Unix systems, and other Unix-like operating systems, use the term "swap" to describe both the act of moving memory pages between RAM and disk, and the region of a disk the pages are stored on. In some of those systems, it is common to use a separate whole partition of a hard disk for swapping. These ...

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Realistic working swap for 128GB RAM?

I've just installed Ubuntu 15.04 on a new 240GB SSD, and immediately noticed that /dev/ubuntu-vg/swap_1 on the resulting installation is 137GB. That seems excessive, even counter-productive, but ...
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1answer
27 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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1answer
27 views

ZRAM vs. regular swap partition

I don't fully understand the functionality and the potential advantages of zram. For example: once zram is activated, what percentage of memory will be dedicated to paging? Another issue: obviously ...
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0answers
14 views

swap option missing while installing in ubuntu server 14.04 lts

There is no option to select swap partition while installing the server version....I have tried all the possible ways to check the option and not found anything. Is their anyway to enter manually
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3answers
63 views

Deleted Swap, now boot takes forever

Running Ubuntu 15.04. I was receiving messages about my root / partition running out of space, and so I looked up how to allocate more space to it. I followed the answer to this question: How to ...
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1answer
28 views

Neuroimaging Use: How big for partitions (root, home, swap) and some other Qs

I will be using my Ubuntu for neuroimaging use. This is my first time using -- I've been using Macs for the last few years so am not familiar with using Ubuntu on a regular PC. A few questions: Are ...
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1answer
18 views

Encrypted swap partition not available

How should I correctly set up my encrypted swap partition? How can I ensure that the setup persists? I'm running 14.04 using encrypted home folder. I noticed that occasionally my machine would ...
0
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1answer
94 views

Install Ubuntu 15.04 with full disk encryption, but without swap partition

I have a laptop with 16GB of RAM, but SSD is only 64GB. I need to install Ubuntu 15.04 with both standard options - "Encrypt the new Ubuntu installation for security" and "Use LVM with the new Ubuntu ...
0
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0answers
24 views

How to monitor the effect of increasing or decreasing swappiness?

I'm on a system with 1.5GB RAM (don't laugh!), half of which is generally being used by Firefox. Currently, 3% of the 3GB Swap are being used (some 80MB). I tried to change the swappiness like so: ...
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3answers
33 views

Can Red Hat and Ubuntu Share swap

I already have Red Hat installed. When I install Ubuntu, the swap area for the already-installed Red Hat was identified by the Ubuntu installer, and the default option is to "Use as: swap area". The ...
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1answer
33 views

How to re-setup swap partition in GPT system

I installed Ubuntu 14.04 as dual boot on my windows 8 acer desktop pc. I am sure I set up a swap drive but now if I do swapon -s I don't seem to have a swap partition. Upon sudo fdisk -l I get: ...
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0answers
29 views

Several gigabytes free RAM, so why is my swap file used? [duplicate]

This is a typical situation on my computer: I'm running a few different apps and a LOT of Chrome browser tabs. There are still three gigabytes free RAM on my system: I had expected my swap file to ...
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0answers
33 views

default ubuntustudio 15.04 install crypto passphrase works fine except for swap

I did a fresh install of ubuntustudio 15.04 (64b), with activated encryption. I sometime get a request to provide a passphrase for ubuntu--studio--vg-swap_1, for example if I execute sudo service ...
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3answers
42 views

Windows 8 doesn't show in GRUB 2, Bootrepair didn't help

I've spend the entire day on this problem, probably because I'm relatively new to Ubuntu. I installed Windows 8.1 after Ubuntu. First I wasn't able to start Ubuntu, but after Bootrepair I was. ...
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1answer
53 views

Swap does not work in Kubuntu 15.04

I've installed Kubuntu 15.04. It seems that swap doesn't work: free -m: total used free shared buffers cached Mem: 3706 3109 596 197 ...
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2answers
38 views

Is it safe to delete a Swap Partition on a USB install?

