Questions tagged [free]

free is a command to view various memory stats.

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Ubuntu Server doesn't use all of its RAM

I've installed Ubuntu Server on an HP Proliant with 192GB RAM. When I run some programs the system gets very slow. free shows that the system is not using all of the available memory. What can I do to ...
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45 views

Difference between free and available RAM

What is the difference between free and avaible RAM when I use the command free -m? If I have several virtual machines running on my host it shows me that I have just 200MB free and 3.8GB available.
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VMWare: File system is critically low on free space and VMWARE Player paused because disk is too full

I'm receiving this error message when I start up my VMWare Player. I think I have enough free space - would appreciate help as important files are on this machine! The file system upon which '/home/...
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Ubuntu 20.04.1 LTS

The following paragraph was copied by your Ubuntu 20.04.1 LTS introduction. " which means five years, until April 2025, of free security and maintenance updates, guaranteed." please tell me,...
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What is the difference between Mem and Swap? [duplicate]

I want to monitor my memory usage with free -h. Then, I got 2 rows of information: 'Mem' and 'Swap'. What is the difference between them?
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248 views

What is the calculation for available memory in free command

Need to know how kernel calculating the available memory in Ubuntu As my used memory is not equal to available (total - used)
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1answer
533 views

Can not compile anything by fp (Free Pascal IDE) and there is no help

If I try to compile a simple program by fp that is a Free Pascal integrated development environment installed along with fpc package, I get error "Fatal: Can't find unit system".. I can ...
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What does the available section in free -m command output mean on Ubuntu 18.04 server?

On a testing server, Elasticsearch is giving this error: Elasticsearch::Transport::Transport::Errors::ServiceUnavailable ([503] {"error":{"root_cause":[],"type":"...
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2answers
929 views

Ubuntu 20.04 : failure extract

System inflates hard drive when it try failure extract some rar files. system cannot be reboot because there is no free space
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132 views

ubuntu calculate wong total ram size

I'm using raspberry pi 3B+,ubuntu 20.04 pre-installed server,download from here: https://ubuntu.com/download/raspberry-pi I've found that if I use free command (whatever -k -h option),it show me I ...
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1answer
1k views

Out of memory error despite having enough memory

I am trying to use a Python package called Camoco using the CLI. When I run one of the commands that I need, I get [LOG] Mon May 11 20:47:31 2020 - Your computer ran out of memory! This analysis ...
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379 views

Incorrect memory displayed on ubuntu using free commands

I had partitioned my hard disk and alloted 100GB to ubuntu prior to dual boot, however when I check the memory available using free -m and free -h commands the memory displayed is only 15 and 13 GB, ...
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1answer
248 views

Why do free and lshw show different RAM sizes?

In Lubuntu 18.04 in a laptop (Model Name: SATELLITE C55DT-A5244), free shows its RAM ram is 3.3G $ free -h total used free shared buff/cache available Mem: ...
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1answer
285 views

Custom DNS On Kubuntu 18.04.2

I wrote to you this because I have try to make kubuntu use quad 9 DNS or Cloudflare or other DNS but not working I have try with rezolv.conf with configure network connection under with automatic (...
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537 views

free command shows 7gb of 'free' memory & only 2gb of available memory

when I run the 'free' command it shows my VPS (Ubuntu 18.04 LTS 64bit) as having 8gb total, 7 of which is "free"... From what I understood from this question, free memory is supposed to be very ...
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3answers
10k views

Check available memory in Linux

I am writing a Python script which downloads 4K videos and plays them on request. When my device memory goes above 7.2 GB it deletes the video with the least number of views. Using the free ...
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1answer
1k views

checking free memory by free -h command , here what is difference between available and free memory? [duplicate]

free -h total used free shared buff/cache available Mem: 7.7G 2.1G 622M 362M 5.0G 4.9G Swap: 7.5G 984M ...
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2answers
732 views

How to analyze video card RAM and GPU load? [duplicate]

I would like to analyze my video card performance (RAM, load, etc) the way that top, free and lscpu does for my main hardware. Is there an app to do this?
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145 views

show free space on a gvfs mount?

How can I check the free space on a gvfs mounted partition. I want to use it on a script. mounted with gvfs-mount "ftp://192.168.178.**/Disk-01/" df does not provide usefull data: gvfsd-fuse ...
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1answer
256 views

Disk space depleting fast - what should I do?

I'm on 16.04. Free disk space keeps on getting smaller by the hour in Gigabytes. I'm not downloading anything or installing anything. Yesterday I ran timeshift, and I regained 20GB+ of free space. ...
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1answer
880 views

Output of “free -m” doesn't match

How can I check my RAM usage? I am trying the command free -m as I saw here, I should get something like this: total used free shared buffers cached Mem: ...
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1answer
389 views

How to calcualate memory usage of Desktop enviornment

I'm using Ubuntu 17.04 in my laptop. free -m command gave me the following output after i logged in to my PC and ran this command. ubuntu@ubuntu-pc:~$ free -m total used ...
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1answer
222 views

Ubuntu: Server is left with only 716 MB free RAM out of 62 GB RAM [duplicate]

My server has 62 GB RAM but now i can see only 716 MB RAM is free. Below is the output of free -lh command total used free shared buffers cached Mem: 62G ...
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1answer
7k views

Ubuntu 16 - Free command Buffer/cache difference

I believe there's difference between buffer and cache memory. In ubuntu i see them clubbed together. Does ubuntu treat buffer and cache differently ? In my case available memory is very low and I am ...
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1answer
3k views

What shared in free -mh command

I am trying to understand the output of the free -hm command. I know about the columns other than "shared". Shared is taking up 50% of my RAM and I couldnt find much relevant info on it what it is and ...
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1answer
1k views

Use netstat to find if a specific port is free

I'd like to run a server with a specific port, but I don't know if it is free. How could I know if a specific port is free? Could I use netstat command for that?
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72k views

What is available memory while using free command?

