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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swap turne off after I reboot my Laptop,

I have a problem with my swap partition, I re-sized it with gparted, and I had to turn it off to do that. but after that I turned it on, but after I reboot I find that there is no swap on. so I have ...
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16 views

Swappiness change results in problems

A couple days ago I changed the swappiness of the kernel, and now I am having problems. Now, on boot, I am seeing errors (in windows; Unity and X.org still work fine as far as I know) that say that ...
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0answers
16 views

Why does my laptop grayscreen after I reopen it?

I'm using an Intel Macbook on Ubuntu 12.04 with kernel version 3.11.0-26-generic The problem I've been having is that, when I close the laptop lid and reopen it the machine does not resume ...
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1answer
327 views

boot up problem (14.04 + GRUB + Swap + Nvidia) - with pictures

When I start my laptop, it takes as much as 7 tries to get past the place where the swap gets mounted; if anyone is looking over my shoulder then it becomes 15 tries! My laptop is a lenovo W520 with ...
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1answer
42 views

linux-swap turns swap off during turn off

When I found my system being too slow, I created a linux-swap with the help of gparted. It has helped me highly, providing a reliable processing speed without any blackening of my screen. But whenever ...
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1answer
35 views

swap partition shows as unknown in gparted

My swap partition does not seem to be operating properly. It worked fine yesterday, but seems to be inactive today. Per lsb_release -a, running Ubuntu 14.04 LTS trusty on a Compaq CQ62, dual booting ...
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0answers
31 views

Deleted linux swap, now booting to grub rescue

I just deleted my linux swap from gparted and used that to extend my main linux partition. Now I just boot into grub rescue. It seems like a simple fix in fstab but I'm not sure. Here's my fstab # ...
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4answers
85 views

Create Swap for Ubuntu 14.04 LTS

I'm using 2 GB RAM I've installed Ubuntu 14.04 LTS how much swap do I need to create?
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1answer
23 views

What size should swap partition be if I want to hibernate later?

Since I'm installing Ubuntu for the first time ever (please don't shoot) i have no idea how large the swap partition should be. On the one hand, I know that people recommend "double the ram unless it ...
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1answer
30 views

Dynamic swap file like in Windows?

I would like to install Ubuntu to a 8GB USB stick so really don't have space for swap. I have 8GB RAM and the most memory intense apps I use are Firefox and LibreOffice. I don't use hibernate. I know ...
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1answer
25 views

No Swap - Easy Way To Add?

My Ubuntu has no swap space. Apparently you can run a swap file on an existing partition - is that true? I'd like to add one, but the online instructions are all rather complicated and require the ...
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2answers
37 views

Would increasing my swap partition's size benefit my computer's performance?

Apparently increasing the size of the swap should make my computer able to handle more applications because it can "push more data aside" into the swap. ...or will it make the computer hang more ...
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3answers
51 views

Is having swap on hard drive or sd card better?

I have a bunch of 16gb normal speed sdhc cards, so if I use them I'm not worried about them getting damaged, but I was wondering: is swap on a 7200rpm 320 gb hard drive that is also the drive ubuntu ...
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0answers
53 views

Google-Chrome would rather die than use swap

I'm running Ubuntu 14.04, and I seem to be having trouble with the swap file. I'm using System Load Indicator 0.3 to watch memory usage, and while system memory fills up, the swap file gets very, very ...
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1answer
40 views

I can't do hibernate to my PC due to swap partition size is equal zero?

How can I do that swap partition without losing data when I used ~$ free -k The output was: total used free shared buffers cached Mem: 3891772 ...
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2answers
67 views

Swap not availlable

I have noticed that my swap is not available. This could explain why my computer freezes every so often when I am using it heavily. I installed 14.04 64-bit with an encrypted folder, which ...
2
votes
2answers
74 views

Shrink or remove swap with 4GB RAM and SSD?

