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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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 ...
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234 views

How to get rid of encrypted swap?

I recently installed Ubuntu 12.04, including a encrypted root and swap partition. I'd like to get rid of the encrypted swap partition (not just of the encryption for it, but of the whole swap ...
0
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0answers
34 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
52 views

dell xps 13, is it possible to swap ctrl and fn keys in bios? [migrated]

This question was marked as a duplicate to a question about how to remap keys in the OS. This is not related to my question. Although most keys can easily be remapped in this way the fn key is ...
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2answers
6k views

Should swap and RAID-1 mix?

I have a box with a small RAID-1 array being used for swap space. I only did this since I was setting up mirrors for every other partition in the system. Today I read this question and it prompted ...
0
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0answers
21 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 ...
0
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0answers
33 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
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0answers
10 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 ...
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2answers
31 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 ...
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0answers
27 views

the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present error on startup and ubuntu hangs on suspend [duplicate]

The disk drive for /dev/mapper/cryptswap1 is not ready yet or not present shows on startup but ubuntu starts normally. I recently installed ubuntu 14.04 as dual boot along with windows 7 using a ...
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0answers
13 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 ...
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1answer
17 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 ...
3
votes
3answers
737 views

14.10 - Swap not available

My swap doesn't seem to be working. I tried to fix it but nothing I tried worked. Here is some relevant information to troubleshoot the problem: During install I chose to encrypt my home folder. Seems ...
3
votes
2answers
2k views

Without having swap partition how to hibernate using only “SWAP FILE”

I found answer near to this question but not exact answer in Ubuntu-forums.I found answer to How to create swap partition after installing Ubuntu. How to create or add swap file to existing swap ...
12
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3answers
3k views

Does 12.04 support hibernating to a swap file?

I'm about to reinstall Ubuntu on a netbook with a tiny disk. Because of the tiny disk size, I'd strongly prefer to have a swap file than a swap partition. However, I want to be able to hibernate. I ...
0
votes
1answer
61 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 ...
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0answers
37 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 ...
1
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1answer
56 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
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1answer
29 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
21 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 ...
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2answers
57 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
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1answer
90 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 ...
2
votes
1answer
34 views

Order between my partitions?

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? Does / prefer as ...
2
votes
1answer
20 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 ...
0
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0answers
41 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 ...
6
votes
1answer
4k views

How do I get Ubuntu 12.04 to recognize encrypted swap partition so that I can hibernate?

I just installed Ubuntu 12.04 and used gparted to erase and enlarge my swap partition. When I rebooted, gparted said that the file partition for the swap was unknown. Gparted doesn't let me change ...
0
votes
2answers
43 views

I can't create both Swap and Ext4 partition

I installed Ubuntu using the dual boot method. My laptop is HP pavilion DV6. It has MBR on my HDD, so I'm limited to create 4 primary partitions. In Windows 8 I have used 4 primary partitions. In the ...
0
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0answers
56 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 ...
2
votes
2answers
35 views

record of swap/memory usage - how to do it?

Here is a quick intro to the problem, but if you're interested only on the question, I think you may skip to the last paragraph. I have installed Ubuntu Mate on my laptop with the recommended amount ...
4
votes
4answers
4k views

Unsafe swap space detected

So I had a Ubuntu 13.04 installation and I had encrypted my hard drive while I was doing installation. I was playing around and mistakenly deleted all the partitions, now I downloaded lUbuntu 13.10 ...
77
votes
5answers
44k views

Why is swap being used even though I have plenty of free RAM?

I thought the whole essence of swap was to act as a temporary storage safety net when RAM was full but my swap partition is constantly being used even though I sometimes have as much as 3GB free RAM. ...
4
votes
1answer
899 views

No swap space. encrypted swap in crypttab not created

Today I discovered that my Ubuntu 12.04LTS doesn't have any swap-space. I installed this system from scratch only some weeks ago. I encrypted all the partitions to me needs. I didn't install any swap ...
0
votes
1answer
21 views

where to put swap ? partitioning a drive for ubuntu and spare ntfs space

I have a spare hard drive. I am not setting up dual boot. I have ubuntu on ext4 at the start of the drive. and want to put a ntfs partition and a swap space should I put swap space between ubuntu ...
0
votes
0answers
55 views

