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Questions tagged [ram]

Random-access memory (RAM) is a form of computer data storage. Today, it takes the form of integrated circuits that allow stored data to be accessed in any order with a worst case performance of constant time.

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3,512 MB RAM was detected. 8,192 MB RAM is recommended

I'm trying to install nexpose vulnerability scan. But the installer return me the next message: 3,512 MB RAM was detected. 8,192 MB RAM is recommended. Needless to say that I have more than 8 gb of ...
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Laptop doesn't utilize the full of it's ram after installing xubuntu

I just replaced Windows on my laptop with Xubuntu and, after that, when I start working, there are some performance issues. It seems that the RAM is not fully utilized. It has 8GB installed but only ...
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modifier keys stopped working on laptop keyboard after ram install [20.04.4 lts]

apologies for any malformed sentences. not used to not having ctrl/shift/alt. used to using ctrl-a to restart sentences... basically, i got new ram added to my laptop [medion erazer], and while the ...
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1 answer
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memory usage is wrong and diagree between gnome-system-monitor and htop (22.04)

I'm having a RAM problem where my RAM is full but there's nothing consuming al of it. The sudo htop commands shows my real memory usage, while sudo gnome-system-monitor shows the memory full. It ...
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How can I move the /tmp folder to a different location [closed]

My dev/loop0 keeps reaching 100% on my CentOS server because of the /temp folder that keeps filling over again quite fast when cleaned. This has been frustrating users with 'no free space error, err28)...
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Running out of ram on 22.04 [duplicate]

On my Dell XPS 9310 w/ 16GB ram, i'm constantly running out of RAM. Been having the issue with 20.04, and now 22.04. On a fresh boot, its only using ~10-20% with just a terminal open. No startup ...
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Memory drops from 32 GB to 16 GB after freezing and restarting

My Ubuntu 20.04 OS has 4x8GB DDR3 RAM that's worked fine since 2013. Recently it froze. After restarting "Settings > About" showed 16 GB. I switched the memory sticks in slots A0 & A1,...
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changes RAM FROM 4gb 8GB

I Have only 1 slot of RAM card on my ideapad-320 and changed it from 4GB to 8GB but my OS still showing 4GB, tried to check it as well with sudo lshw -c memory maybe my OS still using only 4GB ? ...
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Ubuntu 22.04 on Hyper-V: missing RAM

I'm running Ubuntu servers on Hyper-V (W10 and 2019) and have assigned them static memory, say 1GiB. Hyper-V Manager confirms that and the host actually uses 1GiB of RAM. But inside the Ubuntu VM free ...
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How to clean up Ubuntu 22.04 active services that are not needed when used as a virtual machine and only for light predominantly non-GUI usage?

I'm using Ubuntu 22.04 in a relatively light fashion. My use case is in a virtual machine that runs all of the time, but very occasionally I need to use the graphical user interface. I did this on ...
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1 answer
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How can i change the size of the LVM by taking space from sd3

i changed the size of the Partitoins and i gave all the free space to the sda3 partition because the lvm that I am using is located in the sda3 but the problem is that sda3 is not giving the lvm any ...
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Booting to USB Installation Failed - Ubuntu 22.04

I want to freshly install Ubuntu 22.04 using a USB created with Rufus, when booting to the USB I get the error out of memory, I tried to play a bit with the GRUB settings and boot manually but I still ...
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Could having too many programs running crash my Ubuntu laptop?

I just experienced a weird crash with my Ubuntu laptop where I had more than I normally do open (Teams web app, discord, edge, Thunderbird). After a little bit I noticed my performance deteriorated ...
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Installed 64 GB of RAM. Ubuntu 20.04 recognizes and works only with 16 GB

Previously, my ASROCK 970 Pro3 R2.0 motherboard had two DDR3-1333 memory modules with a supply voltage of 1.5 volts of 4GB each, so 8 GB worked. Instead, I installed four Crucial CT204864BD160B ...
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1 vote
1 answer
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RAM and Swap memory not freed after python calculation?

I have Ubuntu 21.04 and I started to have a particular issue some time ago. I have python programs I run regularly, sometimes re-running the same thing without any differences. But since some time, my ...
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Ubuntu 22.04 on Raspberry pi 4B not using total RAM [duplicate]

I have installed Ubuntu 22.04 on my Raspberry Pi 4B (8GB, ARM64), but it runs slow and often lags even though I only opened a few things like the file explorer, terminal and Chromium browser. When I ...
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how to extend gpu and cpu from physical drive like swapfile

starting from this answer https://askubuntu.com/a/1229795/966305 I have a machine running ubuntu lts whenever I run any program that is GPU comsumer like chrome or blender everything stops working {I ...
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15 votes
3 answers
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How does Ubuntu handle addition of RAM?

