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• Windows script to create directories of 3,000 files

  - by uhpl1

  We have some email archiving that is dumping all the emails into a directory. Because of some performance reasons with the server, I want to setup an automated task that will run a script once a day and if there is more than 3,000 (or whatever number) of files in the main directory, create a new directory with the date and move all the main directory files into it. I'm sure someone has already written something similar, so if anyone could point me at it that would be great. Batch file or Powershell would both be fine.

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• Using a CF card as an IDE HDD

  - by dartacus

  I have an old Sony laptop (Vaio TR1-MP) that I like. The HDD has died and since it's a hard-to-find 1.8" IDE hard drive I'm considering buying one of those little CF card adaptors and a 16gb CF card. The total cost of that is about £30 and replacement HDDs for this model are far pricier. Has anyone replaced their HDD with a CF card in this way, and, crucially, is the performance utterly horrible afterwards? ;-) I've seen a couple of threads which hint it's possible but the advice eventually given was just to buy a SSD, but I'm not even sure if its possible to get a 1.8" SSD with an IDE connector that'll fit my laptop. (I freely admit that the most sensible thing to do would be to bin it and just buy a cheap netbook which would be smaller, faster and lighter than the sony, but it does have a very nice widescreen display and dammit I just like it !) Thanks, G

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• Database or website of kernel config files ?

  - by Kami

  I've experienced some kernel panic after trying to compile gentoo kernel for a Sun UltraSPARC T5120 Server. The kernel panic came from a missing support for the SAS disk controller in the menu config. I've wasted so much time because I had no clue about the hardware I was using. I know that the kernel config depends on what you plan to do with your machine but I want to have a configuration file that at least match my hardware ! Is there a website or database that provides menuconfig's kernel configuration files for known or branded hardware like Dell Server or Apple computers ?

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• Common filesystem for servers behind a rackspace load balancer

  - by thanos panousis

  Our PHP application consists of a single web server that will receive files from clients and perform a CPU-intensive analysis on them. Right now, analysis of a single user upload can take 3sec to conclude and take 100% CPU. This makes our system capacity amount to 1/3 requests per second. My team's requirement is to increase capacity without a lot of code reengineering. A possible solution would be to set up a load balancer in front of multiple servers running the same app, connecting to a common DB. The problem is that the analysis outputs files on disk. A load balancer would increase capacity, but then files won't be available between servers so consequent client requests may fail. We are hosted on Rackspace, is there a way to configure some sort of "common" storage for all servers, without having to rewrite our file persistance code? Current code relies on simple fopens etc. What are our options?

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• Is paravirtualization evil?

  - by Daniel

  I have an VMWare ESX Server v3.5 with a few virtualized Debian Lenny VMs (kernel 2.6.22 with vmi) running Apache Tomcat 5.5. I enabled paravirtualization, and Disk IO increased from about 240MB/s to 380MB/s, making me a happy admin. The problem now is that my apache tomcat becomes deadlocked during startup, running with 200% CPU (I have 2 CPUS assigned to the VM), and don't know how to get both: A stable system and a fast system. I somewhere heared that paravirtualization is legacy anyway and won't be available on newer ESX servers. Is there a replacement for this seemingly performance-improving option, or is it discontinued becauses it is just unstable? What is the state of paravirtualization? Should I ignore it completely? Thanks for all answers in advance.

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• Does Intel Smart Response provide any statistics on the cache usage?

  - by Tom Seddon

  I've set up my Z68-based Core i7 PC with a 60GB SSD dedicated as a Smart Response cache drive. Is there any way I can get any statistics out of it? It would be nice to have some information on how much cache space is actually being used, maybe how much of it was actually accessed recently, and how many reads in general are coming from the SSD rather than from the mechanical disk. These statistics might help to quickly provide some evidence for or against the use of Smart Response, without my having to reinstall Windows on the SSD (etc.) to find out. The Windows ReadyBoost feature has some performance counters you can access via the Windows 7 perfmon tool, for example, which is the kind of thing I'm hoping is somehow available. Smart Response provides no perfmon counters, though, and the Intel Rapid Storage Utility tells you pretty much nothing except that Smart Response is switched on.

