Linux

The S3cmd command is a very powerful tool that can operate on AWS S3, not only to download and upload files, but also to create catalogs and other features. S3cmd's use scenarios are very rich, such as when you back up your local log files to S3,

This article describes the reasons for the close_wait state of Linux server-side TCP communication, which is illustrated by an example of a "bad" effect: direct the server process down. CentOS server to establish listening port 1 CentOS server to

LVM logical volumes, which may consist of one or more hard disks or partitions, can safely delete hard drives or partitions in logical volumes. Applicable to the scene, I have two small hard drives, I would like to change one of the small hard drive

If we start to modify the default port, even if we need to guess and crack the password, we need to find the port, at least to increase the difficulty of the VPS intrusion, in this article, the old Chiang will share how to modify the VPS default SSH

Doc ppt to PDF in Linux is still not a perfect solution, whether it is OpenOffice, or LibreOffice.Opening a doc,ppt document may cause a layout disorder. LibreOffice is still not perfect, the proposal to install the latest version of stability, 4.3.3

I thought I should use the command rmdirHowever, it was found that it could not delete the Non-empty directory.Later found that the original should use the command RM-RF directory namewhere the parameter-F indicates force. Using this parameter will

1. RoleUse the crontab command to modify the crontab configuration file, which is then configured by the Cron utility when appropriate , and this command uses permissions that are all users. 2. Format The code is as follows Copy

1.0 OverviewIn the Linux/proc file system, you can see the time slices that start at startup, all CPU consumption, and the time slices that the process consumes for a process. This is a cumulative value that can be "non-blocking" output. The process

The uptime command in the system is mainly used to get the host running time and query the Linux system load and other information. The uptime command can show how long the system has been running, and the display of the information is: now time,

This is the first of a series of articles on how to develop Web programs for Linux using a variety of available interfaces. Like most unix-based operating systems, Linux supports the use of TCP/IP as a local network transport protocol. In this

Set up this server, so that the client through the setting Proxy server squid to browse the Web page, through the proxy server SOCKS5 to use QQ, MSN, Securities and other services, the following brief introduction of the server's erection

This chapter describes the memory management features of Linux, namely virtual memory and disk caching. Describe what the system administrator should consider, work, and purpose. What is virtual memory? Linux supports virtual memory by using disk as

This chapter describes an important part of the standard Linux directory tree, based on FSSTND file system standards. Outlines a general approach to dividing a directory tree into several separate file systems for different purposes and given

U.S. local time March 15 06:00 (Beijing time March 15 19:00) news that, according to statistics, in the world's top 500 supercomputers, about 60% installed the Linux operating system, compared to other types of operating systems, Linux systems in

Group Policy is used to configure multiple Microsoft Active Directory directory service users and computer objects from a single point. By default, the policy affects not only the objects in the container where the policy is applied, but also the

Linux mount (Mount) disc image files, removable hard disks, USB drives, Windows and NFS network sharesLinux is an excellent open-source operating system, can run in large-to-small to the palm of a variety of computer systems, with the growing

After executing the UCP and uux commands, the job is first sent to the queue before uucico executes the job. Uustat can display, delete, or start tasks waiting for execution in the queue.SyntaxUustat [-aeiKmMNpqQRv] [-B ] [-c ] [-C ] [-I ] [-k ] [-o

I have talked about some frequently asked questions about Nginx in the past. Some of them are about how to optimize Nginx. many new Nginx users migrate from Apache, because they used to adjust the configuration and execute magic operations to ensure

Zip is a widely used compression program. After files are compressed, other compressed files with the ". zip" extension will be generated.SyntaxZip [-AcdDfFghjJKlLmoqrSTuvVwXyz $] [-B ] [-ll] [-n ] [-t ] [-] [compressed file] [file...] [-I ] [-x

The Linux cp command is mainly used to copy files or directories.SyntaxCp [options] source destOrCp [options] source... directoryParameter description: -A: This option is usually used when copying a directory. It retains the link and file