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
494 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, ...
2
votes
1answer
47 views

swap partion problem

I installed Ubuntu 14.04 from a DVD using 'Install alongside Windows 7. The whole installation went smoothly with no problem. When I restarted I got a message while showing Ubuntu logo: ...
2
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1answer
693 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 ...
3
votes
0answers
667 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
votes
0answers
32 views

Very slow start up

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

Why is the default Ubuntu swappiness 60?

What is the reasoning for Ubuntu's default swappiness being 60?
2
votes
0answers
1k 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
760 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
vote
0answers
27 views

huge cached memory, mostly freez system :(

I have a problem with system memory cache, i think it is bigger than normals. after 5-10 minute of usage, system become unusable and i must restart my "Asus X451-CA" laptop. this command ran upon user ...
1
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0answers
26 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 ...
1
vote
0answers
34 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 ...
1
vote
0answers
132 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 ...
1
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0answers
142 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 ...
1
vote
0answers
162 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
202 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, ...
1
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0answers
54 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
630 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 ...
1
vote
0answers
74 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: ...
1
vote
0answers
78 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
216 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
15 views

What negative consequences can come from disabling access time logging?

I'm using ubuntu 14.04 and I have a SSD hardrive on my Samsung series 9. I'm told to do stuff so that my SSD hardrive doesn't die young :) I have set my swappiness to 1 (from the default 60) to avoid ...
0
votes
0answers
51 views

Removing a primary Swap partition and hibernation (working in OpenSuse but not Ubuntu 14.04)

I have installed Ubuntu 14.04 on my Thinkpad X230. I have 16GB of RAM therefore created a 17GB of Swap Partition during the installation. For some reason, my swap partition was not created properly, ...
0
votes
0answers
15 views

Raw file system in Windows8 on dual boot system

I have recently installed Ubuntu Gnome 14.04 along side windows8. Everything works fine but the F: drive(487MB) is shown as RAW file system in Windows disk manager. Also every time I boot into ...
0
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0answers
28 views

Issue regarding Swap in Ubuntu 14.04

As on my way of Ubuntu Installation, I have encountered an issue regarding swap area. I have selected the root area and i was trying to install Ubuntu on my Windows Disk partition everything was ...
0
votes
0answers
27 views

deleted swap partition, WINDOWS doesn't work

Today i wanted to un install Kali, but i started from deleting swap partitions one 7.8gb and one 8.9gb (i did this in windows) I turned off the computer and to my surprise grub recovery came up. i ...
0
votes
0answers
22 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 ...
0
votes
0answers
49 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 # ...
0
votes
0answers
26 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 ...
0
votes
0answers
192 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 ...
0
votes
0answers
173 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 ...
0
votes
0answers
53 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 ...
0
votes
0answers
21 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!
0
votes
0answers
149 views

Upgrade to 14.04 Memory Allocation Problem

Recently did a fresh install on my laptop to 13.10 to prepare for the LTS release. I started the upgrade process when the updater prompted and read a book waiting for it. When I checked on the ...
0
votes
0answers
35 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
votes
0answers
27 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
24 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
32 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
46 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, ...
0
votes
0answers
60 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
46 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
43 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
42 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
73 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
398 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
43 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
45 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
91 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
596 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
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 ...