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• Why does my USB stick not show up in Windows Vista?

  - by Kjensen

  Just reinstalled a Lenovo laptop with Vista. Two separate USB sticks, that work fine on another computer, will not show up on this Vista computer. USB ports work fine for other stuff. USB sticks worked before I reinstalled the computer. After looking around, I tried going into Disk management, to see if they appear there - they don't. Is there some sort of service, that might be disabled, not allowing removable drives to mount? Or what else can be wrong?

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• how do I delete my alternate drive icon on the ubuntu desktop?

  - by broiyan

  I'm on a system with a Windows drive and an Ubuntu drive (both physical, not virtual). Under the Ubuntu Places menu, there is a "320 GB file system" which is the Windows disk. The same drive also appears as an icon on the desktop (but unlike everything else on the desktop, it does not appear in the directory listing of ~/Desktop). I think the icon was put on the desktop by accident and I never use it because the Places menu suffices. How can I delete this icon? Selecting then deleting does not work.

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• Proper way to partition filesystem with Xen

  - by luckytaxi

  I'm coming from a vmware environment, wanting to play with Xen. I have a server with 2 x 500G SATA drives (no hardware RAID available, have to use software-based RAID1). My partitions are all RAID1 except for swap. I left a little over 400G for my VMs and I would like to use LVM for the disk images. For domU's swap, should I allocate that from the 400G or should that be coming from dom0's partition? I asked because I've seen numerous config options that shows either or.

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• difference between server and desktop

  - by user1241438

  I want to set up a webserver. I would like to buy a hardware for that and i am trying to understand if i should buy a desktop and host the webserver on that or do i have to buy some used server from ebay and host on it. Example is http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=180986172861&ssPageName=ADME:X:RTQ:US:1123 But what is the difference in desktop and server? These days even desktops are coming with high RAM. Only other difference i see is servers have RAID HARD disk. Is there any other difference?

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• Web & SQL Hosting 32 vs. 16 GB of ram

  - by TravisK

  I'm in the market for a new dedicated host for my website. My question is I can pay more to upgrade to 32GB of RAM, but it seems overkill for my website right now, in fact, 16GB seems a little overkill. However, I run a lot of pretty intense full text searches for my site. I'm wondering if SQL Server would benefit, or could it be configured to use the 32 GB of RAM if I purchase the additional to help speed things up? I am assuming that most of my latency is caused by disk I/O and that for the extra money spent on RAM, I might not see any improvement in overall speed?

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• Storage replication/mirror over WAN

  - by galitz

  Hello, We are looking at storage replication between two data centers (600km apart) to support an active-passive cluster design for disaster recovery. The OS layer will be mostly Windows Server 2003/2008 with some OpenSuSE Linux used for performance monitoring on VMWare or possibly XenServer. The primary application service to replicate is Nvision. Datacenter 1 will have two storage systems for local active-passive or perhaps active-active replication with Datacenter 2 used as a last resport disaster recovery site. We have a handle on most aspects, but I am looking for specific recommendations on storage platforms that can handle remote replication cleanly. Thanks.

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• IE10 does not open .pdf

  - by user203298

  I can't open any PDFs in IE10 on Win7 64bit. I've tested with PDFs from Intranet / Internet / local file system, http and https. I've tested installing/uninstalling Acrobat Reader 11.0.03 and the Nitro PDF Reader. I've also tried enabling/disabling the Tools Internet Options Advanced Security Do not save encrypted pages to disk option. In Google Chrome PDFs are opened in the Acrobat Reader Plugin, but in IE10 the only thing I always get is a small cross in the top left corner of the browser. Can anybody help me?

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• My NTFS Partition keeps becoming "unusable" on Ubuntu, Any Ideas?

