How to install Kali Linux using VirtualBox on Ubuntu
Herewith the steps I followed to install Kali Linux on Ubuntu using Virtual Box. The process is quite easy, but you must also enable USB devices to allow access to …
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How to fix to the ‘could not get lock’ error in Ubuntu
This post will show you how to fix the “could not get lock” or “unable to lock” error in Ubuntu. Here is an example of this error when Ubuntu could …
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Solved: cannot lock /etc/passwd; try again later
I encountered a “cannot lock /etc/passwd; try again later” issue whilst trying to create a new user on my Ubuntu 18.x server. The root cause eludes me, but I did find …
Read MoreHow to install EFS using EFS-Helper on RHEL using the AWS user data field
This post will show you how to install EFS using EFS-Helper on RHEL using the AWS user data field. In case you don’t know, you can pass user data to …
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Solved: PKIX path building failed
I often experience a “PKIX path building failed” issue with the applications I use. The error message is always something like this: Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: …
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How to run PHP code on Windows (No Apache!)
You can run PHP scripts on Windows without needing to install an entire WAMP stack. What is WAMP? WAMP stands for Window, Apache, MySQL and PHP. WAMP is a variation …
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