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 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 ...
3
votes
1answer
443 views

/dev/mapper/cryptswap1 problem on boot?

Just before the boot logo fades away and the login screen shows, there's a little message that says there was some kind of problem with /dev/mapper/cryptswap1 and I have to press S or M or something, ...
3
votes
0answers
50 views

How could one really get sensitive information from a swap partition?

When I google this question, I only get all sort of information on how to protect sensitive data, how to encrypt swap, and how "dangerous" could be to keep a "normal" swap in a linux system. But I ...
3
votes
0answers
514 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 ...
2
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0answers
24 views

Very slow start up

I am using the following release: LSB Version: ...
2
votes
0answers
37 views

Why is the default Ubuntu swappiness 60?

What is the reasoning for Ubuntu's default swappiness being 60?
2
votes
0answers
930 views

13.04 Swap partition not found

I just installed 13.04 a few days ago. I didn't read the install screens all that carefully and apparently picked the default partition scheme. Now I am trying to build the Thunderbird source and ...
2
votes
0answers
719 views

13.04 :: setting up hibernate + encryped swap under full disk encryption

So I recently installed 13.04 and chose full disk encryption (I didn't bother to encrypt home too - seemed pointless), and I'm wanting to encrypt my swap drive, and also enable hibernate so I can be ...
1
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0answers
28 views

Does ubuntu touch support memory swap?

So, I have android 4.1 on ZTE Blade G. The problem is that I have only 512 RAM, an apps sometimes crashes if I have multiple applications running in the background. I wanted to install CyanogenMod, ...
1
vote
0answers
16 views

Virtual memory or swap memory on ubuntu installed by wubi installer

I am using Ubuntu 32 bit which I have installed inside windows 7 with wubi installer. I have noted that my Ubuntu swap memory is only 256MB and my ram is 2GB. I have tried my best to gain swap memory ...
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0answers
27 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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vote
0answers
110 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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0answers
121 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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0answers
129 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 ...
1
vote
0answers
154 views

Encrypted swap no longer being activated at boot after removing and re-adding it

I have a Ubuntu 13.04 system using encryption for /, /home, and swap. This used to work flawlessly, but then I needed to resize the swap partition. After doing that, and manually trying to set it up, ...
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vote
0answers
53 views

I broke hibernate when I set two distros to use the same swap space

I use Ubuntu as my primary OS, but I have also installed Fedora to see what all the hype is about. I made the stupid decision of making them share swap space, not thinking of the consequences on ...
1
vote
0answers
558 views

'hibernate' doesn't work on xubuntu 12.04

I've just installed Xubuntu on my laptop. All works fine except that hibernating doesn't work. I (successfully) resized the swap partition with GParted but it's still the same. When restarting the ...
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vote
0answers
32 views

Swap bug 100% Increase with two apps running?

Newly installed operating system, nothing download except updates. Firefox currently downloading one file. SWAP at 0% Then I open up Ubuntu software center.. Swap starts rising slowly and slowly . ...
1
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0answers
67 views

How to limit unattended-upgrades swap io usage

I have a daily spike in swap IO usage at the same that unattended-upgrades runs. Besides that time of day, swap IO is rarely used. I recently tried to uncomment these settings: ...
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0answers
33 views

Guide for encypting swap

I am trying to encrypt my swap but having difficulty finding a definitive guide. Also, the command 'sudo apt-get install ecryptfs-utils' does not work. Thank you
1
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0answers
72 views

Couln't hibernate

I couldn't hibernate my system due to insufficient swap memory. Hence, I created a swap partition with the size twice of my RAM. However, when I tried to activate the partition and open fstab file, ...
1
vote
0answers
71 views

Deferred swap files

I'm using a dual boot system with wubi so I have a swap file on /host/ubuntu/disks/swap.disk But I have also found Windows' own swap file and hibernate file are fine swap files, except they need to ...
1
vote
0answers
198 views

Getting 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
votes
0answers
29 views

Partitions Files Not Found after Ubuntu Install

After bootup problems with Windows Vista, I installed Ubuntu 12.04 LTS on my 32bit Compaq Presario. And now cannot find any of my pre-existing Window user files. Think may have something to do with ...
0
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0answers
7 views

Dev box: no swap space to speed up OOM killer

The TLDR: I do bad moves that flood the RAM, I'm curious whether having no swap would spare me the half hour wait for the OOM killer. Before deploying a few machines with a hacky config, I'd like the ...
0
votes
0answers
19 views

Ubuntu 12.04 got freezes many times

I have been experiencing my os ubuntu 12.04 got freezed completely on my dell vostro 2520. In that state, No any key is working. and of course touchpad is also not working. I have to power off the ...
0
votes
0answers
19 views

Is it possible to bypass cryptswap during boot?

