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• TightVNC (or any VNC) client windows scaling

  - by mr.b

  Hi, I am currently using TightVNC to connect to multiple remote hosts in LAN. I start 16 VNC instances, set Scaling by: Auto (in connection options display), set Hextile encoding, and then select all windows and use Tile Horizontally, which covers my entire screen with VNC screens. It all works sort of nice, except that desktop interaction is really slow when there are more then 4 VNC clients. My question is, does VNC client (not just TightVNC, but any compatible client) support some kind of smart scaling option, so that client tells server something along the lines of: "Okay, I'm displaying your entire screen in a window size 300x225 px, so can you please start sending encoded images on that resolution?", at which point interactiveness of open connections dramatically increase, and when I decide to go full screen on some connection, client and server re-negotiate and server starts sending full resolution images again? Thanks!!

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• The battery indicator in Unity panel not showing up

  - by user61415

  I installed Ubuntu 12.04 with Wubi. Well after being completely dazzled with the amount of free content in the Software Centre, I decided to go deeper and start messing with settings. Well after changing the screen brightness the highest level I noticed that there wasn't an indicator for how much battery was left in my laptop. I looked up online on got 2 suggestions on how to fix: Right click on the Unity panel and add an indicator Set it to show in the power settings menu. Well I did both when I right click at the top menu nothing comes up and setting it to show does nothing either. Then I tried installing something in the Software Centre. I got something but when I activated it it said I had 0% power left even though I was charging and at %100 according the Light in the front of my laptop. So now I'm thinking that it doesn't even recognise my computer as a laptop which is weird because in the display settings it says my screen size is set to laptop. How can I install it? I don't know what version it is other then Ubuntu 12.04 and no matter what the icon does not appear with the

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• Ubuntu 12.04 slow boot on ASUS, attached with dmesg and bootchart

  - by stanleyhunk

  I heard that Ubuntu can boot up around 30sec, but I take more than 60sec every time my Ubuntu boot. I also read some forum said need to post the dmesg and bootchart to identify which process slowing down the booting time, as I'm not expert in Ubuntu and wish to learn more about it, I humbly ask any pro here to teach me how. My laptop specs: Model : ASUS K45VS RAM : 8MB CPU : Intel(R) Core(TM) i7-3630QM CPU @ 2.40GHz x 8 Graphic Card : nVidia GeForce GT 645M HDD : 750GB OS : Single boot Ubuntu 12.04LTS System.uname : Linux 3.8.0-39-generic #58~precise1-Ubuntu SMP Fri May 2 21:33:40 UTC 2014 x86_64 System.release : Ubuntu 12.04.4 LTS System.kernel.options : BOOT_IMAGE=/boot/vmlinuz-3.8.0-39-generic root=UUID=c8a71503-bce8-406c-9a5f-5aa8284f5c7c ro quiet splash My dmesg (which highlighted to the huge time frame gap): [ 30.772656] cgroup: libvirtd (1961) created nested cgroup for controller "memory" which has incomplete hierarchy support. Nested cgroups may change behavior in the future. [ 30.772659] cgroup: "memory" requires setting use_hierarchy to 1 on the root. [ 30.772683] cgroup: libvirtd (1961) created nested cgroup for controller "devices" which has incomplete hierarchy support. Nested cgroups may change behavior in the future. [ 30.772710] cgroup: libvirtd (1961) created nested cgroup for controller "blkio" which has incomplete hierarchy support. Nested cgroups may change behavior in the future. [ 32.140335] nvidia 0000:01:00.0: irq 46 for MSI/MSI-X [ 32.505619] ACPI Error: Field [TMPB] at 1081344 exceeds Buffer [ROM1] size 262144 (bits) (20121018/dsopcode-236) [ 32.505624] ACPI Error: Method parse/execution failed [\_SB_.PCI0.PEG0.PEGP._ROM] (Node ffff880224e91f00), AE_AML_BUFFER_LIMIT (20121018/psparse-537) [ 802.034422] audit_printk_skb: 69 callbacks suppressed [ 802.034428] type=1400 audit(1400914804.392:35): apparmor="DENIED" operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=1683 comm="cupsd" pid=1683 comm="cupsd" capability=36 capname="block_suspend" [ 1581.300901] type=1400 audit(1400915584.816:36): apparmor="DENIED" operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=1683 comm="cupsd" pid=1683 comm="cupsd" capability=36 capname="block_suspend" My Bootchart.png: Looking forward to learn to improve both my booting time and knowledge. Thanks in advance :)

