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  • Why SQL Developer Rocks for the Advanced User Too

    - by thatjeffsmith
    While SQL Developer may be ‘perfect for Oracle beginners,’ that doesn’t preclude advanced and intermediate users from getting their fair share of toys! I’ve been working with Oracle since the 7.3.4 days, and I think it’s pretty safe to say that the WAY an ‘old timer’ uses a tool like SQL Developer is radically different than the ‘beginner.’ If you’ve been reluctant to use SQL Developer because it’s a GUI, give me a few minutes to try to convince you it’s worth a second (or third) look. 1. Help when you want it, and only when you want it One of the biggest gripes any user has with a piece of software is when said software can’t get out of it’s own way. When you’re typing in a word processor, sometimes you can do without the grammar and spelling checks, the offer to auto-complete your words, and all of the additional mark-up. This drives folks to programs like Notepad++ and vi. You can disable the code insight feature so you can type unmolested by SQL Developer’s attempt to auto-complete your object names. Now, if you happen to come across a long or hard to spell object name, you can still invoke the feature on demand using Ctrl+Spacebar Code Editor – Completion Insight – Enable Completion Auto-Popup (Keyword being Auto) 2. Automatic File Tracking SQL*Minus is nice. Vi is cool. Notepad++ has a lot of features I like. But not too many editors offer automatic logging of changes to your files without having to setup a source control system. I was doing some work on my login.sql. I’m not doing anything crazy, but seeing what I had done in previous iterations was helpful. Now imagine how nice it would be to have this available for your l,000+ line scripts! Track your scripts as they change, no setup required! 3. Extend the Functionality Know SQL and XML? Wish SQL Developer did JUST a little bit more? Build your own extensions. You can have custom context menus and object pages in just a few minutes. This is an example of lazy developers writing code that write code. 4. Get Your Money’s Worth You’ve licensed Enterprise Edition. You got your Diagnostic and Tuning packs. Now start using them! Not everyone has access to Enterprise Manager, especially developers. But that doesn’t mean they don’t need help with troubleshooting and optimizing poorly performing SQL statements. ASH, AWR, Real-Time SQL Monitoring and the SQL Tuning Advisor are built into the Reports and Worksheet. Yes you could make the package calls, but that’s a whole lot of typing, and I’d rather just get to the results. 5. Profile, Debug, & Unit Testing PLSQL An Interactive Development Environment (IDE) built by the same folks that own the programming language (Hello – Oracle PLSQL!) should be complete. It should ‘hug’ the developer and empower them to churn out programs that work, run fast, and are easy to maintain. Write it, test it, debug it, and tune it. When you’re running your programs and you just want to see the data that’s returned, that shouldn’t require any special settings or workaround to make it happen either. Magic! And a whole lot more… I could go on and talk about the support for things like DataPump, RMAN, and DBMS_SCHEDULER, but you’re experts and you’re plenty busy. If you think SQL Developer is falling short somewhere, I want you to let us know about it.

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  • Retrieving a specific value from “df -h” using shell

    - by diegodias
    When I use df -h, I get the following output: Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 59G 2.2G 54G 4% / /dev/sda1 122M 38M 78M 33% /boot tmpfs 1.1G 0 1.1G 0% /dev/shm 10.10.0.105:/somepath 11T 8.4T 2.1T 81% /storage4 10.11.0.101:/somepath 15T 8.9T 5.9T 61% /storage1 /dev/mapper/patha 5.0T 255G 4.8T 5% /storage5_vol0 /dev/mapper/pathb 5.0T 195G 4.9T 4% /storage5_vol1 /dev/mapper/pathc 5.0T 608G 4.5T 12% /storage5_vol2 I want to write a script that gets the value of Avail column on a specific storage. I used to use df -k /storage_name | tail -1 | awk '{print $3}' But the FileSystem column can have a value or not .. which would change the variable of my script from $3 to $4. How can I get the Avail on a single command line even if there are no values on the previous columns?

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  • Correct For Loop Design

    - by Yttrill
    What is the correct design for a for loop? Felix currently uses if len a > 0 do for var i in 0 upto len a - 1 do println a.[i]; done done which is inclusive of the upper bound. This is necessary to support the full range of values of a typical integer type. However the for loop shown does not support zero length arrays, hence the special test, nor will the subtraction of 1 work convincingly if the length of the array is equal to the number of integers. (I say convincingly because it may be that 0 - 1 = maxval: this is true in C for unsigned int, but are you sure it is true for unsigned char without thinking carefully about integral promotions?) The actual implementation of the for loop by my compiler does correctly handle 0 but this requires two tests to implement the loop: continue: if not (i <= bound) goto break body if i == bound goto break ++i goto continue break: Throw in the hand coded zero check in the array example and three tests are needed. If the loop were exclusive it would handle zero properly, avoiding the special test, but there'd be no way to express the upper bound of an array with maximum size. Note the C way of doing this: for(i=0; predicate(i); increment(i)) has the same problem. The predicate is tested after the increment, but the terminating increment is not universally valid! There is a general argument that a simple exclusive loop is enough: promote the index to a large type to prevent overflow, and assume no one will ever loop to the maximum value of this type.. but I'm not entirely convinced: if you promoted to C's size_t and looped from the second largest value to the largest you'd get an infinite loop!

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  • help animating a player in Corona SDK

    - by andrew McCutchan
    Working on a game in the Corona SDK with Lua and I need help so the player animates on the line drawn. Right now he animates at the beggining and the end but not on the line. Here is the player code: function spawnPlayerObject(xPlayerSpawn,yPlayerSpawn,richTurn) --spawns Rich where we need him. -- riches sprite sheet and all his inital spirites. We need to adjust this so that animations 3-6 are the only ones that animate when moving horizontally local richPlayer = sprite.newSpriteSet(richSheet1,1,6) sprite.add(richPlayer, "rich", 1,6,500,1) rich = sprite.newSprite(richPlayer) rich.x = xPlayerSpawn rich.y = yPlayerSpawn rich:scale(_W*0.0009, _W*0.0009) -- scale is used to adjust the size of the object. richDir = richTurn rich.rotation = richDir rich:prepare("rich") rich:play() physics.addBody( rich, "static", { friction=1, radius = 15 } ) -- needs a better physics body for collision detection. end And here is the code for the line: function movePlayerOnLine(event) --for the original image replace all rich with player. if posCount ~= linePart then richDir = math.atan2(ractgangle_hit[posCount].y-rich.y,ractgangle_hit[posCount].x-rich.x)*180/math.pi playerSpeed = 5 rich.x = rich.x + math.cos(richDir*math.pi/180)*playerSpeed rich.y = rich.y + math.sin(richDir*math.pi/180)*playerSpeed if rich.x < ractgangle_hit[posCount].x+playerSpeed*10 and rich.x > ractgangle_hit[posCount].x-playerSpeed*10 then if rich.y < ractgangle_hit[posCount].y+playerSpeed*10 and rich.y > ractgangle_hit[posCount].y-playerSpeed*10 then posCount = posCount + 1 end end I don't think anything has changed recently but I have been getting an error when testing of "attempt to upvalue "rich" a nil value" on the second line, richDir = etc.