The output of the free command that I fired on my linux host is as belows: free total used free shared buff/cache available Mem: 263846320 47746620 ...
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1answer
110 views

how to use top and free to see what is bogging down the system?

I wasn't able to grab the output from top, but I had many, many leafnode instances listed. They weren't using, individually, many resources. Perhaps in aggregate they were bogging down the system. ...
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2answers
4k views

Need help to interpret output of free command

I would appreciate help in interpreting the output of 'free -m' below. -bash-4.2$ free -m total used free shared buff/cache available Mem: 15793 ...
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1answer
6k views

General way to monitor ALL memory usages

I have Kubuntu 16.04 and am using ZFS. As you can see on superuser, I just had a long journey in tracking down where my memory was vanishing to. It turned out to be the ARC of ZFS that was eating it ...
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1answer
267 views

Alternative to Teamviewer

I need an advise about alternative app for Teamviewer. For me is important to have such features like: Ability to control PCs remotely Switching sides to control each other PCs Ability to talk in the ...
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2answers
3k views

How can I make disk image without free space?

I want to make disk image in case if something goes wrong. I found few topics and method about zeroing free space, but people also said that method is not safe for SSD. Then I found other method - ...
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3answers
15k views

Swap priority gets set to -1 on each boot

I have a swap partition of size 7.9 GB. When I use the command free, it shows this: NAME TYPE SIZE USED PRIO /dev/sda7 partition 7.9G 0B -1 The swap partition is not being used and its ...
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2answers
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Best linux distro for workstaton in small business ? Basic purpose run excel,word,pdf and multiple webpages simultaneously? [closed]

Looking for commercial workstation OS which legal to use for small business basic purpose is run spreadsheet,word,pdf, and multiple webpages simultaneously each system will be getting 4GB DDR2 RAM (...
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1answer
12k views

What do the changes in `free` output from 14.04 to 16.04 mean?

I noticed that the free command reporting has changed somewhere between Trusty and Xenial. Here is what `free -m' shows on one of my Trusty computers: $ free -m total used ...
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1answer
67 views

I want to use Ubuntu desktop edition for free in my organization. Do I have to pay for that? [duplicate]

I want to install Ubuntu desktop OS on all my laptops at work, So I don't want to invest for support and for OS as well. I heard that Linux is the free solution for operating system requirement ...
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1answer
120 views

How do I unlock non-partitioned space from my HDD?

When I installed my ubuntu, I only made partitions for ext4 and swap, but now i have 1.5 Tb of free space and I cant use it. What should I do?
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1answer
217 views

What's the difference between install-powerpc and install-free-powerpc? “install-free”?

I'm not sure which one to type in, and I can't find any info online that explains the difference. I'm afraid the difference may be very important. I noticed there's also "install" and "install-free",...
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1answer
650 views

how to delete .private

private take alot of space when all my files 70 gb so please help me df -h Filesystem Size Used Avail Use% Mounted on /dev/sda6 451G 262G 167G 62% / none 4....
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1answer
386 views

Can I use only Ubuntu as my custom Pc OS? [closed]

First of all, I've been really excited about giving some support to free software, at least by using them. Not only as alternatives, but as substitutes. I am studying animation and digital arts and ...
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1answer
101 views

Ubuntu is using 170 GB of HDD

I have installed Ubuntu 15.04 with Gnome (to be more exact it is this onehttps://ubuntugnome.org/) and everything was going perfectly well and I couldn't complain. I installed it on a 194GB partition (...
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1answer
1k views

why does free command show more memory usage than other tools [duplicate]

When I use free -h -l command I see 1.8G in use where system monitor app shows me 1.1G in use. total used free shared buffers cached Mem: 1.8G 1.7G ...
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1answer
44 views

How do I find out why I get anytime the same error message from an original Ubuntu script?

Swap2Ram.sh always produces its error message, even when I have enough ram left. Any ideas? #!/bin/sh mem=$(free | awk '/Mem:/ {print $4}') swap=$(free | awk '/Swap:/ {print $3}') if [ $mem -lt $...
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2answers
8k views

How to get a good overview of RAM usage

I have installed Ubuntu 14.10 on a server. The server main task is running a MongoDB installation along with several NodeJS applications. The NodeJS applications will run continuously and will accept ...
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0answers
31 views

I have an organization and i want install ubuntu? [duplicate]

I have my own an organization and i want to replace some system with ubuntu, do i have to buy ubuntu? Because i have heard ubuntu is free for use!! Thanks ITTECH
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1answer
1k views

After deleting a shared folder, Ubuntu doesn't see freed disk space

I'm stuck, after deleting a shared folder (shift+del) I can't get back the disk space previously occupied by the folder (19GB). Full story - I've created a folder for backup and shared it on my local ...
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3answers
759 views

Update fails to Install

I get the below error when I try to install updates using Software Updater: Not enough free disk space The upgrade needs a total of 81.3 M free space on disk '/boot'. Please free at least an ...
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1answer
1k views

What is wrong with the memory usage?

I can't figure out what is consuming my memory... Could anyone help me? user@desktop:~$ free total used free shared buffers cached Mem: 8176992 6186776 ...
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2answers
3k views

how to download free Games [closed]

https://apps.ubuntu.com/cat/applications/motorbike/ not able to down load games from here. From where do I download free games for my ubuntu.
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2answers
980 views

How to use free -m to get memory usage for all users

I typed the free command to get the memory usage as follows : free -m output: I want to use this command to get the same info but for all users for example : I used this command .. because it ...