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• Hibernation to a swap file 12.04, fragfile output

  - by MrHug10

  I've been trying for some time now, to get hibernation working in Ubuntu 12.04 on my Dell XPS17. I dualboot Windows 7 and Ubuntu, each having their own partition and one shared partition for all my data and documents. As I would like to be able to swtich from ubuntu to windows without losing all the things I was currently doing in Ubuntu, I would like to be able to use hibernation. In order to achieve this I've followed the information at http://ubuntuforums.org/showthread.php?t=1042946. Only instead of creating my swap file on my linux partition (which is formatted: ext4), I've chosen to create one on my shared partition (which is formatted: ntfs). There is a problem with this though (at least, that's what I think the problem is), because when I call: sudo filefrag -v /media/data/Ubuntu_Swap_Space/6GiB.swap, I get the following output: Filesystem type is: 65735546 File size of /media/Data/Ubuntu_Swap_Space/6GiB.swap is 6442450944 (1572864 blocks, blocksize 4096) Discontinuity: Block 22 is at 25829097 (was 232498) /media/Data/Ubuntu_Swap_Space/6GiB.swap: 2 extents found So I'm not sure what I need to fill in as an offset to follow the rest of the earlier mentioned information. I've tried both the location of block 22 and the number that is listed after that, but when I then try sudo pm-hibernate nothing happens and this shows up in my /var/log/pm-suspend.log s2disk: Could not use the resume device (try swapon -a). Reason: No such device Hope someone can help me out with this! If you need more information about anything, please let me know!

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• How to resize root LVM partition in Fedora without LiveCD or Rebooting

  - by Cerin

  I have a virtual machine that recently had its disk image increased from 20GB to 50GB, and fdisk -l verifies that the VM can see this new size. Now I need to resize my root LVM partition to fill the extra 30GB. I've found several articles about resizing LVM, but the few that cover resizing the root partition all claim you need to boot from a LiveCD. Is there any way to do this without taking down the server? The server is critical, so I'd like to minimize downtime.

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• How to Structure a Trinary state in DB and Application

  - by ABMagil

  How should I structure, in the DB especially, but also in the application, a trinary state? For instance, I have user feedback records which need to be reviewed before they are presented to the general public. This means a feedback reviewer must see the unreviewed feedback, then approve or reject them. I can think of a couple ways to represent this: Two boolean flags: Seen/Unseen and Approved/Rejected. This is the simplest and probably the smallest database solution (presumably boolean fields are simple bits). The downside is that there are really only three states I care about (unseen/approved/rejected) and this creates four states, including one I don't care about (a record which is seen but not approved or rejected is essentially unseen). String column in the DB with constants/enum in application. Using Rating::APPROVED_STATE within the application and letting it equal whatever it wants in the DB. This is a larger column in the db and I'm concerned about doing string comparisons whenever I need these records. Perhaps mitigatable with an index? Single boolean column, but allow nulls. A true is approved, a false is rejected. A null is unseen. Not sure the pros/cons of this solution. What are the rules I should use to guide my choice? I'm already thinking in terms of DB size and the cost of finding records based on state, as well as the readability of code the ends up using this structure.

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• Linux servers seeing bad download performance behind Sonicwall firewall

  - by Joshua Penix

  I'm working with a pair of co-located CentOS Linux servers sitting behind a Sonicwall PRO 2040 Enhanced firewall running in transparent bridge mode. These servers are having a strange problem downloading files more than a few megabytes in size. For example, if I try to wget or FTP a copy of the Linux kernel from kernel.org, the first ~1-2MB will download at 600+K/s, and then throughput will drop off a cliff to 1K/s. I've reviewed all the firewall configuration settings for anything suspicious, but found nothing. More interestingly, I performed the same download with a Windows server sitting behind the same firewall, and it sailed right through at 600+K/s the whole way. Has anyone seen this? Where should I start looking to troubleshoot this problem?

