How to generate a pair of SSH private key and public key pairs?
On Linux, you can generate one first by
$ ssh-keygen -t rsa
By default on Linux, the key pair is stored in `~/.ssh` named `id_rsa` and `id_rsa.pub` for the private and public key.
Firefox on CentOS7 does not have Flash enabled by default. How to install Flash Player plugin on CentOS 7? You may follow this tutorials to build a freshwrapper based flash plugin for Firefox on CentOS 7. If you don’t want to build it by yourself, you may download the pre-built .so from from this repository….
How to @import a css file, such as for an open fonts hosted by Google, only for wide screens, such as with px of larger than 846? A piece of css that you can use: @import url(http://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,700italic,300,400,700,900) (min-width:846px) This import Open Sans fonts for only screens of at least 846 px. Read more: How to…
Update: this only works on older Linux kernels (e.g. Fedora 12). For newer kernels, please see How to disabling IPv6 on Linux IPv6 is enabled by default on most Linux distros. However, IPv4 is still the mostly used network and IPv6 is not used in many environment. This post introduces how to disable IPv6 support on…
This blog will explain about how to add a custom content in a Receipt which will be generated from MPOS in Microsoft Dynamics. Microsoft provides us with certain fields which can be put into the receipt. There are certain fields which a client will ask to show in the receipt. If the desired field is…
How to automatically fill a batch of data (well structured) to the PDF form? There are lots data items, so automatically do this by a program/script is required. If you know a little bit of Python, you can achieve this in Python with some libraries. Check How can I auto-populate a PDF form in Django/Python….
It is common to execute commands on many nodes/hosts via SSH for managing a cluster of Linux servers. On Linux, there are many choices for this task. Generally, to run commands on many nodes, there are two modes: serial mode and parallel mode. In serial mode, the command is executed on the node one by…