Ubuntu Installation :: Why Does 10.10 Have 'Swap Area' Configuration
Oct 12, 2010
I was so excited that finally I can get the newest version of Ubuntu installed on my computer. Yesterday I downloaded the iso file and emptied my F:/ disk, hoping I can install it this morning. Everything was perfect until I met 'swap area'. I thought it was just that the installing program needed some free space during the process. Storage hierarchy, caching, something like that. So I configured my E:/ disk as the 'swap area'.
Bad decision! After everything was done, I rebooted ubuntu, only finding that my E:/ no longer existed!!!! I couldn't believe my eyes, so I rebooted back to Win7. E:/ disk wasn't there any more! Now I have to accept the bitter truth. All my journals, photos, and documents are ruined. My point is that: if something like 'swap area' is not so common sense to everybody, why does it have to be there? And if it will format that disk, why aren't I noticed? Not so long ago, I heard some one claimed that the ubuntu10.10 installing process would be revolutionized, much more user-friendly. Well, this is not what I've expected.
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Feb 10, 2011
I need to reinstall Ubuntu, problem is, I don't know if I need a new swap area to replace the old one or just check the old one to be formatted. Or do I just leave it as it is and after installation Ubuntu will make use of it? Couldn't decide if this should go in "Installation & Upgrades" or "General Help" since it's a bit of both.
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Jan 24, 2011
I ve installed Fedora14 i686 Spin edition.my laptop config: core2duo processor,4GBram,500gb hdd.Problem:I ve 4 partitions....XP in C drive 23GB, D:210GB;E:236GB & in remaining space around 30GB, i installed Fedora while installation i didnt aware of SWAP AREA & while installing i got WARNING:LESS SWAP AREA but i ignored it..now no freespace.can i create SWAP AREA now? that to without reinstallation.HOW CAN I GIVE SWAP AREA?
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Apr 16, 2011
can i allocate swap area after installation? can i do this?
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Sep 15, 2010
At home I have two computers running linux connected to the same router. I would like to be able to connect them so that I can move files between them and execute simple commands. What is the most simple way to access a prompt on the other computer or to mount a partition currently used by the other computer?Using the www it is possible to connect two computers using ssh, but it should be easier to do this over the LAN, right? I have been googling a lot but not found anything.
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Aug 22, 2010
I recentlty did a new install and the printer icon no longer shows up in the notification area when printing....I cannot figure out what is missing or did they omit this...
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Sep 4, 2010
I added as an experiment a swapfile , see topic Put an extra line in fstab to activate swapfile during boot.When I reboot a bootmessage is shown : activating lvm and md swap....Result is that bootime is lengthened by 10 seconds....dmesg shows four lines containing " firewire_ohci: swap not done yet "I don't use firewire, should I blacklist modules ?What about " activating lvm " in the bootmessage ? I don't use lvm.Update : just found out that dmesg contains the same lines " firewire_ohci: swap not done yet " when swapfile is not enabled. Without swapfile boottime is normal : grub -> kdm in 17 seconds.
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Jan 11, 2010
I've lenny on my PC with no X-server running up and I need to swap Caps_Lock for ctrl .None of the Debian-specific ways from the link I provided are working for me.
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Apr 3, 2011
So from a web server stand point if we start using swap for httpd or mysql its bad and performance goes down the drain. So would it be a good or bad idea to disable swap entirely?
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Aug 21, 2015
A friend gave me an HP Mini 110 that I can actually use in some situations. I installed Debian 8 with LXDE. It runs well except for the expected lack of driver for the Broadcom 4312 wireless chip. I installed wl using the method shown at [URL] ....
It works fine except that it takes very long to set up WiFi at boot (1 min 30 sec or more every boot--this is a rather frail Atom processor) and the WiFi reception seems poor (65% from an excellent router at 25 feet).
I'm thinking of getting a Panda 300Mbps Wireless N USB Adapter (reportedly using the Ralink RT5372 chipset) and removing the Broadcom driver. I have 2 questions:
1. Could I expect the Panda not to slow my boot time so much? I'm not knowledgeable enough to tell whether there is stable kernel support of this device, although the manufacturer says repeatedly that it works with most Linux distributions.
2. To remove wl is Code: Select allmodprobe -r wl the correct approach?
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Jul 29, 2010
I'm running Debian testing/unstable, with my swap on an lvm volume. When I boot into the system, the swap doesn't become activated, even though there are messages that point to the contrary (for instance: "activating swap file...done"). After it's done booting, I run the command "free" and it shows that there is no space allocated to swap. "swapon -a" doesn't load the swap file either -- I have to do "swapon /dev/mapper/xxx-xxx". The swap appears in fstab, and also in /etc/initramfs-tools/conf.d/resume.
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Dec 12, 2010
This laptop that I am trying to get Debian 5 working on is occasionally locking up during boot at "Activating Swap..." WTF could cause such a bizarre thing? The swap partition is just empty space. Activating must be nothing more than confirming it exists and mounting it.
