ss – another utility to investigate sockets. ss is used to dump socket statistics. It allows showing information similar to netstat. It can display more TCP and state informations than other tools. Use Example...
MySQL is an open-source relational database management system. Its name is a combination of “My”, the name of co-founder Michael Widenius’s daughter, and “SQL”, the abbreviation for Structured Query Language. In this post, I’m...
VPN (Virtual Private Network), between the client and the host to establish an encrypted tunnel, the client’s request to encrypt all the way to send to the VPN server. The mainstream VPN is divided...
As you all know, when the Linux system is consuming physical memory, the inactive pages are moved from physical memory to the SWAP space, and the SWAP space can exist as a dedicated SWAP...
Everyone knows that the DNS server is one of the core components of the Internet. Without the DNS server, users have to use IP addresses to access websites. This is almost an impossible task,...
If your Linux system time zone is not configured correctly, you must manually adjust to the correct local time zone. NTP synchronizes time processing only calculates the offset between local time and UTC time....
Dig ( Domain Information Groper) is a powerful command-line tool that can be used for DNS record queries. Using the dig command, you can query information about various DNS records, including hostname records (A,...
Atom is a cross-platform text editor for Github specifically for programmers. With a simple and intuitive graphical user interface, and there are many interesting features: support for CSS, HTML, JavaScript, and other web programming languages....
PowerShell is built on top of the .NET Framework and is a task-based open-source command-line shell and scripting language. The goal is to become a ubiquitous language for managing hybrid cloud assets, which is...
How to change file/directory permission in Linux chmod chmod (change file mode bits) command allows you to change file access and directory. File permissions are given to users, groups, and other users. SYNOPSIS chmod...
The grep command is one of the most powerful and commonly used commands in Linux systems. Grep can search one or more files to find rows that match the “given pattern” and write each...
systemctl may be used to introspect and control the state of the “systemd” system and service manager. To view service running on startup in Linux, you use a simple command: systemctl list-unit-files List unit...