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• How to extract jpegs from a video file using ffmpeg

  - by Andrew Simpson

  I am using C# and ffmpeg. In this scenario I have 279 individual jpegs and i have used ffmpeg to create a AVI file from these images on my client. CMD Line: -f image2 -r 10 -i "C:\000EC902F17F\img%05d.jpg" -s 352x288 -y "C:\1\test.avi" I then upload to my server. CMD Line: -i c:\1\1.avi c:\1\img-%05d.jpg I then extract jpegs from the AVI file. I get 265 jpegs back. Obviously ffmpeg is dropping these frames (most probable) when the avi is 1st created. Is there a way to 'force' to encode using ALL the images I have? Thanks. PS I did not specify any command line option other than the size of the video output. As far as I am aware if none are specified then ffmpeg automatically chooses the best ones?

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• What useful things can one add to one's .bashrc?

  - by gyaresu

  Is there anything that you can't live without and will make my life SO much easier? Here are some that I use ('diskspace' & 'folders' are particularly handy). # some more ls aliases alias ll='ls -alh' alias la='ls -A' alias l='ls -CFlh' alias woo='fortune' alias lsd="ls -alF | grep /$" # This is GOLD for finding out what is taking so much space on your drives! alias diskspace="du -S | sort -n -r |more" # Command line mplayer movie watching for the win. alias mp="mplayer -fs" # Show me the size (sorted) of only the folders in this directory alias folders="find . -maxdepth 1 -type d -print | xargs du -sk | sort -rn" # This will keep you sane when you're about to smash the keyboard again. alias frak="fortune" # This is where you put your hand rolled scripts (remember to chmod them) PATH="$HOME/bin:$PATH"

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• How do I get a Belkin F5D8053 wireless adapter working?

  - by disassembler

  I've tried getting my Belkin N Wireless adapter to work on Ubuntu many times with no luck at all. Each time I seem to arrive at a dead end. After some thorough searching of UbuntuForums and WifiDocs I've gathered some information and narrowed the problem down to an issue with the rtl819xU driver. Here's some info that may help: $ sudo lshw -C network *-network DISABLED description: Wireless interface physical id: 1 bus info: usb@1:2 logical name: wlan0 serial: 00:22:75:38:52:ac capabilities: ethernet physical wireless configuration: broadcast=yes driver=rtl819xU multicast=yes wireless=802.11b/g/n $ sudo lsmod Module Size Used by vesafb 13449 1 snd_ice1724 106559 2 snd_ice17xx_ak4xxx 13163 1 snd_ice1724 snd_ac97_codec 105614 1 snd_ice1724 ac97_bus 12642 1 snd_ac97_codec snd_ak4xxx_adda 18436 2 snd_ice1724,snd_ice17xx_ak4xxx snd_ak4114 14326 1 snd_ice1724 snd_pt2258 12986 1 snd_ice1724 snd_i2c 13831 2 snd_ice1724,snd_pt2258 snd_ak4113 14307 1 snd_ice1724 snd_pcm 80244 4 snd_ice1724,snd_ac97_codec,snd_ak4114,snd_ak4113 fglrx 2434640 121 snd_seq_midi 13132 0 snd_rawmidi 25269 2 snd_ice1724,snd_seq_midi binfmt_misc 13213 1 snd_seq_midi_event 14475 1 snd_seq_midi snd_seq 51291 2 snd_seq_midi,snd_seq_midi_event ppdev 12849 0 snd_timer 28659 2 snd_pcm,snd_seq snd_seq_device 14110 3 snd_seq_midi,snd_rawmidi,snd_seq dcdbas 14054 0 r8192u_usb 297246 0 snd 55295 16 snd_ice1724,snd_ac97_codec,snd_ak4xxx_adda,snd_ak4114,snd_pt2258,snd_i2c,snd_ak4113,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 12600 1 snd parport_pc 32111 1 snd_page_alloc 14073 1 snd_pcm shpchp 32345 0 lp 13349 0 parport 36746 3 ppdev,parport_pc,lp usbhid 41704 0 hid 77084 1 usbhid e100 40108 0 floppy 60032 0 $ sudo iwconfig wlan0 802.11b/g/n Mode:Managed Access Point: Not-Associated Bit Rate:1 Mb/s Retry min limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=0/100 Signal level=0 dBm Noise level=0 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 I'd like to know if 1) Is the driver is properly installed and recognized by Ubuntu? 2) What can I do to load the drivers properly and make use of the adapter? Thanks!

