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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8 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 ...
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1answer
23 views

How to get swappiness to stay low

Alright, so I've been having trouble with the default value of swappniess (60) making life a living hell (which is probably another problem that needs to be sorted out, but currently cannot be until ...
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2answers
28 views

Secondary hdd with swap partition: spindown?

I'm running Ubuntu 16.04 on a laptop. I have a small, 120GB SSD drive, and a secondary 1TB HDD. Today I made Linux use a swap partition that is located on that second drive. After testing things out ...
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0answers
14 views

zswap: default zpool zbud not available, pool creation failed

My system seems to be working fine, but in the interest of learning, I'm investigating the red bits of my dmesg. Here's one: zswap: default zpool zbud not available zswap: pool creation failed what ...
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1answer
26 views

Question about installing ubuntu

I have 3 questions about installing ubuntu Please help Me. How much space I have to give to swap partition? My ram is 8GB. We check two options when installing Ubuntu (one is mp3 fluendo plugin and ...
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0answers
11 views

Cannot install Ubuntu 15.10 (Swap partition creation failed)

I got a 2nd laptop with no operating system on it and I would like to install Ubuntu 15.10 on it. I made an bootable USB stick with a genuine version of Ubuntu 15.10 (from Ubuntu.com), and right now ...
0
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1answer
22 views

Extend home without unallocated space. With swap or ntfs [duplicate]

I've just installed (some months ago) Ubuntu 14.04 on my Asus laptop. I followed a specific guide on partitions and thought everything was ok. But, beeing pretty new at this I probably made some ...
0
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0answers
8 views

Swap on video ram

I'd like to create Swap on video ram. I don't use my additional graphic card. Is a way to do this in Ubuntu ? https://wiki.archlinux.org/index.php/swap_on_video_ram
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0answers
25 views

Is there current information on Swap management? [on hold]

There have been various discussions on this topic in the past with contradicting conclusions. Some people believe that: Swap is unnecessary in modern systems, as usually enough RAM is available ...
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1answer
16 views

man page of swapon doesn't match with what I am seeing

I am playing around with swap and added my own swap partition. but when I do I noticed something odd. test@ubuntu:~/5Gdisk$ cat /proc/swaps Filename Type Size Used Priority ...
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1answer
13 views

Move swap and extend home partition [duplicate]

I have dual boot Ubuntu 14.04 and Win8.1. For some reason (my mistake) I have my home partition (80GB) than swap (4GB) and then 200GB of unallocated space (in that order). I want to use this free ...
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0answers
10 views

How to set a limit for the amount of RAM and/or Swap a process can use?

Is there a way of limiting how much RAM and/or Swap a certain process is allowed to use? It would be nice if I could also apply this to all sub-processes, however it would also be good if there was ...
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3answers
40 views

Do I need to clear out swap to make my computer fast again?

I ran a process which used up mostly all my RAM and Swap... I was forced to kill the process, but now I see something strange, my Swap usage has decreased a little bit, but it is still half used while ...
2
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2answers
35 views

Finding my swap partition

It looks like I have 40 GB of swap: wuser@wavesftwDell:~$ cat /proc/swaps Filename Type Size Used Priority /dev/dm-1 ...
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0answers
17 views

Why goes nothing change when i add Swap on terminal

I am running Ubuntu 15.10 and I want to grow my swap partition from 4G to 8G. I followed this guide and after running the following command it appears that I have 8G: ...
0
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1answer
22 views

Allocating disk space as memory temporarily

I need to run some application to convert large files (7GB). The converter application isn't nicely written. So it doesn't stream the coverted data. Therefore, it requires high amount of memory. I ...
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votes
0answers
10 views

>4GB Free and Merely Closing Tabs Causes Chrome to Thrash Disk

The red light stays on, I can't click on even the launcher bar, occasionally the windows "grey out" and all because I'm merely trying to close Chrome tabs? With most of my 8GB RAM free according to ...
0
votes
1answer
25 views

