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 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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12.10 Random Freezes [duplicate]

So hi guys i just got ubuntu 12.10 and it just keeps random freezing from using firefox to just the terminal So I hear I had heard that I have swap my memory How do i do this and can any of this ...
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1answer
159 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" ...
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1answer
92 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 ...
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1answer
375 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
32 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 ...
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1answer
32 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 ...
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1answer
408 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 ...
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3answers
438 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 ...
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1answer
389 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 ...
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0answers
123 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 ...
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4answers
8k 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 ...
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88 views

Encryption my home folder and swap area errors

When I was installing Ubuntu I both created "Encrypt my home folder" and "swap area" . and now I get this error for each booting my computer. the error message is this: The disk drive for ...
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2answers
163 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: ...
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1answer
536 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
1k 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 ...
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1answer
164 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 ...
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2answers
267 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 ...
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1answer
111 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.
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1answer
33 views

uninstalling some redundant ubuntu installations

I’m kinda new to Ubuntu and I’m making a slow but safe progress. I had version 12.04 installed, until i upgraded to 12.10, and than it stopped working. Long story short, I had 5 Ubuntu’s installed - ...
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2answers
207 views

Increase cryptswap size

My cryptswap is now 4gb. I upgraded my RAM and I'd like to increase the swap accordingly to approx 8GB. So far, I've reduced the size of my main sda1 partition with GParted by 4gb and I'm left with ...
15
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1answer
14k 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?
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1answer
462 views

GParted cannot identify swap partition on Ubuntu 13.04

I had a major system crash, after which I reinstalled Ubuntu 13.04. The problem was that I wasn't sure about creating a partition for swap using GParted because from what the online tutorials seemed ...
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2answers
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How can I fix “The creation of swap space in partition #6 of SCSI2 (0,0,0) (sda) failed” while installing Ubuntu?

Edit: Updated my question with screenshots I have a 500 GB built-in hard disk. I have 3 primary partition. C: - 100GB - Primary Partition - Windows 7 installed D: - 150GB - Primary Partition E: - ...
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2answers
5k views

Safe to create a swap partition using GParted?

I went through this forum post, and found out that it is possible to install a swap partition after installation of the OS. I just wanted a guide as to how I should do it so as to have it done safely ...
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1answer
70 views

Massive disk i/o on memory reach %70

Previously system became unresponsive when RAM usage reached around %70. It was because of massive disk I/O operation, presumably to swap disk. I tried to tweak swapiness factor and it didn't affect ...
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1answer
202 views

Ubuntu 12.04 LTS install failed. swap partition failed [duplicate]

I recently was lucky enough to get a laptop for free. The only setback is it had no operating system. I burned ubuntu 12.04 LTS to a disk, and when i boot it in the laptop it loads. I tried installing ...
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1answer
123 views

How to copy files from swap space? [duplicate]

I'm a newbie to Ubuntu. When I was trying to install Ubuntu 12.04 on my laptop, I chose one of major partitions (60G) which contains lots of important files as a swap space. After completing the ...
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0answers
31 views

resized drive and swap drive not working - help

I used Gparted to re-size a virtual drive. The swap drive is there but is not being used by Ubuntu. Device Boot Start End Blocks Id System /dev/sda1 * 2048 186660863 ...
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0answers
549 views

Suspending does not work. Ubuntu 12.04

I had set the swap file at 0 size, at installation, so I cannot hibernate. However,my RAM should do for the "suspend" function(I think).But whenever I suspend my system, it just starts from the very ...
3
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2answers
2k views

Swap partition not recognized (The disk drive with UUID=… is not ready yet or not present)

I think I had an encrypted swap partition, because I chose to encrypt my home directory during the installation. I believe that's what the line with /dev/mapper/cryptswap1 ... in my /etc/fstab is all ...
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1answer
5k views

Creating a swap file or swap partition on the SSD/HDD [closed]

I have Linux Mint 13 LTS which is based on Ubuntu 12.04 LTS. I installed it on my SSD and will use the HDD for data storage only. When installing the OS I skipped making a swap file/partition. The ...
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0answers
137 views

How to swap left Alt with left Win and use left Alt as 3rd level chooser?

