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Database Administrator / Software Engineer

Over 20 years of experience as an Application Architect/Developer, a Database Administrator, and a PM focusing on performance.

Troubleshooting Question

How is pagination done in Python?

3
The developers at my job code in Python and looks like the pagination in the projects is very slow.

I …
Troubleshooting Question

add more domain to certbot

9
how to add more domain to existing certbot on ubuntu.
i have a certificate for domain domain1.com and …
Troubleshooting Question

Kali Linux Nikto Results - OSVDB-630 Resolution

2
+ OSVDB-630: GET The web server may reveal its internal or real IP in the Location header via a
Troubleshooting Question

Disabling RM command

11
Hi, I have a Linux server running on CentOS 7. By default I need disabled using RM command for all …
Troubleshooting Question

Serving LinOTP (MFA Solution) over a Different Port than 443 - Unable to Authenticate after Port Change

3
I would like to serve LinOTP on a port different the 443. The port I've chosen is 8458. I was able …
Troubleshooting Question

Problem with custom domain to apache

byGas
3
I create a VM on azure with apache and i created a custom domain and a subdomain and add  records to …
Troubleshooting Question

SSL on ubuntu VM

byGas
3
I create a VM on AZURE with Ubuntu (apatche) and I would like to add an SSL.

How to do this ? I am …
Troubleshooting Question

Prevent Slack channel participants from communicating with people outside of private channel?

2
I am a free Slack user and have created a private channel in Slack within my workspace where I would …
Troubleshooting Question

KVM wireless bridge for guest vm not working

Hardware: Asus Tuf A17 Laptop
Host: Ubuntu 20.04

KVM wireless bridge for guest Ubuntu 18.04 vm not …
Troubleshooting Question

Unable to get PCIe to SATA expansion card working with Proxmox (Debian)

bytroald
4
Hi,

I am trying to get this PCIe SATA expansion card working with Proxmox (Debian):

ST Lab PCIe SATA

Research Question

Mention your favorite low volume Mail Relay Service alternative to MailGun + SendGrid

2
Normally for all my projects, I setup an in-house custom MTA.

Sometimes a project will simply require …
Troubleshooting Question

virtualization question

6
I have a hosting provider (they gave some virtual server), then i have a xenserver install in
Troubleshooting Question

Need to shut down Linux VM and move it to another Server in Hyper-V

byE=mc2
2
I need to shut down a Linux VM one one host server running Hyper-V (Windows Server 2012R2) to …
Troubleshooting Question

Cannot install packages on Oracle Linux 8

7
Hi there,

I have already configured the proxy for one of our Oracle Linux 8 servers, but every time I …
Troubleshooting Question

Mailman web GUI 443

1
Please help, I'm new to this, someone setup a mailman list server with Linux, let's say IP is …
Troubleshooting Question

Upgrade from Ubunutu 18.10 to Ubuntu 20.10?

6
Hi,

How do I upgrade from Ubuntu 18.10 Desktop to Ubuntu 20.10 Desktop?

Thanks,

Ward.


Troubleshooting Question

Best method to call another script after a program finishes successfully

5
I am an Oracle DBA that has databases sitting on a Linux VM (RHEL 7).  I have been tasked to copy …
Troubleshooting Question

How to stop NFS4 option in fstab from using port 111

3
debian buster on nfs client and server

I have a NFS4 server behind a firewall with only port 2049 …
Opinion Question

Seeking for help to improve IO performance of LVM Thin XFS volumes over multiple 2xHDD RAID0 arrays

5
Hey guys,

we are looking to discover new configuration options or even whole new architecture or File …

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