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Technical tips collected over several decades in IT

PHPSECLIB3 Client Algorithms

Recently our EDI supplier notified that they were changing their SFTP encryption and data integrity algorithms I use https://api.phpseclib.com/3.0/phpseclib3/Net/SFTP.html to talk to their SFTP gateway. So I to confirm the change would not cause an issue I had to...

Run 7-zip from powershell

The performance of both the Windows and Powershell Zip utilities is abysmal The following Powershell script enables a Zip operation on approximately 0.33GB of data consisting of around 59,000 files to go from minutes down to less than a minute using 7-Zip instead of...

So many Email Scams

The internet is a waterhole and we are digital gazellesJames McDonald 2024 Look at the text below of 2 emails I received sent to two of my email aliases from two different From addresses I presume it just requires you to reply to the query and then they send some...

Meraki Open Source Licenses

Until today I assumed that Meraki was built in-house with only closed source software. But having a look at the Meraki-Firmware-Licenses bundle it is clear that like Unifi Cisco is using many Open Source packages to bring together it's offering: Having only just...

VEEAM FAILS

If you have Veeam backup failing with the Updating BCD failed with Cannot update SafeBoot flag and SentinelOne is installed. Try the following from a veeam forum post 29/11/2023 2:35:29 PM :: Processing TGN-HO-DC02 Error: VSSControl: -2147467259 Backup job failed....

Certbot Reload Nginx on cert renewal

https://github.com/toggenation/cert-checker Recently I created a Cert Expiry Checker so I can be notified when my and my clients SSL certs are 27 days from expiry. What is strange is I got notified that a client on Squarespace has an SSL cert within 27 days of expiry...

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