Mac Pro 2009 8-core not detecting a single RAM memory stick

I’m a video editor working in a small team.

My workstation is a Mac Pro 2009 8-core 2.66 GHz 24GB RAM (Mojave 10.14.6). 24GB RAM used to be enough time ago before we updated Premiere and After effects. Now, the RAM it’s not enough and the MAC happens to freeze and crash at once per week.
My co-worker and me thought about expanding the RAM. We have an unused Mac Pro 2012 wich uses the same RAM specs but it’s 2x8GB. We tried filling the two empty slots in the 2009 machine but Mac deactivated one 4GB stick and another 8GB stick, resulting with 28GB total. We moved the 8GB sticks back to the other Mac and re-arranged the original RAM sticks until the red LEDs were no longer active.

The result: Now, it only detects 5 out of 6 memory sticks, wich is equal to 20GB RAM.
What is going wrong? If the LED is not on, it means it is detected and in the correct place, but it’s not being detected.

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Changing the RAM of lenovo workstaion from 8GB stick to 32GB

I have Lenevo P700
It supports this memory . This is ram which is currently inside

https://postimg.cc/Ny2WQR8w

THis is what i find from google it supports 32GB
https://www.compuram.biz/memory/lenovo/desktop-workstation/thinkstation/p-series/p700/32gb-4x70g78059-x678c.htm

I want to buy this and not sure if its same or not
https://forums.whirlpool.net.au/go?https%3A%2F%2Fwww.ebay.com.au%2Fitm%2FSKHYNIX-32GB-PC4-2133P-DDR4-17000-2133MHz-2DRx4-HMA84GL7MMR4N-TF-Dell-HP-RAM-MEM%2F333707469827

Also is it possible that i can buy single stick to test if it works or i have to buy 2 sticks together in pair to make it work ? i want o buy 8 4 sticks

filesystem – Plugged USB stick into Macbook and all data was wiped

I plugged a 32GB usb stick into a 2019 macbook pro and all data was automatically and immediately removed. OSX shows no data on the stick. There used to be data on the stick.

I went back to my linux box and checked. Sure enough, OSX had done something to the filesystem so it was empty and then it created the normal hidden files (.fseventsd, .Spotlight-V100).

On linux, I started a file recovery tool to get my data back and that worked fine but I lost the file names.

What I’d like to know is wtf did OSX do to my drive and how to reverse it? This also happened once before a long time ago with a 1TB ntfs external hdd that I forgot about so I’m sure this is a common problem.

Here is the flashdrive filsystem info after OSX changed it:

sudo file -s /dev/sdh /dev/sdh: DOS/MBR boot sector MS-MBR XP english at offset 0x12c “Invalid partition table” at offset 0x144 “Error loading operating system” at offset 0x163 “Missing operating system”, disk signature 0x6f55f075; partition 1 : ID=0xc, start-CHS (0x0,63,1), end-CHS (0x270,96,1), startsector 8064, 60559488 sectors
FAT32

Before, it was probably something like this (different usb flashdrive):

sudo file -s /dev/sdi
/dev/sdi: DOS/MBR boot sector; partition 1 : ID=0xb, start-CHS (0x3ff,254,63), end-CHS
(0x3ff,254,63), startsector 2, 121065982 sectors, extended partition table (last)
FAT32 (LBA)

Looks like the filesystems are slightly different now.

Can any Linux people tell me if there is a simple fsck command I can run to just repair the filesystem on the stick (and get the file names/dir structure back)? I know all the data is still there after running a recovery util. I’m not too familiar with filesystem implementation details.

Double Vary headers in Nginx, how to stick to a single header as Instagram?

Well, I was looking at the Instagram website’s network tab and I noticed that it has a Vary header with 3 values, something that made me think about my website’s network tab.

In the network tab of my website, there are two Vary headers, but I would like to have only one, just like on Instagram, this seems to be more professional.

