Tech
Installing Tractor on Mac
1. Preparations 1.1. Install Command Line Tools for Xcode If you have not installed Xcode, please install it from the App Store. After installation, open a terminal and type:
Technical notes
Some useful technical notes related to my work will be kept in this Tech section.
Tech
Useful Table Access Protocol (TAP) URLs for Astronomers
Table Access Protocol (TAP) is a service protocol for accessing general table data, especially astronomical catalogs. For a detailed introduction to TAP, please refer to the IVOA TAP …
Tech
How to install IRAF and PyRAF on a M1/M2 (Apple Silicon) Mac?
This tutorial is for installing IRAF Community Distribution and PyRAF on a M1/M2 (Apple Silicon) Mac. The following steps are tested on Mac OS Sonoma 14.2.1 with M1 chip.
Tech
Local port forwarding examples
For more information, please see this SSH tutorial. 1. Forward agnkiaa:9000 to localhost:8080 The webpage running on agnkiaa:9000 cannot be accessed from remote clients. To visit the webpage …
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Create and manage SSH keys for authentication to a Linux server
Say the hostname of the server is agnkiaa (e.g. set in your local /etc/hosts file), with its ip address being 162.***.***.***, we can set up SSH keys following the steps below.