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• It could be worse....

  - by Darryl Gove

  As "guest" pointed out, in my file I/O test I didn't open the file with O_SYNC, so in fact the time was spent in OS code rather than in disk I/O. It's a straightforward change to add O_SYNC to the open() call, but it's also useful to reduce the iteration count - since the cost per write is much higher: ... #define SIZE 1024 void test_write() { starttime(); int file = open("./test.dat",O_WRONLY|O_CREAT|O_SYNC,S_IWGRP|S_IWOTH|S_IWUSR); ... Running this gave the following results: Time per iteration 0.000065606310 MB/s Time per iteration 2.709711563906 MB/s Time per iteration 0.178590114758 MB/s Yup, disk I/O is way slower than the original I/O calls. However, it's not a very fair comparison since disks get written in large blocks of data and we're deliberately sending a single byte. A fairer result would be to look at the I/O operations per second; which is about 65 - pretty much what I'd expect for this system. It's also interesting to examine at the profiles for the two cases. When the write() was trapping into the OS the profile indicated that all the time was being spent in system. When the data was being written to disk, the time got attributed to sleep. This gives us an indication how to interpret profiles from apps doing I/O. It's the sleep time that indicates disk activity.

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• Outlook pst problem

  - by tking

  I've used outlook pst files in the past with great success. a few weeks ago I exported about 2 years worth of email into a pst file. size is around 1.5 gb. when i try ti import that pst back into my outlook it says its not a pst file. I've tried to repair it using pstscan and it repairs errors and will even mount it in Outlook but Outlook cant see any emails, like its an empty pst file. Is there any other way to recover my emails besides loading up backupexec and recovering my mailbox before i made the pst?

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• Function calls to calls in windows api

  - by Apeee

  I am a beginner, and learning C, I find it hard to grasp the whole programming concept. so hopefully this would help to clear up some things along the way. When programming in windows, which is my aim for the time being, it is really hard for me to understand how windows communicate with the programs that run on it. A question i have been pondering about is how when you incorporate a function call which is in another memory location on the disk or memory(not a function you yourself wrote and is included in the compilation), especially the windows API, does the compiler know where the function location is so when the program is run it can call that function? For example, a very simple program that displays a window which reads hello world. You would have to call windows API functions to achieve such features as creating the window, its size, colors and so on... So basically what I am struggling to grasp is how the programs I write communicate with the platform, framework they are run on(generally windows for Windows API). Apart from clarification on this one above, i would love a resource that explains this concept further. Thanks for your time!

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• Thoughts on Apache log file sizes?

  - by Nathan Long

  Do you place any limits on the size of Apache log files - access.log and error.log? Specifically, can you give: Reasons to limit log file sizes Disk space Any other? Reasons NOT to limit log file sizes Research into performance issues or security breaches Any other? Methods of doing so Cron job that periodically deletes the file, or the first N lines? Any other? Anything you might salvage before deleting For example, grep out how many times a file was downloaded before deleting the access logs I'd like get the thoughts of experienced sysadmins before I do anything. (Marking as community wiki since this may be a matter of opinion.)