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  • Securely wiping a file on a tmpfs

    - by Nanzikambe
    I have a script that decrypts some data to a tmpfs, the directory is secure (permissions), the machine's swap is encrypted (random key on boot) and when the script is done it does a 35 pass wipe (Peter Gutmann) of the cleartext on the tmpfs . I do this because I'm aware wiping files on a journaling file system is insecure, data may be recovered. For discussion, here're the relevant bits extracted: # make the tmpfs mkdir /mnt/tmpfs chmod 0700 /mnt/tmpfs mount -t tmpfs -o size=1M tmpfs /mnt/tmpfs cd /mnt/tmpfs # decrypt the data gpg -o - <crypted_input_file> | \ tar -xjpf - # do processing stuff # wipe contents find . -type f -exec bcwipe -I {} ';' # nuke the tmpfs cd .. umount -f /mnt/tmpfs rm -fR /mnt/tmpfs So, my question, assuming for the moment that nobody is able to read the cleartext in the tmpfs while it exists (I use umask to set cleartext to 0600), is there any way any trace of the cleartext could remain either in memory or on disk after the snippet above completes?

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  • Tips for debugging Samba performance?

    - by j-g-faustus
    Samba gives me 24 MB/s read and 44 MB/s write, while ftp gives 97 and 112 MB/s under the same circumstances. The documentation says that Generally, you should find that Samba performs similarly to ftp at raw transfer speed. In my case it clearly doesn't. Where can I find tips on how to debug Samba performance? Or alternatively tips for replacing Samba with something else? (I can't use ftp, unfortunately, as I need something that can be used with rsync/rsnapshot.) More details: Both computers are running Ubuntu 10.10 (using Samba because I have a Mac as well) The Samba share is on a local home network, mounted as $ mount ... //server.local/share/ on /mnt/share type cifs (rw,mand) Samba performance was tested by copying (cp) a single file of ~4GB to and from the share, using time for timing and calculating transfer speed by hand. ftp performance are the numbers from the ftp client for get/put of the same file. iperf gives network speed ~900 Mbits/s bonnie++ gives disk speeds 200 MB/s on both sides for block reads as well as block writes Tried changing the parameters suggested in the performance tuning HOWTO (read/write raw, read size, socket options), most of them made little to no difference. (The one that made a difference caused write speed to drop 50%.)

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  • How to backup 20+TB of data?

    - by Jesus Fidalgo
    We have a NAS server at the company I work for that is being used for storing photography sessions. Each session is approximately 100gb. Over the last couple of years this server has accumulated 10+ TB of data, and we are increasing the amount of photoshoots exponentially. I estimate that by the end of next year we will have 20+ TB stored on this NAS. We are currently backing this server up to tape using LTO-5 tapes with Symantec BackupExec. Since the size of this server has grown, full backups of this server are not completing overnight. Does anyone have any suggestion on how to backup this amount of data? Should we be backing it up to tape? Are there any other options which may be better?

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  • Bridged VM guest does not get IPv6 prefix

    - by Arne
    I have a similar problem and setup as described in IPv6 does not work over bridge. My host get a IPv6 prefix but the guest VM only gets a local fe80-prefix. Using tcpdump I can see that solicit messages are going out from the guest but the host (ubuntu-server) doesn't seem to respond: arne@ubuntu-server:/var/log$ sudo tcpdump -i br0 host fe80::5054:00ff:fe4d:9ae0 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on br0, link-type EN10MB (Ethernet), capture size 65535 bytes 14:31:15.314419 IP6 fe80::5054:ff:fe4d:9ae0 > ff02::16: HBH ICMP6, multicast listener report v2, 4 group record(s), length 88 14:31:15.322337 IP6 fe80::5054:ff:fe4d:9ae0 > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28 14:31:15.502374 IP6 fe80::5054:ff:fe4d:9ae0 > ff02::16: HBH ICMP6, multicast listener report v2, 1 group record(s), length 28 14:31:15.743894 IP6 fe80::5054:ff:fe4d:9ae0.dhcpv6-client > ff02::1:2.dhcpv6-server: dhcp6 solicit 14:31:15.802389 IP6 fe80::5054:ff:fe4d:9ae0 > ff02::16: HBH ICMP6, multicast listener report v2, 4 group record(s), length 88 14:31:17.906580 IP6 fe80::5054:ff:fe4d:9ae0.dhcpv6-client > ff02::1:2.dhcpv6-server: dhcp6 solicit I had a firewall issue which I fixed by adding the following (copied from similar IPv4 before.rules settings) to /etc/ufw/before6.rules at the end before the commit statement: # allow bridging (for KVM) -I FORWARD -m physdev --physdev-is-bridged -j ACCEPT I am running the host on a Ubuntu 14.04 server so I guess I could have used dnsmasq but I didn't find any howto for it so I used radvd (which had to be installed) with the following configuration in /etc/radvd.conf: interface br0 { AdvSendAdvert on; AdvLinkMTU 1480; prefix 2a01:79d:xxx::/64 { AdvOnLink on; AdvAutonomous on; }; }; This didn't help though so I guess I must have configured it wrong? Any help appreciated. Br, Arne PS: I wish the Ubuntu documentation included how to configure virtualization to work with IPv6

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  • How to copy directories using debugfs?

    - by tjbp
    The debugfs manpage gives the impression that the command 'rdump . .' will recursively copy all files found on the specified filesystem from the debugfs cwd to the native filesystem's cwd. Instead I seem to receive a syntax error, and no copy is initiated? These are the commands I run: cd /path/to/transfer/destination debugfs /dev/sda1 -R rdump . . My task is to copy the entire contents of a clean yet unmountable USB storage device to its host machine's HD. The host machine does not support the inode size used by the USB device's filesystem (256) and its software is not upgradeable, so my intention was to use debugfs to transfer the files. If anyone has any other suggestions for this task I'd be grateful.

