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• Git add not working with .png files?

  - by D Lawson

  I have a dirty working tree, dirty because I made changes to source files and touched up some images. I was trying to add just the images to the index, so I ran this command: git add *.png But, this doesn't add the files. There were a few new image files that were added, but none of the ones that were modified/pre-existing were added. What gives? Edit: Here is some relevant terminal output $ git status # On branch master # # Changed but not updated: # (use "git add <file>..." to update what will be committed) # (use "git checkout -- <file>..." to discard changes in working directory) # # modified: src/main/java/net/plugins/analysis/FormMatcher.java # modified: src/main/resources/icons/doctor_edit_male.png # modified: src/main/resources/icons/doctor_female.png # # Untracked files: # (use "git add <file>..." to include in what will be committed) # # src/main/resources/icons/arrow_up.png # src/main/resources/icons/bullet_arrow_down.png # src/main/resources/icons/bullet_arrow_up.png no changes added to commit (use "git add" and/or "git commit -a") Then executed "git add *.png" (no output after command) Then: $ git status # On branch master # # Changes to be committed: # (use "git reset HEAD <file>..." to unstage) # # new file: src/main/resources/icons/arrow_up.png # new file: src/main/resources/icons/bullet_arrow_down.png # new file: src/main/resources/icons/bullet_arrow_up.png # # Changed but not updated: # (use "git add <file>..." to update what will be committed) # (use "git checkout -- <file>..." to discard changes in working directory) # # modified: src/main/java/net/plugins/analysis/FormMatcher.java # modified: src/main/resources/icons/doctor_edit_female.png # modified: src/main/resources/icons/doctor_edit_male.png

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• Core Data and iTunes File Sharing - Move/hide the .sqlite file on app update?

  - by Eric

  I have an iPad app that uses Core Data for data storage. I would like to enable file sharing in iTunes and I don't really want the users to be able to delete or modify the .sqlite file. Can I move the file to a different, hidden directory? Alternatively, could the file be made read-only? I wouldn't mind users having access to the file as long as it couldn't be changed. I suspect there is a trivial solution that is escaping me at the moment.

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• java.io.FileNotFoundException (The system cannot find the path specified)

  - by xenom

  I get this exception when I want to open a keystore java.io.FileNotFoundException: \resources\keystore (The system cannot find the path specified) Basically my application is like src/ client.java server.java resources/ keystore truststore And the faulty code : System.setProperty("javax.net.ssl.keyStore","/resources/keystore"); System.setProperty("javax.net.ssl.keyStorePassword", "ebanking"); I also tried ./resources/keystore, resources/keystore, \\resources\\keystore etc.. My application is supposed to work in an executable jar so no absolute path technique please.

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• Are Virtual-Desktop Managers good or bad for system resources?

  - by jasondavis

  I am looking at Virtual-Desktop Managers for Windows 7. Right now it seems that VirtualWin is supposed to be about the best one available for use on Windows. I have never used anything like this though and I am just curious from others experience and knowledge, does something like this hog up a lot of system resources? I do not NEED it but it is a nice feature to have when I do want to use it, my PC's performance is more important then using it. So is virtual esktop managers a resource hog or probably not? Please share any tips/advice/ or comments on them, thank you =)

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• WPF problem modify style of images in multiple Button Templates

