Questions tagged [free]

free is a command to view various memory stats.

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Recommendations for tools to monitor your network [closed]

What opensource tools can you recommend for your domain? I need to monitor clients and servers, both Windows and Linux. I have Zabbix and OpenVAS installed right now. I have also looked into Wazuh and ...
Yesyesyes's user avatar
3 votes
1 answer
383 views

why is /usr/bin/free opening liblzma?

I see the following when running strace free: hans@devad22:~$ strace free 2>&1 | grep openat openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3 openat(AT_FDCWD, "/lib/...
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1 vote
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Wireguard VPN Client GUI issue

I am not getting the Wireguard option at Settings > Network > VPN > addnetwork(+). Only PPTP and OpenVPN is visible. How can I add the wireguard option there? Screenshot attached enter image ...
Deepak Maretha's user avatar
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Ubuntu 22.04.2 LTS freezes and is very unstable

When I enter certain web pages, for example pluralsight, it freezes to the point of having to force quit to close the browser, also when a page is loading a lot, it still freezes. I have tried with ...
Ron's user avatar
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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 ...
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Why used memory is high with XFS filesystem

In my ubuntu 20.04 VM, XFS is used instead of ZFS, and swap is disabled In below case, used memory is high, but I can not get clue from the result of df -hl -t"tmpfs" and ls -ahl /dev/shm/ ...
M.Ozawa's user avatar
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How to calculate used memory of 'free' command

How to calculate used memory? In below case, 15784520(RSS memory of 'top' command) + ? = 16031516(used memory of 'free' command) root@host:~# free -w total used free ...
M.Ozawa's user avatar
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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 ...
user19000691's user avatar
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"free -g" and top reporting wildly different memory usage on MySQL server

I am aware of buffers, cache, swap, etc. but can anyone explain this one to me? First, Here's a TOP output sorted by memory usage. Note that MySQL is using 39.4% of the RAM in the system. Every other ...
Tony Maro's user avatar
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My question: Is Ubuntu free (even for commercial use)? [duplicate]

Is Ubuntu free to install, customize and use - even to perform commercial purposes by using other apps available on it?
Boadistack's user avatar
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XFS filesystem different amount of free space, if mounted RW vs RO

I have big disk (14 TB), and fill it with big files (~100GB each), so I use XFS filesystem. After disk is full (52G free) - I remount partition as read-only, to protect files. And there is 143G of ...
Marius Alaburda's user avatar
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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.
Daniel's user avatar
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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/...
rbj's user avatar
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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":"...
Nishant Kumar's user avatar
3 votes
2 answers
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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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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 ...
Chris Chau's user avatar
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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 ...
An Ignorant Wanderer's user avatar
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1 answer
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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, ...
Kutsit's user avatar
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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: ...
Tim's user avatar
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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 (...
Chisu Marius's user avatar
1 vote
0 answers
853 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 ...
Lucy's user avatar
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11 votes
4 answers
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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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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 ...
ROBIN KUMAR's user avatar
1 vote
2 answers
2k 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?
Joshua Besneatte's user avatar
1 vote
0 answers
217 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 ...
2IRN's user avatar
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2 votes
1 answer
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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. ...
obo's user avatar
  • 159
1 vote
1 answer
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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: ...
Lucas Andrade's user avatar
1 vote
1 answer
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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 ...
Rooney's user avatar
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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 ...
user2274074's user avatar
4 votes
1 answer
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 ...
Vinod Jayachandran's user avatar
2 votes
1 answer
4k 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 ...
blackbug's user avatar
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1 answer
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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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82 votes
1 answer
102k 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 ...
Nishant Lakhara's user avatar
0 votes
1 answer
119 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. ...
Thufir's user avatar
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4 votes
2 answers
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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 ...
Dipendra Kothari's user avatar
8 votes
1 answer
8k 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 ...
Torge's user avatar
  • 241
2 votes
1 answer
289 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 ...
zhukovgreen's user avatar
0 votes
2 answers
5k 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 - ...
PKM's user avatar
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7 votes
3 answers
24k 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 ...
axolotl's user avatar
  • 1,033
-1 votes
2 answers
162 views

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 (...
Benin's user avatar
  • 5
34 votes
1 answer
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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 ...
otus's user avatar
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0 votes
1 answer
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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 ...
Shiva Shankar 's user avatar
1 vote
1 answer
153 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?
Frederico Pinto's user avatar
0 votes
1 answer
234 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",...
Wolfpack'08's user avatar
0 votes
1 answer
797 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....
Mahmoud Saad's user avatar
1 vote
1 answer
411 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 ...
HoangJo's user avatar
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0 votes
1 answer
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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 (...
Konstantinos Alvertos's user avatar
2 votes
1 answer
2k 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 ...
user222368's user avatar
0 votes
1 answer
50 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 $...
brubaker's user avatar
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