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  • Kernel oops on Linux running in VirtualBox breaks some IO-related functionality on the server

    - by Kristoffer E
    We are having problems with CentOS release 6.3 running in VirtualBox on Windows 7 machines. The symptoms are the following: Everything works as normal for several hours, even days. Then something happens which breaks the system. What we still can do after this something happens: Access the web server Use existing SSH sessions to run top and free What does not work: Starting new SSH sessions (hangs after username and password is entered) Running ls in existing SSH sessions (hangs) SSI includes from our web servers that fetch data from remote machines probably more What we see on the server when this something happens is the following: Load average go from basically nothing to around 3 CPU usage is still low (5%) Disk activity is low (running iostat) Plenty of memory available Plenty of disk space available In /var/log/messages we get the following: Jun 14 01:10:48 devvm kernel: e1000 0000:00:03.0: eth0: Detected Tx Unit Hang Jun 14 01:10:48 devvm kernel: Tx Queue <0> Jun 14 01:10:48 devvm kernel: TDH <2e> Jun 14 01:10:48 devvm kernel: TDT <30> Jun 14 01:10:48 devvm kernel: next_to_use <30> Jun 14 01:10:48 devvm kernel: next_to_clean <2e> Jun 14 01:10:48 devvm kernel: buffer_info[next_to_clean] Jun 14 01:10:48 devvm kernel: time_stamp <1038284db> Jun 14 01:10:48 devvm kernel: next_to_watch <2f> Jun 14 01:10:48 devvm kernel: jiffies <103828b42> Jun 14 01:10:48 devvm kernel: next_to_watch.status <0> Jun 14 01:10:50 devvm kernel: e1000 0000:00:03.0: eth0: Detected Tx Unit Hang Jun 14 01:10:50 devvm kernel: Tx Queue <0> Jun 14 01:10:50 devvm kernel: TDH <2e> Jun 14 01:10:50 devvm kernel: TDT <30> Jun 14 01:10:50 devvm kernel: next_to_use <30> Jun 14 01:10:50 devvm kernel: next_to_clean <2e> Jun 14 01:10:50 devvm kernel: buffer_info[next_to_clean] Jun 14 01:10:50 devvm kernel: time_stamp <1038284db> Jun 14 01:10:50 devvm kernel: next_to_watch <2f> Jun 14 01:10:50 devvm kernel: jiffies <103829312> Jun 14 01:10:50 devvm kernel: next_to_watch.status <0> Jun 14 01:10:52 devvm kernel: ------------[ cut here ]------------ Jun 14 01:10:52 devvm kernel: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Not tainted) Jun 14 01:10:52 devvm kernel: Hardware name: VirtualBox Jun 14 01:10:52 devvm kernel: NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out Jun 14 01:10:52 devvm kernel: Modules linked in: vboxsf(U) ipv6 ppdev parport_pc parport microcode sg vboxguest(U) i2c_piix4 i2c_core e1000 snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc pcnet32 mii ext4 mbcache jbd2 sd_mod crc_t10dif ahci dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan] Jun 14 01:10:52 devvm kernel: Pid: 0, comm: swapper Not tainted 2.6.32-279.el6.x86_64 #1 Jun 14 01:10:52 devvm kernel: Call Trace: Jun 14 01:10:52 devvm kernel: <IRQ> [<ffffffff8106b747>] ? warn_slowpath_common+0x87/0xc0 Jun 14 01:10:52 devvm kernel: [<ffffffff8106b836>] ? warn_slowpath_fmt+0x46/0x50 Jun 14 01:10:52 devvm kernel: [<ffffffff814595fd>] ? dev_watchdog+0x26d/0x280 Jun 14 01:10:52 devvm kernel: [<ffffffff81099138>] ? sched_clock_cpu+0xb8/0x110 Jun 14 01:10:52 devvm kernel: [<ffffffff81459390>] ? dev_watchdog+0x0/0x280 Jun 14 01:10:52 devvm kernel: [<ffffffff8107e897>] ? run_timer_softirq+0x197/0x340 Jun 14 01:10:52 devvm kernel: [<ffffffff810a21c0>] ? tick_sched_timer+0x0/0xc0 Jun 14 01:10:52 devvm kernel: [<ffffffff8102b40d>] ? lapic_next_event+0x1d/0x30 Jun 14 01:10:52 devvm kernel: [<ffffffff81073ec1>] ? __do_softirq+0xc1/0x1e0 Jun 14 01:10:52 devvm kernel: [<ffffffff81096c50>] ? hrtimer_interrupt+0x140/0x250 Jun 14 01:10:52 devvm kernel: [<ffffffff8100c24c>] ? call_softirq+0x1c/0x30 Jun 14 01:10:52 devvm kernel: [<ffffffff8100de85>] ? do_softirq+0x65/0xa0 Jun 14 01:10:52 devvm kernel: [<ffffffff81073ca5>] ? irq_exit+0x85/0x90 Jun 14 01:10:52 devvm kernel: [<ffffffff81505be0>] ? smp_apic_timer_interrupt+0x70/0x9b Jun 14 01:10:52 devvm kernel: [<ffffffff8100bc13>] ? apic_timer_interrupt+0x13/0x20 Jun 14 01:10:52 devvm kernel: <EOI> [<ffffffff810387cb>] ? native_safe_halt+0xb/0x10 Jun 14 01:10:52 devvm kernel: [<ffffffff810149cd>] ? default_idle+0x4d/0xb0 Jun 14 01:10:52 devvm kernel: [<ffffffff81009e06>] ? cpu_idle+0xb6/0x110 Jun 14 01:10:52 devvm kernel: [<ffffffff814e433a>] ? rest_init+0x7a/0x80 Jun 14 01:10:52 devvm kernel: [<ffffffff81c21f7b>] ? start_kernel+0x424/0x430 Jun 14 01:10:52 devvm kernel: [<ffffffff81c2133a>] ? x86_64_start_reservations+0x125/0x129 Jun 14 01:10:52 devvm kernel: [<ffffffff81c21438>] ? x86_64_start_kernel+0xfa/0x109 Jun 14 01:10:52 devvm kernel: ---[ end trace 2c7bb984812cf120 ]--- Jun 14 01:10:52 devvm kernel: e1000 0000:00:03.0: eth0: Reset adapter Jun 14 01:10:53 devvm abrtd: Directory 'oops-2013-06-14-01:10:53-1537-0' creation detected Jun 14 01:10:53 devvm abrt-dump-oops: Reported 1 kernel oopses to Abrt Jun 14 01:10:53 devvm abrtd: Can't open file '/var/spool/abrt/oops-2013-06-14-01:10:53-1537-0/uid': No such file or directory Jun 14 01:10:55 devvm kernel: Bridge firewalling registered After this we see for a while, every two minutes: Jun 14 01:14:22 devvm kernel: INFO: task events/0:19 blocked for more than 120 seconds. Jun 14 01:14:22 devvm kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Jun 14 01:14:22 devvm kernel: events/0 D 0000000000000000 0 19 2 0x00000000 Jun 14 01:14:22 devvm kernel: ffff880116c4fb90 0000000000000046 00000000ffffffff 0000000000000008 Jun 14 01:14:22 devvm kernel: 0000000000016680 0000000000016680 ffff880028210400 0000000000016680 Jun 14 01:14:22 devvm kernel: ffff880116c4daf8 ffff880116c4ffd8 000000000000fb88 ffff880116c4daf8 Jun 14 01:14:22 devvm kernel: Call Trace: Jun 14 01:14:22 