  - by user556415

  I'm trying to create a control panel for a video camera, the panel has buttons for up, down, left and right etc. Each camera function up, down, left and right is represented by three images (see code below) for the left side, middle and right side. The control panel is circular so the corner images kind of overlap (its complicated to explain this without a visual). When I click on up for example I have to hide the initial three images (leftside, middle and right side) and display another three images for left , middle and right that indicate that the button is pressed. I am achieving this by having a grid inside a button template. The problem I have is that for the corner images for the control there are really four images that represent this. For example for the top left corner the four images would be represent 1. Top not clicked. 2. Top Clicked and 3. Left Not clicked and 4. Left Clicked. My problem is if I need to make the images contained within the Top button have precedence when the top control is clicked or the images in the left button have precedence when the left button is clicked. So it's like I want to modify the left button's image visible property when the top button is clicked and vise versa. This is really difficult to explain so I apologize if it makes little sense but I can email the source code on request if anyone is interested in my predicament. <Grid> <Canvas> <!--<StackPanel>--> <Button Name="TopSide" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" Height="34" Width="102" Canvas.Left="97" Canvas.Top="60" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" > <Button.Template> <ControlTemplate TargetType="{x:Type Button}"> <Grid Width="100"> <Canvas> <Image Name="TopRightNormal" Source="Resources/topright_off.jpg" Height="34" Width="34" Canvas.Left="66"></Image> <Image Name="TopRightDown" Source="Resources/topright_down.jpg" Height="34" Width="34" Canvas.Left="66" Visibility="Hidden" ></Image> <Image Name="TopNormal" Source="Resources/topcenter_off.jpg" Height="34" Width="34" Canvas.Left="34" /> <Image Name="TopPressed" Source="Resources/topcenter_down.jpg" Height="34" Width="34" Canvas.Left="34" Visibility="Hidden" /> <Image Name="TopDisabled" Source="Resources/topcenter_off.jpg" Height="34" Width="34" Canvas.Left="34" Visibility="Hidden" /> <Image Name="TopLeftNormal" Source="Resources/topleft_off.jpg" Height="34" Width="34" Canvas.Left="2" ></Image> <Image Name="TopLeftDown" Opacity="0" Source="Resources/topleft_down.jpg" Height="34" Width="34" Canvas.Left="2" Visibility="Hidden" ></Image> </Canvas> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsPressed" Value="True"> <Setter TargetName="TopNormal" Property="Visibility" Value="Hidden" /> <Setter TargetName="TopPressed" Property="Visibility" Value="Visible" /> <Setter TargetName="TopRightNormal" Property="Visibility" Value="Hidden" /> <Setter TargetName="TopRightDown" Property="Visibility" Value="Visible" /> <Setter TargetName="TopLeftNormal" Property="Visibility" Value="Hidden" /> <Setter TargetName="TopLeftDown" Property="Visibility" Value="Visible" /> <Setter TargetName="TopLeftDown" Property="Opacity" Value="100" /> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter TargetName="TopNormal" Property="Visibility" Value="Hidden" /> <Setter TargetName="TopDisabled" Property="Visibility" Value="Visible" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Button.Template> </Button> <!--</StackPanel>--> <!--<StackPanel>--> <Button Name="LeftSide" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" Canvas.Left="100" Canvas.Top="60" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" MouseDown="Button_MouseDown_1"> <Button.Template> <ControlTemplate TargetType="{x:Type Button}"> <Grid Width="34" Height="100"> <Canvas> <Image Name="TopLeftNormal" Source="Resources/topleft_off.jpg" Height="34" Width="34" Canvas.Left="0"></Image> <Image Name="TopLeftDown" Opacity="0" Source="Resources/topleft_leftdown.jpg" Height="34" Width="34" Canvas.Left="0" Visibility="Hidden" ></Image> <Image Name="Normal" Source="Resources/leftcenter_off.jpg" Height="34" Width="34" Canvas.Top="32" Canvas.Left="0"/> <Image Name="Pressed" Source="Resources/leftcenter_down.jpg" Visibility="Hidden" Canvas.Top="32" Height="34" Width="34" /> <Image Name="Disabled" Source="Resources/leftcenter_off.jpg" Visibility="Hidden" Height="34" Width="34" Canvas.Top="32" /> </Canvas> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsPressed" Value="True"> <Setter TargetName="Normal" Property="Visibility" Value="Hidden" /> <Setter TargetName="Pressed" Property="Visibility" Value="Visible" /> <Setter TargetName="TopLeftNormal" Property="Visibility" Value="Hidden" /> <Setter TargetName="TopLeftNormal" Property="Opacity" Value="0" /> <Setter TargetName="TopLeftDown" Property="Visibility" Value="Visible" /> <Setter TargetName="TopLeftDown" Property="Opacity" Value="100" /> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter TargetName="Normal" Property="Visibility" Value="Hidden" /> <Setter TargetName="Disabled" Property="Visibility" Value="Visible" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Button.Template> </Button> <!--</StackPanel>--> <!--<StackPanel>--> <Button xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" Height="34" Width="34" Canvas.Left="165" Canvas.Top="92" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" MouseDown="Button_MouseDown_2" > <Button.Template> <ControlTemplate TargetType="{x:Type Button}"> <Grid> <Image Name="Normal" Source="Resources/rightcenter_off.jpg" /> <Image Name="Pressed" Source="Resources/rightcenter_down.jpg" Visibility="Hidden" /> <Image Name="Disabled" Source="Resources/rightcenter_off.jpg" Visibility="Hidden" /> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsPressed" Value="True"> <Setter TargetName="Normal" Property="Visibility" Value="Hidden" /> <Setter TargetName="Pressed" Property="Visibility" Value="Visible" /> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter TargetName="Normal" Property="Visibility" Value="Hidden" /> <Setter TargetName="Disabled" Property="Visibility" Value="Visible" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Button.Template> </Button> <!--</StackPanel>--> <!--<StackPanel>--> <Button xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" Height="34" Width="34" Canvas.Left="133" Canvas.Top="124" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" > <Button.Template> <ControlTemplate TargetType="{x:Type Button}"> <Grid> <Image Name="BottomNormal" Source="Resources/bottomcenter_off.jpg" /> <Image Name="BottomPressed" Source="Resources/bottomcenter_down.jpg" Visibility="Hidden" /> <Image Name="BottomDisabled" Source="Resources/bottomcenter_off.jpg" Visibility="Hidden" /> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsPressed" Value="True"> <Setter TargetName="BottomNormal" Property="Visibility" Value="Hidden" /> <Setter TargetName="BottomPressed" Property="Visibility" Value="Visible" /> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter TargetName="BottomNormal" Property="Visibility" Value="Hidden" /> <Setter TargetName="BottomDisabled" Property="Visibility" Value="Visible" /> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Button.Template> </Button> <!--</StackPanel>--> <Image Source="Resources/bottomright_off.jpg" Height="34" Width="34" Canvas.Left="165" Canvas.Top="124"></Image> <Image Source="Resources/bottomleft_off.jpg" Height="34" Width="34" Canvas.Left="100" Canvas.Top="124"></Image> <!--<ToggleButton Style="{StaticResource MyToggleButtonStyle}" Height="34" Width="34" Margin="150,100"/>--> </Canvas> </Grid>

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• How to copy resources from other module to specific location ? (maven)

  - by smallufo

  I have a maven-managed project with some modules. One module contains some native codes inside "src/main/resources/native" directory. Second module packages all related modules to a WAR file. Here comes the question : How to copy the "native/" directory (and its sub-directories) in first module to WEB-INF/native directory in the second module ? I found a copy resources plugin , but it seems not what I want. (It copies directory inside the same module , but I want cross-module copy) Thanks in advanced.

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• app-engine-rest-server to raise KeyError("name %s already used" % model_name)

  - by fx

  I'm playing with the project appengine-rest-server to create the REST webservices for all the existing models. I got a strange error, the first time I query the browser: http://localhost:8080/rest/metadata/user, it gives me the result: <xs:schema> - <xs:element name="user"> - <xs:complexType> - <xs:sequence> <xs:element maxOccurs="1" minOccurs="0" name="key" type="xs:normalizedString"/> <xs:element maxOccurs="1" minOccurs="0" name="surname" type="xs:string"/> <xs:element maxOccurs="1" minOccurs="0" name="firstname" type="xs:string"/> <xs:element maxOccurs="1" minOccurs="0" name="ages" type="xs:long"/> <xs:element maxOccurs="1" minOccurs="0" name="sex" type="xs:boolean"/> <xs:element maxOccurs="1" minOccurs="0" name="updatedDate" type="xs:dateTime"/> <xs:element maxOccurs="1" minOccurs="0" name="createdDate" type="xs:dateTime"/> </xs:sequence> </xs:complexType> </xs:element> </xs:schema> But refreshing the page, gives me this error: Traceback (most recent call last): File "/Users/foo/Documents/AppEngine/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 3185, in _HandleRequest self._Dispatch(dispatcher, self.rfile, outfile, env_dict) File "/Users/foo/Documents/AppEngine/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 3128, in _Dispatch base_env_dict=env_dict) File "/Users/foo/Documents/AppEngine/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 515, in Dispatch base_env_dict=base_env_dict) File "/Users/foo/Documents/AppEngine/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 2387, in Dispatch self._module_dict) File "/Users/foo/Documents/AppEngine/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 2297, in ExecuteCGI reset_modules = exec_script(handler_path, cgi_path, hook) File "/Users/foo/Documents/AppEngine/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/dev_appserver.py", line 2195, in ExecuteOrImportScript script_module.main() File "/Users/foo/Documents/AppEngine/helloworld/main.py", line 48, in main rest.Dispatcher.add_models({"user": UserModel}) File "/Users/foo/Documents/AppEngine/helloworld/rest/__init__.py", line 845, in add_models cls.add_model(model_name, model_type) File "/Users/foo/Documents/AppEngine/helloworld/rest/__init__.py", line 863, in add_model raise KeyError("name %s already used" % model_name) KeyError: 'name user already used' Can someone give me the explanation on why it happens? Restarting the server, run on the browser again I get the xml result, but refreshing causes the error. Is it a bug in the appengine-rest-server application or it is in my code? My helloworld application is available for download here.