How can i do such things as swap left Alt with left Win and use left Alt as 3rd level chooser? If I use both the swapping does not take effect but my Alt key is 3rd level chooser and Win key opens ...
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2answers
674 views

Swap partition on 13.04 not working

I have installed Ubuntu 13.04 on my Dell Studio 1555 laptop and the swap partition isn't mounting or the system is just not using it. I have been using Ubuntu sense 10.04 and have never had this ...
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1answer
70 views

Endless swap operation slows computer to a halt. How to fix?

Every so often--usually when I have lots of programs open--my laptop starts doing what I think is an endless swap operation. The hard drive writes and reads like crazy, and the mouse stops being ...
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1answer
80 views

How should I use Unionfs or similar in a computer lab to “freeze” /home?

Lab computers need to be "frozen." We'll be switching our XP lab of about 30 computers over to something else this winter, and I'm making a couple of proposals, one of which is LTSP, and another is an ...
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0answers
156 views

The Ubuntu installation does not create swap partition

The Ubuntu installation does not create swap partition. This issue happen with both 12.04.2 and 13.04. I tested it with two diferents pc and with a virtual machine in virtual box into Ubuntu. I tried ...
0
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2answers
127 views

Creating Partitions [closed]

I want to install ubuntu 12.04 lts 64 bit. Can I partition my hdd like this? /boot - 1gb; / - 100gb (this much since I'm planning to have a virtual OS inside ubuntu); swap - 4gb (I have 2gb of ...
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1answer
1k views

I have 4 GB ram.. what should be the perfect swap partition size? [duplicate]

I heard that swap memory partition should be double the size of ram.. is it true? so I have to keep 8 GB swap space? I'm gonna install Ubuntu gnome 13.04.
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1answer
2k views

“Failed to create swap space” error during installation

I've been trying to install Ubuntu for the past two days or so, but I've been running into a problem: every time I run the installation program on the LiveCD, I always get the same (or a very similar) ...
2
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1answer
2k views

Creating a Dedicated swap hard drive

How can I create a dedicated hard drive to do "swap"on a ubuntu 12.04 LTS?
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1answer
515 views

Linux Swap is really needed? Accidentally Deleted

My DELL laptop having 500 GB hard-disk, I plan to install dual OS in it, So I re-size the disk using Gparted and my primary OS is Ubuntu 12.10. While resizing my disk, its displays an error only four ...
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1answer
196 views

How to expnad size of root partition, and using Swap Partition

My computer have 500 GB hard drive, and partition table as following 367 MB - Windows 8 Loader 104 GB - Windows 8 332 GB - Personal Stuff 64 GB - extended from above partition previously it was ~400 ...
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0answers
86 views

swap file error in fstab

recently i reinstalled ubuntu, a new virtual volume is located at /dev/mapper/cryptswap1 i added to fstab the following /dev/mapper/cryptswap1 none swap sw 0 0 now every time i boot ubuntu it shows ...
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0answers
51 views

How to recover the drive that is lost due to swapping?

During the Ubuntu installation, I selected a drive (partition) for the swap. I didn't know that, after the swap worked, I won't be able to access it and now its giving me a headache. I would like to ...
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1answer
53 views

logical swap shown as 2 separate partitions. Extended and Swap

i would like to ask why Ubuntu disk utility shows my 12gb logical swap partition, as if there were 2 different partitions? I just set 12gb for swap and made it logical. Was this a wrong decision? Why ...
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2answers
97 views

Swap space too little

My machine is running Ubuntu 12.10 with Gnome 3.6; I have 2GB of RAM and I have allocated 1 GB of swap space during installation. And I am not running out of it anytime (as I'm aware/think so), ...
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1answer
57 views

Encrypted Swap Causes Boot Crash

I have been trying to solve this problem for a while now. I encrypted my home folder and the swap area and now when I select the first option in the boot loader the OS freezes. I tried reinstalling ...
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2answers
283 views

Why am I unable to create a SWAP partition?

I created the SWAP partition in GParted after resizing my Ubuntu partition. All the operations went off smoothly. When I right-clicked the SWAP drive, it showed "SWAPON", so I clicked it & it ...
2
votes
1answer
91 views

How can I enable two installed versions of Ubuntu to use a common swap space?

I have an Acer Aspire One AO751H, and I've got two Ubuntu versions on it: 10.04.4 LTS Netbook Edition (which I keep around mainly because I really like the user interface) and 12.04.2 LTS. I have ...