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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4
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323 views

Slow shutdown caused by cryptswap

After upgrading to 15.04 my computer takes a very long time to power off. Hitting escape during shutdown shows messages like so: (1 of 6) A stop job is running for /dev/disk/by-id/dm-uuid-CRYPT-PLAIN-...
3
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0answers
53 views

Is it possible to suspend applications?

The main idea is to add a "suspend" button to the title(behind the "quit" cross button) of the application window that will copy the memory taken by application to swap/local storage with pid ...
2
votes
0answers
43 views

Swap being used and performance sluggish even though I have 8 gig of RAM?

I have read Why is swap being used even though I have plenty of free RAM? the thread, which was very helpful, however I have 8 gigs of ram installed, (mentioned in the thread as masses of ram), and am ...
2
votes
0answers
32 views

Force push process to swap

I am running Ubuntu 12.04 on Chromebook. There is couple semi-unneed processes like Google Chrome running in background which I can't just mask via 'chmod -x' or kill since they respawn again (anyway, ...
2
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0answers
49 views

Swap is still being used heavily although swappines has been set to 5

I run ubuntu on 4 Gb of RAM, and found the system still using 20% of Swap although the RAM is only 57% full and swappiness set to 5. The result of cat /proc/sys/vm/swappiness is 5. Is this is ...
2
votes
0answers
368 views

15.04 Swap won't “stay decrypted” (both Disk and Home Directory encrypted)

I just installed Ubuntu 15.04. During installation, I enabled both full disk encryption and home directory encryption. I then proceeded to install several applications. While installing these with ...
2
votes
0answers
402 views

Chromium build fails due to `out of memory` allocation

I am trying to build chromium content_shell. But it fails at the last linking stage because of out of memory. Error Log: [1/1] LINK content_shell ... /usr/bin/ld: out of memory allocating ...
2
votes
0answers
411 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 ...
2
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0answers
51 views

Very slow start up

I am using the following release: LSB Version: core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-...
2
votes
0answers
89 views

Why is the default Ubuntu swappiness 60?

What is the reasoning for Ubuntu's default swappiness being 60?
2
votes
0answers
459 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 ...
2
votes
0answers
282 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 ...
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
885 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
50 views

How to Install Ubuntu Server without swap?

I have a 256GB solid state drive on which I plan on installing Xen and a few VMs. For the host (dom0), I want to use Ubuntu Server 16.04 and have it take up as little space as reasonably possible. ...
1
vote
0answers
85 views

Adding swap takes 90 seconds?

Adding SWAP takes 90 seconds on my Lubuntu 14.04 machine. I dont know why this happens, it makes my computer boot very slowly. How can I resolve this? My RAM is 2 GB, HD is 250 GB with only one ...
1
vote
0answers
56 views

Hard freezes when RAM is exceeding

I have 8GB RAM, when memory is exceeded (chrome + vbox + something else): hard mouse freezes permanently lit SSD led in 90% of cases I can't login in tty, system without any response, necessary to ...
1
vote
0answers
24 views

How can you setup encrypted swap with swapspace?

Command swapspace can be used to have dynamically sized swap memory, but how do you setup encryption with it?
1
vote
0answers
58 views

Unable to enable swap in Ubuntu MATE 15.10

I recently installed a fresh copy of Ubuntu MATE 15.10. I chose to encrypt my Home folder, upon using the system I noticed my swap partition was not enabled. I checked my /etc/fstab and saw it had ...
1
vote
0answers
126 views

Error when hibernating : “PM: Swap header not found”

I am using Ubuntu 15.10. My swap partition: $ swapon -s Filename Type Size Used Priority /dev/sda2 partition 3144700 2460 -1 and in /...
1
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0answers
258 views

Install Ubuntu with full disk encryption - /dev/mapper/vg-root does not exist

I want to install Ubuntu with full disk encryption without swap. Therefore I've followed: Install Ubuntu 15.04 with full disk encryption, but without swap partition It didn't work, thus I've also ...
1
vote
0answers
55 views

swap partition crashes 14.04/12.04

Hardware: Acer Aspire ACX-603-UR10 8 GB RAM Blue WD010EZEX 1 TB HDD -- or -- Green WD30EXRX 3 TB HDD -- or -- Samsung HM251JI 250 GB HDD Seagate ST3160815AS 160 BG HDD (Windows 8.1/now upgraded to ...
1
vote
0answers
68 views

Extremely slow OS. Swap related?

I really hope you can help me. An inexperienced sysadmin, installed Ubuntu on a new Dell Desktop, it's a pretty powerful machine, and I ran a bunch of hardware tests, and can confirm that RAM/HDD and ...
1
vote
0answers
62 views

Booting failed after enabling swap and installing uswsusp

After reinstalling Ubuntu 15.04, my swap partition was not active which is why Ubuntu did not hibernate. I followed steps given in this answer . I edited /etc/fstab/ by typing sudo nano /etc/fstab in ...
1
vote
0answers
112 views

Swap is super slow on Xubuntu

Swap is somehow super slow on xubuntu. I have 8GB ram running vivid 15.04 Xubuntu. When ram usage reaches around 7+gb ... the hdd light goes crazy (actually, it just stays on) and stuffs get dumped ...
1
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0answers
65 views

How to swap Caps with Left Control and change layouts using Caps Lock+Swith (grp:shift_caps_switch)

I already tried a lot of methods for changing this and none of those worked. I used xmodmap and setxkbkey but it both ways there's always problem with setting it. However, using those methods don't ...
1
vote
0answers
26 views

Why does my Eee PC try to mount the extended /swap partition?

