Linux

The Linux du command also looks at the use of space, but unlike the DF command, the Linux du command is to see whether the currently specified file or directory (recursively displaying subdirectories) consumes disk space or is somewhat different

Steps1. Add the following content to the/etc/profile file2. Execution: Source/etc/profileEffect1Export histtimeformat="%y-%m-%d%h:%m:%s"2Echo'export histtimeformat= "%F%T ' WhoAmI '"'3user_ip= ' who-u am I 2>/dev/null| Awk'{print $NF}'|sed-e's/[()]//

Linux players know that Linux is much more secure than Windows, and this is mainly because of Linux security permissions mechanism, Linux users and files are the focus of the system, and the main philosophy of Linux is all documents. Users in Linux

Query related findFind a file or folder, including subdirectories, by rule find . -name ‘*.sh‘--Files ending with. sh find . -name ‘*channel*‘--File containing the channel character find . -name ‘build*‘--Files that begin with build

If your Linux server bursts into sudden load, how can you pinpoint Linux performance problems in the shortest possible time?You can get a general idea of system resource usage within 1 minutes by executing the following command. Uptime

Guide In Unix and its derivative, such as Linux, everything can be considered a file. Although it is only a general concept, it is true. If there is not a file, then it must be a running process. To understand this, for example, the

how to produce core under Linux, Debug coreExcerpt from: Http://blog.163.com/[email protected]/blog/static/19554784201131791239753/When an unusual program exits, the kernel generates a core file (a memory image, plus debugging information) in the

In Linux, the tasks performed by the cycle are typically handled by the cron Daemon (ps-ef|grep cron). Cron reads one or more configuration files that contain the command line and its invocation time.The cron configuration file is called "crontab"

This article was reprinted from: Http://www.cnblogs.com/mickole/p/3188321.html A, overview of the daemon processLinux Daemon (daemon) is a special process running in the background. It is independent of the control terminal and periodically performs

We use the Linux system when the most contact is its command line window, many times we need to enter commands on the command line, before the input command will have a prompt, the general system default prompt form is: [[email protected] working

=======Concept: The default CentOS is said to be LVM-basedLVM:LVM is the short name for Logical Disk volume management (Logical Volume Manager), which is a mechanism for managing disk partitions in a Linux environment.LVM more detailed instructions

System InformationThe processor architecture of the Arch Display machine (1)UNAME-M Display the processor architecture of the machine (2)Uname-r displaying the kernel version in useDMIDECODE-Q Display hardware system components-(SMBIOS/DMI) hdparm-i/

Reprinted from: Http://www.cnblogs.com/purediy/p/4288649.html Query related findFind a file or folder, including subdirectories, by rule find . -name ‘*.sh‘--Files ending with. sh find . -name ‘*channel*‘--File containing the channel

Description1) The VMware ESXi virtualization platform also supports this online extended disk feature.2) The KVM virtual machine also supports the online extended disk function, which is extended to a specific usage environment, primarily for

Recently in the DOS command to perform PHP functions, in order to make the results of the implementation of convenient recording, so you need to add a log-generating function. It's easy, let's study together.WindowsTo satisfy the log file is

Linux Bash Shell learning notes, bash learning notes Parameter extension: 1. The parameter referenced by the name is called a variable.2. Parameters referenced by numbers are called positional parameters.3. Parameters referenced by a specific symbol

Linux and Windows file transmission implementation, linux file transmission Linux and Windows File Transfer implementation I. Overview When learning about Linux servers, we sometimes need to interact with files in Windows. How do we implement this?

Xshell5 connects to Ubuntu in VirtualBox Virtual Machine Background Recently, prepare to learn about google's Deep Learning Open Source framework TensorFlow (http://tensorflow.org/), Github source code in the Development. Installation Process Step 1-

Introduction and Management of users and groups with basic Linux knowledge This section describes the basic concepts of users and groups in Linux and corresponding configuration files. User Group Management includes adding, modifying, and

Enable VNC service configuration in Ubuntu Ubuntu Server Configuration Install vncserver $ Sudo apt-get install vnc4server Enable the vnc serviceIf you want to access the root user's desktop environment, use sudo vncserver. If you want to access the