I looked at my code and found it a bit complicated, I don’t know what to do to get where I want..

Please see my server code and tell me if there is a possibility to do it like on Instagram?

Server Code

map $http_accept_language $language_by_header {
    ~en.*pt(*SKIP)(*F)|pt  pt; # when "pt" substring present and not preceded with "en"
    ~pt.*en(*SKIP)(*F)|en  en; # when "en" substring present and not preceded with "pt"
    default                en; # or use "pt" if you want the Portuguese to be default
}

map $cookie_language $used_language {
    pt                     pt;
    en                     en;
    # detect language from "Accept-Language" header when no "language" cookie present
    default                $language_by_header;
}

server {

    root /var/www/example.com/html/$used_language;
    try_files $uri $uri/ @extensionless-php;
    index index.php



    server_name example.com www.example.com;

    charset utf-8;

    error_page 403 http://example.com/forbidden.html;
    error_page 404 =301 http://example.com/404.html;


    #It is used for cache policy
    location ~* .(?:ico|css|js|gif|jpe?g|png|webp)$ {
        expires 365d;
        add_header Vary Accept-Encoding;
        access_log off;
    }


    location ~ .php$ {
        root /var/www/example.com/html/$used_language;
        add_header Vary "Accept-Language";
        add_header Strict-Transport-Security "max-age=31536000" always;
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php7.4-fpm.sock;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        internal;
    }

Instagram Network Tab

My Website

Can I boot from a USB stick containing MacOS if there is an issue with MacintoshHD?

Yes. Mac hardware is designed to boot from an external OS whether it’s an external drive, cheap commodity USB Flash thumb drive, network boot, internet recovery or direct attached disks. The startup manager governs which item is selected and you can connect the OS after you power on the Mac.

It even will search for a bootable drive if the last one stored in Non Volatile Ram (NVRAM) isn’t detected.

In your specific case, you would need to look at the startup logs for the OS to determine the issue or bring another OS to bear to rule out the first OS or drive you’re using. On slow USB media it can take dozens of minutes to boot, but on fast external media, it should be minutes tops.

No Fluent: Is it possible to use Sketch and AnimaApp to generate React code, convert it to TypeScript, and stick it into SPFx?

Is it possible to use Sketch and AnimaApp to generate React code, convert it to TypeScript, and stick it into SPFx?

AnimaApp generates html/css/jsx with zero dependencies. What would be the problems, if any?

I’d prefer not using Fluent at all. There must be a way to efficiently edit the vanilla react code generated by Anima.

Is it time-consuming to convert typescript into something usable by SPFx using Sharepoint interface and context hooks? Aren’t there simple rules we can apply to any code to make it work in SPFx?

I’m not sure where to start. My team wants to save time and doubts that the code from Anima can work without extensive work using contextual hooks, but I’d really prefer not using Fluent at all. Are the contextual hooks not a lot of work to integrate or use?

Thanks.

file system – Which filesystem should I use on my USB stick to have interoperability with Android and Windows?

I wish to use a USB stick with both my Android device and my Windows 10 PC.

My requirements are:

  • No file size limitation
  • No root required on the Android device
  • The filesystem should be natively supported by the Android device

My Android device is a Samsung Galaxy S10. I would like a solution that would work with all modern Android devices, but I don’t mind if I’m limited to the Samsung.

Which filesystem should I use?

malware – How can I find out if a unwanted file I got on my USB Stick in the university lab is harmful? What do do now?

It’s a Windows program, it won’t magically execute on Ubuntu. And don’t bother informing the administrator at the university, most client-facing computers on universities are either locked down hard, or heavily infected.

You don’t need to worry about your Ubuntu machine. Unless you have wine installed, and ran that executable by hand, it cannot damage your computer. But you’d better copy your files elsewhere, delete everything from that USB drive, and copying the files back. Not to protect you, but to protect any Windows computer you plug that USB drive later.