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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207 views

How to make hibernation work again on 15.10 after disabling encrypted swap

on my clean install of Xubuntu 15.10 I am unable to make hibernation work, although it's been working on my laptop successfully since 11.10 or so. The only thing changed is that I have selected "...
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1answer
43 views

How to enable unused swap disk?

After some months of use I've found out that my system has no swap memory available. I urgently need it in order to build some huge software projects. cat /proc/meminfo prints the following: ...
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2answers
34 views

swap partition limits my drive

why is the swap disk not just a file inside the main partition? setting as a seperate partition limits my ability to extend 1 partition for anaother O.S.
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0answers
360 views

Why Ubuntu 15.10 won't free cached RAM?

Description of the problem: The issue I'm having is that kswapd seemingly randomly goes into a wild spin and my laptop becomes totally unusable. (edit) This is not a problem if insufficient memory....
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0answers
56 views

Cannot allocate memory and file name too long

I am working on my bachelor thesis in cooperation with a commercial company and before I can start actively developing, I must run some kind of regression tests they have. Test script is written in ...
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1answer
44 views

Graphic aberrations when swapping

Ever since I started to use Ubuntu on my ThinkPad X200, I have noticed that in certain situations certain graphical elements (desktop backgrounds, button icons, text) will become distorted. You can ...
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0answers
14 views

When does disc swapping happen?

How/When does Ubuntu decide to swap to disc? For the sake of argument, let's say I am running one or more Fortran/Python programs that require more than the 128GB RAM available on the server. ...
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2answers
309 views

Will Ubuntu 15.04 create a swap partition with the default installation?

I am going to install a fresh Ubuntu 15.04 on a Lenovo X1 Carbon. I plan to select the default Erase disk and install Ubuntu option and tick both Encrypt the new Ubuntu installation for security and ...
0
votes
1answer
67 views

Long running kiosk application eats up memory without freeing it

I've a long running application built with PHP/HTML/CSS3/JS running on Chrome on a Ubuntu Server 14.04.03. I've set everything up to make it work and let it run for some days. I've noticed something ...
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1answer
38 views

Accidently added linux swap partition to windows without formatting [closed]

The PC no longer had Ubuntu, I had already added the Ubuntu storage partition to windows but forgot to add the swap partition. Some days later I added the swap partition to windows through windows by ...
2
votes
2answers
65 views

How can I redetect swap partition after formating to enable hibernation

I had this setup working on my laptop: /dev/sda1 (ext4) / /dev/sda2 (ext4) /home /dev/sda3 swap partition /dev/sda4 (ntfs) /media/windows After getting sick of windows, I removed the last partition....
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4answers
919 views

disk requirements for 15.04

How much space does Ubuntu 15.04 (64 bit) use on a SSD disk? How much swap space to assign for standard desktop usage?
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1answer
28 views

SWAP increasing during network traffic

I have a huge HDD with /home mounted and a small SSD with / and swap (6GB for the latter, 5.7GB shown in Ubuntu 15.04). From another computer, I initiated writing into my HDD. I intend to transfer ...
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0answers
252 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 ...
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votes
3answers
475 views

How should I customise partition sizes for my installations?

I've been using this guide as my go-to for how to install Ubuntu onto my desktops, particularly the partition scheme: http://www.tecmint.com/ubuntu-14-04-installation-guide/ However, I've realised ...
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0answers
26 views

dual boot / mac10.10 & ubuntu14.04.3 with SWAP and shared data partition

The 128GB SSD on my macbook air (mid 2011) crashed. I'm getting a new SSD frow OWC with 480GB. Should be installed tomorrow. I would like to take this opportunity to grow back towards Ubuntu, ...
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2answers
52 views

I increase my ubutu performance withough swap partition? [duplicate]

I ever install Uuntu withough swap partition or file, is that ok?, or i must create one? How can i see if i need it
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votes
1answer
82 views

How to use all unused swap partition?

I am sorry if my question is repost from another, but this is quite confusing to me. First, I will start with my situation. I have a Laptop with 8GB RAM and 320gB HDD. I install Ubuntu 14.04 x64 to ...
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2answers
220 views

How to create separate swap partitions for 2 linux distro

I have triple booted my laptop with those OS and also installed them in this order: Windows 8.1 Pro, Ubuntu 14.04 LTS, Kali 2.0 When installing Ubuntu, I also created a swap area (8 GB) for it to use ...
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0answers
62 views

Ubuntu fails to boot after deleting swap

System: Ubuntu 15.04 64 Bit (only OS on the machine, only 1 hard drive). I chose "encrypt my home folder" during the installation. In system monitor I see a swap partition available but GParted shows ...
0
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0answers
41 views

Triple Boot, Swap Area

Currently have Windows 8.1 Pro and Ubuntu already running on my system. Ubuntu has swap area of around 4 gigs. I am manually doing the partitioning for the new distro (kali 2.0) which I'm installing. ...
1
vote
1answer
85 views

Can swap be used instead of RAM?