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• Making a game with responsive resolution

  - by alexandervrs

  I am making a game, however I wish for it to be resolution agnostic. My target resolution i.e. where things look as intended is 1600 x 900. My ideas are: Make the HUD stay fixed to the sides no matter what resolution, use different size for HUD graphics under a certain resolution and another under a certain large one. Use large HD sprites/backgrounds which are a power of 2, so they scale nicely. Use the player's native resolution. Scale the game area (not the HUD) to fit (resulting zooming in some and cropping the game area sides if necessary for widescreen, no stretch), but always fill the screen. Have a min and max resolution limit for small and very large displays where you will just change the resolution(?) or scale up/down to fit. What I am a bit confused though is what math formula I would use to scale the game area correctly based on the resolution no matter the aspect ratio, fully fit in a square screen and with some clip to the sides for widescreen. Pseudocode would help as well. :)

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• PostgreSQL disaster recovery options

  - by Alex

  My customer has quite a large (the total "data" folder size is 200G) PostgreSQL database and we are working on a disaster recovery plan. We have identified three different types of disasters so far: hardware outage, too much load and unintentional data loss due to erroneously executed bad migration (like DELETE or ALTER TABLE DROP COLUMN). First two types seem to be easy to mitigate but we can't elaborate a good mitigation plan for the third type. I proposed to use ZFS and frequent (hourly) snapshots but "ZFS" means "OpenIndiana" these days and our Ops engineers do not have much expertise in it, so using OpenIndiana imposes another risk. Colleagues try to convince me that restoring from PostgreSQL PITR backup can be as fast as restoring from a ZFS snapshot but I highly doubt that replaying, say, 50G of archived WALs can be considered "fast". What other options are we missing? Is ZFS an only viable alternative? Can we get a fast Pg DB restore time in the Linux environment?

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• Giving a scanner-printer-combo a zoom function when copying ?

  - by ldigas

  You know how everytime you go to a photocopying shop, photocopiers always have a neat zoom function (it can take whatever you give it, and zoom it in/out, so your copy comes out smaller or larger). I got one of those neat 3-in-one printer machines. It has a copy button on it, but it also has some software that comes with it (Epson SX115 to be exact is the model). Apart from going into some photo manipulation application, is there some way (software) to give it that feature. So, in short, I need something that can scan a page, scale it to let's say, a quarter of its size, and then print it out ? Anyone knows of anything like that ?

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• Redhat | error in mod_swgi installation

  - by MMRUSer

  I'm getting the following error when I try to install mod_wsgi ./configure checking for apxs2... no checking for apxs... /usr/sbin/apxs checking Apache version... 2.2.3 configure: creating ./config.status config.status: creating Makefile make /usr/sbin/apxs -c -I/usr/local/include/python2.6 -DNDEBUG mod_wsgi.c -L/usr/local/lib -L/usr/local/lib/python2.6/config -lpython2.6 -lpthread -ldl -lutil -lm /apr-1/build/libtool --silent --mode=compile gcc -prefer-pic -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables -fno-strict-aliasing -DLINUX=2 -D_REENTRANT -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -pthread -I/usr/include/httpd -I/usr/include/apr-1 -I/usr/include/apr-1 -I/usr/local/include/python2.6 -DNDEBUG -c -o mod_wsgi.lo mod_wsgi.c && touch mod_wsgi.slo sh: /apr-1/build/libtool: No such file or directory apxs:Error: Command failed with rc=8323072 . make: *** [mod_wsgi.la] Error 1 mod_wsgi 3.2 Apache 2.2 Python 2.6 apr-1.2.7-11 Is this error because of a missing package.. or else how do I solve this issue?

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• How to document requirements for an API systematically?