I have a Ubuntu 14.04 installation on my 32gb USB drive. I recently read that having a Swap causes a lot of reads and writes to the drive making the OS slow and reducing the lifespan of the drive. ...
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0answers
32 views

swap does not work in 14.04

I use vagrant to install my dev VM. The VM configured config.vm.box = "ubuntu/trusty64" config.vm.provider "virtualbox" do |vb| vb.memory = "256" end I follow How do I configure swappiness? to ...
2
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2answers
674 views

Can't boot after upgrading to 15.04

I'm an amature linux user, so excuse my ignorance. After upgrading to 15.04, the screen hangs on the Ubuntu loading image and then finally goes to a black screen with the following: [ 1.595012] ACPI ...
2
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1answer
156 views

Swap doesn't seem to mount after update

I updated to Ubuntu 15.04 and now my swap partition does not seem to mount. I'm not an expert, but it looks like the partition does not seem to have a UUID anymore. How do I get the swap partition to ...
0
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1answer
39 views

How to delay mounting swap after boot?

systemd-analyze blame showed me that mounting swap took 9.125 seconds. I cannot disable it because I'm using hibernation a lot. But I'd like to delay mounting it for 5 minutes after boot. Is that ...
0
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1answer
43 views

Too much swap, how do I change it?

I'm new at Ubuntu and I'm fiddling around with Ubuntu Server 14.04. I'm trying to get it to run a Minecraft server, but whenever anyone joins, it starts skipping ticks and players reported heavy ...
1
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1answer
28 views

How to recover an HDD after using it for SWAP

Last night I was working on my linux box using a CFD solver where I needed more than the 16 GB RAM that I already have installed. So I took one of my external HDDs (total of 360G capacity with about ...
0
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0answers
14 views

Default Ubuntu or any derivate distro installation creates swap AFTER home (single partition installation)

Today I have encountered the same problem twice and the second one was actually just checking if the first occurence is actually something that has happened by accident. I had to deploy a Kubuntu VM ...
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1answer
105 views

First time installing Ubuntu. Partition. Do I need swap area? I only have SSD

I want to install Ubuntu on my laptop (Thinkpad X201). I already have Windows 8 on my Laptop, so it will be a dual boot. My laptop has 4 GB RAM and a 120 GB SSD, but no HDD. My question is, for ...
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0answers
24 views

Ubuntu 14.04 randomly freezing [duplicate]

I have Ubuntu 14.04 running on a Thinkpad T440 with Intel Core i5 Vpro 4gb with Intel Haswell graphics but it is randomly freezing with no reason. Recently I didn't have made any big change on the ...
1
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1answer
41 views

restrict memory usage to prevent swapping

I have an SSD and 8GB memory, and no swap partition. My normal use never ever needs more than 3-4GB. However from time to time I observed that some memory-leaking programs can still freeze the system ...
0
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2answers
36 views

I Cant resize my main Partition [duplicate]

I Want to Make my Swap partition bigger, I didn't know exactly what swap was until I looked it up, So I set my swap partition as only 100 megabytes, I then learned that that is positively puny ...
0
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0answers
42 views

(Unused) swap causing fan noise? [Ubuntu 14.10]

I was running Ubuntu 14.10 for a while without any (fan related) problems. The fan was very quiet and would blow slightly when e.g. viewing HD videos etc. Then I had to reinstall Ubuntu due to a ...
0
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2answers
68 views

Gparted - How to move partition to extend the size

I want to extend the sda1 to take the full unallocated size: The steps are as the following: Move sda2 to the right Increase the size of sda1 to fill the space But the thing is, I didn't get ...
1
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3answers
41 views

How much space to allocate to the swap partition? [duplicate]

I am currently installing Ubuntu on a new dedicated server with 8GB RAM. How much space should I allocate to the swap partition? The server will be used to handle 50,000 visitors monthly. (Not sure ...
0
votes
0answers
63 views

Network manager failing to load etc/network/interface all messed up

I am having major hassles with my system, can't connect to Internet or share files, on boot I am getting the following fails: Configure network interface = fail Configure network device ...
0
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0answers
52 views

Move boot and swap to another disk

I installed ubuntu 14.04 on a hdd an I have another small ssd disk now I want to move boot and swap to the sdd disk how can I do this wihtout losing any data edit: I mean with boot the bootloader ...
0
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0answers
37 views

Ubuntu freezes after decryption screen!