  - by gopherman

  I just purchased a new 2TB Drive External Seagate, My main system uses both Windows and Ubuntu So I am pretty much stuck with keeping my drive as NTFS. I have done this without any problems before but since I got this new drive I have been having issues. When I first load up Ubuntu the drive mounts and runs fine, after an unspecified amount of time i start getting Input/Output errors when accessing the drive. When I goto the Disk Utility I get a message stating the drive is "Unknown or Unused", If I disconnect and reconnect the drive or reboot everything is fine again. There's no errors coming up with S.M.A.R.T and it seems to work fine while under windows. Any thoughts?

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• My NTFS Partition keeps becoming "unusable" on Ubuntu, Any Ideas?

  - by gopherman

  I just purchased a new 2TB Drive External Seagate, My main system uses both Windows and Ubuntu So I am pretty much stuck with keeping my drive as NTFS. I have done this without any problems before but since I got this new drive I have been having issues. When I first load up Ubuntu the drive mounts and runs fine, after an unspecified amount of time i start getting Input/Output errors when accessing the drive. When I goto the Disk Utility I get a message stating the drive is "Unknown or Unused", If I disconnect and reconnect the drive or reboot everything is fine again. There's no errors coming up with S.M.A.R.T and it seems to work fine while under windows. Any thoughts?

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• Late Model 2011 Macbook Pro with SSD appears to be off somehow

  - by chris

  Ok, I just got a SSD for my Macbook Pro Late-2011. The specs from what I read are that the laptop is capable of 6gbps, so I got myself a OZC Agility 240gb 6gbps SSD. Decided to join the club and speed test it with Blackmagic Disk Speed Test.. and the results are equivilent to that of a 3gbps setup. So.. I am wondering overall is there a configuration setting somewhere I can tweak? The original HD was a 500gb HDD the spinning kind. So I'm figuring maybe thats why there may be a setting somewhere hidden I dunno about that I can tweak, just wanna see if anyone else knows if this is the case. edit should also mention did a fresh factory install, nothing carried over from original hd

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• What is the Optimal Server Configuration for Split-Path Testing?

  - by doug

  I am far from an expert on Apache or any server for that matter, so i apologize if this question is poorly worded, which it likely is. We have always relied on a vendor for split-path testing (aka "AB Testing"). If you're not familiar with that term, it's a form of marketing research in which you slightly modify one of your web pages (usually one nearest the point of conversion), say for instance, by changing the position of the "Buy Now" button or its color/contrast/texture, then serving one of those two pages to a given user based on random selection. By doing split-path testing ourselves, I suspect we can do it far more cheaply and increase cycle times as well. What is the optimal set-up for these tests? "Optimal" is based on the following criteria: how quickly/easily new tests can be set-up and put online; and minimal disruption to overall site performance

