Category: Linux

install LEMP Ubuntu

How to install LEMP (Linux, Nginx, MySQL, PHP) on Ubuntu

Nginx is a lightweight webserver/reverse proxy server and email (IMAP/POP3) proxy server, distributed under a BSD-like protocol, available on UNIX, GNU/Linux, Run on operating systems such as BSD, Mac OS X, Solaris, and Microsoft...

remove SWAP partitions

How to create or remove SWAP partitions in Linux

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...

Ubuntu 20.04 python 2

Ubuntu 20.04 is removing Python 2

Python’s developers have announced that Python 2 will stop maintenance after January 1, 2020, and Ubuntu 20.04, which is scheduled for release next April, will be the next long-term support release, so an important...

Flush DNS Cache Linux

How to Flush DNS Cache on Linux

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,...

change time zone Linux

[Linux Basics] How to change time zone

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 command Linux

Using the Dig command to query DNS records in Linux

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,...

freebsd

FreeBSD 14.0 released, Unix-like operating system

FreeBSD is a UNIX-like operating system based on the “4.4BSD-Lite” released by the University of California at Berkeley with some “4.4BSD-Lite2” enhancements for i386, amd64, IA-64, arm, MIPS, PowerPC, ppc64, PC -98, UltraSPARC, and...

Ubuntu Touch OnePlus 3

Ubuntu Touch installer supports OnePlus 3 and Sony Xperia X

Although Canonical officially abandoned the Ubuntu Touch mobile operating system, third-party developers are still actively providing regular OTA updates and feature improvements. Today, UBports developer, Marius Gripsgard announced on Twitter that the much-anticipated Ubuntu Touch...

install Atom Linux

How to install text editor Atom in Linux

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....

install PowerShell Core Linux

How to install PowerShell Core in Linux

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...

Iptables rules Linux administrators

Iptables rules that Linux administrators should know

Managing network traffic is one of the toughest tasks that system administrators must handle. We must specify that users connected to the system meet the firewall’s incoming and outgoing requirements to maximize system protection....

file permission Linux

How to change file/directory permission in Linux

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...

MidnightBSD

MidnightBSD 3.0 releases: free Unix-like, based on FreeBSD

MidnightBSD is a desktop operating system derived from FreeBSD. Unlike other BSD-based operating systems, which focus on ease of use, it provides common software for application scenarios such as word processing, web browsing, gaming, and...

remove old kernel Linux

Several ways to remove the old kernel from Linux

For LVM-enabled (Logical Volume Manager), encrypted, or disk storage space, we can periodically or manually remove unused Linux kernels to prevent the /boot partition from running out of space. It is very easy to...