Linux touch command
touch – change file timestamps Update the access and modification times of each FILE to the current time. A FILE argument that does not exist is created empty, unless -c or -h is supplied....
Author: Nam Phong
Introduce to locate Command in Linux
locate allows users to quickly search for specific files in the Linux file system. The method is to first create a database that includes all file names and paths in the system, and then...
Linux Kernel 5.6 has added support for USB4
USB4 devices are expected to come out later this year, now, the Linux 5.6 kernel had added initial support for USB4. Support for USB4 in Linux 5.6 is a much-anticipated feature, and it has...
WireGuard has been merged into the Linux 5.6 kernel mainline
WireGuard author, Jason A. Donenfeld once said that WireGuard will enter the kernel mainline in Linux 5.6. He mentioned at the time that WireGuard had been merged into Dave Miller’s net-next tree. When Linus...
Compile and install MySQL 5.7.29 from source code in CentOS
How to compile and install MySQL 5.7.29 from source code in CentOS Install compilation tools and requirement packages: yum install gcc gcc-c++ ncurses-devel cmake bison Download mysql source code wget https://github.com/mysql/mysql-server/archive/mysql-5.7.29.tar.gz Compile and install...
Linux cat command in Example
cat – concatenate files and print on the standard output, is a standard Unix utility that reads files sequentially, writing them to standard output. The name is derived from its function to concatenate files....
How to secure Apache HTTP server
If you are a system administrator, you should follow these 7 tips to keep your Apache HTTP server secure. 1. Disable unnecessary modules If you plan to compile and install Apache from source, you...
5 chkconfig Command Examples in CentOS
The Chkconfig command is used to set, view or change the services that are automatically started at startup. Five practical examples to illustrate the use of the Chkconfig command. 1. Using Shell Script to...
What’s new in Ubuntu 20.04 LTS?
The Ubuntu 19.10 life cycle will end in July this year, and the next largest version will be Ubuntu 20.04 LTS. Its major updates and improvements will be terminated before 2030. Ubuntu 20.04 is...
Solus 4.4 Fortitude releases, Linux distribution
Solus is an independent desktop operating system based on the Linux kernel. Solus comes pre-installed with a wide range of software that includes the latest Firefox, Thunderbird, Transmission and GNOME MPV. Additional software that is not installed by default...
How to secure a CentOS system
Comment out unwanted users and user groups vi /etc/passwd vi /etc/group Add immutable attributes to the following files to prevent unauthorized users from gaining permissions chattr +i /etc/passwd chattr +i /etc/shadow chattr +i /etc/group...
Qubes OS 4.1.2 releases: The best Linux distributions for privacy and security
What is Qubes OS? Qubes OS is a security-oriented operating system (OS). The OS is the software that runs all the other programs on a computer. Some examples of popular OSes are Microsoft...