devvm kernel: [<ffffffff8105b483>] ? perf_event_task_sched_out+0x33/0x80 Jun 14 01:14:22 devvm kernel: [<ffffffff814fe6a5>] schedule_timeout+0x215/0x2e0 Jun 14 01:14:22 devvm kernel: [<ffffffff8100975d>] ? __switch_to+0x13d/0x320 Jun 14 01:14:22 devvm kernel: [<ffffffff814fe323>] wait_for_common+0x123/0x180 Jun 14 01:14:22 devvm kernel: [<ffffffff81060250>] ? default_wake_function+0x0/0x20 Jun 14 01:14:22 devvm kernel: [<ffffffff814fe43d>] wait_for_completion+0x1d/0x20 Jun 14 01:14:22 devvm kernel: [<ffffffff8108d093>] __cancel_work_timer+0x1b3/0x1e0 Jun 14 01:14:22 devvm kernel: [<ffffffff8108cbe0>] ? wq_barrier_func+0x0/0x20 Jun 14 01:14:22 devvm kernel: [<ffffffff8108d0f0>] cancel_work_sync+0x10/0x20 Jun 14 01:14:22 devvm kernel: [<ffffffffa01c5ca5>] e1000_down_and_stop+0x25/0x50 [e1000] Jun 14 01:14:22 devvm kernel: [<ffffffffa01cb695>] e1000_down+0x155/0x200 [e1000] Jun 14 01:14:22 devvm kernel: [<ffffffffa01cbcb0>] ? e1000_reset_task+0x0/0xe0 [e1000] Jun 14 01:14:22 devvm kernel: [<ffffffffa01cbd1e>] e1000_reset_task+0x6e/0xe0 [e1000] Jun 14 01:14:22 devvm kernel: [<ffffffff8108c760>] worker_thread+0x170/0x2a0 Jun 14 01:14:22 devvm kernel: [<ffffffff810920d0>] ? autoremove_wake_function+0x0/0x40 Jun 14 01:14:22 devvm kernel: [<ffffffff8108c5f0>] ? worker_thread+0x0/0x2a0 Jun 14 01:14:22 devvm kernel: [<ffffffff81091d66>] kthread+0x96/0xa0 Jun 14 01:14:22 devvm kernel: [<ffffffff8100c14a>] child_rip+0xa/0x20 Jun 14 01:14:22 devvm kernel: [<ffffffff81091cd0>] ? kthread+0x0/0xa0 Jun 14 01:14:22 devvm kernel: [<ffffffff8100c140>] ? child_rip+0x0/0x20 Jun 14 01:14:22 devvm kernel: INFO: task parted:8069 blocked for more than 120 seconds. Jun 14 01:14:22 devvm kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Jun 14 01:14:22 devvm kernel: parted D 0000000000000003 0 8069 7994 0x00000080 Jun 14 01:14:22 devvm kernel: ffff8800908b3bb8 0000000000000082 0000000000000000 ffff88010ab50080 Jun 14 01:14:22 devvm kernel: ffff880116c7d500 0000000000000001 0000000000000000 0000000000000000 Jun 14 01:14:22 devvm kernel: ffff88010ab50638 ffff8800908b3fd8 000000000000fb88 ffff88010ab50638 Jun 14 01:14:22 devvm kernel: Call Trace: Jun 14 01:14:22 devvm kernel: [<ffffffff814fe6a5>] schedule_timeout+0x215/0x2e0 Jun 14 01:14:22 devvm kernel: [<ffffffff814fe323>] wait_for_common+0x123/0x180 Jun 14 01:14:22 devvm kernel: [<ffffffff81060250>] ? default_wake_function+0x0/0x20 Jun 14 01:14:22 devvm kernel: [<ffffffff8112b6d0>] ? lru_add_drain_per_cpu+0x0/0x10 Jun 14 01:14:22 devvm kernel: [<ffffffff814fe43d>] wait_for_completion+0x1d/0x20 Jun 14 01:14:22 devvm kernel: [<ffffffff8108d177>] flush_work+0x77/0xc0 Jun 14 01:14:22 devvm kernel: [<ffffffff8108cbe0>] ? wq_barrier_func+0x0/0x20 Jun 14 01:14:22 devvm kernel: [<ffffffff8108d2f3>] schedule_on_each_cpu+0x133/0x180 Jun 14 01:14:22 devvm kernel: [<ffffffff811ad440>] ? invalidate_bh_lru+0x0/0x50 Jun 14 01:14:22 devvm kernel: [<ffffffff8112ae35>] lru_add_drain_all+0x15/0x20 Jun 14 01:14:22 devvm kernel: [<ffffffff811adf6a>] invalidate_bdev+0x2a/0x50 Jun 14 01:14:22 devvm kernel: [<ffffffff8125e9a4>] blkdev_ioctl+0x3b4/0x6e0 Jun 14 01:14:22 devvm kernel: [<ffffffff811b381c>] block_ioctl+0x3c/0x40 Jun 14 01:14:22 devvm kernel: [<ffffffff8118dec2>] vfs_ioctl+0x22/0xa0 Jun 14 01:14:22 devvm kernel: [<ffffffff8118e064>] do_vfs_ioctl+0x84/0x580 Jun 14 01:14:22 devvm kernel: [<ffffffff8118e5e1>] sys_ioctl+0x81/0xa0 Jun 14 01:14:22 devvm kernel: [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b In /var/spool/abrt/oops-2013-06-14-01:10:53-1537-0 we can see the following information: In backtrace: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Not tainted) Hardware name: VirtualBox NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out Modules linked in: vboxsf(U) ipv6 ppdev parport_pc parport microcode sg vboxguest(U) i2c_piix4 i2c_core e1000 snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc pcnet32 mii ext4 mbcache jbd2 sd_mod crc_t10dif ahci dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan] Pid: 0, comm: swapper Not tainted 2.6.32-279.el6.x86_64 #1 Call Trace: <IRQ> [<ffffffff8106b747>] ? warn_slowpath_common+0x87/0xc0 [<ffffffff8106b836>] ? warn_slowpath_fmt+0x46/0x50 [<ffffffff814595fd>] ? dev_watchdog+0x26d/0x280 [<ffffffff81099138>] ? sched_clock_cpu+0xb8/0x110 [<ffffffff81459390>] ? dev_watchdog+0x0/0x280 [<ffffffff8107e897>] ? run_timer_softirq+0x197/0x340 [<ffffffff810a21c0>] ? tick_sched_timer+0x0/0xc0 [<ffffffff8102b40d>] ? lapic_next_event+0x1d/0x30 [<ffffffff81073ec1>] ? __do_softirq+0xc1/0x1e0 [<ffffffff81096c50>] ? hrtimer_interrupt+0x140/0x250 [<ffffffff8100c24c>] ? call_softirq+0x1c/0x30 [<ffffffff8100de85>] ? do_softirq+0x65/0xa0 [<ffffffff81073ca5>] ? irq_exit+0x85/0x90 [<ffffffff81505be0>] ? smp_apic_timer_interrupt+0x70/0x9b [<ffffffff8100bc13>] ? apic_timer_interrupt+0x13/0x20 <EOI> [<ffffffff810387cb>] ? native_safe_halt+0xb/0x10 [<ffffffff810149cd>] ? default_idle+0x4d/0xb0 [<ffffffff81009e06>] ? cpu_idle+0xb6/0x110 [<ffffffff814e433a>] ? rest_init+0x7a/0x80 [<ffffffff81c21f7b>] ? start_kernel+0x424/0x430 [<ffffffff81c2133a>] ? x86_64_start_reservations+0x125/0x129 [<ffffffff81c21438>] ? x86_64_start_kernel+0xfa/0x109 In cmdline: ro root=/dev/mapper/vg_01-lv_root rd_NO_LUKS LANG=en_US.UTF-8 KEYBOARDTYPE=pc KEYTABLE=sv-latin1 rd_NO_MD SYSFONT=latarcyrheb-sun16 rd_LVM_LV=vg_01/lv_root crashkernel=129M@0M rhgb quiet rd_LVM_LV=vg_01/lv_swap rd_NO_DM rhgb quie Additional information: # uname -a Linux devvm 2.6.32-279.el6.x86_64 #1 SMP Fri Jun 22 12:19:21 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux # cat /etc/redhat-release CentOS release 6.3 (Final) VirtualBox version 4.2.6. Any insight in how we can proceed with troubleshooting this is appreciated. If you need more information, just let me know.