I'm thinking of upgrading my laptop memory from 8gb ram to 16gb but I first would like to research how Ubuntu will handle it. I already know that my laptop definitely supports adding more ram. If I ...
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-1 votes
1 answer
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Does Ubuntu has memory leaks?

I have a 12GB RAM system, and I find that usually it has a lot of memory consumption without any program other than nautilus or gedit opened. If I do an htop and see which processes are running (...
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Xubuntu 20.04 - Not all RAM is being registered?

I have 16gb (2x8gb) of Kingston DDR4 2666mhz installed but only 14gb is being detected. (see screenshot below) Screenshot of memory info I have an AMD cpu (Ryzen 5 3500U with Radeon Vega Mobile Gfx) - ...
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How to select Regolith Linux for less RAM usage

My computer has 8 GB of RAM. I am using Xubuntu 21.10, it is fast but it has no auto tiling. In my daily work, I mostly use LibreOffice Calc for calculation with complicated sheets and open many ...
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1 vote
1 answer
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Limiting RAM usage with prlimit

I need to run a program not written by me (i.e. BLAST) on linux (Ubuntu 20.04.3 LTS), and I need to set the limit for RAM usage for this specific case, since I am working on a shared cpu. Also, I ...
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Following R error happened : caught bus error, address 0x7f..., cause non-existent physical address

Test environment : uname -r 5.4.0-107-generic lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.5 LTS Release: 18.04 Codename: bionic I run the R ...
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dmidecode showing Memory Module Voltage: 3.3 V for DDR3 RAM

I see $ sudo dmidecode -t 17 ... Memory Module Voltage: 3.3 V ... Type: DDR3 Type Detail: Synchronous Unbuffered (Unregistered) Speed: 1600 MT/s Manufacturer: Samsung Asset ...
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Browsers (Chrome, FF) slow the computer so far it is frozen. Ubuntu 20.04, Dell

I have to reboot Chrome (or FireFox) every day or two because it slows down to so much of a crawl it seems frozen. If I notice it when it is just a little slow I can kill the chrome (killall chrome -9)...
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1 vote
1 answer
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Troubleshooting Regular Crashes (Chrome, Slack, more)

My desktop is running Ubuntu 20.04. I've been noticing a lot of odd behavior over the last few months (at least) and I'm trying to figure out how to troubleshoot it. The system has 32 GB of ram, AMD ...
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I get error message "MEMORY SIZE REDUCED" occasionally at boot time - NOT every time. What to do?

So far, simply restarting gets rid of this. Ubuntu 18.04, Gnome Metacity, Ubuntu 18.04.6 LTS 7.7 GiB in "About This Computer" I think it's got 8 Gig installed.
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0 votes
1 answer
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Extremely large "VIRT" memory usage reported by `top`

On Ubuntu 20.04.4 LTS, on a machine which is a few years old. The attached screenshot of the output of top strikes me as really odd: I have a regular PC (nothing fancy) with 16 gigs of ram and no ...
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1 answer
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0 Swap Used Although Swappiness is 60

I have the Vitals GNOME Extension, and I also have my swappines value (in /etc/sysctl.conf) at the default: 60. I clicked on the Vitals extension and I looked in the Memory section, and it says 0.00 ...
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Process Address Space not starting at 0x0?

On a 64-Bit system, we have 48-Bit addresses, which gives us 256 TiB of address space. The lower 128 TiB (address 0x000000000000 ... 0x7FFFFFFFFFFF) is for the process, the upper 128 TiB (address ...
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1 vote
1 answer
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How do I check RAM manufacturer? [duplicate]

I just brought a new 8GB 3200 MHz RAM of SAMSUNG. But I want to confirm that it is real Samsung RAM or fake. Please tell me how do i check it from terminal. Note : My laptop has two RAM slot of 8GB ...
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5 votes
2 answers
561 views

gnome-software Uses More Memory than gnome-shell

I am using Ubuntu 20.04 LTS. After looking at the activity monitor, I realized that gnome-software uses more memory than the gnome-shell itself, and I don't even have the GNOME Appstore running! The ...
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How to load and boot a physical installation of Ubuntu inside the RAM memory

Is there a method /script to load / boot / convert a physical installation of Ubuntu and load everything inside the RAM memory of the PC ? I've already installed Ubuntu,I don't need to do this. I need ...
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2 votes
0 answers
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ubuntu shows 27 gb ram out of 32 gb

free -m total used free shared buff/cache available Mem: 27923 12347 6956 55 8620 14922 Swap: 0 0 ...
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2 answers
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Mismatch in maximum ram supported by OEM(16GB) and dmidecode output(32GB). Which is right?

