Top 5 Reasons to get a PRINCE2 certification
PRINCE2 management methodology applies to every industrial sector and for any type of project. The certification is derived from PRINCE, a government standard in the UK which actually was designed for...
View Articlebrushtopbm [Command]
Command brushtopbm brushtopbm — Convert a doodle brush file into a portable bitmap Syntax brushtopbm [brushfile] Description brushtopbm reads a Xerox doodle brush file as input and produces a portable...
View Article[Error] AppThemes Jobroller 1.6 doesn’t send emails hosted on GoDaddy
Problem: AppThemes Jobroller 1.6 doesn’t send emails installed on GoDaddy Linux hosting. Solution: Install WP-Mail-SMTP Plugin for wordpress Go to plugin settings and set theses values: From Email...
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GDPR: What is it? And why it is so important for website owners to understand?
For anyone who runs a website in 2018 and beyond, new regulations coming in across the European Union could have a sizeable impact on your online performance. For example, the 2018 introduction of...
View Article[How To] Save and auto load rules of iptables (Lazymode)
At first, it’s a good idea to have some iptables rules to save and then reload. For example, let’s create following rules: $ sudo -E -s # iptables -F # iptables -X # iptables -P OUTPUT ACCEPT #...
View Article[How To] Find out the PID of process in Linux
Each process in the operating system has its own unique identifier, by which you can get information about this process, as well as send it a control signal or complete it. In Linux, name of this...
View Article[How To] Clean up files left after removing packages
As known, in Debian/Ubuntu Linux, it is possible to remove package with remove and purge command. purge command removes package and all its files from the system, including configuration files too....
View ArticleUser groups in Linux
We have already spoken about Linux user groups on this site many times. This is the main and very convenient way to manage the permissions of users and processes in this operating system. To view the...
View Article[How To] Add user to the group in Linux
The Linux operating system was originally created as a multi-user system. To control access rights for each user, three flags are used: read, write and execute. But this was not enough, so Linux user...
View Article[How To] Remove User from group in Linux
User groups are used to configure file system access of the operating system. Since in Linux all objects of the OS are files, then with the help of groups you can configure or restrict access to any...
View Article[HOW TO] Reset a MySQL root password
To access the MySQL or MariaDB database, you need to enter a username and password. During installation, a root user account is automatically created, which is an analog of superuser in Linux for...
View Article[HOW TO] configure /etc/hosts and /etc/nsswitch.conf file
The DNS (Domain Name System) is used to determine which IP belongs to the required domain on the Internet. When a program needs to access the site by its domain name, the operating system sends a...
View Articleman mount
MOUNT(8) System Administration MOUNT(8) NAME mount - mount a filesystem SYNOPSIS mount [-l|-h|-V] mount -a [-fFnrsvw] [-t fstype] [-O optlist] mount [-fnrsvw] [-o options] device|dir mount [-fnrsvw]...
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Top 10 Best Linux Distros for Laptop/Notebook in 2019
We know that Linux is the most secure and reliable open source operating system. When choosing Linux for a computer, we can try any distributions we like, such as Ubuntu, OpenSUSE, Fedora, and so on....
View Article[How To] configure swap partition in Ubuntu 19.10
RAM is very important for the computer normal operation. It contains all data of the working programs. When the memory is full, the program may produce various errors or even stop working. The...
View Article[HowTo] Change swap size in Linux (Ubuntu)
From Ubuntu 17, the swap partition was replaced by a swap file. The main advantage of the swap file is easy resizing. In the following example, we will change the swap size from 2 GB to 4 GB. Turn off...
View Article[How To] redirect text to a file using sudo
In Ubuntu Linux (and a number of other systems) it is customary to use sudo to obtain root privileges, and often there is the task of writing (for example, via echo) any value to a file owned by the...
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[HowTo] Replace battery of 70mai PRO
This video shows howto remove and change battery of 70mai PRO car dash cam. 70mai PRO battery capacity is 500mAh and the model is HMC1450
View Article[How To] Get Centos Version
In this article, we will see how to get CentOS version, see the level of updates, and also find out the kernel version that is currently in use. The instruction is written for CentOS 7, however, it is...
View Article[How To] find all duplicates and the number of repetitions
Let’s write a function which will find all duplicate elements and the number of repetitions in the given list using python. For example, function will return {11: 3, 1024: 2} for [11, 11, 23, 11,...
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