Linux

1.1 Creating a directory/data[[Email protected] ~] # Mkdir/data1.2 To see if the directory was created successfully "data can be found to create success"[[Email protected] ~] # ls/bin boot data dev etc Home Lib lib64 lost+found Media MNT

Linux environment, how to determine the Nginx is started with that config file?Input command line: PS-EF | grep nginxPress ENTER to appear as a slice:After the master process is the Nginx directory.How to view the Nginx version number installed on

Configure the Mailbox serviceLinux Common mailbox client is mail or mutt, service side has SendMail service (CentOS 5), Postfix service (CentOS 6). Here we do not use the local mail service, but use the local mail client, as well as the third

Optimizing Remote SSH connectionsSSH connection differences between 1.Linxu and windowWindom default 3389 port, admin administartor Normal is guestlinux default 22 port admin root Common Bunch2. Modify the default configuration SSH

Add by Zhj: Here's a good explanation of what WA means in the top command, and we know that when Io is blocked, the operating system changes the process to a blocking state, and the CPU is scheduled to run other processes.When the CPU is idle, it

First, view directory: LS (list)LS lists the current directory file (excluding hidden files)Ls-a list current directory files (including hidden files)Ls-l list the files in the current directory for more informationSecond, switch directory: CD

Sort commandSorts the rows in the files specified by the file parameter and writes the results to standard output. If the file parameter specifies multiple files, the sort command connects the files and sorts them as a file.Options and Parameters:-F:

(1) Get the image file:Wget-c https://mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/zookeeper-3.4.12/zookeeper-3.4.12.tar.gz(2) Decompression and installation ZKTAR-ZXVF zookeeper-3.4.12.tar.gzMkdir-p/usr/local/server/zookeeper-3.4.12MV zookeeper-3.4

The main directory and directory content in the Linux operating system is defined by the FileSystem hierarchy standard (Filesystem Hierarchy STANDARD,FHS), which in most cases is a traditional BSD file system hierarchy.1,/: Root at the top of the

Experimental Project: Redhat series Linux system installationFirst we install on the Vmwareworkstation software. , select Create, use the Setup Wizard, select Custom installation, click NextChoose to install the operating system laterClient

The GCC compile command is typically: GCC hello.c-o hello.outNote: If a library function (such as MATH.H) is referenced in hello.c, direct compilation will be an error"/tmp/ccalvmpy.o:in function ' main ':/TMP/CCALVMPY.O (. text+0x40): Undefined

I have always wanted to burn the kernel directly to the JZ2440 Development Board through Linux, but the online tutorials are all written with the TFTP tool on the Windows platform, which is very uncomfortable because I don't like to play on the

The Head command is used to display the contents at the beginning of the file. By default, the head command displays the contents of the first 10 lines of the file. The Tail command is used to display the content at the end of a file. By default,

After all, the rich third-party library is the advantage of Python, in order to more easily install third-party libraries, using the PIP command, we need to do the appropriate installation.1. Pre-installation Setuptools required before PIP

FTP作为一种简单的明文文件传输协议，其工作过程有两个工作进程--（命令进程（默认21端口）与数据传输进程）；而数据传输进程又分为主动与被动两种模式：主动FTP：命令连接：客户端 >1023端口 -> 服务器 21端口数据连接：客户端 >1023端口 1023端口 -> 服务器 21端口数据连接：客户端 >1023端口 -> 服务器 >1023端口

The Touch command has two features: One is used to update the time label of the existing file to the current time of the system (the default), their data will remain intact; The second is to create a new empty file. Touch Common

the Superblock the understanding first from Partition Structure The structure begins:1, first understand the nextBlock, forext2 (ext3)file systems, hard disk partitions are first divided intoBlock, the sameext2each of the files on the file

Recently for some reason a Linux virtual machine, and then boot found unable to ssh. But can ping through the gateway, outside but can not ping it, troubleshooting for a long time, add a new virtual network card is not, found that their subnets are

Click Back to learn the path of the Linux command line and shell script14.3-Create temporary file mktemp The Linux system retains a special directory location for temporary file use. Linux uses the/tmp directory to process files that do not

For the convenience of operation, Linux virtual opportunity to connect the network drive under Windows to share their own files, for the front end, I want to put gulp on the Windows disk, operating the PHP files in the virtual machine, one to save