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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What is the UUID of my swap drive?

I'm dual-booting Ubuntu 13.10 on an ASUS Windows 8 with an SSD (but not on the SSD). I configured it when installing to use a swap drive, but it doesn't seem to be using it since I get this message ...
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1answer
54 views

Which drive is better to keep a swap?

I have a laptop with a processor core i5. 4 GB of RAM. The laptop has a built-in hard disk SanDisk SSD U100 24GB [10.52.01] (/dev/sda). Read speed 270 MB / s, write speed of 78 MB / s. In addition, ...
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1answer
408 views

Swap not available [duplicate]

When I open System Monitor and click Resources, the chart has swap at 0% and says "Swap not available". I was triple booting on my computer, but I removed one of the distros, so that probably has a ...
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1answer
86 views

Is my Cryptswap working?

I was receiving a message saying that cryptswap cannot be mounted. After several reboots, I do not have this message displayed anymore. Is it normal (see below) for 0 to be used? $ swapon -s Filename ...
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1answer
43 views

Ububntu 13.10 x64 SWAP

I'm using ubuntu 13.10 64 bit. Established a system by default, compliance, sisema allocated to SWAP 35Gb file. How to reduce size SWAP file?
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1answer
42 views

Changing cpu from intel to amd

I currently have two computers using ubuntu, I want to switch the hard drives of the two so the one I use more has more space. My problem is one of my computers has a intel cpu and one has a amd CPU, ...
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1answer
85 views

Help with ram usage

I have a dual boot laptop with 512 MB RAM running Windows XP/Xubuntu. I try to load student.portal.chalmers.se (a huge bloat site) in Firefox. On XP, I can load the site without any swapping, but ...
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1answer
79 views

Can an exisiting swap partition be merged into a new partition as a logical volume?

I am using a dual boot setup (Windows 7 and Ubuntu 12.04 LTS). The first two partitions belong to Windows and the third and fourth are the ubuntu system and swap partions respectively. All of these ...
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0answers
42 views

Very slow start up

I am using the following release: LSB Version: ...
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3answers
2k views

Why is the default swappiness 60? What would be the effect if I lower the swappiness value for my desktop PC?

I was reading about swappiness in various forums and I saw some videos. Many stated that it's a good thing for desktop users to decrease the swappiness value below 60 (which is the default). Some ...
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1answer
55 views

Resized swap partition - swap space does not change?

Recently I resized my swap partition to make it bigger, but swap space staid the same. Why is that so and how can I change it? Here is what I get when I run swapon: swapon: /dev/sda6: pagesize=4096, ...
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1answer
157 views

What do I do when extensive SWAP access makes system dead

Memory is getting low and heavy SWAP access makes my system responding very slowly at first, but if I don't react by freeing a lot of memory, the system becomes like almost completely dead. Now I have ...
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2answers
323 views

Deactivating swap file without any computer freeze

I'm currently coding on my laptop: 4 gb of rams, never using more than 2.5-3gb but at times, I'll mess up my programs, run them with memory leaks and they'll make the computer freeze when trying to ...
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3answers
113 views

Make SWAP parition from existing Ubuntu partition [duplicate]

Using Ubuntu 12.04 LTS, upgraded from 11.10. Had no idea while installing Ubuntu for the first time. So missed SWAP partition. Now, at times Ubuntu hangs and system monitor shows the memory usage ...
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1answer
834 views

Should i enable zram and/or lower swappiness value?

I use ubuntu 12.04 LTS. I have 2GB RAM. Now, that is split about 55-45 memory-swap. My CPU is almost flatlined! Could I get faster leaner meaner more efficient performance if I lowered swappiness down ...
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1answer
237 views

Swap taking more ram memory, my system running slow

When I give the command 'free -g' and view the output, it says total used free shared buffers cached Mem: 1 1 0 0 ...
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0answers
120 views

Swap, zram, CPU, memory & Software Center [closed]

This is a shot of my swapfiles and System Monitor: and I would like to know what is the best way to reconfigure my swaps. Below is the result on my terminal: harayz@ASUS:~$ cat /proc/swaps ...
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2answers
243 views