  - by Heinrich

  I am currently working on a project, where I have to analyze the requirements of two given IT systems, that use cloud computing, for a Cloud API. In other words, I have to analyze what requirements these systems have for a Cloud API, such that they would be able to switch it, while being able to accomplish their current goals. Let me give you an example for some informal requirements of Project A: When starting virtual machines in the cloud through the API, it must be possible to specify the memory size, CPU type, operating system and a SSH key for the root user. It must be possible to monitor the inbound and outbound network traffic per hour per virtual machine. The API must support the assignment of public IPs to a virtual machine and the retrieval of the public IPs. ... In a later stage of the project I will analyze some Cloud Computing standards that standardize cloud APIs to find out where possible shortcomings in the current standards are. A finding could and will probably be, that a certain standard does not support monitoring resource usage and thus is not currently usable. I am currently trying to find a way to systematically write down and classify my requirements. I feel that the way I currently have them written down (like the three points above) is too informal. I have read in a couple of requirements enineering and software architecture books, but they all focus too much on details and implementation. I do really only care about the functionalities provided through the API/interface and I don't think UML diagrams etc. are the right choice for me. I think currently the requirements that I collected can be described as user stories, but is that already enough for a sophisticated requirements analysis? Probably I should go "one level deeper" ... Any advice/learning resources for me?

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• wireless card not detected

  - by user281219

  i have a old HP Compaq NX6125 with a new lunbuntu 14.04 32 bits install , but the wireless card is not working I have already done this steps and the wireless leds on the laptop are on but can't see any where the wireless interface , cloud`t do the last two steps . sudo apt-get remove bcmwl-kernel-source sudo apt-get install firmware-b43-installer b43-fwcutter Then Reboot And you need to activate the card from settings/network/wireless make it ON After this search for wireless icon at the task bar and look for your wifi. lshw -class network: *-network:0 description: Ethernet interface product: NetXtreme BCM5788 Gigabit Ethernet vendor: Broadcom Corporation physical id: 1 bus info: pci@0000:02:01.0 logical name: eth0 version: 03 serial: 00:0f:b0:f7:d1:0f size: 100Mbit/s capacity: 1Gbit/s width: 32 bits clock: 66MHz capabilities: pm vpd msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.134 duplex=full firmware=5788-v3.26 ip=192.168.1.120 latency=64 link=yes mingnt=64 multicast=yes port=twisted pair speed=100Mbit/s resources: irq:23 memory:d0000000-d000ffff *-network:1 description: Network controller product: BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller vendor: Broadcom Corporation physical id: 2 bus info: pci@0000:02:02.0 version: 02 width: 32 bits clock: 33MHz capabilities: bus_master configuration: driver=b43-pci-bridge latency=64 resources: irq:22 memory:d0010000-d0011fff *-network description: Wireless interface physical id: 1 logical name: wlan2 serial: 00:14:a5:77:9e:10 capabilities: ethernet physical wireless configuration: broadcast=yes driver=b43 driverversion=3.13.0-29-generic firmware=666.2 link=no multicast=yes wireless=IEEE 802.11bg

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• mount issue in ubuntu 12.10

  - by Vipin Ms

  I'm having issue with latest Ubuntu 12.10. Let me make it more clear. I'm having the following partitions in my Laptop. Device Boot Start End Blocks Id System /dev/sda1 2048 39997439 19997696 83 Linux /dev/sda2 * 40001850 81947564 20972857+ 83 Linux /dev/sda3 81947565 123877214 20964825 83 Linux /dev/sda4 123887614 976773119 426442753 5 Extended /dev/sda5 123887616 333602815 104857600 83 Linux /dev/sda6 333604864 543320063 104857600 83 Linux /dev/sda7 543322112 753037311 104857600 83 Linux /dev/sda8 753039360 976773119 111866880 83 Linux I have also two users named "ms" and abc. Here ms is for administrative tasks and abc for my friends. When I mount any drive under "abc" user, I cannot access it under my other user "ms". Same as in the case with "ms" user. I found possible reason behind the issue. When I mount any drive under "abc" user, Ubuntu will try to mount it under "/media/abc/volume_name" instead of "/media/volume_name" . Same as in the case with "ms" user. # df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 19G 11G 7.5G 59% / udev 1.5G 4.0K 1.5G 1% /dev tmpfs 599M 896K 598M 1% /run none 5.0M 0 5.0M 0% /run/lock none 1.5G 620K 1.5G 1% /run/shm none 100M 92K 100M 1% /run/user /dev/sda2 20G 172M 19G 1% /media/abc/TEST /dev/sdb1 466G 353G 114G 76% /media/abc/F088F74288F7063E /dev/sdb2 466G 318G 148G 69% /media/abc/New Volume /dev/sda5 99G 94G 323M 100% /media/abc/Songs /dev/sda6 99G 31G 63G 34% /media/ms/Films Here, you can see that "TEST" was mounted under "/media/abc/TEST". When I try to access the already mounted partition named '/media/abc/TEST" in my "ms" session I'm getting the following error. How to fix this error? Is it a bug? Is there any way to fix this without modifying the underlying file-system structure?

