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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How to partition a small SSD alongside an HDD when installing Ubuntu

There is both a HDD and a 24GB SSD in my Ultrabook. I will install Windows (for testing in feature, as its free in university) in the HDD. I need to decide what to do with Ubuntu, as its the system ...
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1answer
27 views

NEW Ubuntu USER SWAP

i'm new to ubuntu website and operating system, and as I am very curious, i searched some topics, and i noticed something called SWAP,i know its supposed to be twice the physical ammount that we own, ...
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3answers
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Do I need a swap partition? [duplicate]

I have 4GB of RAM and I want to install Ubuntu. Do I need a to have a swap partition? Because my computer has 4GB RAM, I do not think it is necessary to have a swap partition. If I do need to have a ...
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1answer
2k views

swapon: /dev/sdb1: swapon failed: Invalid argument

I am unable to mount a swap partition Terminal code: Device Boot Start End Blocks Id System /dev/sdb1 2048 7831551 3914752 82 Linux swap / Solaris ...
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2answers
227 views

How to mklink /home/ to a new empty partition [duplicate]

Due some weird issues with my current lubuntu I'm going to do fresh installation. But when I install lubuntu I need to do two things that I probably can't perform because I'm newbie. I'm going to ...
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1answer
2k views

Encrypted home partition + encrypted swap + working hibernate

I would like to set up disk encryption on Ubuntu 13.10 such that I have plain / encrypted /home partition encrypted swap partition working hibernation and resume As these requirements suggest, ...
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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 ...
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0answers
29 views

How to define new swap space since the previous one as a partition has been removed? [duplicate]

How to define new swap space, which is currently not present on my system at all? Preferably to set on the system partition, not a new one. I do not have swap partition, which has been used only for ...
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1answer
84 views

Adjust new swap memory

Currently, my system have 2 GB swap memory, in the following structure- /dev/sda1 --linux-swap -- /dev/sda2 --ext4 -- System installation Unallocated --unallocated -- Now I want to ...
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1answer
195 views

How much swap space should I configure? [duplicate]

How much swap space should I have? I have a 500GB HDD and 6GB RAM. My specs: Release 12.04 (precise) 64-bit Kernel Linux 3.8.0-34-generic GNOME 3.4.2 Memory: 5.7 GiB Processor: Intel® Core™ ...
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3answers
505 views

Is this partitioning scheme for Windows7/Ubuntu fine?

This isn't an exact copy of my previous question. I have an ASUS K53U laptop with Windows 7 64-bit installed. I want it to dual-boot with Ubuntu (Linux-Secure-Remix, preferably). I have previously ...
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1answer
52 views

Swap partition usage

I created a 7.5Gb swap partition when I installed UBUNTU 12.04 on my 80 GB hard disk. My system runs with 512Mb RAM. I am not sure if this SWAP partition size is right. I also would like to know if ...
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2answers
501 views

Why does Ubuntu install default to minimum swap partition size?

When installing Ubuntu unless you do a manual partition, you get roughly and x+.5 MB swap space, where x is the amount of ram present. At least this has been my experience. I that official Ubuntu ...
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1answer
75 views

hibernate is diabled on ubuntu 13.04? [duplicate]

I'm using ubuntu 13.04 and hibernate is disabled Do I need a big swap file to enable hibernate ? How ?
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1answer
32 views

Ubuntu 12.04 swap USB [duplicate]

I'm new in ubuntu and I tried to install the alternate CD in my machine. Everything went fine but when I tried to boot a black screen and a blink cursor went on. I can boot from my USB and searching ...
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2answers
488 views

Is putting swap on a USB2 flashdrive practical?

After searching here, I found no direct answer to: Is it practical to put swap on a USB Flash drive? I do not yet know if the teeny-tiny flash drive (Fit CZ33 ) I wish to use runs at high-speed (480 ...
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1answer
59 views

What is the role of the swap space? [duplicate]

This has been something that I've wanted to ask for quite a while, but I just haven't. When Ubuntu is being installed there is an option where swap space can be assigned, at least in the custom ...
2
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2answers
184 views

Performance tuning - multiple swap partitions? (command-line)

SUMMARY Does Ubuntu take advantage of multiple swap partitions on separate physical media, from a load sharing point of view? i.e. if one drive with a swap partition is burdened with i/o, will it ...
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2answers
936 views

Sharing of swap partiton between linux systems?

