MacOS X – Managing Gatekeeper (Terminal)

Gatekeeper is a feature available on MacOS X systems to block, by default, any application that is not installed from the Apple Store, for security reasons (all apps on Apple Store are validated and certified by the original developers). Let’s see how to manage this feature on MacOS X systems by accessing to it using command line (using Terminal). Read More …

Sharepoint – Unlock and Delete a locked Library

Sometimes, some of the libraries and lists in SharePoint, both online and on-premises, might get locked for deletion, meaning you cannot delete them by any means, this is particularly through for Record libraries. Let’s see how to unlock and/or delete a locked library on a Sharepoint site. Read More …

Powershell – How to use Transcripts to keep history of commands and output

The primary tool for logging Powershell activity has been the Start-Transcript cmdlet. Simply enter this cmdlet followed by a path and filename for the log file that you want to create. PowerShell will populate the log file with every subsequent command that is entered. Read More …

Nginx – Enable HTTP/2

Hypertext Transfer Protocol Version 2 (HTTP/2) is the latest version of the HTTP protocol, published as an IETF standard in RFC 7540 in 2015. The focus of the protocol is on performance; specifically, end-user perceived latency, network and server resource usage. Read More …

CentOS / RHEL 7 / Debian – Disable IPv6

If network troubleshooting leads you to believe there’s an issue with IPv6, you may need to shut down that protocol on your Linux machines. Since some hardware doesn’t take advantage of IPv6 (and most admins are still working with IPv4), a temporary and easy solution is to disable IPv6. Read More …