I'm curious as to why the size (1Mib) and capacity (4MiB) are different. Surely it can't be possible to stick something on the CPU to increase the L2 cache size, right?? So what does this mean?
I'm running 64-bit Linux Mint (derivative of Ubuntu). The kernel config says CONFIG_X86_L1_CACHE_BYTES=64 but I found nothing about the L2 cache.
Can I somehow unlock more cache to get a 4MiB L2 cache for free?
I wonder if this is possible to extend or regrow the Linux hard disk partition from 8 GB to 20 GB without losing the existing data on the partition ?at the moment this Ubuntu Linux is deployed on top of VMware and I've just regrow the hard drive from 8 GB into 20 GB but can't see the effect immediately.can anyone suggest how to do this without losing the data ?
Does anybody have some thoughts about a local dns server cache size? What is the optimal one? In terms of memory consumption and number of re-enters into the cache. Lets say that default size is 150, so I've change this to 500 and after some time I see 379 re-enters into the cache. Simply put I need to increase the cache size 2 times. But due to the fact that browser preloads dns names it is not possible to interpret the number of overwrites in terms that it is not possible to say if useful cache entries were overwritten or those that the browser precached ( in other words not needed ). In this case it is ok to overwrite unwanted entries because it is not likely that I'll need these entries anyway
I'm running the dnsmasq on an embedded system with limited ram and with an umts dongle attached. It is important to keep the cache size as small as possible to reduce memory usage and at the same time to reduce number of external lookups because dns latency of the umts connection is high (1-2sec for the dns query)
I have AMD Phenom 8550 triple code processor, with 2.20ghz speed and 4gb ram. I am trying to install Redhat linux 9 first time. I am new to linux. While install system hangs with message
ehci-hcd 00:13.2: PCI device 1002:4396 echi-hcd 00:13.2: irq 10, pci mem f880f800 usb.c: new usb bus registered, assigned bus number 2 PCI:00:13.2 PCI cache line size set incorrectly (64 bytes) by BIOS/FW" expecting 16
Is there anyway to show package size that comes up in the search so you don't have to apt-get install package individually and wait for the installation initiation and then reject to install after it gives u the [y/N] confirmation thing?
I don't understand this error nor do I know how to solve the issue that is causing the error. Anyone care to comment?
Quote:
Error: Caching enabled but no local cache of //var/cache/yum/updates-newkey/filelists.sqlite.bz2 from updates-newkey
I know JohnVV. "Install a supported version of Fedora, like Fedora 11". This is on a box that has all 11 releases of Fedora installed. It's a toy and I like to play around with it.
I was laughing about klackenfus's post with the ancient RH install, and then work has me dig up an old server that has been out of use for some time. It has some proprietary binaries installed that intentionally tries to hide files to prevent copying (and we are no longer paying for support or have install binaries), so a clean install is not preferable.
Basically it has been out of commission for so long, that the apt-get upgrade DL is larger than the /var partition (apt caches to /var/cache/apt/archives).
I can upgrade the bigger packages manually until I get under the threshold, but then I learn nothing new. So I'm curious if I can redirect the cache of apt to a specified folder either on the command line or via a config setting?
This is a fresh install of Ubuntu 9.10 64bit on a Compaq 6715b laptop.Everything is working OK except the fingerprint reader. So to look for the device I did this:
Code:
sudo lshw
but was a bit alarmed when I saw this:
*-volume:0 description: EXT4 volume vendor: Linux physical id: 1 bus info: scsi@0:0.0.0,1
I installed squid cache on my ubuntu server 10.10 and it is work fine but i want to know how to make it cache all files like .exe .mp3 .avi ....etc. and the other thing i want to know is how to make my client take the files from the cache in the full speed. since am using mikrotik system to use pppoe for clients and i match it with my ubuntu squid
I tried to install lshw to be able to list me hardware. lshw is not in synaptic. I found this page [URL] .... and from there went to [URL] .... where I read:
You should be able to use any of the listed mirrors by adding a line to your /etc/apt/sources.list like this:
deb http://ftp.de.debian.org/debian wheezy main
Replacing ftp.de.debian.org/debian with the mirror in question.
After a bit of searching, I haven't found a discussion on how to mount an external device using hardware attributes, though I am almost certain I have seen discussions on this in the past. The objective is to consistently mount an external USB drive at the same mount point regardless of the order in which a user attaches other external USB drives. For instance, if I run lshw, I can find harware properties of the device:
Code:
*-usb:1 description: Mass storage device ... physical id: 6
[code]...
I'd like to identify this device by the serial number and mount to a pre-defined mount point (e.g. /mnt/extUSB). I can write a script involving lshw,dmesg, and mount but I vaguely recall a more clean/ preferred method.