I have a laptop on which I have installed Ubuntu 12.04 and Windows Now just for learning purposes I am going to install Backtrack OS on it. My laptop has 4 GB of RAM so according to the ...
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1answer
289 views

The Creation of Swap Space in Partition #9 of SCSI3 (0,0,0) (sda) Failed

I am trying ubuntu 13.04 from sandisk cruzer blade. I want to install it . I created a partition of 25 GB. I formatted to ex4-or something like that and mounted it to- / But I am reciving - The ...
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2answers
1k views

Swap on Ubuntu: No primary partition

I am running Ubuntu 13.10 64bit on a system with 4GB RAM, dual booting with Windows Most people say that it is good to have swap on a system, and results in speed, so I used it with my previous ...
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1answer
48 views

ubuntu 12.04 2D hibernatization

I'm pretty noob in linux OS. I chose ubuntu to start with, because is most user friendly. But i can't make him go to hibernate. I have 2 gb RAM and 4 gb SWAP, i follow the instructions to enable ...
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1answer
325 views

Wubi install: How to increase swap size

I am trying to increase the swapfile size on my WUBI install. I followed the answer here: sudo su swapoff -a cd /host/ubuntu/disks/ mv swap.disk swap.disk.bak dd if=/dev/zero ...
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2answers
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What is the safest way to remove a swap partition?

I am running Ubuntu 12.04 on a 64-bit HP laptop with a 16 GB flash drive. I do not have a working hard drive right now. When I installed Ubuntu, I created a 2 GB swap partition on sdb1. I have since ...
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1answer
193 views

Issue with increasing the root partition from the swap

I have an issue with increase the size of my root partition. I have ElementaryOS Luna, and while installing it asked me how much space I want to use. I choosed 15 GB for it, because I want to use this ...
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1answer
916 views

Make my Ubuntu, use more swap than RAM

So, I have 786 MB RAM with 1.6 GB Swap. I want to increase the usage of swap. In other words, i want my Ubuntu to use more Swap than My RAM. Please Tell me, how to do it
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4answers
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Does swap file usage increase disk I/O and CPU load?

Someone brought to my attention that if an application is using swap file (when system RAM is very low) it increases the disk I/0 and as a result of that, CPU use % and CPU Load increases. Is this ...
2
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1answer
129 views

swap problem in ubuntu 12.04

Having problem with swap. Actually, in the system monitor it shows swap is not available, and then I installed GParted partition editor. There is a partition named /dev/sda7 and file system is ...
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2answers
13k views

How to increase the size of linux-swap partition

I want to increase the size of Linux-swap partition after installing ubuntu(not during the ubuntu installation wizard). I want to increase /dev/sda9 partition from 9.31GB to 16 GB.Please help me.
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1answer
1k views

How to add swap file to Ubuntu 12.04 [duplicate]

I have at Ubuntu 12.04 swap size the same as my RAM - 1Gb. I want to increase this a little bit, till 3Gb. Increase 2Gb of swap size. I read SwapFaq but I can't understand how to keep having this ...
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2answers
67 views

Swap drive not operating correctly

At first, I started seeing the warning signs. The halting pages. The molasses speed of the windows closing. The pictures not rendering. Then, I took action. Recently I added a swap drive to my ...
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1answer
164 views

Heavy applications lag Xubuntu

Ever since i started using Xubuntu I have noticed that whenever I run any heavy application like Eclipse, Tomcat Server or even when I open sites like facebook in multiple tabs in the Web Browser my ...
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1answer
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Disk doesn't contain a valid partition table - partition table entries are not in disk order

I am in need of some help. I am completely new to linux. I have created and installed a Unbuntu 10.04 server as a virtual machine that is running in a Citrix Xenserver 5.6 Fp1 environment. While I ...
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2answers
4k views

How can I enable zswap?