Build fails after not enough RAM even after swap

I have a 4GB RAM and I have to work in android environment. Some components in the source needs high RAM as a result, I made a swap file of 8GB and I have a 4GB RAM. My RAM is 11mb or less while ...
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0answers
36 views

swap problems on Ubuntu GNOME 15.10

Why does this happen on the output of systemctl status dev-sda4.swap -l: dev-sda4.swap - Swap Partition Loaded: loaded (/run/systemd/generator.late/dev-sda4.swap) Active: failed (Result: ...
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0answers
30 views

Swap Partition Causing Lock ups/Freezes

I recently added a swap partition and it functions properly. However, I have noticed that whenever I run programs that use a lot of memory (use most of my ram and 1 gb of my swap), my GUI locks up, my ...
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0answers
30 views

Does Ubuntu limit svn process memory if ulimit returns unlimited?

I am trying to commit a file using svn it crashes with an Out of memory error. I am running Ubuntu 14.04.1 and have 6G memory, 6G swap partition and 12G swap file. I am able to use svn to commit ...
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2answers
37 views

How can I save a swap?

I have Linux at my school and I must go from 1983 to 3007 with swapon. I did that but if I reboot the system it is not saved. how can I save this?
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0answers
42 views

Ubuntu 14.04 stuck in black screen for a minute before booting. According to dmesg, mounting swap partition is delaying the boot process

Ubuntu is taking at least a minute to boot. I checked the dmesg output and it seems that mounting swap takes a long time. I can't seem to figure out why this is happening? Dmesg output is as ...
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0answers
17 views

Installing U14 Server on external drive wants to use internal drive for swap

I'm installing U14 Server onto an external drive that is connected to my MacBook Pro. I already have OSX running side-by-side U14 Desktop (using rEFInd) and therefore have an existing swap partition ...
1
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0answers
71 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 ...
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0answers
29 views

Is there a Swap Manager built into 15.10?

There is a bug 1464917 that affects many including me. I think it is related to orphaned data in swap. I am looking for information on how the system manages these orphaned files left in swap in ...
4
votes
1answer
82 views

Permission denied when changing swappiness

I'm trying to set my swappiness to a more reasonable value than 60, but I get errors: root@server1:~# sysctl vm.swappiness=10 sysctl: permission denied on key 'vm.swappiness' root@server1:~# swapoff ...
2
votes
0answers
31 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 ...
0
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0answers
28 views

Increase existing Ubuntu Partition into Swap space [duplicate]

My dual boot (with XP) Ubuntu 12.04 installation ran well for 18 months. It was allocated 25Gb (ext4) + 25Gb (swap) in the first instance using GParted. About 2 months ago I received a warning that it ...
0
votes
1answer
64 views

swappiness is zero but swap is still used unnecessarily

On my Kubuntu 12.04 system with an SSD, I have swappiness set to zero (as reported by cat /proc/sys/vm/swappiness), but occasionally the system will begin to use swap, even though memory usage is only ...
0
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0answers
23 views

Crashing when opening settings app and missing letters

every time I try to open the settings application my ubuntu crashes (15.10 64 bits installed, 14.04 64 bits in live usb and 14.04 32 bits also in live usb). All those systems crash when I open ...
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0answers
17 views

Does Ubuntu encrypt swap partition when installing with encrypted home?

When I install Ubuntu, I can check the checkbox with label "Encrypt my home folder". Does this option make Ubuntu to encrypt swap partition too?
0
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1answer
22 views

Increase linux-swap partition for hibernation

I am having problem when I hibernate Ubuntu 14.04 . I want to increase my linux-swap memory to 25-30 GB. Currently it's around 15 GB as it can be seen in the picture below. My RAM is 8 GB. Can anyone ...
0
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0answers
96 views

Why swappiness=10 is not the default in Ubuntu desktop? [duplicate]

According to Ubuntu's swap faq, the default swappiness value is 60. However, "(...) Reducing the default value of swappiness will probably improve overall performance for a typical Ubuntu desktop ...
0
votes
1answer
17 views

Why Ubuntu auto swapon swap partition?

