We all know that in MySQL. The ability to use the extended-status option of the mysqladmin command to view the execution status of MySQL, for example, is to obtain several values that we often focus on:# mysqladmin-uroot-proot ext |grep "questions\|
RM (remove)Function: Delete files or directoriesSyntax: RM [-I R F] [file/directory]Rm-i: Ask the user whether to confirm the deletion, with Y or N to answer;Rm-r: Add this option when deleting a directory, delete files and directories under
Gpl,lgpl,bsd, Apache, the GPL as the GNU General Public License, as long as in a software to use the GPL agreement products, the product must use the GPL agreement, also must open source and free, with so-called "contagious." Both the GPL and the
Objective:This article consumes the author a lot of time to write, reprint statement anyisalin.blog.51cto.com.Most of this paper is a process of operation, not too much elaboration of theoretical knowledge1, the creation of file systemThere are
Just-in-line test server continues to outsource, and the CPU lasts 100%, after remote login to see that there is a length of 10 random string process, kill, will regenerate another length of 10 string process. Deleting files will also be duplicated,
Dormant (blocked) processes are in a special non-executable state. Process hibernation is caused by a variety of reasons, but must be to wait for some events. The event may be a period of time to read more data from file I/O, or a hardware event. A
Dstat is a versatile product that can replace Vmstat,iostat,netstat and Ifstat commands. Dstat overcomes the limitations of these commands and adds additional functionality, increasing the number of monitoring items and becoming more flexible. The
To build the LINUX-QT development environment, you need to build an android build environment, and then build on the Android build Environment , then LINUX-QT The compilation environment. First: the compiler.Second: Set environment variables. After
Log files are an extremely important tool for Linux system security. System administrators can use the Logrotate program to manage the latest events in the system, and log files are an extremely important tool for Linux system security. System
ORA-600 [KGHLKREM1] problem with Drop_cache when using Linux large page memory configurationFrom:ORA-600 [KGHLKREM1] on Linux Using Parameter drop_cache on hugepages Configuration (document ID 1070812.1)Suitable for:Oracle database-enterprise
Probably also the year before, has not put that I²c subsystem explained, here steal a lazy, the previous finishing of the knowledge of the i²c related to comb, do an end, and then to learn the timer subsystem.First look at the distribution of the
LS/down a few common files:650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/7A/8B/wKioL1arcCCAhzO3AAAeMb_ahlk827.gif "title=" 1.gif " alt= "Wkiol1arcccahzo3aaaemb_ahlk827.gif"/>/ Boot: System boot related files, such as kernel, INITRD, and
[Email protected] myshell]# chage-lusage:chage [Options] [login]options:-D,--lastday Last_day setDateOf Lastpassword change to Last_day-E,--expiredate expire_date set account expirationDateTo expire_date-H,--Help display this Help message and exit-I.
Powerful screen commands in Linux 2008-12-02 21:53 a "Baby" was discovered today, the Linux screen command, which not only provides a nohup-like feature for remote logins, but also provides the "multiple desktops" feature I like very much.
Configure JDK in CentOS and JDK in CentOS
Download the jdk from the official website to the system and decompress it.
Tar-axvf jdk.tr.gz
1. PATH environment variable. The function is to specify the command search PATH. When you execute a command
Linux i2c subsystem architecture, linuxi2c Subsystem
Writing i2c Device Drivers (slave devices) can be either of the following methods:
1. You can write an independent Slave Device Driver and use it directly.
2. the Linux kernel has implemented a
Decorate your terminal with a rich array of 256 colors
Terminals are not only black and white. Although using terminals can improve efficiency, this does not mean that we can only face non-black and white interfaces. Some applications on your
Linux network subsystem Kernel Analysis, linux subsystem Kernel
Select route
To send data packets to PC2, the linux system queries the route table to see that the 168.1.1.10 (Destination Address) gateway address is 192.168.1.1. In this case, the
ZIP package and zip package
The basic usage of linux zip commands is:
Zip [parameter] [package file name] [Package directory path]
Linux zip command parameter list:
-A converts a file to ASCII mode.-F try to repair damaged compressed files-H:
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