Ubuntu 13.10's release notes mention that it includes Linux 3.11, which supports something called zswap: Zswap is a lightweight, write-behind compressed cache for swap pages. It takes pages that ...
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1answer
296 views

Swap not available on System Monitor

I had a swap partition of 1GB (RAM 1GB, Ubuntu 12.04 lts). Now swap is not shown on System Monitor neither can I hibernate my pc (sudo pm-hibernate). blkid output: /dev/sda1: UUID="B8B4FBB1B4FB706C" ...
0
votes
1answer
115 views

Swap drive not turning on when I log in

Recently I added a new 40GB hard drive as swap. I want the swap to be enabled when the computer logs me in. I followed the directions here to make the swap command run on start up. I added ...
2
votes
1answer
866 views

Can't reduce swap size

I'm building my first Ubuntu Server and I'm struggling with with the swap size. I have 16GB RAM, however disk space is limited as I'll be running multiple VM's. That's been said, I've created a ...
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0answers
41 views

What should I do with this apparently redundant swap partition?

I have a machine running Ubuntu Server on an encrypted LVM, with an encrypted swap partition. After I unlock the LVM during boot, I get this message: The disk drive for ...
0
votes
1answer
35 views

How can i install more partitions,i have two i think swap and primary i guess?

My friend was on skype explaining to me how to install linux so we didnt take whole hard disk space for linux he said that later i can always edit that and add partitions,i dont even now how to check ...
0
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1answer
521 views

`ubuntu--vg-swap_1 is not ready or not present` whenever I boot, what it means?

Every day since I installed Ubuntu 13.04 I get an error when I boot. It's like this: The write station for /dev/mapper/ubuntu--vg-swap_1 is not ready or not present (I'm dutch so it can be ...
1
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3answers
643 views

How to get back lost capacity after using Gparted?

I have a laptop with a single Intel 80GB SSD. I originaly only had W7, but installed Ubuntu on a small partition of this disk. Recently I wanted to expand the partition containing Ubuntu and so booted ...
1
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1answer
420 views

Grub rescue after windows install

Disaster, Please, Help ASAP. I had a dual boot on my pc with windows xp and lubuntu linux. Then recently i had some windows errors and decided to install windows 8 instead of xp. So after i ...
2
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0answers
207 views

Ubuntu crashes with high memory use without swapping

I'm running some memory intensive calculations on Ubuntu 13.04. I have 8 GB of RAM, and a swap partition with the same amount of memory. The hard disk and swap partition are encrypted. › free -m ...
8
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4answers
17k views

Put swap on SSD or HDD?

New installation coming up. 120gb SSD for OS and HOME and 1tb HDD for storage. 16gb of ram which means 16gb of swap if I recall correctly. SSD space is too valuable for a swap partition right? If my ...
0
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2answers
210 views

Is ubuntu swap enabled

I have installed ubuntu in my computer, later, I format a partition as linux swap and want to replace it with existing tmp directory under mount point /. I followed procedure given in this link: ...
0
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1answer
570 views

Installing Windows 7, UBuntu 12.04 and Fedora 18 (19) in triple boot with SWAP and Files space in HDD

I'm new... but, i want you to help me... I want a Triple-boot, Windows 7, Ubuntu 12.04 and Fedora 18.. or 19...and i found this post (question...(?) How do I triple-boot Ubuntu, Fedora and Windows 7? ...
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3answers
2k views

/, /home and swap partition sizes when using multiple drives [duplicate]

I'm about to install Ubuntu 13.04 on my computer and I'm wondering how big each partition should be. I read that the swap area should be twice the size of your install RAM and I figured /home should ...
0
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1answer
185 views

Installing Ububtu 12.04 on Dell Inspiron N5110 already having 3 active partitions

The Dell Inspiron N5110 already has 3 active partitions - BOOT FAT 32 (44 MB for Dell Diagnostic tools) RECOVERY NTFS (15 GB) SYSTEM (192 GB ) Option 1 :-I can shrink the system volume and install ...
0
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2answers
412 views

Swap partitioned drive not able to access

I am new to Ubuntu however I installed it on drive (D) as my other partition (C) has Windows installed. I had selected a partition (F) for swap area while installing. Now I have un-installed ...
0
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1answer
116 views

Does Swap Space Use Real RAM To Keep It On?

I would like to know if having swap space, uses RAM/Memory to keep the swap space 'active', even though the swap space is virtual RAM.