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How to get the latest git commit SHA-1 in a repository?
ByEric MaHow to get the latest git commit SHA-1 id in a repository? And how to get the first 8 digits of the SHA-1? Instead of the method introduced here, you may use $ git rev-parse HEAD to get the commit SHA-1 hash ID. If you want to get the first 8 digits only, use $…
How to force a website to use https by htaccess settings?
ByEric MaI would like my site to be accessed by https only. How to force a website to use https by htaccess settings by redirecting http requests to the corresponding https ones? You can check the method of redirecting http to https at: https://www.systutorials.com/qa/1033/how-to-redirect-http-to-https-in-apache-with-mod_rewrite If you would like to have a 301 redirect, you can use…
Sending emails securely
ByQ ASending emails securely is needed for certain situations, such as sending my bank account to my wife, giving my account password to my close friend for a while. How to send it? Regarding the recent US PRISM program, it is an important issue. Seeing your solution, a few of my own popped up. Here are…
Changing Systemd Boot Target in Linux
ByEric MaMany Linux distros, such as RHEL/CentOS 7, Fedora, Ubuntu 16, are now using systemd instead of init as the init system. It is common for Linux users to set Linux to boot to “GUI” or “Text” mode. The old way of changing ‘/etc/inittab’ for choosing Linux runlevels is not working for sytemd. This post will…
How to save PuTTY profiles/sessions?
ByQ APuTTY is a great SSH client on Windows. However, how to save it’s profiles/sessions that I saved so that I can migrate my settings from one machine to another? PuTTY saves its settings in the registry of Windows. You can find it in the registry editor by run regedit under: HKEY_CURRENT_USERSoftwareSimonTatham You can save your…
How to convert a string to lower case in Python?
ByQ AHow to convert a string to lower case in Python? For example: “Abc” -> “abc” “BBB” -> “bbb” “abc” -> “abc” You can use the string.lower() method of Python: string.lower(s) Return a copy of s, but with upper case letters converted to lower case. Example: $ python Python 2.7.5 (default, Apr 11 2018, 07:36:10) [GCC…