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• How Do I Stop NFS Clients from Using All of the NFS Server's Resources?

  - by Ken S.

  I have a v4 NFS server running on Ubuntu 12.04LTS. It is the main repository for the web assets that four external nginx webservers mount to serve up to site visitors. These client servers connect to it via a read-only mount. Each of these RO servers has this displayed when I check the mounts: 10.0.0.90:/assets on /var/www/assets type nfs4 (ro,addr=10.0.0.90,clientaddr=0.0.0.0) The NFS master's /etc/exports file contains entries like this for each server: /mnt/lvm-ext4 10.0.0.40(ro,fsid=0,insecure,no_subtree_check,async) The problem that I'm seeing is that these clients are eventually utilizing all the RAM on the NFS server and causing it to crash. If I do a watch free -m I can watch the used memory creep up until it's used and then see the free buffers/cache entry creep down to near zero before the server eventually locks up requiring a reboot. There is some sort of memory leak somewhere that is causing this, and the optimal solution would be to find it and fix it, but in the meantime I need to find a way to have the NFS server protect itself from connected clients using all it's RAM. There must be some sort of setting that limits the resources the clients can use, but I can't seem to find it. I've tried adjusting the values for rsize and wsize but they don't seem to help or be related. Thanks for any tips.

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• How do i mount my SD Card? I am using ubuntu 10.04