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  • How can I exceed the 60% Memory Limit of IIS7

    - by evilknot
    Pardon if this is more stackoverflow vs. serverfault. It seems to be on the border. We have an application that caches a large amount of product data for an e-commerce application using ASP.NET caching. This is a dictionary object with 65K elements, and our calculations put the object's size at ~10GB. Problem: The amount of memory the object consumes seems to be far in excess of our 10GB calculation. BIGGEST CONCERN: We can't seem to use over 60% of the 32GB in the server. What we've tried so far: In machine.config/system.web (sf doesn't allow the tags, pardon the formatting): processModel autoConfig="true" memoryLimit="80" In web.config/system.web/caching/cache (sf doesn't allow the tags, pardon the formatting): privateBytesLimit = "20000000000" (and 0, the default of course) percentagePhysicalMemoryUsedLimit = "90" Environment: Windows 2008R2 x64 32GB RAM IIS7 Nothing seems to allow us to exceed the 60% value. See attached screenshot of taskman.

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  • See all output from commands performed inside screen

    - by user1032531
    I am using screen (http://www.gnu.org/software/screen/manual/screen.html) to access my minecraft console. I created a server in /etc/init.d, and have minecraft running in the background. Then, to access the minecraft console, I just type # screen -r in bash. I can now do commands in the screen shell. The problem is if I do some command which exports a bunch of text, it exceeds the size of the screen and pushes the begging output off the page. And I cannot seem to scroll up and see it. How can I scroll back and view all the output? How can I pause the output (maybe something like more or less)?

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  • Finding the Right Solution to Source and Manage Your Contractors