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• Easy File Locker Locked My Desktop

  - by user20358

  I'm happy with easy file locker, it does as promised. Last night I decided to lock all my files. C:users/Barry Some how my desktop is locked. When I closed EFL my desktop went black. Safe mode is still black. Help Below are my spec's eMachines ET1161-03 CPU: Athlon 64 X2 4400+; CPU speed: 2300GHz; Graphics adapter: nVidia GeForce 6150SE; Monitor: No; Hard drive size: 320GB; WorldBench rating: Fair

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• Tiled Editor: How is this Map Handling Collision?

  - by user2736286

  BrowserQuest map in question. From what I understand, with tiled, there are two main ways to specify collision: Create an object layer, and interpret the shapes in the engine as collision objects. Create a tiled layer, and make all tiles in the layer have a collision property, and interpret all tiles in the layer as collision objects. I'm using BrowserQuest as a big source of inspiration for my project, and I want to know how they handled collision on the level editing side. I've checked through all their layers, expecting an object layer to be handling cliff collision like: But there are no such object layers to be found. Furthermore, the tile layers containing the tiles for such cliffs have no properties at all, meaning that they didn't just specify "collision" for such tile layers. I especially need to know how they handled less rectangular shapes like: I could imagine that they are not using explicit collision layers, but instead determining collision in the actual engine, based off the presence of specific tile layer sprites. Only because BrowserQuest has whole-tile movement, and it wouldn't look too odd if a small apple, taking up only a fraction of the tile size, prevents movement over that entire tile. But I'm creating a game with more precise movement, so collision has to be tight to the apple, and I really want to know how BrowserQuest approached collision defining. If anyone knowledgeable with Tiled could take a quick look at the map, I'd appreciate it! I'm tearing my hair out here :). Thanks

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• How do I find out what a Spam Custom Rule is?

  - by SoaperGEM

  We use a Barracuda Spam Filter at work, and we also provide a mass emailing program to some of clients that send out newsletters. Lately one of them's been composing his latest company newsletter and has been trying to send preview messages to himself, but they've actually been quarantined by Barracuda as potential spam, even though they aren't. I can see the breakdown of the spam scoring headers in Barracuda, but I'm not sure what certain rules mean. Here's the breakdown: pts rule name description ---- ---------------------- -------------------------------------------------- 0.00 FUZZY_CPILL BODY: Attempt to obfuscate words in spam 2.21 HTML_IMAGE_ONLY_24 BODY: HTML: images with 2000-2400 bytes of words 0.00 HTML_MESSAGE BODY: HTML included in message 0.50 BSF_SC0_SA_TO_FROM_ADDR_MATCH Sender Address Matches Recipient Address 1.00 BSF_SC0_SA392f Custom Rule SA392f What is "Custom Rule SA392f"? Where do I find descriptions of these custom rules? And what does "images with 2000-2400 bytes of words" mean? Is that referring to the file size of the image, or something about the attributes on the <img> tag?

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• Video converters don't work anymore after reinstalling Windows

  - by tassiekev

  A few days ago, I decided to reinstall Windows 7 as my HD partition seemed to be nearly full and things were slowing down. I'd been using Handbrake almost exclusively to convert TV recordings and used Freemake on occasion. Following the reinstall, I can't get either to work: Handbrake says it's encoding for about 2 seconds and then says it's finished, but there are no converted files of any size. Freemake just says 'Conversion Error' and won't go any further. As an experiment I tried two programs that I don't normally use, VideoReDo & Any Video Converter. Both worked fine. Anyone got any clues?

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