I have a standard Ubuntu installation. After that, I disable swap entry in fstab. But, when power on the computer, Ubuntu automatically use that swap partition. Sometimes it does that, sometimes it ...
0
votes
0answers
13 views

Lock application data to swap

Is it possible to lock the app data in swap? App data: it means the data loaded by operating system to the ram to run it. I am using Ubuntu 15.10 and my laptop has only 2GB ram. I am thinking that ...
7
votes
2answers
435 views

Sharing SWAP and /home beteween Ubuntu 15.10 and Kali Linux 2.0

I am currently running Ubuntu-15.10 on my machine and I am planning to install KaliLinux alongside Ubuntu. I would like to know 2 things before I proceed. (As both Questions are related and similar, ...
1
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0answers
35 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 ...
12
votes
7answers
2k views

Is swap area required? Can we install Ubuntu without a swap area? [duplicate]

I bought a new Lenovo B50-80 laptop with 4GB RAM, 500 GB HDD preinstalled with Windows 7 Professional. I would like to install Ubuntu alongside the existing Windows 7. For that when I tried to create ...
0
votes
1answer
70 views

Upgrade to 14.04 causes “the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present” - Computer can't start: Live Disc Repair Option?

I am a relative newbie who used Ubuntu 12 a few years back on an old Dell to install Bitcoin Armory for Cold Storage. When recently deciding to retrieve a coin, I also took it out of storage, i.e. ...
1
vote
1answer
27 views

How to resize disc after permanently disabling swap

My computer has 16GB of RAM and only 32GB of memory on SSD drive so I want to get rid of those 16GB of swap that was automatically created. I have succesfully disabled swap memory following How do I ...
1
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1answer
215 views

Ubuntu 15.10 - high ram usage

I am writing because I have no idea what going on with my favourite os, Ubuntu 15.10 with the kde desktop. The problem affect ram usage in normal work (chromium/firefox browser with few cards and ...
0
votes
1answer
94 views

How to change zram size?

I installed zram with sudo apt-get install zram-config. After that it started automatically and when I verified with cat /proc/swaps it's running properly But when I used sudo echo 128M > ...
0
votes
1answer
47 views

How to check if the swap partition is being used correctly in ubuntu 15.10

when I throw the command 'sudo swapon -s' no error or nothing shows up. I resized my primary partition and deleted my swap and reacreated it updating the values in the fstab file.......I would like to ...
0
votes
2answers
61 views

How do I hibernate with swap file without swapping?

Well, I know that my question title is not clear so I'll explain. . Background: I have a laptop with dead battery. (Won't even charge) It also have dead hard drive. (Thrown away) And have 1000MiB RAM ...
1
vote
1answer
39 views

I resized partition and deleted swap area , how do I update the /etc/fstab file to reenable swap?

This is my current fstab file content: # /etc/fstab: static file system information. # # Use 'blkid' to print the universally unique identifier for a # device; this may be used with UUID= as a more ...
0
votes
0answers
15 views

Why is it that my pc will not install grub or a swap partition?

When trying to install a different version of Ubuntu my PC tells me that an error has occurred will trying to create a swap partition, why?
0
votes
1answer
20 views

Cannot Remap CapsLock after Swapping with Ctrl

I've remapped my caps lock key so that development in Emacs will be much faster. To do this, I edited /etc/default/keyboard to include: XKBOPTIONS="ctrl:swapcaps" This swapped the Caps lock key with ...
0
votes
0answers
11 views

UBUNTU SWAP vs. Vsphere SWAP .vswp

I am really a newbie. I am found the .vswp swap file in the datastore and I have installed ubuntu as the OS. Unfortunately, I couldn't find the swap partition on the ubuntu OS. I really couldn't ...
3
votes
1answer
38 views

Set primary swap partition

Can I somehow set Ubuntu to use the first swap partion in /dev/sdb and only if not available (or full), use the swap partition on /dev/sda? /dev/sdb is not always mounted so it is necessary to have a ...