    - by mark.rosenberg(at)oracle.com
    Many of our PeopleSoft Enterprise applications customers operate in service-based industries, and all of our customers have at least some internal service units, such as IT, marketing, and facilities. Employing the services of contractors, often referred to as "contingent labor," to deliver either or both internal and external services is common practice. As we've transitioned from an industrial age to a knowledge age, talent has become a primary competitive advantage for most organizations. Contingent labor offers talent on flexible terms; it offers the ability to scale up operations, close skill gaps, and manage risk in the process of delivering services. Talent comes from many sources and the rise in the contingent worker (contractor, consultant, temporary, part time) has increased significantly in the past decade and is expected to reach 40 percent in the next decade. Managing the total pool of talent in a seamless integrated fashion not only saves organizations money and increases efficiency, but creates a better place for workers of all kinds to work. Although the term "contingent labor" is frequently used to describe both contractors and employees who have flexible schedules and relationships with an organization, the remainder of this discussion focuses on contractors. The term "contingent labor" is used interchangeably with "contractor." Recognizing the importance of contingent labor, our PeopleSoft customers often ask our team, "What Oracle vendor management system (VMS) applications should I evaluate for managing contractors?" In response, I thought it would be useful to describe and compare the three most common Oracle-based options available to our customers. They are:   The enterprise licensed software model in which you implement and utilize the PeopleSoft Services Procurement (sPro) application and potentially other PeopleSoft applications;  The software-as-a-service model in which you gain access to a derivative of PeopleSoft sPro from an Oracle Business Process Outsourcing Partner; and  The managed service provider (MSP) model in which staffing industry professionals utilize either your enterprise licensed software or the software-as-a-service application to administer your contingent labor program. At this point, you may be asking yourself, "Why three options?" The answer is that since there is no "one size fits all" in terms of talent, there is also no "one size fits all" for effectively sourcing and managing contingent workers. Various factors influence how an organization thinks about and relates to its contractors, and each of the three Oracle-based options addresses an organization's needs and preferences differently. For the purposes of this discussion, I will describe the options with respect to (A) pricing and software provisioning models; (B) control and flexibility; (C) level of engagement with contractors; and (D) approach to sourcing, employment law, and financial settlement. Option 1:  Enterprise Licensed Software In this model, you purchase from Oracle the license and support for the applications you need. Typically, you license PeopleSoft sPro as your VMS tool for sourcing, monitoring, and paying your contract labor. In conjunction with sPro, you can also utilize PeopleSoft Human Capital Management (HCM) applications (if you do not already) to configure more advanced business processes for recruiting, training, and tracking your contractors. Many customers choose this enterprise license software model because of the functionality and natural integration of the PeopleSoft applications and because the cost for the PeopleSoft software is explicit. There is no fee per transaction to source each contractor under this model. Our customers that employ contractors to augment their permanent staff on billable client engagements often find this model appealing because there are no fees to affect their profit margins. With this model, you decide whether to have your own IT organization run the software or have the software hosted and managed by either Oracle or another application services provider. Your organization, perhaps with the assistance of consultants, configures, deploys, and operates the software for managing your contingent workforce. This model offers you the highest level of control and flexibility since your organization can configure the contractor process flow exactly to your business and security requirements and can extend the functionality with PeopleTools. This option has proven very valuable and applicable to our customers engaged in government contracting because their contingent labor management practices are subject to complex standards and regulations. Customers find a great deal of value in the application functionality and configurability the enterprise licensed software offers for managing contingent labor. Some examples of that functionality are... The ability to create a tiered network of preferred suppliers including competencies, pricing agreements, and elaborate candidate management capabilities. Configurable alerts and online collaboration for bid, resource requisition, timesheet, and deliverable entry, routing, and approval for both resource and deliverable-based services. The ability to manage contractors with the same PeopleSoft HCM and Projects applications that are used to manage the permanent workforce. Because it allows you to utilize much of the same PeopleSoft HCM and Projects application functionality for contractors that you use for permanent employees, the enterprise licensed software model supports the deepest level of engagement with the contingent workforce. For example, you can: fill job openings with contingent labor; guide contingent workers through essential safety and compliance training with PeopleSoft Enterprise Learning Management; and source contingent workers directly to project-based assignments in PeopleSoft Resource Management and PeopleSoft Program Management. This option enables contingent workers to collaborate closely with your permanent staff on complex, knowledge-based efforts - R&D projects, billable client contracts, architecture and engineering projects spanning multiple years, and so on. With the enterprise licensed software model, your organization maintains responsibility for the sourcing, onboarding (including adherence to employment laws), and financial settlement processes. This means your organization maintains on staff or hires the expertise in these domains to utilize the software and interact with suppliers and contractors. Option 2:  Software as a Service (SaaS) The effort involved in setting up and operating VMS software to handle a contingent workforce leads many organizations to seek a system that can be activated and configured within a few days and for which they can pay based on usage. Oracle's Business Process Outsourcing partner, Provade, Inc., provides exactly this option to our customers. Provade offers its vendor management software as a service over the Internet and usually charges your organization a fee that is a percentage of your total contingent labor spending processed through the Provade software. (Percentage of spend is the predominant fee model, although not the only one.) In addition to lower implementation costs, the effort of configuring and maintaining the software is largely upon Provade, not your organization. This can be very appealing to IT organizations that are thinly stretched supporting other important information technology initiatives. Built upon PeopleSoft sPro, the Provade solution is tailored for simple and quick deployment and administration. Provade has added capabilities to clone users rapidly and has simplified business documents, like work orders and change orders, to facilitate enterprise-wide, self-service adoption with little to no training. Provade also leverages Oracle Business Intelligence Enterprise Edition (OBIEE) to provide integrated spend analytics and dashboards. Although pure customization is more limited than with the enterprise licensed software model, Provade offers a very effective option for organizations that are regularly on-boarding and off-boarding high volumes of contingent staff hired to perform discrete support tasks (for example, order fulfillment during the holiday season, hourly clerical work, desktop technology repairs, and so on) or project tasks. The software is very configurable and at the same time very intuitive to even the most computer-phobic users. The level of contingent worker engagement your organization can achieve with the Provade option is generally the same as with the enterprise licensed software model since Provade can automatically establish contingent labor resources in your PeopleSoft applications. Provade has pre-built integrations to Oracle's PeopleSoft and the Oracle E-Business Suite procurement, projects, payables, and HCM applications, so that you can evaluate, train, assign, and track contingent workers like your permanent employees. Similar to the enterprise licensed software model, your organization is responsible for the contingent worker sourcing, administration, and financial settlement processes. This means your organization needs to maintain the staff expertise in these domains. Option 3:  Managed Services Provider (MSP) Whether you are using the enterprise licensed model or the SaaS model, you may want to engage the services of sourcing, employment, payroll, and financial settlement professionals to administer your contingent workforce program. Firms that offer this expertise are often referred to as "MSPs," and they are typically staffing companies that also offer permanent and temporary hiring services. (In fact, many of the major MSPs are Oracle applications customers themselves, and they utilize the PeopleSoft Solution for the Staffing Industry to run their own business operations.) Usually, MSPs place their staff on-site at your facilities, and they can utilize either your enterprise licensed PeopleSoft sPro application or the Provade VMS SaaS software to administer the network of suppliers providing contingent workers. When you utilize an MSP, there is a separate fee for the MSP's service that is typically funded by the participating suppliers of the contingent labor. Also in this model, the suppliers of the contingent labor (not the MSP) usually pay the contingent labor force. With an MSP, you are intentionally turning over business process control for the advantages associated with having someone else manage the processes. The software option you choose will to a certain extent affect your process flexibility; however, the MSPs are often able to adapt their processes to the unique demands of your business. When you engage an MSP, you will want to give some thought to the level of engagement and "partnering" you need with your contingent workforce. Because the MSP acts as an intermediary, it can be very valuable in handling high volume, routine contracting for which there is a relatively low need for "partnering" with the contingent workforce. However, if your organization (or part of your organization) engages contingent workers for high-profile client projects that require diplomacy, intensive amounts of interaction, and personal trust, introducing an MSP into the process may prove less effective than handling the process with your own staff. In fact, in many organizations, it is common to enlist an MSP to handle contractors working on internal projects and to have permanent employees handle the contractor relationships that affect the portion of the services portfolio focused on customer-facing, billable projects. One of the key advantages of enlisting an MSP is that you do not have to maintain the expertise required for orchestrating the sourcing, hiring, and paying of contingent workers.  These are the domain of the MSPs. If your own staff members are not prepared to manage the essential "overhead" processes associated with contingent labor, working with an MSP can make solid business sense. Proper administration of a contingent workforce can make the difference between project success and failure, operating profit and loss, and legal compliance and fines. Concluding Thoughts There is little doubt that thoughtfully and purposefully constructing a service delivery strategy that leverages the strengths of contingent workers can lead to better projects, deliverables, and business results. What requires a bit more thinking is determining the platform (or platforms) that will enable each part of your organization to best deliver on its mission.

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  • Apache is running; however, it reports that it is not, and it will not restart.

