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.
1,611
questions
0
votes
0
answers
106
views
PTRACE_PEEKTEXT ptrace: Input/ouput error
I try to read the values from memory with using PTRACE_PEEKDATA.
To find the memory address of specific line I am using with objdump -
objdump --dwarf=decodedline ./exe_filename
and got the output:
...
- 1
4
votes
2
answers
7k
views
MariaDB killed by OOM Killer every couple days
my MariaDB server is being killed every couple days.
× mariadb.service - MariaDB 10.6.12 database server
Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
Active: ...
0
votes
0
answers
469
views
Ubuntu 22.04 LTS consuming high CPU and RAM on HP EliteBook x360 1040 G7
I am experiencing an issue with my HP EliteBook x360 1040 G7 that's running Ubuntu 22.04. For the past few days my PC has been consuming high amounts of CPU and RAM, causing it to overheat and display ...
3
votes
3
answers
874
views
Two conditions in if statment
I'm struggling in if statment
I want the message "The system is highly utilized" pops whenever the memory usage or cpu usage exceeds 70%, now i tried the following 2 conditions in if ...
- 31
0
votes
0
answers
23
views
Ubuntu is very slow on VM
I recently upgraded my RAM from 4GB to 8GB on a 1TB Core i3 HP laptop. The assigned base memory of Motherboard on the VM is 4MB. I just found out that my Ubuntu is now slower than before. Could it be ...
0
votes
0
answers
249
views
Memory intensive process getting killed before swap memory is full
I have a very memory intensive Java program to run, at first it was giving heap out of memory error so I kept in increasing the heap size along with the swap partition (I only have 32 GBs of RAM and I ...
- 101
0
votes
1
answer
186
views
How to monitor cpu and memory usage?
How to write script monitoring cpu and memory usage then prints a warning when usage is 70% (red warning)?
EDIT:
cpuUsage=$(top -bn1 | awk '/Cpu/ { print $2}')
memUsage=$(free -m | awk '/Mem/{print $3}...
- 31
0
votes
0
answers
35
views
Unbuntu 18.04 full disk does not boot
I downloaded a docker file using sudo and the file filled my disk. Obviously I made a mistake. Now ubuntu does not boot. I only have a dark screen with a message saying :
"UBUNTU: clean 3232039/...
- 1
0
votes
1
answer
82
views
ETH Validator problem every cca 24h Out of Memory: Killed process 855 (Nethermind.runn)
I'm new and not so good with Ubuntu linux... :( please for help in this matter
I'm runing ETH Validator on NUC 12th Gen i7 /32GB / m.2 2TB for validator /ssd 500gb for Windows 11 Pro system.... ...
- 1
0
votes
1
answer
219
views
Considerations to upgrade memory RAM with Ubuntu already installed. Correct procedure post-upgrade
I have a HP Pavilion g4-2368la with Ubuntu Desktop 22.04 with 8GB of RAM, now according with the following official specs of HP:
HP Pavilion g4-2368la Notebook PC Product Specifications
The laptop ...
- 1,800
2
votes
1
answer
158
views
macPro1,1 - ubuntu 22.04 only sees ~2GB memory, memtest sees all 8GB
Any tips on what could be wrong?
The machine has 8GB of RAM
memtest runs fine, tests and passes all 8GB
But...
top
htop
free -m
all report 1,9GB ram as system memory
BUT... lshw sees the ram sticks.
...
- 630
0
votes
0
answers
261
views
RAM usage by integrated graphics
I have a ThinkpadP14s gen2 with AMD Ryzen 7 pro 5850u with radeon graphics × 16, 16GB RAM and Ubuntu 22.04 LTS. System monitor detects only 12.4GB of RAM, so i thought it's because of integrated ...
0
votes
0
answers
40
views
Ubuntu 22.04 having reccuring deadlock freezes when working with a huge part of my RAM being in use (kernel 6.0.0 and 6.2.7) [duplicate]
I am working on a Windows-Ubuntu dual boot laptop, mainly using Ubuntu 22.04 for my studies.
In the recent month I was working on a full stack Spring-Boot-Angular web application in IntelliJ and faced ...
1
vote
0
answers
265
views
Ubuntu 22.04 amd64 doesn't detect all my RAM
I have one ChannelA-DIMM0 Micron 4 GB RAM Stick on my notebook. The bios and Windows 10 correctly identifies my ram as being 4096 MB, however Ubuntu only detects 3.7 GB. What could possibly be the ...
- 11
0
votes
0
answers
272
views
How to increase memory due to RAM on Ubuntu 18.04 without BIOS
I want to increase memory due to RAM on Ubuntu 18.04 without BIOS
Without BIOS, since I can’t enter the Advanced BIOS in any way
As far as I know, although I don’t have a discrete video card, but ...
