similar to: putting "/tmp" to memory

Anyone using it? http://beta.eset.com/linux What are the experiences? Does it slows down the pc? Do we need it? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110123/4831dc0b/attachment-0002.html>

https://www.psc.edu/networking/projects/hpn-ssh/hpn-v-ssh-tput.jpg "SCP and the underlying SSH2 protocol implementation in OpenSSH is network performance limited by statically defined internal flow control buffers. These buffers often end up acting as a bottleneck for network throughput of SCP, especially on long and high bandwith network links. Modifying the ssh code to allow the buffers

How to disable autorun? Are there any hidden autorun features on a standard CentOS install?? http://securitytube.net/USB-Autorun-attacks-against-Linux-at-Shmoocon-2011-video.aspx -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110207/c3f7644f/attachment-0001.html>

http://i.imgur.com/rUKeu.png how could i configure the GNOME-panel to have several columns [if there are many applications]? ~~like this: http://i.imgur.com/ElgAA.jpg Thank you! -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110203/14e5ab1a/attachment-0001.html>

Hi, I am a newbie into kernel booting process. I have read few things about boot process of the linux kernel. I am stuck at few things, which I am confident, someone from the list might help on - - If I pass a ramfs image as an intrd paramter from the bootloader (say grub), then will the kernel treat this as a ramfs image only? - initrd image is also, packed using cpio archive, then

I appear to be seeing the performance of a local ZFS file system degrading over a short period of time. My system configuration: 32 bit Athlon 1800+ CPU 1 Gbyte of RAM Solaris 10 U6 SunOS filer 5.10 Generic_137138-09 i86pc i386 i86pc 2x250 GByte Western Digital WD2500JB IDE hard drives 1 zfs pool (striped with the two drives, 449 GBytes total) 1 hard drive has

Hello, I have a dovecot IMAP server (relative small hardware: HP Microserver with 6 Gbyte RAM, linux soft RAID1 with 2x 7200 SATA disk) with 100 Gbyte maildirs. Server works fine but sometimes I can open mails slowly (5-10 sec), typical with new mails. It's intresting when I open an another old mail (with 0 sec wait), after new mail open quickly. Is it dovecot mail indexes or I/O problem?

Hi everyone, I'm trying to use samba in a small video post production house but we are not getting the performance we expected. Our setup: - CenOS 5.6 x86-64 - samba.x86_64 (3.0.33-3.29.el5_6.2 and 3.6.0rc1) - Intel based server (One 4 core Xeon E5620 @ 2.40GHz, 8 GB RAM) - 4 Intel Gigagit ethernet NIC ports with 802.3ad bonding connected to a switch configured tu use 802.3ad - 8 2TB 7.2

In v1.0 .. v1.1 deliver was writing incoming >128k mail to /tmp file (to avoid reading it all into memory). In v1.2 I moved it to user's home directory. This slowed deliveries for NFS users. Also people with filesystem quota had trouble since now user required twice as much available quota to save a message. The FS quota problem was "solved" by having quota-fs plugin change the

Has anyone ever mounted their /var/lib/mysql on a tmpfs or ramfs? Are there any performance gains to be made doing this? TIA

I'm not sure when exactly this started, but currently when I specify a ramfs image via the initrd line in grub, kinit picks it up as an initrd and tries (and fails) to unpack it and run linuxrc from it. I'm assuming this is not the intended behavior. Can anyone point me into the proper direction for unpacking an initramfs image ontop of the in-kernel image? Currently, I am using kernel

I am working with some large text files (up to 16 GBytes). I am interested in extracting the words and counting each time each word appears in the text. I have written a very simple R program by following some suggestions and examples I found online. If my input file is 1 GByte, I see that R uses up to 11 GBytes of memory when executing the program on a 64-bit system running CentOS 6.3. Why is

Reading a flat text file 138 Mbyte large into R with a combination of scan (to get the header) and read.table. After conversion of text time stamps to POSIXct and conversion of integer codes to factors I convert everything into one data frame and release the old structures containing the data by using rm(). Strangely, the rm() does not appear to reduce the used memory. I checked using

Hello, I was using a bunch of cpios in initramfs as a working system, and wondering why the unused files weren't being paged out to swap. So I reread ramfs-rootfs-initramfs.txt and now I know. So I wrote the attached utility. It creates a tmpfs, moves all files on the initramfs, moves / and executes the real init. It works, even with hardlinks, but it isn't the correct approach. Have

Hello all, I am having problems with memory when running R on my PC. I do not have many large objects in my workspace, and yet when trying to create a new vector I often encounter this error message: > lat <- header$lat[match(profile$id, header$id)] Error: cannot allocate vector of size 4575 Kb Since it seems like this may indicate that I don't have enough memory available, I

Duncan Brown wrote: > On 03/12/2015 17:00, m.roth at 5-cent.us wrote: >> Duncan Brown wrote: >>> On 03/12/2015 14:29, Leon Fauster wrote: >>>> Am 03.12.2015 um 15:06 schrieb Duncan Brown <centos2 at duncb.co.uk>: >>>>> On 03/12/2015 13:54, Jonathan Billings wrote: >>>>>> On Thu, Dec 03, 2015 at 01:44:47PM +0000, Duncan Brown

dovecot-1.2.7 If /var/run/dovecot does not exist when dovecot starts up (e.g. required when /var/run is a tmpfs/ramfs), it creates it. But it creates it with the wrong file mode -- the directory is mode 777. Being world writable means any user could change the name of any file within the directory, including the login directory, and then create their own new login directory. Or remove the pid

Harcoding default content of initramfs in the gen_initramfs_list.sh script seems ackward. Move it to a file named: usr/initramfs.default This also fixes a small bug when no arguments was passed to CONFIG_INITRAMFS_SOURCE (-d was passed twice to the script) Idea and bug report from: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> ---

Generate dependencies almost like done by fixdep in the kernel. This teaches make to rebuild cpio image when content has changed. Also restructured usr/Kbuild a little so we better utilise parallel makes (dash, gzip, utils and kinit are now build in parallel). Signed-off-by: Sam Ravnborg <sam@ravnborg.org> --- patch is on top of hpa's linux tree, so path differ if applied to the klibc

How can I slow down dd? I don't want to slow down the pc, when generating a big file [~40 GByte]. Does ionice work properly? Thank you for any help! :\