Linux

Memory is one of the most important resources managed by the Linux kernel. The memory management system is the most important part of the operating system because the system's physical memory is always less than the amount of memory required by the

1. Trickle Introduction Trickle is a lightweight user space bandwidth control tool used to limit network bandwidth such as browser Firefox, FTP, SSH,CURL,WGET,SCP, and so on.Trickle controls and restricts the upload and download speed of

Note: Because this chapter describes installation iRedMail-0.9.4, does not configure local DNS resolution, and does not do DNS resolution, all content is used in LAN environmentArticle reference: http://www.iredmail.com/docs/install.iredmail.on.rhel.

Everyone knows file and directory permissions The most common are three. Readable (R). Writable (W) ... Executable (x) ... Their levels are 4, respectively. 2..1. We also sometimes find that some files belong to the owner with a flag bit of s on it.

Iftop command Installation The code is as follows Copy Code [Root@test iftop-0.9]# make[Root@test iftop-0.9]# make install[Root@test iftop-0.9]# Iftop Instance The default is to monitor the traffic of the

One, SVN installation1. Installation package$ sudo apt-get install subversion 2. Add SVN Admin user and Subversion Group$ sudo adduser svnuser$ sudo addgroup subversion$ sudo addgroup svnuser subversion 3. Create a project directory$ sudo

Compression, decompression is the daily work of the two common operations, for Windows platform, the most commonly used format is zip and rar, most of the domestic use of RAR, most of the foreign is using zip. For Unix-like platforms, the commonly

As a system administrator or Linux Power User, your may has probably come across or even on several occasions, used the VE Rsatile Linux Rsync tool, which enables users to expeditiously copy or synchronize files locally and remotely. It is as well a

Today, when you practice the Linux command line suddenly, you want to contact the Linux command line in window. After some Dudu found a good tool (securecrt--meaning safe) is to use SSH link to the Linux host. Recommended for everyone to use. After

The first stepInstall Git: Can be quickly installed by command, different Linux installation methods may not be the same, I am using the Yum method. Ubuntu can use the Apt-get command.sudo yum install gitStep TwoAdd git users, because the GIT server

RM Delete File command1 , command formatRM [Options] File ...2. Command functionRM Command, delete File command, is a common command under the Linux system, the function of the command is to delete a file or a whole directory or a part of the

Zip command Function descriptionZip Program is a file compression tool is also a file archiving tool, files or directories can be compressed or decompressed, compressed format for zip. In Linux systems, Gzip is the main compression instruction,

Scenario: The partition of Linux system is always fascinated by the boundless, or practice less, the foundation is not solid.Prior to the first knowledge of Linux, the Linux system installation of the choice of partition, a little did not understand,

Chapter II WLAN and inherent insecurity Vivek Ramachandran, Cameron Buchanan Translator: Dragon Protocol: CC BY-NC-SA 4.0 Brief introduction The higher the building, the deeper the foundation will hit. – Thomas

The latest open-source multi-threaded performance test tool-sysbenchGuideSysbench is an open-source multi-threaded performance testing tool that can perform performance tests on CPU, memory, thread, IO, and database. Currently supported

Please do not repeat the mistakes I made on learning Python and Linux systemsI have been working in the O & M industry for nearly ten years. I first came into contact with Linux in my sophomore year. At that time, I only sought to understand it. So

Basic Linux Network commands, you deserveGuideAmbitious Linux system administrators and Linux enthusiasts must know the most important and basic collection of Linux Network commands. In It's FOSS, we don't talk about Linux's "command line" every day

Is it really useful to pack all releases like Snap and Flatpak?GuideThe new Linux technology like Lightbot naturally raises the question: what are the advantages/disadvantages of an independent package? Does this give us a better Linux system? What

"Ubuntu" installs Ubuntu Server over a wireless network and connects to the wireless network after the system is started 」   Shortly after contacting the Ubuntu system, I found that installing Ubuntu Server in a wireless network environment is not

After the vpn is installed, a 800 error is prompted when you connect to the vpn using windows. Generally, the firewall does not open the corresponding Port. In this case, add the port to the firewall. The code is as follows:Iptables-a input-m