Powerful and Common Commands in Linux: find and grep

Powerful and Common Commands in Linux: find and grep

(Click the public account above to quickly follow) Source: Wu Qin (Tyler) Link: http://www.cnblogs.com/skynet/archive/2010/12/25/1916873.html Working in Linux, some commands can greatly improve efficiency. This article introduces the find and grep commands, which are essential Linux commands that I use almost every day. The structure of this article is as follows: find command General form of … Read more

Linux File Search Tools: Locate vs Find

Linux File Search Tools: Locate vs Find

1. Locate 1. Performance Overview Queries the pre-built file index database on the system /var/lib/mlocate/mlocate.db Note: If this file is deleted, locate will not work. You need to manually update the database (updatedb) or restart the system for locate to function again. Relies on a pre-built index: The index is constructed automatically during idle times … Read more

Bluetooth Low Energy Direction Finding and Testing

Bluetooth Low Energy Direction Finding and Testing

Author: Yoshihide Goto, Akihisa Kumaki, Takashi Nakano | Anritsu 1. Introduction Bluetooth technology is widely used in short-range wireless devices such as headphones, speakers, smartwatches, etc. Since the first standard was established in 1998, the application range of Bluetooth has continuously expanded, not only including data transmission but also developing applications such as distance detection … Read more