I want to upgrade my laptop ram to 32GB but manufacture manual says only 16GB is supported. Laptop: HP 15-ay503tx Motherboard: HP 81EC (Version: 61.30) Processor: Intel® Core™ i5-6200U (2.3 GHz, up to ...
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avaliable memory + used memory is less than total memory

ive noticed a strange behavior that the computer crashes when the usage is slightly bigger than 3000mb. and the swap is used even before reaching the 3000mb as if the computer just had it. thats the ...
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3 answers
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Understanding memory usage in Ubuntu - after upgrading to Ubuntu 21.10 from 20.04 my memory usage increased dramatically

After reading a lot of different articles on the Internet I'm still confused about how to find exactly what is using my memory. After upgrading to Ubuntu Server 21.10 from 20.04 my memory usage ...
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Is large swap appropriate for infrequent, high memory task?

Hypothetical: I have a workstation with 32 GB RAM which is perfectly fine for most tasks. However, I rarely (1-2 times/year) need to perform a task that is very, very memory intensive (i.e. 150 GB ...
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2 votes
1 answer
410 views

What does this lshw output mean?

I am trying to figure out how many ram slots I have so I can buy a new ram for my laptop. I ran sudo lshw -C memory -short And this is its ouput H/W path Device Class Description ...
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2 votes
2 answers
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Why does system monitor show slightly MORE memory than I have?

The screenshot says it all. The RAM sticks report 16GB each, but System monitor shows 33.5GBs. This is an ASUS ROG Strix laptop from 3 years ago, but I only noticed now: On the other hand, "...
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3 votes
0 answers
55 views

Ubuntu does not detect new RAM but BIOS does

I currently want to increase the RAM of my desktop. I bought 8Gb, which appears on BIOS but does not appear in Ubuntu. I have tried changing the slots and ubuntu does not find the new one. Also the ...
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0 votes
1 answer
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4 Gb on a Dell Latitude e6530 Xubuntu 20.04 OK or better to have 12 or 16?

I don't code, game or do anything more resource intensive than watching videos online. Otherwise it's email, desktop publishing, Photoshop, Office, Telegram, Zoom (when I get it installed). A friend ...
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Parallel Running Problem for PETSc

I have Ubuntu 20.04.3 LTS as a guest machine. I installed SU2 v7.2.1. I have no problem at serial running. I can parallel run some tutorials (for example with: mpirun -np 6 SU2_CFD example.cfg). ...
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1 vote
1 answer
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Should the Swap be this large?

My computer is a bit old and sometimes it struggles to handle many tabs running small processes etc. I guess this has to do with the ram. When I check the usage, this is what I get: free -lhm ...
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Can I differentiate different RDIMM models electronically?

I bought 128GB of Hynix RDIMMs off ebay. The (slightly lifted) label indicates that they are (as advertised) Hynix model HMT84GR7AMR4A-H9, which is 1333 MHz registered RAM. However, lswh -C memory ...
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RAM needed when using Ubuntu from USB? [duplicate]

Silly question, but do i need RAM, when im planning to use Ubuntu from USB stick?
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1 answer
58 views

RAM in Ubuntu vs Other OS [closed]

My brother has a Thinkpad Lenovo X220s (Quad Core i5 and 8gb RAM) and it was super slow and laggy running windows 7. So I decided to put Ubuntu on it for him and ever since then it has been running ...
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1 vote
0 answers
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R processes stuck in memory from last Jupyter in VS Code session

I have noticed that I often will have multiple R processes still running, and occupying a significant amount of RAM, even if I closed all applications that I use for R. For the most part I use VS Code ...
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GitHub Runner taking 2x physical RAM - what's the fix?

I've had 4x crashes now of AWS ERP servers due to memory apparently maxing out and the system essentially dying with 100% CPU and no [little] available RAM. Ubuntu 18.04.5 LTS (GNU/Linux 5.4.0-1060-...
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Is it possible to tell ubuntu to use only one memory chip, if the computer has two?

As per the title. I have had curious problems on my computer since I bought a new RAM chip, and this left me wondering if the RAM chip is to blame. To test it, I'd like to configure ubuntu to use only ...
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