Cannot change swappiness default from 60 to 0 in Ubuntu 12.04

So I've read several related threads and there seems to be no answer. I have an old laptop, with a Dual Core 1.7 GHz processor and added 2 GB of RAM, with a 30 GB partition for Ubuntu 12.04 and the ...
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2answers
2k views

how can I increase my RAM size with a swap partition? [duplicate]

Presently my RAM is 2GB. I heard that in linux we can get extra memory to RAM from the harddisk by using swap partition. What is the procedure for that? here in the pics i'm giving my system info. ...
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2answers
81 views

3 swap partitions and only one in use

If I go to settings - disks (xubuntu) I see 3 swap partitions (2.1, 2.5 and 6.2 GB) but only one is in use, the 2.1, the smaller one, the others are wasted space. I can activate the other two ...
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1answer
98 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 ...
2
votes
1answer
779 views

Swap partition not enabled after booting up

This is what my gparted looks like When i formatted my computer before installing Ubuntu, I set up the partitions properly (or so i thought) and had the last "unknown" area as a linux-swap and ...
2
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1answer
312 views

Why does rsync slow down my whole computer?

My powerful Linux desktop (12 core, 32GB RAM, SSD, fast processor, ubuntu 13.10) slows down to a crawl when I rsync from my internal drive to an attached USB3 NTFS drive. Typing any command, like "df" ...
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0answers
67 views

Why is the default Ubuntu swappiness 60?

What is the reasoning for Ubuntu's default swappiness being 60?
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5answers
6k views

With an SSD, do I need to change my swappiness to increase SSD life?

I encountered this article which includes the following suggestion: Swap and swappiness I kept my swap partition on the old HDD. Swap on the SSD would be faster, but would also shorten the ...
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1answer
187 views

“The harddrive for /dev/mapper/cryptswap1 is not yet ready or non existent.”

Two days ago I installed the Ubuntu 12.04 LTS on my laptop, now I have got a big problem I cannot sort out, even by reading and checking what some of you stated in the explanations. Problem: (Its in ...
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1answer
4k views

How to partition a small SSD alongside an HDD when installing Ubuntu

There is both a HDD and a 24GB SSD in my Ultrabook. I will install Windows (for testing in feature, as its free in university) in the HDD. I need to decide what to do with Ubuntu, as its the system ...
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1answer
28 views

NEW Ubuntu USER SWAP

i'm new to ubuntu website and operating system, and as I am very curious, i searched some topics, and i noticed something called SWAP,i know its supposed to be twice the physical ammount that we own, ...
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3answers
8k views

Do I need a swap partition? [duplicate]

I have 4GB of RAM and I want to install Ubuntu. Do I need a to have a swap partition? Because my computer has 4GB RAM, I do not think it is necessary to have a swap partition. If I do need to have a ...
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1answer
2k views

swapon: /dev/sdb1: swapon failed: Invalid argument

I am unable to mount a swap partition Terminal code: Device Boot Start End Blocks Id System /dev/sdb1 2048 7831551 3914752 82 Linux swap / Solaris ...
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2answers
245 views

How to mklink /home/ to a new empty partition [duplicate]

Due some weird issues with my current lubuntu I'm going to do fresh installation. But when I install lubuntu I need to do two things that I probably can't perform because I'm newbie. I'm going to ...
2
votes
1answer
2k views

Encrypted home partition + encrypted swap + working hibernate

I would like to set up disk encryption on Ubuntu 13.10 such that I have plain / encrypted /home partition encrypted swap partition working hibernation and resume As these requirements suggest, ...
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4answers
5k views

Unsafe swap space detected

So I had a Ubuntu 13.04 installation and I had encrypted my hard drive while I was doing installation. I was playing around and mistakenly deleted all the partitions, now I downloaded lUbuntu 13.10 ...
0
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1answer
88 views

Adjust new swap memory

Currently, my system have 2 GB swap memory, in the following structure- /dev/sda1 --linux-swap -- /dev/sda2 --ext4 -- System installation Unallocated --unallocated -- Now I want to ...
0
votes
1answer
205 views

How much swap space should I configure? [duplicate]

How much swap space should I have? I have a 500GB HDD and 6GB RAM. My specs: Release 12.04 (precise) 64-bit Kernel Linux 3.8.0-34-generic GNOME 3.4.2 Memory: 5.7 GiB Processor: Intel® Core™ ...
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3answers
521 views

Is this partitioning scheme for Windows7/Ubuntu fine?