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• OPTIONS * HTTP/1.0 APACHE

  - by Abby E

  I been noticing a lot lately in my /server-status the OPTIONS * HTTP/1.0 has been coming up lately a lot. I'm running Ubuntu 12.04 with the latest apache/php/MySQL. I'm not sure what they're for but I would like to see if it would effect performance by some how turning it off. I host some stuff that is accessed a lot that uses PHP/MySQL (600 rps). I'm not sure what it's there for but I do see the local 127.0.0.1 IP, so I assume it's something running local. What is it? How do your turn it off? If turned off how would it effect performance? The list below is a small example of it. (127.0.0.1 REMOVED.(null) hostname has been removed) 211-0 - 0/0/1035 . 24.28 240189 0 0.0 0.00 0.18 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 212-0 - 0/0/51274 . 677.97 202960 0 0.0 0.00 8.99 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 213-0 - 0/0/419 . 11.85 240424 0 0.0 0.00 0.07 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 214-0 - 0/0/240 . 7.96 240552 0 0.0 0.00 0.04 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 215-0 - 0/0/309 . 9.29 240492 0 0.0 0.00 0.05 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 216-0 - 0/0/98510 . 1258.25 177391 0 0.0 0.00 17.29 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 217-0 - 0/0/338 . 10.18 240464 0 0.0 0.00 0.06 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 218-0 - 0/0/345 . 10.27 240469 0 0.0 0.00 0.06 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 219-0 - 0/0/118538 . 1507.99 168914 0 0.0 0.00 20.80 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 220-0 - 0/0/98452 . 1259.10 177412 0 0.0 0.00 17.29 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 221-0 - 0/0/384 . 10.84 240453 0 0.0 0.00 0.06 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 222-0 - 0/0/331 . 10.03 240477 0 0.0 0.00 0.06 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 223-0 - 0/0/314 . 9.04 240493 0 0.0 0.00 0.05 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 224-0 - 0/0/75193 . 975.24 188845 0 0.0 0.00 13.18 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 225-0 - 0/0/362 . 10.62 240457 0 0.0 0.00 0.06 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 226-0 - 0/0/125773 . 1593.26 165647 0 0.0 0.00 22.06 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 227-0 - 0/0/82541 . 1063.89 185092 0 0.0 0.00 14.48 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 228-0 - 0/0/409 . 11.50 240436 0 0.0 0.00 0.07 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 229-0 - 0/0/219 . 7.38 240581 0 0.0 0.00 0.04 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 230-0 - 0/0/357 . 10.48 240458 0 0.0 0.00 0.06 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 231-0 - 0/0/469 . 12.39 240411 0 0.0 0.00 0.08 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 232-0 - 0/0/394 . 11.32 240445 0 0.0 0.00 0.07 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 233-0 - 0/0/276 . 9.00 240510 0 0.0 0.00 0.05 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 234-0 - 0/0/245 . 8.51 240536 0 0.0 0.00 0.04 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 235-0 - 0/0/215 . 7.45 240555 0 0.0 0.00 0.04 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 236-0 - 0/0/370 . 11.00 240443 0 0.0 0.00 0.06 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 237-0 - 0/0/400 . 10.96 240446 0 0.0 0.00 0.07 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 238-0 - 0/0/266 . 8.51 240531 0 0.0 0.00 0.04 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 239-0 - 0/0/304 . 9.81 240499 0 0.0 0.00 0.05 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 240-0 - 0/0/446 . 12.47 240421 0 0.0 0.00 0.08 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 241-0 - 0/0/19741 . 282.90 230130 0 0.0 0.00 3.45 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 242-0 - 0/0/98503 . 1259.43 177404 0 0.0 0.00 17.28 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 243-0 - 0/0/251 . 7.93 240551 0 0.0 0.00 0.04 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 244-0 - 0/0/273 . 8.42 240534 0 0.0 0.00 0.05 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 245-0 - 0/0/118485 . 1508.14 168950 0 0.0 0.00 20.79 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 246-0 - 0/0/294 . 9.35 240509 0 0.0 0.00 0.05 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 247-0 - 0/0/413 . 12.34 240437 0 0.0 0.00 0.07 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 248-0 - 0/0/258 . 8.55 240529 0 0.0 0.00 0.04 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0 249-0 - 0/0/303 . 9.77 240485 0 0.0 0.00 0.05 127.0.0.1 REMOVED.(null) OPTIONS * HTTP/1.0

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• VirtualBox cloned Ubuntu Server network error

  - by Luke

  I run a number of virtual servers on my network and I want to be able to easily clone base installations of Ubuntu Server. I use the VBoxManage command to clone the actual hard disk and I then create a new profile for my VM and copy over the settings of the original VM. However, when I boot into the cloned VM, there seems to be a network problem. When I issue a PING I get the message "Network unreachable". I traced it down to the fact that the virtual network card of the cloned VM has a different MAC address then the original VM. When I copy the MAC address the clone seems to work fine. How can I have the cloned VM have it's own MAC address?

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• people_dl_import shows millions of records

  - by amit lohogaonkar

  We have a situation now on prod in sharepoint 2007 based intranet platform and it shows thousands of records under people_dl_import category with format spsimport://?$$dl$$/domain1/domain2/domain3/ Also import was not stopping and added millions of records in database and was on verge of disk full. On other servers like dev we have very less data in this category and format is also like spsimport://doaminname?$$dl$$?... which is good and has only 6000 rows and in prod its 2 millions Crawled under people_dl_import category. I need to know the cause of this garbage data and how to fix it. I tried resetting content source and I will do full import in this weekend to see if this garbage data gets cleared. Any idea on cause for thiss issue?