  - by shobhit

  root@shobhit:/media# lsusb Bus 002 Device 017: ID 14cd:125c Super Top Bus 002 Device 003: ID 0c45:6421 Microdia Bus 002 Device 002: ID 8087:0020 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 011: ID 413c:8160 Dell Computer Corp. Bus 001 Device 006: ID 413c:8162 Dell Computer Corp. Bus 001 Device 005: ID 413c:8161 Dell Computer Corp. Bus 001 Device 004: ID 138a:0008 DigitalPersona, Inc Bus 001 Device 003: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth) Bus 001 Device 002: ID 8087:0020 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub root@shobhit:/home/shobhit/scripts/internalUtilities# sudo lspci -v -nn 00:1a.0 USB Controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b3c] (rev 06) (prog-if 20) Subsystem: Dell Device [1028:0441] Flags: bus master, medium devsel, latency 0, IRQ 16 Memory at fbc08000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] PCIe advanced features <?> Kernel driver in use: ehci_hcd 00:1d.0 USB Controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b34] (rev 06) (prog-if 20) Subsystem: Dell Device [1028:0441] Flags: bus master, medium devsel, latency 0, IRQ 23 Memory at fbc07000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] PCIe advanced features <?> Kernel driver in use: ehci_hcd 00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev a6) (prog-if 01) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=20, subordinate=20, sec-latency=32 Capabilities: [50] Subsystem: Dell Device [1028:0441] 00:1f.0 ISA bridge [0601]: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller [8086:3b0b] (rev 06) Subsystem: Dell Device [1028:0441] Flags: bus master, medium devsel, latency 0 Capabilities: [e0] Vendor Specific Information <?> Kernel modules: iTCO_wdt 00:1f.2 SATA controller [0106]: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller [8086:3b2f] (rev 06) (prog-if 01) Subsystem: Dell Device [1028:0441] Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 29 I/O ports at f070 [size=8] I/O ports at f060 [size=4] I/O ports at f050 [size=8] I/O ports at f040 [size=4] I/O ports at f020 [size=32] Memory at fbc06000 (32-bit, non-prefetchable) [size=2K] Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+ Capabilities: [70] Power Management version 3 Capabilities: [a8] SATA HBA <?> Capabilities: [b0] PCIe advanced features <?> Kernel driver in use: ahci Kernel modules: ahci 00:1f.3 SMBus [0c05]: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller [8086:3b30] (rev 06) Subsystem: Dell Device [1028:0441] Flags: medium devsel, IRQ 3 Memory at fbc05000 (64-bit, non-prefetchable) [size=256] I/O ports at f000 [size=32] Kernel modules: i2c-i801 00:1f.6 Signal processing controller [1180]: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem [8086:3b32] (rev 06) Subsystem: Dell Device [1028:0441] Flags: bus master, fast devsel, latency 0, IRQ 3 Memory at fbc04000 (64-bit, non-prefetchable) [size=4K] Capabilities: [50] Power Management version 3 Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- 12:00.0 Network controller [0280]: Broadcom Corporation Device [14e4:4727] (rev 01) Subsystem: Dell Device [1028:0010] Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at fbb00000 (64-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [58] Vendor Specific Information <?> Capabilities: [48] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [d0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting <?> Capabilities: [13c] Virtual Channel <?> Capabilities: [160] Device Serial Number cb-c0-8b-ff-ff-38-00-00 Capabilities: [16c] Power Budgeting <?> Kernel driver in use: wl Kernel modules: wl 13:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 03) Subsystem: Dell Device [1028:0441] Flags: bus master, fast devsel, latency 0, IRQ 28 I/O ports at e000 [size=256] Memory at d0b04000 (64-bit, prefetchable) [size=4K] Memory at d0b00000 (64-bit, prefetchable) [size=16K] Expansion ROM at fba00000 [disabled] [size=128K] Capabilities: [40] Power Management version 3 Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+ Capabilities: [70] Express Endpoint, MSI 01 Capabilities: [ac] MSI-X: Enable- Mask- TabSize=4 Capabilities: [cc] Vital Product Data <?> Capabilities: [100] Advanced Error Reporting <?> Capabilities: [140] Virtual Channel <?> Capabilities: [160] Device Serial Number 00-e0-4c-68-00-00-00-03 Kernel driver in use: r8169 Kernel modules: r8169 root@shobhit:/home/shobhit/scripts/internalUtilities# sudo lshw shobhit description: Portable Computer product: Vostro 3500 vendor: Dell Inc. version: A10 serial: FV1L3N1 width: 32 bits capabilities: smbios-2.6 dmi-2.6 smp-1.4 smp configuration: boot=normal chassis=portable cpus=2 uuid=44454C4C-5600-1031-804C-C6C04F334E31 *-core description: Motherboard product: 0G2R51 vendor: Dell Inc. physical id: 0 version: A10 serial: .FV1L3N1.CN7016612H00PW. slot: To Be Filled By O.E.M. *-cpu:0 description: CPU product: Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz vendor: Intel Corp. physical id: 4 bus info: cpu@0 version: 6.5.5 serial: 0002-0655-0000-0000-0000-0000 slot: CPU 1 size: 1197MHz capacity: 2926MHz width: 64 bits clock: 533MHz capabilities: boot fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida arat tpr_shadow vnmi flexpriority ept vpid cpufreq configuration: id=4 *-cache:0 description: L1 cache physical id: 5 slot: L1-Cache size: 64KiB capacity: 64KiB capabilities: internal write-back unified *-cache:1 description: L2 cache physical id: 6 slot: L2-Cache size: 512KiB capacity: 512KiB capabilities: internal varies unified *-cache:2 description: L3 cache physical id: 7 slot: L3-Cache size: 3MiB capacity: 3MiB capabilities: internal varies unified *-logicalcpu:0 description: Logical CPU physical id: 4.1 width: 64 bits capabilities: logical *-logicalcpu:1 description: Logical CPU physical id: 4.2 width: 64 bits capabilities: logical *-logicalcpu:2 description: Logical CPU physical id: 4.3 width: 64 bits capabilities: logical *-logicalcpu:3 description: Logical CPU physical id: 4.4 width: 64 bits capabilities: logical *-logicalcpu:4 description: Logical CPU physical id: 4.5 width: 64 bits capabilities: logical *-logicalcpu:5 description: Logical CPU physical id: 4.6 width: 64 bits capabilities: logical *-logicalcpu:6 description: Logical CPU physical id: 4.7 width: 64 bits capabilities: logical *-logicalcpu:7 description: Logical CPU physical id: 4.8 width: 64 bits capabilities: logical *-logicalcpu:8 description: Logical CPU physical id: 4.9 width: 64 bits capabilities: logical *-logicalcpu:9 description: Logical CPU physical id: 4.a width: 64 bits capabilities: logical *-logicalcpu:10 description: Logical CPU physical id: 4.b width: 64 bits capabilities: logical *-logicalcpu:11 description: Logical CPU physical id: 4.c width: 64 bits capabilities: logical *-logicalcpu:12 description: Logical CPU physical id: 4.d width: 64 bits capabilities: logical *-logicalcpu:13 description: Logical CPU physical id: 4.e width: 64 bits capabilities: logical *-logicalcpu:14 description: Logical CPU physical id: 4.f width: 64 bits capabilities: logical *-logicalcpu:15 description: Logical CPU physical id: 4.10 width: 64 bits capabilities: logical *-memory description: System Memory physical id: 1d slot: System board or motherboard size: 3GiB *-bank:0 description: DIMM Synchronous 1333 MHz (0.8 ns) product: HMT112S6TFR8C-H9 vendor: AD80 physical id: 0 serial: 5525C935 slot: DIMM_A size: 1GiB width: 64 bits clock: 1333MHz (0.8ns) *-bank:1 description: DIMM Synchronous 1333 MHz (0.8 ns) product: HMT125S6TFR8C-H9 vendor: AD80 physical id: 1 serial: 3441D6CA slot: DIMM_B size: 2GiB width: 64 bits clock: 1333MHz (0.8ns) *-firmware description: BIOS vendor: Dell Inc. physical id: 0 version: A10 (10/25/2010) size: 64KiB capacity: 1984KiB capabilities: mca pci upgrade shadowing escd cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer int10video acpi usb zipboot biosbootspecification *-cpu:1 physical id: 1 bus info: cpu@1 version: 6.5.5 serial: 0002-0655-0000-0000-0000-0000 size: 1197MHz capacity: 1197MHz capabilities: vmx ht cpufreq configuration: id=4 *-logicalcpu:0 description: Logical CPU physical id: 4.1 capabilities: logical *-logicalcpu:1 description: Logical CPU physical id: 4.2 capabilities: logical *-logicalcpu:2 description: Logical CPU physical id: 4.3 capabilities: logical *-logicalcpu:3 description: Logical CPU physical id: 4.4 capabilities: logical *-logicalcpu:4 description: Logical CPU physical id: 4.5 capabilities: logical *-logicalcpu:5 description: Logical CPU physical id: 4.6 capabilities: logical *-logicalcpu:6 description: Logical CPU physical id: 4.7 capabilities: logical *-logicalcpu:7 description: Logical CPU physical id: 4.8 capabilities: logical *-logicalcpu:8 description: Logical CPU physical id: 4.9 capabilities: logical *-logicalcpu:9 description: Logical CPU physical id: 4.a capabilities: logical *-logicalcpu:10 description: Logical CPU physical id: 4.b capabilities: logical *-logicalcpu:11 description: Logical CPU physical id: 4.c capabilities: logical *-logicalcpu:12 description: Logical CPU physical id: 4.d capabilities: logical *-logicalcpu:13 description: Logical CPU physical id: 4.e capabilities: logical *-logicalcpu:14 description: Logical CPU physical id: 4.f capabilities: logical *-logicalcpu:15 description: Logical CPU physical id: 4.10 capabilities: logical *-pci description: Host bridge product: Core Processor DRAM Controller vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 18 width: 32 bits clock: 33MHz configuration: driver=agpgart-intel resources: irq:0 *-display description: VGA compatible controller product: Core Processor Integrated Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 18 width: 64 bits clock: 33MHz capabilities: msi pm bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:30 memory:fac00000-faffffff memory:c0000000-cfffffff(prefetchable) ioport:f080(size=8) *-communication UNCLAIMED description: Communication controller product: 5 Series/3400 Series Chipset HECI Controller vendor: Intel Corporation physical id: 16 bus info: pci@0000:00:16.0 version: 06 width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: latency=0 resources: memory:fbc09000-fbc0900f *-usb:0 description: USB Controller product: 5 Series/3400 Series Chipset USB2 Enhanced Host Controller vendor: Intel Corporation physical id: 1a bus info: pci@0000:00:1a.0 version: 06 width: 32 bits clock: 33MHz capabilities: pm debug bus_master cap_list configuration: driver=ehci_hcd latency=0 resources: irq:16 memory:fbc08000-fbc083ff *-multimedia description: Audio device product: 5 Series/3400 Series Chipset High Definition Audio vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 06 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=HDA Intel latency=0 resources: irq:22 memory:fbc00000-fbc03fff *-pci:0 description: PCI bridge product: 5 Series/3400 Series Chipset PCI Express Root Port 1 vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: 06 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm bus_master cap_list configuration: driver=pcieport resources: irq:24 ioport:2000(size=4096) memory:bc000000-bc1fffff memory:bc200000-bc3fffff(prefetchable) *-pci:1 description: PCI bridge product: 5 Series/3400 Series Chipset PCI Express Root Port 2 vendor: Intel Corporation physical id: 1c.1 bus info: pci@0000:00:1c.1 version: 06 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm bus_master cap_list configuration: driver=pcieport resources: irq:25 ioport:3000(size=4096) memory:fbb00000-fbbfffff memory:bc400000-bc5fffff(prefetchable) *-network description: Wireless interface product: Broadcom Corporation vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:12:00.0 logical name: eth1 version: 01 serial: c0:cb:38:8b:aa:d8 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=5.60.48.36 ip=10.0.1.50 latency=0 multicast=yes wireless=IEEE 802.11 resources: irq:17 memory:fbb00000-fbb03fff *-pci:2 description: PCI bridge product: 5 Series/3400 Series Chipset PCI Express Root Port 3 vendor: Intel Corporation physical id: 1c.2 bus info: pci@0000:00:1c.2 version: 06 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm bus_master cap_list configuration: driver=pcieport resources: irq:26 ioport:e000(size=4096) memory:fba00000-fbafffff ioport:d0b00000(size=1048576) *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:13:00.0 logical name: eth0 version: 03 serial: 78:2b:cb:cc:0e:2a size: 10MB/s capacity: 1GB/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no multicast=yes port=MII speed=10MB/s resources: irq:28 ioport:e000(size=256) memory:d0b04000-d0b04fff(prefetchable) memory:d0b00000-d0b03fff(prefetchable) memory:fba00000-fba1ffff(prefetchable) *-pci:3 description: PCI bridge product: 5 Series/3400 Series Chipset PCI Express Root Port 5 vendor: Intel Corporation physical id: 1c.4 bus info: pci@0000:00:1c.4 version: 06 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm bus_master cap_list configuration: driver=pcieport resources: irq:27 ioport:d000(size=4096) memory:fb000000-fb9fffff ioport:d0000000(size=10485760) *-usb:1 description: USB Controller product: 5 Series/3400 Series Chipset USB2 Enhanced Host Controller vendor: Intel Corporation physical id: 1d bus info: pci@0000:00:1d.0 version: 06 width: 32 bits clock: 33MHz capabilities: pm debug bus_master cap_list configuration: driver=ehci_hcd latency=0 resources: irq:23 memory:fbc07000-fbc073ff *-pci:4 description: PCI bridge product: 82801 Mobile PCI Bridge vendor: Intel Corporation physical id: 1e bus info: pci@0000:00:1e.0 version: a6 width: 32 bits clock: 33MHz capabilities: pci bus_master cap_list *-isa description: ISA bridge product: Mobile 5 Series Chipset LPC Interface Controller vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 06 width: 32 bits clock: 33MHz capabilities: isa bus_master cap_list configuration: latency=0 *-storage description: SATA controller product: 5 Series/3400 Series Chipset 6 port SATA AHCI Controller vendor: Intel Corporation physical id: 1f.2 bus info: pci@0000:00:1f.2 logical name: scsi0 logical name: scsi1 version: 06 width: 32 bits clock: 66MHz capabilities: storage msi pm bus_master cap_list emulated configuration: driver=ahci latency=0 resources: irq:29 ioport:f070(size=8) ioport:f060(size=4) ioport:f050(size=8) ioport:f040(size=4) ioport:f020(size=32) memory:fbc06000-fbc067ff *-disk description: ATA Disk product: WDC WD3200BEKT-7 vendor: Western Digital physical id: 0 bus info: scsi@0:0.0.0 logical name: /dev/sda version: 01.0 serial: WD-WX21AC0W1945 size: 298GiB (320GB) capabilities: partitioned partitioned:dos configuration: ansiversion=5 signature=77e3ed41 *-volume:0 description: Windows NTFS volume physical id: 1 bus info: scsi@0:0.0.0,1 logical name: /dev/sda1 version: 3.1 serial: aa69-51c0 size: 98MiB capacity: 100MiB capabilities: primary bootable ntfs initialized configuration: clustersize=4096 created=2012-04-03 02:00:15 filesystem=ntfs label=System Reserved state=clean *-volume:1 description: Windows NTFS volume physical id: 2 bus info: scsi@0:0.0.0,2 logical name: /dev/sda2 version: 3.1 serial: 9854ff5c-1dea-a147-84a6-624e758f44b8 size: 48GiB capacity: 48GiB capabilities: primary ntfs initialized configuration: clustersize=4096 created=2012-04-10 13:55:31 filesystem=ntfs modified_by_chkdsk=true mounted_on_nt4=true resize_log_file=true state=dirty upgrade_on_mount=true *-volume:2 description: Extended partition physical id: 3 bus info: scsi@0:0.0.0,3 logical name: /dev/sda3 size: 48GiB capacity: 48GiB capabilities: primary extended partitioned partitioned:extended *-logicalvolume:0 description: Linux swap / Solaris partition physical id: 5 logical name: /dev/sda5 capacity: 1952MiB capabilities: nofs *-logicalvolume:1 description: Linux filesystem partition physical id: 6 logical name: /dev/sda6 logical name: / capacity: 46GiB configuration: mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,barrier=1,data=ordered state=mounted *-volume:3 description: Windows NTFS volume physical id: 4 bus info: scsi@0:0.0.0,4 logical name: /dev/sda4 logical name: /media/56AA8094AA807273 version: 3.1 serial: 22a29e8d-56c7-9a4a-adea-528103948f6d size: 200GiB capacity: 200GiB capabilities: primary ntfs initialized configuration: clustersize=4096 created=2012-04-02 20:17:15 filesystem=ntfs modified_by_chkdsk=true mount.fstype=fuseblk mount.options=rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096 mounted_on_nt4=true resize_log_file=true state=mounted upgrade_on_mount=true *-cdrom description: DVD-RAM writer product: DVD+-RW TS-L633J vendor: TSSTcorp physical id: 1 bus info: scsi@1:0.0.0 logical name: /dev/cdrom logical name: /dev/cdrw logical name: /dev/dvd logical name: /dev/dvdrw logical name: /dev/scd0 logical name: /dev/sr0 version: D200 capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram configuration: ansiversion=5 status=nodisc *-serial UNCLAIMED description: SMBus product: 5 Series/3400 Series Chipset SMBus Controller vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 06 width: 64 bits clock: 33MHz configuration: latency=0 resources: memory:fbc05000-fbc050ff ioport:f000(size=32) *-generic UNCLAIMED description: Signal processing controller product: 5 Series/3400 Series Chipset Thermal Subsystem vendor: Intel Corporation physical id: 1f.6 bus info: pci@0000:00:1f.6 version: 06 width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: latency=0 resources: memory:fbc04000-fbc04fff *-scsi physical id: 2 bus info: usb@2:1.1 logical name: scsi15 capabilities: emulated scsi-host configuration: driver=usb-storage *-disk description: SCSI Disk physical id: 0.0.0 bus info: scsi@15:0.0.0 logical name: /dev/sdb I have tried all options like fdisk /dev/sdb , pmount /dev/sdb but nothing is working .Pls guide me