    - by solo
    Apache is running; however, it reports that it is not, and it will not restart. # /etc/init.d/httpd status httpd.worker is stopped # /usr/sbin/lsof -iTCP:80 COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME httpd.wor 1169 root 3u IPv6 2974 TCP *:http (LISTEN) httpd.wor 1211 daemon 3u IPv6 2974 TCP *:http (LISTEN) httpd.wor 1213 daemon 3u IPv6 2974 TCP *:http (LISTEN) httpd.wor 1215 daemon 3u IPv6 2974 TCP *:http (LISTEN) httpd.wor 1352 daemon 3u IPv6 2974 TCP *:http (LISTEN) #/etc/init.d/httpd restart Stopping httpd: [FAILED] Starting httpd: [Wed Mar 24 10:33:51 2010] [warn] module proxy_ajp_module is already loaded, skipping (98)Address already in use: make_sock: could not bind to address [::]:80 (98)Address already in use: make_sock: could not bind to address 0.0.0.0:80 no listening sockets available, shutting down Unable to open logs [FAILED] OS: Linux DISTRO: CENTOS 5 Restarting the server didn't help, nor did killing apache and starting it. Any idea what is causing this inconsistency?

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  • chown: changing ownership of `.': Invalid argument

    - by Pierre
    I'm trying to install some new files on our new server while our sysadmin is in holidays: Here is my df # df -h Filesystem Size Used Avail Use% Mounted on /dev/sdb3 273G 11G 248G 5% / tmpfs 48G 260K 48G 1% /dev/shm /dev/sdb1 485M 187M 273M 41% /boot xxx.xx.xxx.xxx:/commun 63T 2.2T 61T 4% /commun as root , I can create a new directory and run chown under /home/lindenb # cd /home/lindenb/ # mkdir X # chown lindenb X but I cannot run the same command under /commun # cd /commun/data/users/lindenb/ # mkdir X # chown lindenb X chown: changing ownership of `X': Invalid argument why ? how can I fix this ? updated: mount: /dev/sdb3 on / type ext4 (rw) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) devpts on /dev/pts type devpts (rw,gid=5,mode=620) tmpfs on /dev/shm type tmpfs (rw) /dev/sdb1 on /boot type ext4 (rw) none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw) xxx.xx.xxx.xxx:/commun on /commun type nfs (rw,noatime,noac,hard,intr,vers=4,addr=xxx.xx.xxx.xxx,clientaddr=xxx.xx.xxx.xxx) version: $ cat /etc/redhat-release CentOS release 6.3 (Final)

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  • How do i make my existing ubuntu in a bootable installation CD? I tried remastersys but fails with 11.10

    - by YumYumYum
    I need to install 10 PC which has identical setup and hardware. So i was trying remastersys but its failing. How can i resolve this or use something else to achieve this? Updating the remastersys.log cat: /home/remastersys/remastersys/tmpusers: No such file or directory Cleaning up the install icon from the user desktops Removing the ubiquity frontend as it has been included and is not needed on the normal system Calculating the installed filesystem size for the installer Removing remastersys-firstboot from system startup Removing any system startup links for /etc/init.d/remastersys-firstboot ... /etc/rc0.d/K20remastersys-firstboot /etc/rc1.d/K20remastersys-firstboot /etc/rc2.d/S20remastersys-firstboot /etc/rc3.d/S20remastersys-firstboot /etc/rc4.d/S20remastersys-firstboot /etc/rc5.d/S20remastersys-firstboot /etc/rc6.d/K20remastersys-firstboot Making disk compatible with Ubuntu Startup Disk Creator. Creating md5sum.txt for the livecd/dvd Creating /var/tmp/custom.iso in /home/remastersys/remastersys The iso was not created. There was a problem. Exiting Follow up: 1) I am unhappy that there is nothing exist for this to recover/backup 11.10 2) Anyway i have to do it 3) I did not used the popular Clonezilla because it does not offer me iso 4) I downloaded: http://clonezilla-sysresccd.hellug.gr/download.html a) created a bootable CD from that ISO b) booted and followed those steps http://clonezilla-sysresccd.hellug.gr/restore.html c) i got a iso file with everyhing on it including boot-loaders 5) then in another system i used my same CD to restore my image Perfectly worked.

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  • Inevitable Corporate Bureaucracy

    - by Ahsan Alam
    Top executives of most smaller organizations want their companies to be different from the larger corporations. They want their organizations smaller in size; but bigger in productivity by eliminating red tapes and corporate bureaucracy. When the company is smaller, people often work like firefighters – taking on new business and technology challenges without thinking about any procedures and guidelines. People also tend to wear many hats to accomplish tasks quickly in order to integrate new businesses. For example, software developers in smaller organizations may take on responsibilities of client interactions, requirements gathering, design and development, code deployment, production support, network infrastructure support, database design and maintenance along with countless other duties. In addition, systems in smaller organizations tend to be loosely guarded. So, people often don't follow many procedures in order to setup environments and implement technical projects. It's not uncommon to change code and deploy without anyone realizing. Similarly, business requirements may also get defined in an informal manner without any type of documentation. As the company grows, everything starts to change significantly impacting people and the overall business process. Suddenly, following procedures become extremely important. Consequently, new roles, guidelines and procedures start to emerge. Everything from business process to technology implementation start to become more and more process oriented. Organizations start to define and document steps, invent procedure to track process and systems level changes, and start restricting access to various systems for security reasons. At the same time, as a growing company start doing businesses with larger clienteles, they are automatically forced to abide by all sorts of industry compliance laws. Moreover, growing companies tend to recruit experienced individuals to fill new roles who usually bring their expertise from larger and more bureaucratic organizations.   Despite the best efforts from the top executives, it seems increased number of procedures and guidelines as well as new recruits automatically contribute to the evolution of corporate bureaucracy. Maybe, corporate bureaucracy is an inevitable side effect of a growing organization.

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  • vista winsxs folder eats disk space

    - by Simpzon
    My machine has been running Vista Ultimate 64-Bit for about two years now. ServicePacks SP1 and SP2 are installed, too. The system partition has a size of 55 GB, which should be quite comfortable under normal circumstances, but about 40GB (no typo) are used by the Windows-Folder, especially the subfolder winsxs, which takes about 35 GB. I have already uninstalled as many programs as possible and did run compcln.exe, to reduce it, but this only gained 2-3 GB. What can I do to clean up without risking system stability? I'm a software developer and this is my daily work environment, which means - I can't risk to get strange side-effects from blindly deleting stuff. - You can maybe deduce some typical usage patterns from this information. Any suggestions?

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  • Does OneNote have palm rejection or a hand rest spot?

    - by Richard DesLonde
    I just bought an Acer Iconia W500. I really wanted to use it for taking notes and having all the amenities of a full blown computer without the size. Using OneNote to take notes, I notice I can't rest my hand on the screen. I have read some about this and it seems the very best solution is to get a tablet with active digitizer technology, but there aren't too many with this and it is expensive. So barring that, is there any way I can rest my hand on the tablet screen while taking notes in OneNote? Or am I relegated to hovering my hand over the screen while I write notes? Does OneNote have a palm rest area or some sort of palm rejection?