- 11
1
vote
0
answers
1k
views
Ubuntu 22.04 Memory Leak
Over the course of a few days, I see the RAM Memory usage keeps going up and up. For example, I have 32 GB of RAM. System Monitor shows over 27 GB used, but when I look at Processes there is way less ...
- 11
0
votes
1
answer
86
views
Very weird memory use [duplicate]
out of nowhere my ubuntu 22.00 complained that it's memory was full. After some investigation I came across something really, really weird. Potentially worring.
I listed the use of the various dirs in ...
0
votes
1
answer
1k
views
Gnome-shell uses more than 2GB when idle, with gnome calendar found in error logs
I found that whenever I leave my laptop idle for a while (no suspend because of Caffeine)it gets stuck and I need to force reboot the system by the power button. I tried disabling all the startup ...
- 793
0
votes
0
answers
563
views
Ubuntu 20.04 High RAM usage
I have a Linux VM that has 8 GB RAM. This is a screenshot of htop which includes all system information (tasks,services). There's no application using too much RAM when looking at the PIDs, but the ...
- 1
2
votes
0
answers
338
views
Memory Problems with Ubuntu 22.04 after upgrading packages
I upgraded (just packages via apt update && apt upgrade) my ubuntu 22.04 system this morning.
Since then I have problems with the memory. I have 24 GB RAM installed in my HP Notebook. Ubuntu ...
-1
votes
1
answer
175
views
Where is my 800MB of RAM gone? Ubuntu is not detecting all my memory
I am a bit confused about my 800mb out of 2gb ram gone ?
I already test the following command,
sudo dmidecode | grep Size | grep MB
Size: 2048 Mar
free -h
Type
total
used
free
shared
buff/cache
...
- 55
1
vote
0
answers
136
views
Is there memory latency checker for Ubuntu 22.04 on M1 chip?
I installed Ubuntu 22.04 LTS as a virtual machine on my MacBook with an M1 chip. Is there any memory latency checker for it? I tried Intel memory latency checker, but it needs msr-tools which doesn't ...
- 11
1
vote
2
answers
169
views
Ubuntu won't map all physical memory
I have 589 Gb of physical memory but Ubuntu will only map 64Gb. e.g.
free -h -t
total used free shared buff/cache available
Mem: 62Gi 1.0Gi ...
- 11
1
vote
1
answer
477
views
Physical installed RAM is 6GB, but 4GB only is used by Ubuntu 22.04 as well as by Windows 7
My machine has 6GB of physical installed RAM 2x2GB + 2x1GB, but 4GB only is available by Ubuntu 22.04 as well as by Windows 7.
launching dmidecode I can see:
Memory Controller Information
...
Maximum ...
- 31
1
vote
1
answer
223
views
My RAM is recognized but system doesn't use all of it
I've installed 16GB of RAM on my computer. It seems to have issue in free memory and used memory. Please see the picture below.
- 111
0
votes
0
answers
52
views
How to determine what is the reason for force closing applications?
I'm relatively new to ubuntu and I've done a lot of googling and I can't seem to figure out the issue. So hopefully someone here can help me diagnose.
I have a desktop computer running ubuntu (22.04.1 ...
- 1
1
vote
0
answers
690
views
Trying to create a custom RAM-backed Ubuntu Live USB with optional persistence
I've been racking my brain trying to figure out the best way to do this. It might sound a bit confusing, so let me explain the "why" first.
I already have a Linux live USB stick (on a high-...
- 111
-1
votes
1
answer
2k
views
Why does the sum of my processes RAM usage not match the total? [duplicate]
When I look in gnome system monitor after a fresh boot, it says I am using 2.1 gb of RAM.
When I go into the processes tab, and sum the memory usage of all of the processes, it only totals to about ...
- 780
0
votes
1
answer
213
views
how to clear crontab ubuntu cache memory
I started my server and configured the server without cPanel or direct admin.
And to run queues in Laravel, I need to run cron, so I wrote the desired command in cron and everything works fine.
Until ...
- 11
2
votes
1
answer
488
views
OOM keeps killing VirtualBox
For the past few weeks I've had a serious problem. The Out Of Memory killer of my Ubuntu host keeps killing my VirtualBox session (a Win10 instance). I've assigned only 3Gb to Win10 and there's 16Gb ...
- 948
0
votes
0
answers
86
views
RAM not detected correctly
I just installed Ubuntu 22.10 in my laptop with 8 GB of RAM. I was doing some tests to test the performance of the pc when I notice that Ubuntu see only 6.7 GB instead of 8, and I don't understand why....
0
votes
0
answers
2k
views
Boot errors (error: out of memory)
I’m trying to go back to Linux from windows after some viruses. I was able to download and use the live cd of Ubuntu with no problems (a few messages popped up, but I got no errors once up and running)...
- 1
5
votes
2
answers
12k
views
Ubuntu 22.04.1 LTS freezes few times per hour and very unstable
Title shows the problem.Brand-new install. I selected minimal install because I don't need libre office. I only installed gpart, testdisk, edge beta, htop and discord.