I was using my usb Alfa AWUS036H-v5 usb wifi card, and then after I rebooted, it randomly stopped working.. did some searching on the site, one idea was to do Code:
sudo lshw -C network
which I did, and it shows my internal wifi card (iwl3945) working fine, but says my wlan7 (Alfa usb) as:
network* Disabled
Also, in the upper right hand corner, the antenna is greyed out and says "Device Not Ready"
Okay currently I am using a a Belkin F6D4050v1 usb wireless n card on a 32 bit intall of ubuntu 9.10. I have already installed ndiswrapper and installed the the rt2870.inf driver and rebooted. But i still have no wireless. when I use the command "sudo lshw -C network" all i see is my pci wired nic card"lsusb" the ID of the card is "050d:935a Belkin Components""sudo iwconfig" sayslo no wireless extensionsetho no wireless extensions
I have a wired connection on the motherboard and a also a card for wireless communication.Wired connection works fine but my plan is now to setup wireless connection too.I was advised to use this in order to find installed network devices: sudo lshw -C network.Not sure, but I think it only reports details about the wired device. Is that correct?How could I get ubuntu to also find my wifi-card?
i was looking for a way to stop my menus taking a few seconds to load my icons when i first open them and found a few guides suggesting using the gtk-upate-icon-cache command, but with the any colour you like icon theme i'm using (stored in my home folder .icons directory) i kept getting a "gtk-update-icon-cache: The generated cache was invalid." fault i used the inbuilt facility in the acyl script to copy the icons to the usr/share/icons directory and tried the command again, this time using sudo gtk-update-icon-cache --force --ignore-theme-index /usr/share/icons/ACYL_Icon_Theme_0.8.1/ but i still get the same error. i tried with several of the custom icon themes i've installed and only 1 of the first 7 or 8 i tried successfully created the cache.
I have a 650 GB ext3 LVM partition with RAID 1 on. The partition is 85% full, but the system says "no space left on device" - where did the 15% go?I ran "tune2fs -m 0 /dev/mda1", so it is not the space reserved for the root - so Nautilus reports the same free capacity as GParted now.Some more info:- Ubuntu 9.10 x64- GParted says 650 GiB, 104.83 GiB free- Nautilus says 104.8 GiB free- The system thinks the disk is completely full - I cannot even create (touch) a new empty file
First of all, this isn't really a problem for me, but I'm just curious. In the past when I started a data CD project, I remember that k3b used to start me with a "blank CD" of 700MB and then expand to a "blank DVD" of 4.4GB when the amount of data exceeded the capacity of a CD. Normally I just make an ISO image for the CD and burn on another machine (for a reason not relevant here).
Today, it started me off with a "blank DVD" right away. It's not a problem because the ISO format isn't different and the data is under 700MB anyway. How come? Ah wait, I think I know what it is, there's a DVD+RW in the drive at the moment so k3b got too smart and assumed that I wanted to write to it, even though I selected Create image only.
Just rebuilt my file/print server using an ECS 945GCD-M Atom motherboard. Running it under 9.10 (2.6.31-20) using the same cable and port on my Netgear switch that my old server connected to at 1GB/s without issue (old server's NIC was Intel-based).
Found the driver is an AR813x, & downloaded & installed the latest driver from here (1.0.1.9). sudo lshw -C network now shows that it's using the new driver, but still sitting at 100MB/s:
my laptop battery capacity has gone low due to constant charging or whatsoever reason. previously it was at 62% and within 2 months its gone down to 32%. I use the laptop atleast for 18hrs every day. so is ther any solution to prevent my battery from losing the capicity.
i use dell studio 15 laptop, with 3 gigs of ram, lithium ion battery(56Wh), ati card, using compiz, p8600 processor. i use this for app development and for listening to music and videos.
I've recently completed a fresh install of 10.04 on a home file server and upgraded the hard drives in my storage array. My PREVIOUS hardware was:
Old version of Ubuntu (I forget which one exactly, but I know I had missed a few upgrade cycles)
3X 500 GB Seagate Baracuda's (for the array) Areca 1220 Hardware RAID controller Intel Core 2 Duo 6600 320 GB Seagate for the boot drive
I was running that hardware for about five years or so and it was rock solid. After the upgrade the hardware specs are:
Ubuntu 10.04 Areca 1220 hardware RAID controller 4x 1000GB Samsung Intel Core 2 Duo 6600 320 GB Seagate for the boot drive.
The fresh install of Ubuntu 10.04 went remarkably well. The drivers for that raid controller are in the kernel, which is great. I was able to access the old array after upgrading Ubuntu. Now I am trying to create a new array with the four 1000 GB drives in a RAID 5. Obviously that gives a maximum storage capacity of 3 TB, greater than the 2 TB threshold that seems to be so important. I've been doing some digging and here is where my questions start:
it appears as though gparted doesn't support file partitions greater than 2 TB, correct?
it also doesn't seem as though parted supports ext3 or ext4, is that correct?
If this is the case, how do I create a partition with ext4 that is greater than 2 TB?
I can see the array volume in gparted (which is a relief) but it lists the size as 2.73 TiB, which I find curious because that is over 2 TB, but not the full capacity of the volume. I can also get to the volume in parted. But I see in the parted documentation that using the makepartfs command is discouraged and instead, one should use the command mkpart to create an empty partition, and then use external tools like mke2fs ( to create the filesystem.
how to proceed from here. What does the community think is the best course of action to create a partition of 3TB in ext4? Then I need to change fdisk to automatically mount the array at every log in, right?
I have window 7 and Ubuntu 10.04 on my laptop.As you know if I extend the capacity of my ubuntu partion in window, I will lose ubuntu and I should reinstall it.I want to know if there is a way for extending my ubuntu partition from 20 Gb to 30 Gb without loosing ubuntu and windows?