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• Use Ubuntu’s Public Folder to Easily Share Files Between Computers

  - by Chris Hoffman

  You’ve probably noticed that Ubuntu comes with a Public folder in your home directory. This folder isn’t shared by default, but you can easily set up several different types of file-sharing to easily share files on your local network. This folder was originally meant for the Personal File Sharing tool, which is no longer included with Ubuntu by default. You can install the Personal File Sharing tool or use Ubuntu’s built-in file-sharing feature to share files. HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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• We’ve Got 10 Free Copies of Microsoft’s Networking Windows 7 eBook to Give Away. Get Yours!

  - by The Geek

  Last month, we reviewed our friend Ciprian’s new book by Microsoft Press, Network Your Computers & Devices: Step by Step—and we’ve twisted his arm until he decided to give away 10 free copies for our readers. First, the book: It’s a great book that covers networking between computers running Windows 7, XP, Vista, Linux, and even Mac OS X. Just as the title suggests, he’s got step-by-step tutorials that explain how to get your network up and running with a minimum of fuss. Want to see for yourself? You can grab a copy of the free sample chapter if you’d like, or you can look through the chapter outline: Chapter 1: Setting Up a Router and Devices Chapter 2: Setting User Accounts on All Computers Chapter 3: Setting Up Your Libraries on All Windows 7 Computers Chapter 4: Creating the Network Chapter 5: Customizing Network Sharing Settings in Windows 7 Chapter 6: Creating the Homegroup and Joining Windows 7 Computers Chapter 7: Sharing Libraries and Folders Chapter 8: Sharing and Working with Devices Chapter 9: Streaming Media Over the Network and the Internet Chapter 10: Sharing Between Windows XP, Windows Vista, and Windows 7 Computers Chapter 11: Sharing Between Mac OS X and Windows 7 Computers Chapter 12: Sharing Between Ubuntu Linux and Windows 7 Computers Chapter 13: Keeping the Network Secure Chapter 14: Setting Up Parental Controls Chapter 15: Troubleshooting Network and Internet Problems Whether you believe it’s the perfect book or not, we’re giving away one for free, so keep reading. Giveaway Details: Or What You Need to Do Since we’ve got an awful lot of subscribers, and we’ve only got 10 ebooks to give away, we need a few rules. So here’s how you can put your name into the hat for the giveaway: Method 1: Leave a comment on the giveaway post over on our Facebook Fan page. Obviously you’ll need to Like us before you can leave a comment. Method 2: If you don’t use Facebook, you can tweet this post using the Tweet button at the top of the article. Winners: We’ll randomly pick 10 winners from those who participate. Expiration: This giveaway expires in 3 days, give or take a day. We’ll announce the winners and contact them directly. So go forth, and get yourself a free ebook! Of course, if you want the print version, you can get that for a discount over on Amazon at the moment. Latest Features How-To Geek ETC Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines MyPaint is an Open-Source Graphics App for Digital Painters Can the Birds and Pigs Really Be Friends in the End? [Angry Birds Video] Add the 2D Version of the New Unity Interface to Ubuntu 10.10 and 11.04 MightyMintyBoost Is a 3-in-1 Gadget Charger Watson Ties Against Human Jeopardy Opponents Peaceful Tropical Cavern Wallpaper

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• SQL SERVER – Core Concepts – Elasticity, Scalability and ACID Properties – Exploring NuoDB an Elastically Scalable Database System

  - by pinaldave

  I have been recently exploring Elasticity and Scalability attributes of databases. You can see that in my earlier blog posts about NuoDB where I wanted to look at Elasticity and Scalability concepts. The concepts are very interesting, and intriguing as well. I have discussed these concepts with my friend Joyti M and together we have come up with this interesting read. The goal of this article is to answer following simple questions What is Elasticity? What is Scalability? How ACID properties vary from NOSQL Concepts? What are the prevailing problems in the current database system architectures? Why is NuoDB  an innovative and welcome change in database paradigm? Elasticity This word’s original form is used in many different ways and honestly it does do a decent job in holding things together over the years as a person grows and contracts. Within the tech world, and specifically related to software systems (database, application servers), it has come to mean a few things - allow stretching of resources without reaching the breaking point (on demand). What are resources in this context? Resources are the usual suspects – RAM/CPU/IO/Bandwidth in the form of a container (a process or bunch of processes combined as modules). When it is about increasing resources the simplest idea which comes to mind is the addition of another container. Another container means adding a brand new physical node. When it is about adding a new node there are two questions which comes to mind. 1) Can we add another node to our software system? 2) If yes, does adding new node cause downtime for the system? Let us assume we have added new node, let us see what the new needs of the system are when a new node is added. Balancing incoming requests to multiple nodes Synchronization of a shared state across multiple nodes Identification of “downstate” and resolution action to bring it to “upstate” Well, adding a new node has its advantages as well. Here are few of the positive points Throughput can increase nearly horizontally across the node throughout the system Response times of application will increase as in-between layer interactions will be improved Now, Let us put the above concepts in the perspective of a Database. When we mention the term “running out of resources” or “application is bound to resources” the resources can be CPU, Memory or Bandwidth. The regular approach to “gain scalability” in the database is to look around for bottlenecks and increase the bottlenecked resource. When we have memory as a bottleneck we look at the data buffers, locks, query plans or indexes. After a point even this is not enough as there needs to be an efficient way of managing such large workload on a “single machine” across memory and CPU bound (right kind of scheduling)  workload. We next move on to either read/write separation of the workload or functionality-based sharing so that we still have control of the individual. But this requires lots of planning and change in client systems in terms of knowing where to go/update/read and for reporting applications to “aggregate the data” in an intelligent way. What we ideally need is an intelligent layer which allows us to do these things without us getting into managing, monitoring and distributing the workload. Scalability In the context of database/applications, scalability means three main things Ability to handle normal loads without pressure E.g. X users at the Y utilization of resources (CPU, Memory, Bandwidth) on the Z kind of hardware (4 processor, 32 GB machine with 15000 RPM SATA drives and 1 GHz Network switch) with T throughput Ability to scale up to expected peak load which is greater than normal load with acceptable response times Ability to provide acceptable response times across the system E.g. Response time in S milliseconds (or agreed upon unit of measure) – 90% of the time The Issue – Need of Scale In normal cases one can plan for the load testing to test out normal, peak, and stress scenarios to ensure specific hardware meets the needs. With help from Hardware and Software partners and best practices, bottlenecks can be identified and requisite resources added to the system. Unfortunately this vertical scale is expensive and difficult to achieve and most of the operational people need the ability to scale horizontally. This helps in getting better throughput as there are physical limits in terms of adding resources (Memory, CPU, Bandwidth and Storage) indefinitely. Today we have different options to achieve scalability: Read & Write Separation The idea here is to do actual writes to one store and configure slaves receiving the latest data with acceptable delays. Slaves can be used for balancing out reads. We can also explore functional separation or sharing as well. We can separate data operations by a specific identifier (e.g. region, year, month) and consolidate it for reporting purposes. For functional separation the major disadvantage is when schema changes or workload pattern changes. As the requirement grows one still needs to deal with scale need in manual ways by providing an abstraction in the middle tier code. Using NOSQL solutions The idea is to flatten out the structures in general to keep all values which are retrieved together at the same store and provide flexible schema. The issue with the stores is that they are compromising on mostly consistency (no ACID guarantees) and one has to use NON-SQL dialect to work with the store. The other major issue is about education with NOSQL solutions. Would one really want to make these compromises on the ability to connect and retrieve in simple SQL manner and learn other skill sets? Or for that matter give up on ACID guarantee and start dealing with consistency issues? Hybrid Deployment – Mac, Linux, Cloud, and Windows One of the challenges today that we see across On-premise vs Cloud infrastructure is a difference in abilities. Take for example SQL Azure – it is wonderful in its concepts of throttling (as it is shared deployment) of resources and ability to scale using federation. However, the same abilities are not available on premise. This is not a mistake, mind you – but a compromise of the sweet spot of workloads, customer requirements and operational SLAs which can be supported by the team. In today’s world it is imperative that databases are available across operating systems – which are a commodity and used by developers of all hues. An Ideal Database Ability List A system which allows a linear scale of the system (increase in throughput with reasonable response time) with the addition of resources A system which does not compromise on the ACID guarantees and require developers to learn new paradigms A system which does not force fit a new way interacting with database by learning Non-SQL dialect A system which does not force fit its mechanisms for providing availability across its various modules. Well NuoDB is the first database which has all of the above abilities and much more. In future articles I will cover my hands-on experience with it. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology Tagged: NuoDB