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May 14, 2011
On my Debian machine I have no InterNet connection.
Hardware: --
HP Pavilion DV8000 laptop,
-- 2GHz AMD Turion CPU,
-- 4 gb ram,
-- 150 gb hd,
-- (non-working non-free) BroadCom BMC-4318 wireless chip
OS:
-- Debian 6.0.1a, "Squeeeeeeeze"
-- KDE (soon to be replaced with LXDE, much sweeter and cooler apps).
Here's da problem...(thanks to stinky 1983 Macro$haft & IBM collusion to wipeout WordStar), how do I swap CapsLock & Control keys?Its gotta work in both terminal & X apps
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Apr 30, 2010
I'm having trouble installing Ubuntu in either text mode or default graphical mode.
Here's my configuration:
1) Intel core i7-960 (8MB L3 cache, 3.2 GHz Bloomfield)
2) 6 GB triple Channel DDR3 (1333 Mhz, 3x2GB)
3) 2x 1GB GDDR5 ATI Radeon HD 5870 Eyefinity (Crossfire)
4) 1 16X BD-ROM/CD/DVD/RW 1 24X CD/DVD/RW
[code]...
I created two EXT3 partitions (one for /boot and the other for /) and alinux swap partition after leaving 500 GB for my C drive on the HDD. I then booted into linux using the install ISO burned onto a CD. I can see the menu where I get the option to install/run Ubuntu and the option to install in text mode, but when I go ahead,I get the following errors Install Errors After these messages, the monitor goes blank and nothing happens.
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May 1, 2010
I upgraded to Lynx and the speaker icon is no longer shown in the notification area. Everything works, though.
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Jan 18, 2010
Last night I upgraded to the 10.04 development release, and I am pleased with what I see so far. I ran into a problem, however, with the power manager.I am using an MSI Wind U100.
First, I have lost my battery icon from the notification area. It reappears if I plug in, or unplug my AC adapter.
Second, under, "Power Management Preferences" I have lost my "On Battery Power" tab, leaving only, "On AC Power" and "General"
If I wait about seven minutes, the battery icon will appear in the notification area, but the tab remains lost.The problem is due to update. I have confirmed by installing a fresh 9.10 and upgrading again to 10.04 without making any other changes to system.
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Apr 11, 2010
I tried to install java runtime in the terminal, and I got to the 'contract acceptance' page, and I couldn't find a way to accept and move forward, so I just closed the Terminal, killing the process. later, I went to the ubuntu software center, and tried to install java runtime using that. the status for the installation remained at 0% and said "waiting for other software managers to quit". so I exited out of software center. then update manager popped up, asking me to update several things, including installing java runtime.so I hit yes, and it said this:E:dpkg was interrupted, you must manually run 'dpkg --configure-a' to correct the problem
so I ran:
sudo dpkg --configure -a
sudo apt-get update && sudo apt-get upgrade
[code]....
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Dec 7, 2010
Lucid on an Acer Travelmate800.Can anyone tell me why I have 0k for swap space? I allocated swap which I can see in my Disk Utility's 'volumes' display.
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May 8, 2011
I built a new system with an Intel i5 and ASUS P8H-67-M LX motherboard that uses the Sandy Bridge chip set for video. It is a recent version without the original bugs. I use a 24" monitor, VisionQuest(Plain Tree Systems) and it supports 1920 * 1200. In System Settings > Monitor Preferences I confirm the resolution as 1920 * 1200. The Monitor is detected properly.
Drop down windows, such as my Firefox bookmarks drop below the bottom of the screen, without any scroll bars. I can drag the mouse pointer below the bottom edge of the screen. It disappears. In contrast, on my older system with Ubuntu 10.04 the mouse pointer will never totally disappear. The top tip remains.
It is like Ubuntu, when rendering the display, thinks I have something like a 1920 * 1280 screen, and everything in that bottom 80 vertical just falls off. Seems like a bug, and maybe a simple one to fix.
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Aug 16, 2010
RAM for older machines like I use is fairly cheap these days. But flash memory is just as cheap or cheaper. So I'd like to ask about the feasibility of expanding my system's memory using flash memory. And about whether creating a partition for swap on the flash memory, or whether a swap file on the flash device, is the better way to go.
By flash memory I have in mind mainly USB sticks or what are sometimes called "pen drives." But I do also have CF and SD cards that, with the proper cheap adapter (one of which I already own for adapting CF) could be used to create extra swap space. So, what is the current consensus on the feasibility/advisability of using flash memory for swap? I've read about the limited write cycles of flash being an argument against using it for swap. But recent reading indicates to me that the limited write cycles problem applies mostly to older, smaller-capacity flash memory. Some will come out and say that, for larger-capacity flash memory, the life of the device is likely to exceed the amount of time your current computer will be useful (I think I've seen estimates in the range of 3-4 years life--minimum--for newer, higher-capacity flash memory).