I have an older netbook that I love. It's currently using a relatively recent version of Lubuntu. The hangup is its relatively low amount of onboard RAM: 1GB. This amount also cannot be updated as it ...
1
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0answers
54 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 ...
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2answers
129 views

Ubuntu 15.04 not using swap

I am running Ubuntu 15.04 on my Dell laptop. For some reason Ubuntu is not using swap. The swap partition is created: Device Boot Start End Sectors Size Id Type /dev/sda1 * ...
0
votes
1answer
126 views

Slower boot after installation with encrypted home directory

I have installed Ubuntu 15.04 x64 recently. I have observed that in comparison to non-encrypted installation, the installation with encrypted home directory results in slower boot time: without ...
2
votes
1answer
108 views

Swap partition mount error

Every time Ubuntu startup, a message is displayed : Partition is not mounted, continue to wait, press S to skip mounting, or M for manual setup. # swap was on /dev/sda1 during installation ...
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votes
4answers
223 views

swapon has no effect, /proc/swaps remains empty

My Ubuntu server has no more than 512 MB of memory. It is not enough for running Node.js + MongoDB. Hence I decided to add a swap file: # dd if=/dev/zero of=/root/myswapfile bs=1M count=1024 1024+0 ...
0
votes
1answer
63 views

Why server uses swap [closed]

My server has 64GB total RAM and currently the server has 13GB free. But, it takes the swap. What will be the reason? The server using numactl.
1
vote
1answer
107 views

Can't unmount ext 4 in gparted

I wanted to add extra swap to my pc I followed lots of tutorials but i needed to make a unallocated partition and for that I needed to unmount ext4 I'm totally new in Ubuntu or linux Anybody a ...
0
votes
1answer
26 views

why the swap partition is not working

i have setup fully encrypted lvm on my laptop,it have created a swap partition also.But why system does not recognize the swap partition? here is the screenshot link
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votes
2answers
68 views

How to add swap area? [duplicate]

This is the status of my system: $ grep 'Swap' /proc/meminfo SwapCached: 0 kB SwapTotal: 0 kB SwapFree: 0 kB Please let me know how can I increase the swap area without re-installing.
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votes
0answers
75 views

Unlocking at boot time Luks LVM

This is my first question, but let me start by saying how much of a big fan I am up this site. Every question I ever had over the last 4 years has been answered here and I am so grateful for the help ...
11
votes
4answers
15k views

Why no swap partitions on SSD drives?

I often read that one should not place swap partitions on a SSD drive, as this may harm the device. Is this true? Can you please explain the reason to me? Because I otherwise would have thought that ...
0
votes
0answers
92 views

Ubuntu 14.04 Increase swap file size

So I am new to Ubuntu and Linux but I am learning. How do I increase the size of the swap file? I have been researching posts and have not found a solid solution. Based off previous post here is the ...
2
votes
1answer
199 views

With 128GB of physical RAM in my repurposed server, do I need swap space at all?

I have seen people asking question about the necessity of swap space with various amounts of RAM installed, but my question is one to two orders of magnitude larger in the respect of installed RAM. ...
0
votes
2answers
465 views

SSD - safe to use hibernate?

In a couple of days, I'm going to buy a new notebook (Asus N551, should it matter), tending to replace the HDD with a Samsung EVO 500GB SSD. Now, I've often read that one should make sure that Ubuntu ...
2
votes
1answer
186 views

How can I convert a linux swap partition to ntfs? [closed]

Recently I decided to remove Ubuntu from my dual boot configuration of Windows and Ubuntu. I formatted the drive which contained Ubuntu, but I couldn't format my swap partition from Windows because it ...
2
votes
1answer
393 views

Should my swap size be zero or am I misunderstanding the output?

We are running an Amazon EC2 R3 instance so has 30G of memory available. We are running 5 Apache Tomcats (version 7). According to lsb_release -a the version of Ubuntu is: Ubuntu 14.04.2 LTS Tomcats ...
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0answers
97 views

Ubuntu 15.04 shutdown issue

I have installed Ubuntu 15.04 OS. I had an issue while shutting down the system. It restarts and I have to do a forced shutdown by pressing and holding the power button. I have also searched on the ...
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0answers
142 views

Adding swap due boot take too long time

everyone. I noticed that adding swap takes too long: Jul 5 22:41:10 dizpers-pc kernel: [ 19.762255] Adding 7999484k swap on /dev/sda5. Priority:-1 extents:1 across:7999484k FS Jul 5 22:41:15 ...
2
votes
2answers
84 views

Hibernation kills all programs

Following this answer I was able to restore hibernation on my Ubuntu Vivid Vervet 15.04. Unfortunately after hiberate/restore all running programs are gone, as if it was a regular power-off. Any ...
1
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0answers
67 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
61 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 ...
0
votes
2answers
27 views

Did I Dual Boot incorrectly?

I dual booted Ubuntu with Windows 7. I dual booted by shrinking my drive to 45 GB. This was for ubuntu. After I dual booted, I noticed that there was a small primary partition. I found out that this ...
0
votes
1answer
667 views

i2c-hid i2c-SYN1B7B:01:01 failed to retrieve report from device - problem during boot, device stops booting

My laptop is configured to dual boot Windows 8 and Ubuntu 14.04. Windows 8 works fine, but when I try to boot into Ubuntu, sometimes, boot gets stuck at: i2c-hid i2c-SYN1B7B:01:01 failed to retrieve ...
0
votes
1answer
59 views

Swapping for best performance

I have Ubuntu on my laptop for like 10 days. I'm new to Linux. So I'm interested about getting better performance of my laptop. Laptop: DELL: Intel CPU i7-4510U 2.00x4 , Graphics: Intel Haswell ...
0
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2answers
56 views

Why does the installer make an extended partition for swap by default?

Every time I've done a clean default install of Ubuntu or a variant on an MBR type system, I end up with a system partition and a swap partition. The installer always tucks the swap partition inside ...
2
votes
2answers
2k views

Ubuntu 15.04 installation stuck in a loop because of missing swap partition?

I say "because of missing" swap partition, but I am not sure about that. That's my hypothesis at the moment. Read on to understand the full context. I am attempting to install Ubuntu but it appears ...
1
vote
0answers
110 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 ...
0
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1answer
201 views

Maximum RAM for my Ubuntu and laptop? [duplicate]

My laptop is Thinkpad T400, and running 64 bit Ubuntu 14.04. I wonder if there is no limit of the RAM size that I can use in my laptop? Now I am running Windows 8.1 in VirtualBox, which takes 2GB RAM,...