Linux

file OperationsCreate folder: MkDir folder nameView folders and files for the current directory: LSSee all files and information under the current folder: Ls-lDelete empty folder: RmDir folder nameDelete Non-empty folder: RM RF folder nameDelete

Involves fast cursor movement under the Linux command line, command editing, post-editing execution history commands, Bang (!) commands, control commands, and so on. Make basher more efficient.Description Ctrl–k: Hold down the Ctrl key

In order to relieve the stress of memory usage, there are mechanisms to trigger dirty page writeback in addition to the user manually writing back the dirty pages.Let's say set a timer and write back regularly to pages that have been dirty for a

Linux Backup StrategyFirst, the Backup data considerations1. Causes of system damage:A, hardware problems, such as: hard disk damage.b, software problems, such as: Hand slip, in the Results command column input rm-rf/home, resulting in the home

The tar command can be used to package and unpack. Packaging refers to a large number of files or directories into a total file, compression is a large file through some compression algorithm into a small file. So package unpacking and compression

From http://blog.csdn.net/winstary/archive/2009/08/08/4422156.aspxUse expect to implement automatic logon script, there are many online, but there is no clear explanation, beginners are generally copied, collection. But why do you want to write this

1. If the JDK has been installed before the queryRpm-qa | grep java2. Installing the JDK3. Check the installation of JDK4. Changing Environment variablesPress I to add the following code to the last side of the documentExport java_home=/usr/java/jdk1

Viewing the system environment[Email protected] ~]# Cat/etc/redhat-releasecentos release 6.6 (Final)[Email protected] ~]# uname–alinux xuliangwei.com 2.6.32-504.el6.x86_64 #1 SMP Wed Oct 04:27:16 UTC x86_64 x86_6 4 x86_64 Gnu/linux1. Streamlined

Because of the need for work recently, the company's multiple Linux servers for password policy settings, the main content is to increase the complexity of the password.The operation steps are as follows, no classmate can refer to:Before the

Recently found in the work, many colleagues, especially our PHP developers, basically do not use Linux/unix under the shortcut, seriously affect the efficiency, so write this article, after each usage I will be detailed comments.All of the following

Socket Signal DriverIn order for a socket to be able to use the signal-driven I/O, at least the following 3 steps are required. 1. Installing the Sigio signal 2. The owner of the socket is set to the current process. Because the Sigio

File directory related commandsChong file builtTouch 111 Create a file 111echo 'aaaaa' > 111 Write aaaaa to file 111 (overwrite the content in the previous 111)echo 'bbbb' >> 111 writes bbbb to file 111 (appended to the last 111 content)Create a

Client:#include #include #include #include #include #include #include #define Msg_server "/msgqueue"#define Buf_len 20000int main (int argc,char** argv){mqd_t QD;int Len;ssize_t Rec_len;Char Rec_buf[buf_len];char *p = NULL;memset (rec_buf, 1, sizeof

PS: Brother Bird's third edition of private dishes printing problemsThe above meaning: D refers to the directoryFile Owner permissions: R readable w writable, X, can run,Permissions for the same group: R readable, this paragraph has a-number, which

The atop command is a monitoring command for a terminal environment. It shows the synthesis of various system resources (CPU, memory, network, I/O, kernel), and is color-coded in the case of high loads.Install Rpmforge FirstFor Rhel/centos 6 32-64

1. Whether the query is installedRpm-qa Subversion2. Query the installation versionSvnserve--version3. Uninstalling the InstallationYum Remove Subversion4. Install SVNYum Install Subversion5. Create repository directory (name arbitrary, such as:

Some classic books in Linux and classic books in LinuxI. Road to linux 1. Getting Started 《LINUX authoritative guideThe book is good, and it is comprehensive and widely written. It is not deeply involved. As an entry-level book, it is good. You can

Rotten mud: aws builds a shadowsocks server and awsshadowsocks This document consistsXiuyi Lin FengProviding friendship sponsorship, first launchedThe world I have been busy with openvpn some time ago. Now I have an aws server on hand and I plan to

Using oneproxy to deploy the read/write splitting of the mysql database, oneproxymysql Experimental System: CentOS 6.6 _ x86_64 Prerequisites: Firewall and selinux are both disabled. Tutorial Description: In this experiment, there are a total of

In linux, the shell script executes the jar file, Recently, I am working on a shell script to start the jar file and close the jar file. It hurts me. Finally finished this evening. In other words, the younger brother's linux is just getting started.