Category: Linux
Create a Linux Program Launcher Icon
Two tools are now available in the GitHub repository located at https://github.com/ctheroux/LinuxUtilities-Users to create a program launcher for most Linux systems. The first version of them is a command-line version
Read MoreIssues with Ubuntu 20.04 on AMD Ryzen 7 4800H and GeForce GTX 1660 Ti
UPDATE: Ubuntu 20.10 fixes the issues listed below. ASUS came out recently with very powerful gaming laptops at a very good price. The hardware is quite recent. Installing Linux on
Read MoreMake Linux use the hardware clock set to local time
Ubuntu sometimes assumes that the hardware clock of the computer is set to GMT. If the hardware clock is set to local time, set UTC=no in /etc/default/rcS.
Read MoreMove and secure the MySQL data directory
By default, the data directory of MySQL is /var/lib/mysql. This can be a security issue, especially on a laptop. If your home directory is encrypted, you can easily secure you
Read MoreInterrupt NodeMCU init.lua
It can be sometimes challenging to regain control of the NodeMCU running on a ESP8266 when init.lua has a tight loop in it. To do so, first, download esptool.py from GitHub.
Read MoreMake an Apache2 SSL server more secure
These easy steps will improve significantly the security of your Apache2 SSL server. Edit your /etc/apache2/mods-enabled/ssl.conf file and replace the SSLProtocol, SSLCipherSuite and SSLHonorCipherOrder parameters with the following values. SSLCipherSuite
Read MoreHow to Install libnfc for PN532 NFC Readers on Linux
Installing libnfc for PN532 based NFC reader is not exactly as described in the documentation. Some information is scattered in the documentation. This installation guide has been tested with the
Read MoreHow To Setup an Internet Gateway using Ubuntu
Setting up an Internet Gateway using Ubuntu is pretty straight forward. In order to do so, you will need: A computer with two network interfaces. One hooked to your WAN
Read MoreJava Applets are no longer working in Linux
NPAPI support was dropped in Chrome version 35 introduced in Spring 2014. One of the consequences is that Java Applets running with IcedTea no longer works. Upgrading to Ubuntu 14.04
Read MoreHow to restore the Arduino Bootloader?
It can be easily done using Linux. This procedure is for the 328p processor. It can easily be adapted for a 168 processor. You will need an ICSP. First, make
Read MoreHow to rename a user in Linux
Simply issue this command: usermod -m -d /home/new-account-name -l new-account-name old-account-name It creates the home directory if it does not exists. It also copy the stuff of the old user
Read MoreHow to use the command line to make the internal speaker beep
Two simple steps: Install the beep utility. Executing beep on the command line will make the internal speaker beep. apt-get install beep Add pcspkr to /etc/modules to load it at
Read MoreHow to assign a static IP address in Ubuntu
Setting a static IP address in Ubuntu involves editing /etc/network/interfaces. If the interface is currently using DHCP, you will find these lines in the file. auto lan iface lan inet
Read MoreHow to change the network interface name in Ubuntu 12/13
Two files need to be modified to change the name of a network interface in Ubuntu. For example, if you want to change eth0 for lan, simply change the NAME
Read MoreHow to find duplicate files on Linux?
It is pretty straight forward in Linux, install fdupes. sudo apt-get install fdupes Type the following command to display the documentation man fdupes
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