A more persuasive argument I've heard against using flash memory for swap is that access times for these devices can be much slower than SATA, and maybe even IDE, hard drives. That would certainly dictate against using flash memory for swap.
So, how about some input on this issue? Anyone using flash memory for swap? If so, what kind (e.g., usb stick or SD/CF)? Are you using a swap file or a swap partition? How's system performance? Likewise, has anyone had flash-memory-used-as-swap die on them? The consequences would undoubtedly be dire. Also, has anyone measured flash memory access times to confirm or refute claims about slow access times? Are some types of flash memory better/worse than others in terms of access times?
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Jan 6, 2010
I was in the process of upgrading my ubuntu system (probably the latest version, it was about a month ago) and my computer froze (it does that on occasion). I have looked around this site, and tried a few things. I assume I am supposed to use the command "sudo dpkg --configure -a" to fix it. The problem is that when I do that, I get the message "dpkg: unable to access dpkg status area: read-only file system". So, what do I do now? I definitely dont want to mess up my system, but I want to fix it.
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Apr 30, 2010
completed the first of my five pending Lucid upgrades a few hours ago, the upgrade progress went real smooth. SoI have been checking various apps to make sure they are working ok after the upgrade, and noticed that Amarok will not show its notification (tray) icon in the usual place after the upgrade. This is a pain because normally one would launch Amarok, select a playlist/album whatever, than close the window and skip tracks whatever using the tray icon. Did a bit of googling and found a bug in launchpad it's because Amarok draws a custom icon instead of passing a bitmap, or something, but cannot locate the bug again now. I then tested Rhythmbox and found the same issue.
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Mar 20, 2011
Does one need to Check the Swap filesystem, from time to time
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May 3, 2011
I would like to backup my entire Ubuntu installation (/boot, swap and /) at /dev/sda (4GB) to /dev/sdb (10GB).I recreated the exact partitions on /dev/sdb, formatted and cp -rp all the files over.For /boot, I used
Code:
dd if=/dev/sda1 of=/dev/sdb1
It didn't boot successfully as the system kept rebooting. I then tried to install grub onto the MBR and boot partition (mounted at /mnt/tempboot).
Code:
grub-install --force --no-floppy --root-directory=/mnt/tempboot /dev/sdb
But I get an error:
Code:
grub-setup: warn: Your embedding area is unusually small. core.img won't fit in it.
Anyhow, since I forced grub-install, I believe the grub is installed. I rebooted the system and I get a grub prompt:
Code:
grub>
Grub seems to not find my grub.cfg but it is present.
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Sep 19, 2010
I had a problem with the install of Ubuntu 10.04 and 10.04.1 on a Dell Precision T3500. I used the 32bit live CD. I let the installer create the file systems and use the whole disc. The disc is was created as shown below. After the install button was pressed, the root file system was created and then the swap. When the installer went to mount the swap it complained there was not enough memory and failed the installation. I installed Ubuntu by manually making the swap file system smaller using gparted and assigning the / and swap to the file systems created by gparted.
Disk /dev/sda: 250.0 GB, 250000000000 bytes
255 heads, 63 sectors/track, 30394 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
[code]...
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Feb 19, 2010
I know it's possible, but does anyone have a URL or tutorial on how to do this?
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Jun 8, 2010
i can just swap my old one out for a larger one?
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Mar 25, 2011
am using 10.10 maverick and after installing ubuntu on an 8gig sd card the swap partition (1.55 gigs) is not being used, i am not sure what to do
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Jan 29, 2010
I have an existing Ubunto 9.10 install sitting on a 500 GB SATA drive that was sitting in my second SATA port. I'm trying to swap the internal HD out to a new system that has a 500 GB SATA drive with Windows 7 on it as the primary drive, in SATA port 0. When I configure BIOS to boot from my Ubuntu drive, I just get a flashing cursor on the screen and no Grub bootloader like I was before.
Does this mean Grub isn't on my Ubuntu drive? Should I install grub on both my Ubuntu drive's MBR AND my primary Windows 7 drive's MBR, or only one of the other. The instructions I've been reading don't specify which drive to reinstall Grub on and which drive I should boot from, so I'm confused. How do I get it so that Grub acknowledges my Windows 7 install on the primary drive?
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Feb 1, 2010
I want to move my swap file onto a new extended hard drive.
Device Boot Start End Blocks Id System
/dev/sda1 * 1 1243 9984366 83 Linux
/dev/sda2 1244 1305 498015 5 Extended
/dev/sda5 1244 1305 497983+ 82 Linux swap / Solaris
I want to put a 2Gb swap file on sda2.
> dd if=/dev/sda2 of=/mnt/2Gb.swap bs=1M count=2048
0+1 records in
0+1 records out
1024 bytes (1.0 kB) copied, 0.000388458 s, 2.6 MB/s
Why is this only copying 1.0kB? Do I need to format the extended drive first? I have tried specifying the block size and count a number of different ways with the same results.
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