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• C drive should only contain OS. Myth or fact?

  - by Fasih Khatib

  So, I have a 500GB HDD @7200RPM. It is split as: C: 97GB D: 179GB E: 188GB My belief is to keep OS ONLY in C:\ and any adamant programs that won't go anywhere apart from C:\ [because this speeds up the PC during startup process] and install programs in D:\ so that in case I have to reinstall the OS, I will have the programs readily available after reinstall. But I have begun to think this approach is flawed because if C:\ is formatted, I will lose registry values and stuff that goes in %appdata% and so it is no use keeping programs in D:/ drive because they will be useless after all. Should I go ahead and install ALL of my programs in C:\ and then use D:\ and E:\ for storing my data like photos, text files, java files n all? How will this impact the performance of the HDD? I only have 3 programs in D:\Program Files so it will be easy to reinstall them :)

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• growing EBS RAID volume

  - by Ryan Fernandes

  I've created a RAID0 configuration with two 1GB EBS volumes, mounted at /dev/md0 using mdadm and formatted with XFS Next, I copied some files over to fill the volume to around 30% of its capacity (of 2GB) I then created snapshots of the volumes using ec2-consistent-snapshot and created volumes of the said snapshots but specified the volume size to be 2GB (effective doubling the capacity on each disk) I then spun up a new instance, assembled the RAID0 configuration on /dev/md0 from the 2 volumes mentioned above and mount it to /vol df -hT showed /vol as 2GB (as expected) Now I ran sudo xfs_growfs -d /vol. The command completed normally but reported blocks changed from 523776 to 524160 (only!) and df -hT still showed /vol as 2GB (instead of the expected 4GB) I rebooted, remounted, reassembled the RAID but it still reports the old size. EDIT: trying to grow the RAID using mdadm --grow yields mdadm: raid0 array /dev/md0 cannot be reshaped Is there any other way I can grow a RAID0 array?

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• Create a web interface that starts VM's on the server side

  - by xdragonforce

  I am creating a service called TorCompute which allows for creating virtual Tor Hidden Service servers on my infrastructure (I say infrastructure, by that I mean just the 3x 32GB RAM machines waiting to be purchased). What I would like to be able to do is for users to log on, access the web interface and spin up a VM with a variable about of RAM/Disk Space. I've written the PHP for logging in and have a nice web interface, just I need the code to actually create them! How would I go about doing this? Thanks, Stewart EDIT: I will run them with VMWare Server, with vmrun

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• Just how slow should my VPN be?

  - by David Heggie

  I have a VPN setup between a remote office with 2 ADSL connections (8Mb downstream, 512Kb upstream) and a main office with a 10Mb EFM connection (10Mb both up and down). The VPN is an IPSec connection using a DrayTek 2930 router for the ADSL and a DrayTek 3200 router at the EFM end. However, I'm unable to get speeds over this connection (tested with iperf) of anything over 600Kb or so down from the main office (traffic will pretty much always be from the main office to the remote office) Whilst I realise that there is an overhead and I'm never going to get the "full" bandwidth available over this VPN, I'd like to think that there's something I should be looking at that may help improve it. I've tried using the DrayTek's built-in "VPN Trunking" features which are supposed to load-balance connections, but this doesn't seem to improve matters much. I guess my question is - is this the kind of performance I should expect from this kind of setup and I'll just have to live with it, or should I be able to squeeze something more out of it through some VPN magic?

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• ESXi 4 failed to find boot device

  - by phil

  I had exsi 3.5 running just fine, the upgrade to 4 failed ( i thought it would so everything is backed up ). but it did boot just could not import the data store So i did a fresh install of ESXi 4. Now it says failed to find boot device. Not sure why. i have wiped the disk, the controller is a adaptec 3405, it worked fine in 3.5 and when i upgrade to 4 it did boot. Now it just hangs at loading vfat. then the failed to find boot device. Any ideas?

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