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  • Copying 500GB Data to EC2 Instances Local Drive

    - by iCode
    Please do not ask me why (they made me) but I have to copy 500GB data to the local drive every 200 node/instances that I am launching in EC2. For reasons beyond this post, this data must by on the local drive and not EBS drive so I can not benefit from snapshots. What is the fastest way that I can manage to this? Copying from S3 to each node takes a long time. I trying to attached an EBS volume to every node with the data and then copy the data from EBS to the local drive but that also take a long time (several hours_) Now, I am also thinking to use bit torrent but not sure how well it is going to be. What is the best way to copy 500GB of static data to each local drive of 200 ec2 instances? The 500Gb of data is composed several hundred of file with varying size but the biggest file is 20GB.

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  • Network and Storage Devices Throughput Chart

    - by zroiy
    With all of the different storage and network devices that surround our day to day life, understanding these devices data transfer speeds can be somewhat confusing. Think about trying to identify your weakest link in the a chain that starts with an external USB hard drive (or a flash drive) that's connected to a 802.11g wifi router, can you quickly come up with an answer of where's the bottle neck in that chain , is it the router or the storage devices ? . Well, the following chart should give you an idea understanding different devices, protocols and interfaces maximum throughput speeds. Though these numbers can fluctuate (mostly for worse, but sometimes for the better) due to different kind of factors such as OS overhead (or caching and optimization) , multiple users or processes and so on , the chart can still serve to provide basic information on the theoretical throughput different devices and protocols can get to.. Enjoy.  Link to the full size chart   References:http://en.wikipedia.org/wiki/Sata#SATA_revision_1.0_.28SATA_1.5_Gbit.2Fs.29http://en.wikipedia.org/wiki/Usbhttp://en.wikipedia.org/wiki/Usb_3http://en.wikipedia.org/wiki/802.11http://mashable.com/2011/09/21/fastest-download-speeds-infographic/http://en.wikipedia.org/wiki/Thunderbolt_(interface)http://www.computerworld.com/s/article/9220434/Thunderbolt_vs._SuperSpeed_USB_3.0  Icons:http://openiconlibrary.sourceforge.net/gallery2/?./Icons/devices/drive-harddisk-3.png      

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  • Oracle ADF at Oracle OpenWorld 2012

    - by Shay Shmeltzer
    This year is going to be very busy for Oracle ADF developers who'll attend Oracle Open World. Check out the list of Oracle ADF related sessions, labs, demos and other Oracle ADF activities.  This list will help you not to miss any ADF related activity. We have over 50 ADF related sessions, multiple labs including new ones on ADF Mobile, Application Life Cycle Management and ADF in Eclipse, we'll have several demo booths where you can meet product managers, and we'll be featured in several keynotes as well. While we have several "beginners" sessions, you'll find that we have a lot of in-depth technical sessions and sessions that cover best-practices too. Of course, it is not just us product managers presenting about Oracle ADF, there are a lot of Oracle ADF sessions presented by customers, Oracle ACEs, and other developers. So you can learn from the experience of real life implementations. Note that the ADF content starts early on Sunday with a full set of Oracle ADF sessions arranged for you by the Oracle ADF Enterprise Methodology Group - so plan your trip accordingly and be there early Sunday morning. First thing on Monday morning, don't miss the keynote for Oracle ADF developers at 10:45 at the Marriott Marquis - Salon 8 - "The Future of Development for Oracle Fusion—From Desktop to Mobile to Cloud". We are also arranging a meet-up of developers using Oracle ADF at the OTN Lounge on Wed at 4:30pm - and we would love to meet you there - this will also give you an opportunity to meet other Oracle ADF users and members of the community. And after that we can all head over to the big Wed party to see Pearl Jam and Kings of Leon. One recommendation for those who are already registered - start planning your schedule and booking your place in the sessions now through the schedule builder. This will guarantee that you won't be left out of sessions you want to attend due room size limitations. Oracle OpenWorld 2013 will be a must attend event for serious Oracle ADF developers - don't miss it.

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  • Mobile web development rudiments

    - by Konrad Garus
    How does one get started with web development for mobile devices (including phones)? I know some old good HTML & JS, but I'm wondering what the modern way is. To make it concrete, I need to implement a client for an enterprise app. Think of a login-protected dashboard for managers. Given that I only have basic knowledge and have never implemented such applications, what do I need to take into account when choosing platform and technology? Shall I go for Android / iPhone, or HTML & JS, or HTML5? What are the general pros and cons that I need to consider? What resources (preferably online) do you recommend for learning the rudiments? I mean especially HTML & JS: What does the site need to be like to work great on smartphones (and not only on desktops)? I mean possible UI glitches, limited support for some HTML/JS features, page size, and whatever other important details are there.

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  • Not use CSS definitions for one <FORM>

    - by Svisstack
    I have template from themeforest and i dont want edit css from this template, because i don't have time for it. But i want integrate paypal buttons to my webpage, problem is paypal button use tag for selection payment option. I have overloaded style for tag and this not look like should. How to not use CSS for this element. I dont want use and if i don't must then i dont want edit this CSS;-) This css look wired, i must edit her to solve this problem? What is best solution for this? /*//// - Forms - ////*/ form { margin-bottom:20px; } body.ie7 form, body.ie8 { margin-bottom:40px; } form p { margin-bottom:15px; } form label { float:left; width:140px; margin-top:5px; } form input, form textarea, form select { padding:10px 5px; background:#fff url(../img/bg-input.gif) repeat-x top; border:1px solid #D9D9D9; width:448px; border-radius:3px; -moz-border-radius:3px; -webkit-border-radius:3px; } form input.small { width:35px; } html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, figure, footer, header, hgroup, menu, nav, section, menu, time, mark, audio, video { margin:0; padding:0; border:0; outline:0; font-size:100%; vertical-align:baseline; background:transparent; } Can anyone help me?

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  • Transfer Books from Mac to Kindle App on the Nexus 7

    - by AJ.
    I have some e-books that I've downloaded from Project Gutenberg and some other sources to my MBP. They are all DRM free. Excluding e-mail them to my Kindle as a personal document as a method (the total size is more than 5 GB, the space provided by Amazon), is there any way to transfer these books to my Kindle App on my Nexus 7 (Android Tablet). I have the Kindle App version 3.1.7 I've already seen the question Can I sync books I didn't buy from Amazon via Kindle app? but that is not the answer I'm looking for. Thanks

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