In PCManFM on the left side there is a volume called "1,0 KB Volume". When I click on it, it shows an error message that it can't mount /dev/sda2, but /dev/sda2 is extended partition with the swap ...
1
vote
0answers
101 views

default ubuntustudio 15.04 install crypto passphrase works fine except for swap

I did a fresh install of ubuntustudio 15.04 (64b), with activated encryption. I sometime get a request to provide a passphrase for ubuntu--studio--vg-swap_1, for example if I execute sudo service isc-...
1
vote
0answers
222 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 present&...
1
vote
0answers
772 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 /etc/default/...
1
vote
0answers
35 views

Increasing Swap file

I looked at various Q's all ready asked, but did not see my problem. I am trying to increase my swap by using GParted Partition Editor as in How to increase swap space? I try to resize/move, but it ...
1
vote
0answers
64 views

How do you move a LVM crypto swap partition from sda to sdb?

I have LVM configured for an encrypted home folder. Naturally this implies that swap falls into the crypto catagory. I have installed a second disk with a swap partition already ready to go and ready ...
1
vote
0answers
116 views

Lot's of swap is in use but ram has plenty of free space

To fix the issue(system freeze when copy large file) i changed the scheduler from cfq to deadline. I am not sure that scheduler affect the swap uses or not. I have 8 GB of ram, 2.0 GHz corei7 ...
1
vote
0answers
340 views

TuxOnIce hibernate error “seeking to free XXXXMB of memory” on Ubuntu 14.04

My desktop PC did not support for hibernate on Ubuntu 14.04. Therefore, I installed TuxOnIce (kernale 3.13.0-36-generic-tuxonice) to enable hibernate feature. Now, the hibernate feature works fine on ...
1
vote
0answers
257 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
265 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
vote
0answers
691 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 ...
0
votes
0answers
11 views

Kubuntu and ASUS X200M

I have an ASUS X200M and Windows 7 or 8 is not able to run. I do not know how it got corrupt because I am definitely not a computer expert. I am a newbie to the Linux system but I do like the ...
0
votes
0answers
19 views

RAM used by processes does not add up to the total RAM using top command

The total RAM used is about 5GB but I am not running just a few processes as shown in the the picture. I try to find which process is eating most of the RAM, but the result is from top command is not ...
0
votes
0answers
14 views

The disk drive for XY is not ready yet or not present

At first I'd like to clarify, how I got to this messages. I wanted to create a system disk image (120GB SSD) to disk for data / backups (750GB HDD), so I created live USB, booted and run a command for ...
0
votes
0answers
41 views

How to decrease the swap memory in Ubuntu 14.04

While dual booting Ubuntu 12.04 on my 32 bit laptop along with Windows 7, I had little knowledge about partitioning memory, and so I ended up setting 100 GB as the swap memory. After a while I ...
0
votes
0answers
109 views

Hibernate does not work on Ubuntu 16.04?

I followed some threads here and was able to enable the hibernate button on the top right menu. But when I hibernate, my laptop screen goes off but the laptop is still running. I know that because the ...
0
votes
0answers
20 views

Hibernation stopped working after changing the swap partition

I usually always do sudo pm-hibernate to save my development session. Now I recently switched to ubuntu and since then I always run into some hibernation trouble. Sometimes the system would crash ...
0
votes
0answers
35 views

Increasing available RAM temporarily on Raspberry Pi 2

I recently tried to compile Github's Atom on my Raspberry Pi 2, but after getting past the first error and trying again, it aborted in the middle of the build. Looking in the log showed that it ...
0
votes
0answers
33 views

how to set swap space of double the ram during installation?

I am having serious problems with my administrator password which I am still dealing with with not much help from here, anyway, after I am done with this I plan to reinstall 14.04 LTS (since the ...
0
votes
0answers
25 views

Ubuntu 14.04 Clear Swap when RAM is full

I am running a python program that, for some reason, goes crazy once in a while. I am then forced to kill the program but the RAM and Swap used by the program is not released. This causes the hanging ...
0
votes
0answers
21 views

Swap priority gets set to -1 on each boot

I have a swap partition of size 7.9 GB. When I use the command free, it shows this: NAME TYPE SIZE USED PRIO /dev/sda7 partition 7.9G 0B -1 The swap partition is not being used and ...
0
votes
0answers
61 views

Swap partition is not mounted by default at boot in ubuntu 16.04 after resizing partitions

I resized my ubuntu partition using gparted from a live cd. I first turned off swap, then deleted it. Then I resized the partition and created a new swap and turned swap on and rebooted. After that, ...
0
votes
0answers
46 views

ubuntu system partition is running out of space and the swap partition is 16GB

This is the output of lsblk on my server: NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 64G 0 disk ├─sda1 8:1 0 ...
0
votes
0answers
13 views

Is it beneficial in any way to have two swap partitions on the same extended partition with the same priority?

I read somewhere that I can speed up the swap process if I make more than one swap partition with the same priority on different drives. I was wondering if splitting the swap partition I have on my ...