Linux

Today in the installation of Oracle one RAC, look at the operating system DF-LH, found that the/home directory has been divided into more than 500 g,/root directory only 50G, then I burst a foul language, the TM system is how to do.Filesystem Size

To be proficient with Linux, you need to know his directory structure at the very least. The following were:Bin boot Cgroup Dev etc home lib lib64 lost+found Media misc mnt net opt proc root sbin selinux SRV sys TMP usr var650) this.width=650; "Src="

with the popularization of science and technology, Linux as the most popular service-side operating system, nobody knows, no one does not know. Today, whether it is server building, or client development, the basic skills of Linux system for the

Linux Primer CentOS7 Kernel compilation trilogy (3)in the previous article through some simple examples and uses introduced the Linux system the function and the function of the module. So every time after the system starts, and how to automatically

------------------------------------System Structure---------------------------------------------1.linux system structure is inverted tree type2./bin//binary executable is also a system command/sbin//System Management Command storage location/boot

Command summaryMkdir-p (Recursive Create directory) command to create a directory MkdirdirectorysLs-l (Long)-D (directory) displays the directory or the file name list (the first file in Linux belongs to the hidden file) use-A to view such filesCD

Transferred from: http://blog.csdn.net/wh_19910525/article/details/11536279When using Spin_lock in the Linux kernel, when to use Spin_lock_irqsave is easy to confuse. First look at how the code is implemented.Spin_lock of the call relationship

Platform device Platform Bus platform driverTurn from: Platform equipment drive full dialysis Song Baohua http://blog.csdn.net/21cnbao/article/details/56154211.1 Platform bus, device and driverIn the Linux 2.6 device driver model, the bus, device,

############### #虚拟机基本操作 ##########################[[email protected] desktop]$ rht-vmctl start Desktop # # # #开启desktop虚拟机# # # #操作命令 (hostname +virtual machine control) + operation mode + Operation Object ######Starting desktop.[Email protected]

1 uptime650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M00/87/BE/wKioL1fgw3fwvbbVAAAZWCpL97A875.png "title=" Uptime.png "alt=" Wkiol1fgw3fwvbbvaaazwcpl97a875.png "/> Current Time 13:02:42 The system has been running for days, 19:

# lspci | grep Ethernet03:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet (rev 12) # DMESG |grep Span style= "color: #990000;" >eth0 divert:allocating divert_blk for eth0 Eth0: Span style=

The previous article into the blog Park earlier, and this writing in the time only to find the internal complex so that failed to complete on time, resulting in two articles of the interval a bit long!Talk not much, but to the truth!the previous

3. Branching in Git 3.1 The structure of GIT metadata when commit commitsShows git at commit, the contents of the 5 Blob objects, and the relationship between each object, three files, a tree, and a commit object. Shows the relationship between

First, view the serial device for example, after inserting the USB to serial cable into the switch console port, execute the command:$ll/dev/ttyusb*Second, connecting the serial device $sudo minicom-d/dev/ttyusb0Third, set the serial port parameters

Problem:1. When using a Linux machine, it is often necessary to confirm the current operating system version information, kernel information, etc.The version information of the operating system can be accomplished by the following commands, such as:

A typical Linux distribution includes the Linux kernel, some GNU libraries and tools, a command-line shell, a graphical interface of the Xwindow system and the corresponding desktop environment, such as KDE, or GNOME, and contains a large number of

Recently learned the Linux shell, understand the VI editor in the common commands, especially when the configuration file is very long, the use of these commands is very convenient. Here is a brief introduction to some common simple commands.VI

Introduction to the 1.Linux kernelHow 1.1.Linux systems FormKernel space (Kernel spaces) + user spaceUser space = User program + C language Library (example: GNC C Libraries)Kernel space = Kernel + system call Interface (INTERFACE) +

1. Network Settings(1) Set IP addressConfiguration file is/etc/sysconfig/network-scripts/ifcfg-eth0If there is more than one network card, it is Ifcfg-eth0, ifcfg-eth1.......ifcfg-ethnThe contents are as

In general, files edited under Windows under Linux with VI Open the end of the line will be more than a ^m symbol, such as:This is because the text line breaks used by operating systems such as windows are different from the Unix/linux operating