This isn't an exact copy of my previous question. I have an ASUS K53U laptop with Windows 7 64-bit installed. I want it to dual-boot with Ubuntu (Linux-Secure-Remix, preferably). I have previously ...
0
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1answer
55 views

Swap partition usage

I created a 7.5Gb swap partition when I installed UBUNTU 12.04 on my 80 GB hard disk. My system runs with 512Mb RAM. I am not sure if this SWAP partition size is right. I also would like to know if ...
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2answers
532 views

Why does Ubuntu install default to minimum swap partition size?

When installing Ubuntu unless you do a manual partition, you get roughly and x+.5 MB swap space, where x is the amount of ram present. At least this has been my experience. I that official Ubuntu ...
0
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1answer
80 views

hibernate is diabled on ubuntu 13.04? [duplicate]

I'm using ubuntu 13.04 and hibernate is disabled Do I need a big swap file to enable hibernate ? How ?
0
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1answer
35 views

Ubuntu 12.04 swap USB [duplicate]

I'm new in ubuntu and I tried to install the alternate CD in my machine. Everything went fine but when I tried to boot a black screen and a blink cursor went on. I can boot from my USB and searching ...
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2answers
640 views

Is putting swap on a USB2 flashdrive practical?

After searching here, I found no direct answer to: Is it practical to put swap on a USB Flash drive? I do not yet know if the teeny-tiny flash drive (Fit CZ33 ) I wish to use runs at high-speed (480 ...
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1answer
65 views

What is the role of the swap space? [duplicate]

This has been something that I've wanted to ask for quite a while, but I just haven't. When Ubuntu is being installed there is an option where swap space can be assigned, at least in the custom ...
2
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2answers
192 views

Performance tuning - multiple swap partitions? (command-line)

SUMMARY Does Ubuntu take advantage of multiple swap partitions on separate physical media, from a load sharing point of view? i.e. if one drive with a swap partition is burdened with i/o, will it ...
2
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2answers
1k views

Sharing of swap partiton between linux systems?

I have a laptop on which I have installed Ubuntu 12.04 and Windows Now just for learning purposes I am going to install Backtrack OS on it. My laptop has 4 GB of RAM so according to the ...
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1answer
313 views

The Creation of Swap Space in Partition #9 of SCSI3 (0,0,0) (sda) Failed

I am trying ubuntu 13.04 from sandisk cruzer blade. I want to install it . I created a partition of 25 GB. I formatted to ex4-or something like that and mounted it to- / But I am reciving - The ...
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2answers
1k views

Swap on Ubuntu: No primary partition

I am running Ubuntu 13.10 64bit on a system with 4GB RAM, dual booting with Windows Most people say that it is good to have swap on a system, and results in speed, so I used it with my previous ...
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1answer
50 views

ubuntu 12.04 2D hibernatization

I'm pretty noob in linux OS. I chose ubuntu to start with, because is most user friendly. But i can't make him go to hibernate. I have 2 gb RAM and 4 gb SWAP, i follow the instructions to enable ...
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1answer
341 views

Wubi install: How to increase swap size

I am trying to increase the swapfile size on my WUBI install. I followed the answer here: sudo su swapoff -a cd /host/ubuntu/disks/ mv swap.disk swap.disk.bak dd if=/dev/zero ...
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2answers
11k views

What is the safest way to remove a swap partition?

I am running Ubuntu 12.04 on a 64-bit HP laptop with a 16 GB flash drive. I do not have a working hard drive right now. When I installed Ubuntu, I created a 2 GB swap partition on sdb1. I have since ...
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1answer
221 views

Issue with increasing the root partition from the swap

I have an issue with increase the size of my root partition. I have ElementaryOS Luna, and while installing it asked me how much space I want to use. I choosed 15 GB for it, because I want to use this ...