I wasn't exactly sure so I created a swap partition 4100MB in size. Now I have swappiness at 0 and it's highly unlikely I'll ever need swap because I don't use any memory intensive apps. I also don't ...
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1answer
39 views

Swap Keys for Game

I want to swap Tab key with Left Shift key for playing Dota 2 from Steam. I swap the keycodes of the keys and works fine until I start the game. I push Tab (it should be shift to queue actions) but ...
2
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3answers
482 views

Why does my system use so much cache?

Previously, on my desktop computer running Ubuntu 14.04, I had 4GB RAM, which I thought should be plenty. However, after being on for a while, my computer would seem to get slow. I have a system ...
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2answers
57 views

Creating Swap Partition

Hello I am very new user of Linux. I am going to install Ubuntu 14.0.4 and have two questions: The partition in which the Ubuntu will be installed, what would be the partition type primary or ...
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1answer
135 views

Why did Ubuntu 14.04 create a 15.8GB swap partition?

I started with Windows 7 on 120GB SSD and Ubuntu 14.04 32bit installed on 60GB partition on separate 1TB HDD. I just did a fresh reinstall of 14.04 64bit on the 1TB HDD. In the installation set up ...
0
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1answer
39 views

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

I am getting this error on bootup and do not know what to do. I have looked at almost every other answer related to this, but cannot access terminal before the computer freezes because of ram (I heard ...
0
votes
1answer
34 views

Are all pages of a process loaded in swap file / partition?

"Swap space is the area on a hard disk which is part of the Virtual Memory of your machine, which is a combination of accessible physical memory (RAM) and the swap space" . According to a user now , ...
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1answer
307 views

zram vs zswap vs zcache Ultimate guide: when to use which one

What the hell are they? how are they different (I've written my understanding in an answer below) In the Zswap system, when a page is evicted from the zswap to the actual swap is it stored in a ...
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0answers
23 views

Swap partition missing or not found error? How do i solve this error?

No swap partition found. I get this error all the time and i have attached the picture of it. It appears when Ubuntu 12.04 is starting and i got no idea how to solve it. I did create a swap partition ...
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2answers
102 views

NAS running Ubuntu / Raid 5 / SSD cache

I'm about to setup a NAS - planned hardware so far: MB: ASUS P9D WS(*link1): sry, it's german, it says th MB supports Hot-Plug in AHCI or RAID Mode, supports Intel Smart Response (SSD Caching) CPU: ...
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3answers
570 views

Do I need a swap partition for every Linux distribution?

To install various Linux distributions on the same physical machine, do I need to add a swap partition for each distribution, or one will suffice for all?
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0answers
133 views

No swap in Xubuntu 14.04 LTE with full disk/system encryption

I'm a newbee to Linux. I installed Xubuntu 14.04 LTE on my 1.6GHz/2GB RAM/120 GB SSD HDD netbook. Everything goes smoothly, except I realized that during booting and logging in there was a warning ...
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1answer
88 views

No Swap Partition!

I'm in dire need of help. My system has become incredibly laggy and hardly usable. I have realised that this is because for some reason I'm running without virtual memory (this is not intentional). ...
0
votes
1answer
66 views

Creating a swap partition on an SSD with full encryption

Much to my surprise I recently found myself to lack a swap partition. Since (as is evident from the output of df, which I hereby repost) that I am running off a single encrypted volume, I was ...
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1answer
39 views

Hibernation/swap partition

I'm trying to enable hibernation on my laptop, a Dell XPS-13 (with a 256 GB SSD mounted as an encrypted volume). I was following the official documentation here and I attempted the "hibernation test" ...
1
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1answer
62 views

Swap partition showing unknown. Can I format it to ntfs or ext4 for keeping my files or this will cause problems to system? I don't need swap space

The gnome disk utility shows a partition with 3.1 GB is linux swap with unknown content. In a terminal running free command total swap shows 0. What does this mean? I don't need any swap space, so ...
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0answers
155 views

Swap partition on SSD with full encryption

I installed ubuntu 14.04 on my laptops SSD with full encryption enabled on installation and I just realized, that the installer created a swap partition. swapon shows me Filename Type ...
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1answer
57 views