Fresh install nothing installed ...
- 73
1
vote
0
answers
174
views
18.04.6 LTS 5.4.0-132 kernel reserving 30GB memory
I recently upgraded my kernel version from 5.4.0-131 to 5.4.0-132. I noticed some lagging behavior after this upgrade, and when I checked my memory usage with free -h, it was reporting a total of 2.2G....
- 11
0
votes
0
answers
117
views
System with 1.25 TB memory OS only seeing 1.00 TB ram
I have a System with 1.25 TB of ram the Mother board sees it , lshw see's it , but only 1.0 TB is useable, Is there a kernel Parameter I need to recognize more memory ?
It is an Asus Mother board ...
8
votes
2
answers
4k
views
High memory usage that cannot be traced to a service or application
In Ubuntu 22.04 I am experiencing a strange issue with memory. I can't seem to find out why my memory usage is as high as it is. When I boot my laptop memory usage is as expected, but over time ...
- 1,137
0
votes
1
answer
50
views
How do I interpret the +1 offset in free -m on Linux terminal console?
Well, I made a mistake with my first post of this question and I'm pretty sure that I've figured this problem out; however, I love to get feedback from other programmers who may have more direct ...
0
votes
0
answers
2k
views
Enable 1GB Huge Pages on ubuntu 20.04 failed using `echo 1 > /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages`
I try to enable 1GB Huge Pages on Ubuntu Desktop 20.04 using echo 1 > /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages with the root user account, but I can't write to /sys/kernel/mm/...
- 1
0
votes
0
answers
308
views
faster tmpfs with large page size
I'm trying to use some sort of ramdisk using tmpfs on a system with about 1TB of system memory.
However, there is a problem that the speed of reading and writing files to memory is less than 100MB/s, ...
- 1
0
votes
0
answers
534
views
Virtual Machine doesn't use all RAM allocated to it
I am running Ubuntu 20.04 64bit on oracle virtual machine. I am trying to run a physical simulation and I need a lot of RAM for that. I allocated the virtual machine 8GB RAM at the beginning (the host ...
- 11
0
votes
0
answers
31
views
Instalation of Ubuntu in Virutal box 6.0 memory error
I have been using Ubuntu for some time. I am trying to install Ubuntu Virtual box. During installation I am getting an error that you din't have enough memory. I am not sure why I am getting this ...
2
votes
1
answer
1k
views
Quesions about upgrading my RAM to 16 GB [closed]
So I have a HP 15 Notebook something, and apparently I only have 8 GB of RAM, I need to upgrade to 16 GB but something weird is happeing, when I run free command, it shows me this
$ free -h --si
...
0
votes
2
answers
110
views
Is there any way to use more of the swap file?
I have an old computer and it has 4GB of RAM and I want to test minecraft for research purposes and it freezes. I have a mod to speed up the game but i'm not sure if its using more ram or not, the ...
- 3
12
votes
1
answer
2k
views
How to block Ubuntu from using certain memory area?
1. I have a laptop that has thousands of memory errors, making it impossible to even install ubuntu, there is always an error during installation.I was able to run a 4 pass memtest. which provided ...
- 129
-5
votes
2
answers
1k
views
In principle I know what GNOME shell is. Can I delete multiple instances of it?
Preface
This question regards Gnome [1]. Before proceeding any further, the reader should understand what Gnome is. One answer to this question, which is posted below by Henning Kockerbeck, suggest ...
- 129
1
vote
1
answer
106
views
> 3GB RAM not accessible, unclear if PAE related
I have an old mini-PC (Acer R3610 Revo) that I've repurposed as a general server (docker containers mostly). It has 4GB of physical RAM installed (specs and BIOS show it) but only ~3GB is accessible ...
- 21
4
votes
2
answers
1k
views
Difference between memory usage outputs via 'neofetch' and 'free -m'
I wanted to write a script to check my RAM usage at regular intervals and then calculate its maximum.
To calculate the used Memory, I had two options, via neofetch or free -m
The output of $ free -m ...
- 165
0
votes
1
answer
1k
views
Can I disable one slot of RAM? [duplicate]
My laptop has onboard 4 GB DDR4 RAM and one normal. The onboard RAM is faulty and causes a lot of problems.
My question is, can I disable the onboard RAM and make my system use only the other one?
10
votes
1
answer
835
views
Is there a utility like baobab, but for memory/RAM?
baobab / "Gnome Disk Usage Analyzer" is my favorite way to visualize disk usage -- I'm not sure what the type of graph this is, but it makes sense to me -- diving deep into folders gets more ...
- 289
0
votes
0
answers
265
views
Is ubuntu 20.04 server ram usage less than desktop
if I installed Ubuntu 20.04 server on an old computer with lxde desktop is the ram usage less than ubuntu 20.04 desktop ?
Can you tell me how much ram it will use ?
Sorry if my English is not good
...
- 284