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• How to setup a Wi-Fi 2-computer network with Internet sharing?

  - by Narek

  I have the following devices: Desktop Computer (Windows XP Professional) Laptop Computer (Windows Vista Home Premium) A USB modem that I want to connect to my Desktop computer (so my Desktop has Internet) And a Wi-Fi router (D-Link, model: DIR-300) that I want to use in order to create a connection between mentioned two computers to be able to share files and what is the most important thing to make my laptop to have access to the Internet. What steps I should do to have this system?

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• Network Your Computers & Devices: Step by Step

  - by The Geek

  If you’re looking for a great book to help you learn more about Windows home networking, there’s a new book on the market by our good friend Ciprian, and published by none other than Microsoft Press. Note: our friend Ciprian has been a guest contributor here on How-To Geek in the past, and he’s not only a geek that knows what he’s talking about, he’s also one of the more honest and decent people I’ve worked with. In his spare time, he runs the 7 Tutorials web site. The Book One of the great things about this book is that you aren’t limited to just Windows networking—it also explains how to connect Windows 7, XP, Vista, Mac OS X, and even Linux on the same network and share folders and devices between them. Everything in the book is written in a typical How-To Geek step-by-step format, with plenty of screenshots and pictures to help you through the process. Book Outline If you’re going to be spending some money on the book, you probably want to know what it’s all about, and since the Amazon page doesn’t give, well, much information at all, here’s the entire outline for you: Setting Up a Router and Devices Setting User Account on All Computers Setting Up Your Libraries on All Windows 7 Computers Creating the Network Customizing Network Sharing Settings in Windows 7 Creating the Homegroup and Joining Windows 7 Computers Sharing Libraries and Folders Sharing and Working with Devices Streaming Media Over the Network and the Internet Sharing Between Windows XP, Windows Vista, and Windows 7 Computers Sharing Between Mac OS X and Windows 7 Computers Sharing Between Ubuntu Linux and Windows 7 Computers Keeping the Network Secure Setting Up Parental Controls Troubleshooting Network and Internet Problems It’s a great book, with loads of information, and compared to most tech books isn’t very expensive—only $19.79 for the paperback and $9.99 for the Kindle version. Well worth it, and hey, it’s an official Microsoft Press book—written by a How-To Geek guest author. Network Your Computers & Devices Step by Step [Amazon] Latest Features How-To Geek ETC How To Boot 10 Different Live CDs From 1 USB Flash Drive The 20 Best How-To Geek Linux Articles of 2010 The 50 Best How-To Geek Windows Articles of 2010 The 20 Best How-To Geek Explainer Topics for 2010 How to Disable Caps Lock Key in Windows 7 or Vista How to Use the Avira Rescue CD to Clean Your Infected PC 2011 International Space Station Calendar Available for Download (Free) Ultimate Elimination – Lego Black Ops [Video] BotSync Enables Secure FTP File Synchronization on Android Devices Enjoy Beautiful City Views with the Cityscape Theme for Windows 7 Luigi Installs Any OS on Google’s Cr-48 Notebook DIY iPad Stylus Offers Pen-Based Interaction on the Cheap

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• What's the best solution for file sharing in my case? DAS or NAS?

  - by jakub

  I want to have in my network small, cheap and energy efficient server with will be fully customizable (Gnu/Linux, OpenBSD). What is more I want to have big, redundant storage in my network and access to it via server. I have already small terminal without hard drive (no SATA/PATA, one drive on USB) which works fine. I don't want to buy big server, or to use regular computer for that. It's not cheap. I thought about a small case (ITX?), and cheap computer in this with SATA ports, but I cannot find anything interesting :( I thought about NAS in network and server independently and booting server from NAS, I'm not sure which technologies will be good for that, and I don't know what with performance. Direct connection to NAS through network from workstation is next pro for that. What do you think about DAS? It will be good for that?