Everything was working fine on my laptop, it always has... But when I restarted the other day, Ubuntu refused to do anything after the "decryption" screen (where you enter your password to decrypt the ...
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0answers
11 views

Hibernation Problem: Opened Programs are being Closed after Hibernation

I have problem with my hibernation. Computer can be hibernated, but when I turned it on, the programs that I worked with, like office program and browser, which I didn't close, are closed. So, it's ...
0
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0answers
79 views

Ubuntu is not using swap space from swap file

Instead of using a swap partition, I've always used a swap file (Debian, OpenSUSE, Slackware, Ubuntu) and I've never had problems. But I've just installed Ubuntu 14.04 LTS, I created a swap file as ...
0
votes
0answers
56 views

Swap partition goes inactive after every start

My fstab looks like # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name ...
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0answers
21 views

Prepare for a huge computational script (RAM, SWAP…)

I run lots of python scripts on my laptop, but this time the situation is tricky. I need to read dump files, and perform huge calculations, so I need a lot of RAM and space. A crude calculation ...
1
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1answer
24 views

How to check if there is already a swap area?

I am using Ubuntu 14.04 on my laptop with 4 GB RAM. I had chosen option to "replace Windows 8 and install Ubuntu with LVM" when installing Ubuntu. Now I wanted to create a swap partition, I executed ...
0
votes
2answers
35 views

Can't overwrite swap

i have ubuntu desktop 14.04 LTS and i want to encrypt my 7.88GiB swap partition (sda6). Before encrypting i need to overwrite it, to make sure no important data is left on the partition. For this, i ...
1
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0answers
63 views

the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present is showing

On a new elementary os installation the swap is not available. I tried all the remedies offered here: What to do about "the disk drive for /dev/mapper/cryptswap1 is not ready yet or not ...
0
votes
1answer
37 views

I should have 20GB of swap space, but I apparently have no swap space at all

When I installed Ubuntu I set aside about 20GB for my swap space. However, when I run the top command I am told that I have no swap space at all. Here's the system summary provided by top: top - ...
0
votes
1answer
115 views

Can Ubuntu 14.04 use encrypted swap without resorting to unofficial hacks?

On a fresh install of Ubuntu 14.04, I get this error message during boot the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present and the swap partition is never activated. From ...
1
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1answer
118 views

Graphics stuttering issue in Ubuntu 14.10 for Intel on-board graphics

I'm running Ubuntu 14.10, and for the past couple of days, I'm facing graphics stuttering all over Unity, which mainly affects text and various parts of Unity (refer to screenshot). And this ...
0
votes
1answer
22 views

Swapping disks between different systems

I am going to swap my laptop's drive for my desktop's drive. Both run a 64bit 14.04 distro. My laptop has an Intel Celeron CPU while my desktop runs on a AMD A6 CPU What are some things that I need to ...
0
votes
1answer
138 views

Shifting from Windows 7 to Ubuntu 14.04.2 LTS

First of all I know that there are many questions like this, same topic, but I have some confusions, I will explain them in details my computer ...
3
votes
1answer
49 views

Order of partitions on drive? [closed]

I plan to partition my hard drive into efi, /, /home, and swap. If considering the beginning of my disk is faster than its end, how shall I arrange the order of my partitions? Should / be as ...
2
votes
1answer
23 views

Leave unollocated space in case of increasing partition size in the future?

I plan to partition my disk into EFI partition, /, /home and swap I also want to prepare when I might need to increase / /home or swap in the future. So shall I scatter unallocated space between ...
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votes
2answers
100 views

How much swap should I take for ???GB RAM on 14.04? [duplicate]

I will install 64 bit 14.04 on a Thinkpad T400 with 8GB RAM. How much shall I allocate for the swap partition? And especially: WHY those recommendations for swap? (None of the existing answers ...
0
votes
0answers
69 views

Apple Slim Aluminum Keyboard - swap Ctrl and Cmd

I have wasted few hours trying to swap my Cmd and Ctrl keys on my Apple Slim Aluminium Keyboard on Ubuntu 14.10, but without success. I have used several AskUbuntu questions, couldn't manage to make ...
0
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0answers
153 views

Docker warning on cgroup swap limit, memory.use_hierarchy

I am getting this warning from 'sudo docker -d': WARNING: Your kernel does not support cgroup swap limit. even after following the steps (as in this link): modify below lines in ...