Swap vanished after reboot

I have installed Kubuntu 14.04 with an encrypted home directory. Although I had swap set up during the install, the swap space was not there after installing. This has happened to many people, there ...
0
votes
0answers
11 views

Snort Latency and Ubuntu memory/Swap space

I have snort running on an Ubuntu server. I have noticed that sometimes I get high latency on my network when packets pass through snort. I have also noticed that the Ubuntu server is using about 14Gb ...
0
votes
3answers
56 views

Ubuntu is not finding swap partition

I booted Ubuntu on to a new computer today. I created 3 partitions 20g for operating system 200g encrypted /home and 12g swap. But sudo swapon -s brings up nothing and when I boot it also say swap not ...
0
votes
2answers
37 views

Ubuntu 14.04 LTS swap partition on ACER Aspire 5720 [duplicate]

I have an ACER Inspire 5720 laptop PC (32bits) and will install Ubuntu14.04 LTS on it. The hard drive has a 160 GB capacity with 2 GB Ram memory. I should like to know how much space I have to ...
0
votes
2answers
183 views

Why do programs (including Xorg) close when out of RAM but Swap is near empty?

I have some swap configured and I believe activated... Filename Type Size Used Priority /dev/sda5 partition 7811068 1124912 200 ...
6
votes
4answers
16k views

Do we still need swap partitions on desktop?

I have read this question, but it was asked in the context of servers not desktops or notebooks. If a good amount of RAM is installed on a notebook, say 8 GB, do we still need a swap space?
22
votes
5answers
6k views

With an SSD, do I need to change my swappiness to increase SSD life?

I encountered this article which includes the following suggestion: Swap and swappiness I kept my swap partition on the old HDD. Swap on the SSD would be faster, but would also shorten the ...
0
votes
3answers
57 views

Do I even need a swap partition? [duplicate]

I have 8 gb of ram and use my machine for web browsing streaming and some light gaming. Do I need a swap partition?
1
vote
2answers
296 views

After reboot swap turns off issue

I am using Ubuntu 14.04LTS. I have a problem with my swap partition. I resized swap with GParted. When partitioning, I had to turn swap partition off. After resizing it, I put it back to active (ON) ...
20
votes
2answers
29k views

What to do about “the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present”?

While booting Ubuntu 12.04, the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present is showing. What is this? Is this is an error?
0
votes
0answers
30 views

System crashes when forced to use swap

I'm running Kubuntu 14.04, with encrypted luks. I have 16 gigs of ram, so I don't use swap too often, but when my machine is forced to for one reason or another, it crashes. This can happen from ...
0
votes
1answer
29 views

Resize or turn off encrypted swap

I installed ubuntu 14.04.1 on a 60 GB ssd with full encryption. My PC has 16 GB of RAM. This has resulted in a swap size approaching 16 GB. Can I subsequently change this to 2 GB or completely turn ...
0
votes
1answer
26 views

Expanding partition for more [duplicate]

I formatted the unallocated space to fat32 (don't know if that was right). Now I want to extend my dev/sda5 for more memory as I'm currently getting warnings about my low memory space. Above My ...
0
votes
1answer
37 views

my partitions are wrong

I am using Ubuntu 14.10, when I installed it, I decided to use the recommended option "automatically use entire disk for Ubuntu", this was OK for me 'cause I just use GNU/Linux, after some months ...
1
vote
3answers
3k views

ubuntu 14.04 install with custom swap size using LVM?

I want to install ubuntu 14.04 with LVM and encryption. But the problem is that my computer has a large RAM (16GB) and a small SDD disk (60GB). So I think only a small amount of space for swap is ...
0
votes
2answers
49 views

Resizing swap partition after installing ubuntu 12.04

I have few Gigabytes of unused space on my hard drive. How can I add this extra space to my swap partition?
0
votes
0answers
56 views

swap memory value / percentage meaning

Swap memory can be set between 0 to 100 What Does It means when we set swap memory to .. ? swappiness= 0 Tells the kernel to avoid swapping processes out of physical memory for as long as ...