Can't disable swap partition on USB persistence ubuntu 14.04 LTS

I created an ext2 partition for swap and I got it working fine. I'm new and just wanted to try it. But I don't want to blow up the USB flash, so I tried to disable it and it's not possible! I try ...
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3answers
136 views

Ubuntu Frozen every time when Memory usage over 80%

Ubuntu Frozen every time when Memory usage over 80%, It seems that the system hangs due to a load of disk IO - the screen is frozen and the only thing I can see is the indicator LED of disk keeping ...
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2answers
76 views

Choosing partition types for swap and root and choosing device for bootloader installation

I am trying to install Ubuntu 12.04 via manual partitioning because I want to remove an existing Windows 7 operating system but keep all my other partitions with their contents intact. My questions ...
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0answers
38 views

How to convert Linux swap drive to windows readable format [duplicate]

Okay so I'm rather new to linux but I my laptop has 2 drives. One 64gb msata that i use for my windows boot drive and a terrabyte hdd that i use for all my other files. I decided to create a new ...
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vote
1answer
114 views

Know programs in cache

I have this situation with RAM and SWAP at the moment: $ free -h total used free shared buffers cached Mem: 7,7G 7,5G 159M 100M ...
1
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2answers
433 views

Encrypted Swap Partition for 14.04

How can I produce an encrypted Swap Partition for 14.04 ? All the advices I saw here are for versions <14.04 and do not work for me. I tried a lot but nothing lasted longer than a reboot. Is there ...
0
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0answers
39 views

Find users of swap when smem reports zero swap usage

I want to know, who and why uses my swap, but can't see swap users by smem. After setting sysctl vm.swappiness to 10, and starting chromium (10 tabs), my swap usage jumps from 0 to 30-35 MB ...
2
votes
1answer
45 views

Lagging when swapping

I use Ubuntu 14.04 on my Lenovo E531 with 4GB installed. The problem is that when the RAM is about 70% full the system starts swapping. After swap is used (even if only 10MB is in swap) the system ...
0
votes
1answer
110 views

Why dont changes to the swappiness remain permanent after reboot?

System Ubuntu 14.04 I want to change my swappiness from the default 60 to 10. According to this answer http://askubuntu.com/a/103916/71679 I need to log in as root and edit /proc/sys/vm/swappiness ...
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votes
1answer
25 views

Swap failure 13.10

I have Ubuntu 13.10. For the first time tonight it crashed for some reason, and when I rebooted I was treated to a black screen after I logged in, and had to reboot again. I booted into another OS and ...
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2answers
863 views

Swap not working on clean 14.04 install using encrypted home

Update 3: I decided to reinstall the system from scratch to remove any old cruft lying around since I had been experiencing some other issues after the upgrade aswell. Howver, this issue persisted. ...
2
votes
2answers
373 views

14.04 with FDE and swap is missing

Helo I have a fresh install of 14.04 on a laptop with an SSD hard drive. When installing I turned on Full Disk Encryption as well as encryption of home folder. Partitioning was left to the ...
0
votes
0answers
20 views

Help fix swap error when waking from suspend to ram

I suspend to Ram fine. I can't wake from Ram. It always ends up in a swap error, and I have to reboot the whole computer.. Why? What info do you need from me? Please help!
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1answer
41 views

What to do about /dev/mapper/cryptswap1 not being ready?

Okay, I know it seems like this post has been shared a thousand times, but here's my situation: 1) I have a 1TB portable HD that I use to boot Ubuntu on the school's computers sometimes. 2) I just ...
2
votes
1answer
162 views

How to create swap file on ext4

My friend whats to create a 4GB swap file on his ext4 file system. because he is using a chromebook acer c7 the way he installed he did not have a chance to specify swap partition and now he want to ...
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2answers
58 views

Is available swap memory important in my case?

I've read a little bit about swap memory, but I don't understand it enough to make a decision on trying to look into this more on my system. Here's what I have available right now: user@ubuntu:$ ...
0
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1answer
77 views

Ubuntu Disk Management

So, I notice when I open up "Disks", that it is showing 3 partitions on my main drive. 1 is the system, 1 is the swap, but the other is simply labeled as "Extended Partition" So what I'm wondering ...