Categories
Mastering Development System & Network

Default Sender for Exim Smarthost Multiple domains and credentials Mailgun

The post below pretty much has the answer I need. But I need to modify the answer by @supamic so that if the domain isn’t found in the exim_smarthosts file that it uses a default set of credentials. Exim Smarthost Multiple domains and credentials Mailgun I think I need to somehow do a lookup on […]

Categories
Mastering Development System & Network

“Access Denied” when trying to access AWS Lightsail database

I’m trying to connect to my AWS Lightsail database instance with Navicat Premium 15.0.21 (newest available version at the time of posting). My database is in public mode. I copied and pasted the endpoint, username, and password straight into Navicat; Port 3306. Lightsail reports the database as "Available." These settings have not changed for over […]

Categories
Mastering Development System & Network

Novice Linux Networking – Why does assigning my computer a static IP down my NIC?

I’m using debian 10 on a Surface Pro 6. I’m simply trying to assign a static IP to my computer by adding lines to /etc/network/interfaces. I’m practically copying and pasting from the man page. I also reserved the ip address on my router for it. However, after I reboot my NIC’s state is DOWN. Why […]

Categories
Mastering Development System & Network

NFTables: is it possible to forward traffic without masquerading it?

I have a remote server that forwards certain incoming traffic to another port of a different server. With "masquerade" I only see traffic coming from the forward server, is it possible to see traffic coming from the original sources? If I replace "masquerade" with "accept" I can’t reach anymore port 8080 of destination. # table […]

Categories
Mastering Development System & Network

ESXi 6.0 Consolidation

I had a snapshot that had eaten the free space in a datastore. I deleted the snapshot and now the snapshot manager is empty but I see delta disks and disks such as -0002.vmdk,… -0005.vmdk etc are still in the datastore. I made consolidation (as it recommends in such cases) but get an error Consolidation […]

Categories
Mastering Development System & Network

Second subdomain ignores DirectoryIndex and uses default domain index file

I’m running an apache2 web server that came pre-installed on debian. Apache configuration hosts file is: <VirtualHost *:80> ServerName domain.com ServerAlias www.domain.com DocumentRoot /var/www/html ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/error.log combined </VirtualHost> <VirtualHost *:80> ServerName sub1.domain.com ServerAlias www.sub1.domain.com DocumentRoot /var/www/sub1/public_html DirectoryIndex sub1.php ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/error.log combined </VirtualHost> <VirtualHost *:80> ServerName sub2.domain.com ServerAlias www.sub2.domain.com DocumentRoot /var/www/sub2/public_html DirectoryIndex […]

Categories
Mastering Development System & Network

mdadm RAID 10 filesystem corruption — recoverable?

PROBLEM: I had a degraded disk in my RAID 10 array which I created using mdadm. I first removed the disk, replaced it with a new one, but when I rebuilt, I got an error saying it couldn’t detect the file system of the disk. I realized with fdisk that the disk label was dos(/dev/sdc), […]

Categories
Mastering Development System & Network

Tengo un problema con mi vps y mysql que consume el 100% del procesador

La cuestion es la siguiente, yo en mi vps estaba todo normal, pero ya necesitaba expandirlo y pues me puse en marcha, expandi el servidor de 16gb>32gb de ram, y cuando ya estaba todo listo noto que el server me dava error de que no repondia, el error ya lo detecte, resulta que si me […]

Categories
Mastering Development System & Network

Mac – Thunderbolt eGPU + PCIe SAS card for LTO tape drive (SAS card compatibility)

I’m looking for open minded person who can answer my unusual question that might defy logic at first glance but might be valid. Recently I got need for reading LTO tapes that act as archive. I would like have LTO drive next to my apple laptop without need to run noisy server or doing RDC […]

Categories
Mastering Development System & Network

Windows 10 computer won’t update

My PC (Windows 10 2004) will happily install all updates provided via the company WSUS. But (in contrast to all other company client PCs) it fails to instal updates from Microsoft directly. It keeps saying that "important security and quality fixes are missing" (which is the reason why I wanted to check directly with MS […]