Cloud Applications

The company's network environment is a bit complicated. the damn confidentiality policy requires that all internet connections should be implemented through HTTP proxy. In the Win environment, you only need to synchronize the proxy configuration

In this article, I have figured out several things that will always be done after installing a brand new KaliLinux. Since I have multiple laptops and workstations, we recommend that you expand the scope of the following steps to meet your needs.

Programmers may lose data due to misoperations. if they are busy with projects for a week, they will be overwhelmed. The boss's criticism and the manager's reprimand were followed. The next step is not having to take a break, work overtime, or even

Sometimes, as common users and system administrators, we need to know how our system runs. You only need to check the log files generated by the activity service to solve many problems related to the system status. However, it is not easy to check

When installing software using source code files in UbuntuLinux, the chmod command is often used to change the file permission so that the permission label executed during installation is Ubuntu. It is often used to install software using source

This tutorial teaches Linux users how to change the Umask value of their systems permanently. We recommend that you learn from the newly installed users (if you want to know why, follow these steps ). What is Umask? UMASK stands for the user mask or

This article mainly introduces how to fix SublimeText2 to the Ubuntu starter. if you need it, refer to the following tag: Ubuntu Sublime Text 2It is the best code editor I have ever used. the UI and plug-in management are great, and I can try it for

In the previous tutorial, we created a primary domain name server (ns1) for a test domain exmample. tst ). In this article, we will use the bind package in CentOS to create a secondary domain name server (NS2 ). When creating a secondary DNS server,

Currently, full hardware virtualization technology (KVM, Xen, Hyper-V, etc.) can run multiple independent operating systems on a physical host, but this also brings about some problems: poor performance, waste of resources, and slow system response.

OpenSSH is a free version of the SSH connection tool. Telnet, rlogin and ftp users may not realize that their passwords transmitted over the Internet are unencrypted, but SSH is encrypted. OpenSSH encrypts all communications (including passwords ),

Once the NginxWeb server is set up and running in the production environment, you want to monitor its activities in real time. In fact, common network monitoring software can support real-time monitoring of Nginx, such as Nagios, Zabbix, and Munin.

Although SSH is designed for secure access, its functions are indeed open to intrusion. However, with a slight modification, the Linux administrator can make sshd more secure. By default, most Linux servers run the SecureShellDaemon (sshd) process

Sed is a good file processing tool. it is a pipeline command mainly used for processing by behavior units. it can replace, delete, add, and select data rows, the following describes the usage of sed. the format of sed command line is as follows: Sed

This article mainly introduces how to use cgroups to control memory resources in Linux. For more information, see Cgroups has a memory subsystem used to restrict and report the memory usage of processes. Obviously, there are two groups of

When you work on a terminal or console, you may want to record what you do on the terminal. These records can be used as historical materials to save what happened on the terminal. For example, you and some Linux administrators manage the same

As a system administrator, let's talk about Linux based on server applications. as Linux on a personal computer may not be the same as on a server, security and stability are preferred, therefore, a friend who uses a PC can only make a reference. As

Linux has many screenshot tools of different tastes, including screenshot programs dedicated to the desktop environment (such as KSnapshot in KDE, GNOME-screenshot in gnome, and Xfce Screenshooter ), or a common screenshot program (such as Shutter ).

Fedora20 was officially released after two jumps. its main features include: Remote Desktop solution X2Go; network manager support for extended binding and bridging; improved 3D printer support. in this article, the author has installed and tried

If you are looking for a very easy-to-use Linux performance monitoring tool, I strongly recommend installing and using the Nmon command line utility. Nmon monitoring tool Nmon is a system administrator tuning and benchmarking tool, it can be used to

The ldd command is used to determine the dynamic library contained in an executable binary file. Linux Ldd parameter description:-- Version: prints the version number of ldd.-V -- verbose prints all information, such as the version information of