I am using Teamviewer to remote into my laptop and the cryptswap password entry during boot occurs before Teamviewer gets executed, meaning that I cannot restart my laptop remotely. Is there a way to ...
0
votes
0answers
22 views

Ubuntu 13.10 hibernate doesn't save the system state

I have enabled the hibernation option as described here. I have the option appearing in the power toggles (both in Unity & Gnone-Shell). When I use it, the computes seems to save everything and ...
0
votes
0answers
33 views

Errors during boot up of ubuntu 12.04 (related to swap, intallation)

I'm using ubuntu installed on usb external hard disk.. During installation, i had to allocate drive for /boot and /swap... I couldn't create a partition within my external hard drive itself... So I ...
0
votes
0answers
60 views

Bug #1061190 still mucking things up. Booting Ubuntu 12.04.4 LTS only and cryptswap1 will not mount. Anyone have solution?

Fresh install of Ubuntu 12.04.4 LTS on a laptop: Asus X64 with EFI boot; (Intel 2117U CPU 1.8 GHz) with 8GB RAM installed; 320 GB SATA HDD, Intel Integrated Graphics, single booting 12.04.4 LTS only. ...
0
votes
0answers
37 views

Ubuntu Server Raid Swap

I installed Ubuntu server 12.04.3 LTS with RAID partition by installator, In free command swap is 0. root@xxx:~# free total used free shared buffers cached Mem: ...
0
votes
0answers
27 views

Swap file not being utilized. Program Killed due to memory

I have set up a swap partition on 12.04, as per the below. #swapon -s Filename Type Size Used Priority /swapfile file 1048572 0 -1 ...
0
votes
0answers
24 views

More disk read/write after decreasing swapiness

I know this may sound absurd but my laptop has Xubuntu Saucy with 4GB RAM. I decreased swapiness from 60 to 7 but now applications take more time to launch and I see disk i/o before the application ...
0
votes
0answers
42 views

swap on lvm2 partition

I have lvm2 volume with two logical partitions, root and swap. My fstab looks like this: ... /dev/mapper/lvm-swap none swap sw 0 0 /dev/mapper/cryptswap1 none swap sw ...
0
votes
0answers
356 views

“Disk drive for dev/mapper/cryptswap 1 is not ready”, tried other resolutions already

So I used this link http://punygeek.blogspot.com/2012/10/ubuntu-1204-how-to-solve-disk-drive-for.html and followed it to a "T" and it worked fine until I restarted. I will explain a little more now. ...
0
votes
0answers
39 views

to make swap partition at least as large as the amount of memory (RAM)

how to make swap partition at least as large as the amount of memory (RAM) in ubuntu 13.04 this i need to do to enable hibernation using TuxOnIce method
0
votes
0answers
36 views

My folder-encrypted Ubuntu 12.04 LTS takes too long to shut down

Recently I re-installed Ubuntu 12.04 LTS, and I encrypted my home folder. When I turn it on, it says dev/mapper/cryptswap1. And like I said in the title, it takes too long to shut down. I've looked on ...
0
votes
0answers
71 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 ...
0
votes
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 ...
0
votes
0answers
412 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 ...
0
votes
0answers
78 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 ...
0
votes
0answers
47 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 ...
0
votes
0answers
78 views

How Can I Successfully Copy User Profiles With An Encrypted Home and Swap?

I followed the instructions in Can't Clone a User Profile? with only partial success. I get an error message that is something to the effect of cannot copy /'olduser' /../'newuser' unable to create ...
0
votes
0answers
53 views

Restore from last hibernation

I am using Ubuntu 13.04 with a swap partition so that I can hibernate my system. It works excellent, I couldn't be happier. Today, I booted my computer and started working from the last session I ...
0
votes
0answers
57 views

Converted drive to swap drive lost data

I went to install Ubuntu 13.04 and had a dedicated partition for the OS. I was hoping to do a dual boot off a second HDD that I had in the computer. Windows 7 is on its own HDD and when I went to ...
0
votes
0answers
51 views

how to change the swap partition and add its space to the / parition

I am running on virtualbox and running out of space .. I have 3 GB swap which is rarely used by the system, I have a good memory capacity and low memory usage. I want to remove those 3 GB and add ...
0
votes
0answers
48 views

cant boot due to encryption and hibernate

Recently I set up Ubuntu on my notebook (with an encrypted home partition) and had the glorious idea of enabling syspend-to-disk and suspend-to-ram, so i installed the package 'hibernate'. Now I ...
0
votes
0answers
126 views

Ubuntu Server 12.04 lts installation error

I`m trying to install Ubuntu Server 12.04 lts from usb stick. When is the partition section in installation I choose use whole disk or something like that... Then comes an error that says swap volume ...
0
votes
0answers
149 views

Does Ubuntu employ ephemeral swap encryption keys?

When at installation the Encrypt Home Folder is checked, will the swap file get encrypted and if so, is the encryption based on ephemeral keys? A key being "ephemeral", does it mean it is redefined ...
0
votes
0answers
122 views

Nautilus trying to mount SWAP?

In my nautilus, I have this annoying drive labeled "Ubuntu 12.10 i386" and when you click on it, it gives the 'cannot mount' error. With a little GParted research, I found out that its the Extended ...