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• Chargeback and showback...both a 'throw back'

  - by llaszews

  Been getting asked again by customers and partners about chargeback and showback in the cloud so thought I would blog on my response to this question. Charge Back background, information and industry analysis: Cloud computing is all about shared resources. These shared resources are computer servers (including memory and CPU), network devices, hard disk storage, database servers, application servers, cooling, floor space, electricity and more. These resources are shared by departments within a company, or by a number of companies, when resources are hosted in the public or hybrid cloud. Currently, hosting providers that run other companies on their cloud platforms do not have an accurate way to measure the shared computing resources used by a specific user let alone used by a specific customer. Additionally, companies running their own cloud data centers, for private or hybrid clouds, have no way of measure and charging back the departments in the company that are using these shared cloud resources. In both cases, the lack of determine shared resource costs and to charge them back to the company, department or user that is using this resources is limited a clear measure of business benefit and impacting company’s ability to measure the Return on Investment (ROI). An IT chargeback system is an accounting strategy that applies the costs of IT services, hardware or software to the business unit in which they are used. This system contrasts with traditional IT accounting models in which a centralized department bears all of the IT costs in an organization and those costs are treated simply as corporate overhead. Showback involves showing the IT costs to a department or customer but not actually charging them for their IT usage. Showback is a gradual method of introducing chargeback into an enterprise. Most companies implement a show back mechanism before a full chargeback system is put in place. Oracle chargeback product: Oracle Enterprise Manager provides tools for defining detailed Chargeback plans spanning different metrics collected for each type of resources as well as defining Cost Centers for grouping costs across multiple developers. Chargeback plans can use not only usage based costs, but also configuration based costs (e.g. version of the platform) or fixed costs (e.g. flat-rate management fee). Chargeback has rich out of the box reports. Trending reports show how charge and resource consumption varies over time, while Summary reports show the breakdown of charges or usage by different dimensions such as Cost Center or Target Type. These reports help consumers in understanding how their charges relate to their consumption and also assist the IT department with budgeting and planning activities. With BI Publisher, the reports can be made available in a variety of formats such as PDF, HTML, Word, Excel or PowerPoint.

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• How to stop Google Buzz from sharing my public Picasa web album?

  - by Nam Gi VU

  When I add a new public album on Picasa, Google Buzz will automatically post it to my friend on Buzz. How can I stop this?

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• Now Instagram lets you record and share 15 seconds video with awesome filters

  - by Gopinath

  Instagram is one of the most popular photo sharing applications and it is very popular for amazing filters that turn an ordinary photo in to an incredible one. Today Instagram extended the filters and sharing options to videos. With the latest version of Instagram application for iOS/Android you can record videos, apply filters and share them. Recording and sharing videos on Instagram is much similar to photos and. You can capture videos up to 15 seconds and there are 13 filters to choose for processing. Wondering why the limit is at 15 seconds? Pundits are saying that TV ads are in general 15 seconds and Instagram is preparing for video ads in near future. Anyways within hours of video sharing features, Instagram is flooded with short videos and the Explore section has very interesting ones to browse through. Just like photos, you can share the captured videos to your Twitter, Facebook and other social stream from Instagram.

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• Which video sharing site allows uploading of mkv files? [closed]

  - by Dave

  Does youtube, veoh, or megavideo allow the user to upload mkv files? If not, is there any site that does? Thanks!

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• What does ActiveDirectory provide above sharing password protected files, which windows has anyway?

  - by Zubair

  I'm quite new to this so I'm trying to figure out the reason for ActiveDirectory existing in the first place.

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• How do I establish the network sharing to my WinXP server network drive from my Mac notebook?

  - by mobibob

  I have been able to connect to my WinXP server's shared drives by using Finder's Command-K to browse the network. Unfortunately, when the server gets rebooted, the connection drops and sometimes I cannot get reconnected. I have specified different protocols (afp / cifs / smb) and different login names (connect as...) with limited success. Once I find the right combination, I am good for a few weeks. Once, it seems as though I had to unshared and shared the drive to get it to work. Unfortunately, it is very frustrating, so I try multiple things at one time, so when I finally get to the success point -- I honestly don't know what worked. I followed Mac help, surfed for instructions, issues, etc., but nothing appears to be consistent. I would love for this thread to be the ultimate answer for all time! Can anyone help me? If my description or question need more detail, please ask away!

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• How to setup firewall to allow internet connection sharing via Wifi USB stick?

  - by hannanaha

  I have a Windows8 computer linked to the internet via an ethernet cable ("Ethernet" network connection). I have attached to it a DLink Wifi USB stick, and I'm trying to share the main PC's internet connection with my Android phone via a local wifi network. I am using the following batch file to set up this network: netsh wlan set hostednetwork mode=allow ssid=MyWifiName key=password keyUsage=persistent netsh wlan start hostednetwork After I run this script, I can see a new network connection appear in "Control Panel\Network and Internet\Network Connections" named "Local Area Connection *12", and I can see "MyWifiName" on the Android phone. The device name for this connection on the PC is "Microsoft Hosted Network Virtual Adapter". I also set up the "Ethernet" connection to share Internet with "Local Area Connection *12". However, the Android phone usually doesn't manage to obtain an IP from the wireless network, and when it does, there still seems to be no connectivity to the internet. When I turn off the Windows Firewall completely, or even just for "Local Area Connection *12", the Android connection is perfect. My questions are: How should I set up the Windows firewall to allow the phone to connect properly? Is there a specific rule I need to add to the Windows firewall advanced settings? [Note: the above method worked great in Windows 7, without any specific tinkering with the firewall]. Is it safe to turn off the firewall specifically for the "Local Area Connection *12" (the wifi connection) if the main Ethernet connection is still protected by the firewall? Thanks in advance.

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• What are secure ways of sharing a server (ssh+LAMP) with friends?

  - by Bran the Blessed

  What is the best way to share a virtual server with friends? More precisely, I have the following assets: A virtual private server (Debian Lenny) with root access for myself, running... SSH apache2 mysql Some unused disk space Some friends in need of hosting The problem I would now like to do the following: Hosting one or several domains per friend My friends should have full access to their domains, including running PHP scripts, for example My friends should not be able to poke around in other directories The security of my server should not be compromised by faulty PHP scripts To clarify: I do trust my friends in the sense that they are not trying to do something evil with their access. I just do not trust the programs they are going to run. So, what are your recommendations for establishing such a scenario? Partial solution I already came up with the following plan: Add chrooted SSH users for my friends Add Apache vhosts per user (point the directories to subdirectories of the homedirectories, i.e. /home/alice/example.com, /home/bob/example.net, etc. But how can I enforce a chroot-like environment for the scripts they are running within these vhosts? Any pointers would be appreciated.

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• Any dangers of sharing /home partition between two distros?

  - by Linux_iOS.rb.cpp.c.lisp.m.sh

  I have a laptop with a 250GB HDD. I have an existing installation of Kubuntu across three partitions (A 20GB one for /, 2GB for swap, and something like 97GB for /home). If I add another partition, use that as / for a Mint 13 install, and then use the existing /home partition as Linux Mint's home folder (different user names), are there any dangers (besides badly done partitioning, and other dumb things like that)?

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• SnagIt

  A feature-laden screen capture tool for easily copying and sharing any image, text, or video

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