Author archive: ZERIN

IOS Programming
firebase: PERMISSION_DENIED: Missing or insufficient permissions
July 28, 2020
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While Developing IOS App that writes / reads from Firebase, I have found that it was not writing any data in Firebase or can not read data from Firebase, when I saw console, I found a error like “[Firebase/Firestore][I-FST000001] WriteStream (7fea67f13818) Stream error: ‘Permission denied: Missing or insufficient permissions.'” So, then I have gone to […]
Commands Linux CentOS php Server WHM
WHM:: PHP Mail is Not Working-Showing Its Disable
June 24, 2020
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When your mail does not work, one example could be as below: Now Update your php.ini from WHM MultiPHP INI Editor, you can see: disable_functions = mail Modify it with disable_functions = Click Save Restart your APACHE from WHM or command prompt.
Commands Linux CentOS
How to Whitelist IP/ finding if IP is Blacklisted in Linux CentOS
June 18, 2020
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1. How to check if an IP is Blacklisted: If you want to blacklist the IP 123.45.67.89 , then run the below command: $ /scripts/cphulkdblacklist 123.45.67.89 You will see a message that the IP has been blacklisted. ####################################################### 2. How to whitelist an IP that is Black Listed If you want to Whitelist the IP […]
Cleaning Commands Linux CentOS
How To Check for Virus / Malware Script in Server / WordPress Site
May 25, 2020
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Check Recently Modified Files in Server Login to server through SSH, run the below commands to find out which scripts have been uploaded recently $ cd /home/public_html/$ find ./ -type f -mtime -15 (this code checks all files that has been uploaded / modified in last 15 days) $ find /etc -type f -printf ‘%TY-%Tm-%Td […]
Uncategorized
MacOSX: Mojave Saas Install Error Fix
March 30, 2020
0
Building native extensions.  This could take a while… ERROR:  Error installing sass: ERROR: Failed to build gem native extension.     current directory: /Library/Ruby/Gems/2.3.0/gems/ffi-1.12.2/ext/ffi_c /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby -r ./siteconf20200329-26235-12xn9hq.rb extconf.rb mkmf.rb can’t find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/include/ruby.h extconf failed, exit code 1 Gem files will remain installed in /Library/Ruby/Gems/2.3.0/gems/ffi-1.12.2 for inspection. Results logged to /Library/Ruby/Gems/2.3.0/extensions/universal-darwin-18/2.3.0/ffi-1.12.2/gem_make.out
Photography Rule of Space Uncategorized Visual Composition
Composition: Rule of Thirds
March 24, 2020
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Composition = Emphasis = The Key to take Strong Images Description: In photography, the rule of thirds is a type of composition in which an image is divided evenly into thirds, both horizontally and vertically, and the subject of the image is placed at the intersection of those dividing lines, or along one of the […]
Photography Uncategorized
Golden Hours for Photography
March 24, 2020
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For Sunrise Shooting, use AV (Aperture Priority) mode to capture the perfect sunrise, shoot at aperture setting f/11, set ISO 100For Details follow the below guideline that I have found from youtube: For Sunset Shooting – use a fast Shutter speed, expose for the brightest point in your image, make, use grid, to bring golden […]
Camera Features Photography
DSLR Camera + Photography Terms
March 24, 2020
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AV Means – Aperture Priority
Coding Wordpress Wordpress Development Wordpress Theme Development
WordPress Theme Building Tutorial Link
March 22, 2020
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You can learn WordPress theme development from the below URL: This is from Traversy Media. I am posting it because I found it useful to learn, these videos are copyrighted by Traversy Media.
Coding Commands Programmer
How To Install SAAS on Mac
March 21, 2020
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SaaS is very important to generate CSS with variables You can install it on your MAC by typing the below command: brew install sass/sass/sass if you are not using MAC, click the URL https://sass-lang.com/install for details to install it for other OS sudo gem install sass Now, suppose I am working on my WordPress Theme […]

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