor keywords: Linux Network service configuration file detailed Linux Network Service configuration file

Zip command usage: Zip [parameters] Parameters to be packaged:-a      #将文件转为ASCII模式-f      #尝 Try to repair the corrupted compressed file-H--help      #显示帮助界面-m      #压缩后删除源文件-q      #安静模式 does not display specific instruction execution procedures

This article demonstrates SVN's general operating procedures, do not inadvertently update the status. First look at SVN help, and several important SVN commands such as "Checkout, Commit, status" will be displayed. You also want to see Help for

Java EE Development of various types of resources download list, the history of the most complete IT resources, personal collection summary. The directory of the four applications we use frequently in Linux is:/bin,/sbin,/usr/bin,/usr/sbin

In the page tour company, short-term changes in requirements and bug changes unavoidable, the general common bug management system is bugfree, the demand is todolist, but no matter how two software, whether it is training or work, at the same time

Preliminary Knowledge Software Requirements Hardware Requirements System Process Manual Installation Action steps Automating the installation of Linux FAQ Preliminary Knowledge PXE PXE (preboot eXecution Environment) is a protocol designed by Intel

Analysis: Kill-15 ' Ps-eaf | Grep-v grep | Grep-i NodeManager | awk ' {print $} ' The meaning of this line of code 1. About grep: The grep full name is global Regular Expression Print, which represents the global regular expression version, and

Linux rsync incremental Sync method You can first use Rpm-qa |grep rsync to see if rsync is installedLet's talk about the Rsyns configuration processI. Configuring server-sideFirst edit the/etc/rsyncd.conf content as follows:UID = Nobody #进行备份的用户

When debugging a distributed system, logs are a good tool, such as logging with Log4j Records. However, if the time of each machine is inconsistent, it is not convenient to judge the order of each event. So time synchronization is useful, and the

When switching users in Linux into-bash4.1-$, there are two scenarios where this behavior can occur. Scene One : 1, create directory dir in root directory 2, useradd-d/dir Tom Create user Tom, specify their home directory as/dir, rather than its

The DNS service on Linux is provided by the BIND program.So in order to build a DNS server, you need to install the BIND program.Install bindBind fileMaster configuration file:/etc/named.conf It contains other filesView other files for bindwhich/etc/