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• Cisco 1841 and routing /29 address

  - by Jonathan

  Could someone please explain in general terms how I'd configure a Cisco 1841 (2x ethernet ports) to route a public /29 address block (6 hosts) to my internal network. I wish to give the Cisco router one public IP and then several of my internal Windows servers will receive the other public IP addresses. Other hosts behind the router will access Internet via NAT. I'm a bit confused as I've only ever setup routers/firewalls that had a single public IP address with NAT and port forwarding to internal servers.

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• Safari address bar disappears all the time

  - by doronkatz

  Hi guys, something that annoys me, the address bar on Safari keeps on disappearing when I quit and re-open Safari, on default. In fact, when I open a new tab it does the same. Not sure why it does it, i have tried customising toolbar and adding address bar there again.

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• How to configure three IP address into single server

  - by user1363308

  I have Cisco device for call forwarding and three different system,I want to configure 15 and 16 server IP into 192.168.53.197 means eth0 --> 192.168.53.197 eth1 --> 192.168.16.15 eth2 --> 192.168.16.16 which work i have done with 15 and 16 individual , I will do some work on 197 after configuration eth1 and eth2. Means one system have three IP address but base IP address is 192.168.53.197

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• How do I edit git's history to correct an incorrect email address/name

  - by Chas. Owens

  When I started using git I just did a git init and started calling add and commit. Now I am starting to pay attention and I can see that my commits are showing up as cowens@localmachine, rather than the address I want. It appears as if setting GIT_AUTHOR_EMAIL and GIT_COMMITTER_EMAIL will do what I want, but I still have those old commits with the wrong email address/name. How can I correct the old commits?

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• Outlook: Automatically set from address when replying

  - by mark

  I have a dozen forwarders sending into a gmail account, I have outlook setup using imap but when I reply I don't want it sending from the Gmail address, instead I want it to come from one of the addresses it was forwarded to. I know I can set the from address manually by accessing the email's options when writing a new email, but this is going to be forgotten by the users and they are bound to mess it up, I need a way that I can send as some of the forwarded addresses automatically, any ideas?

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• How to stop my network connection on WinXP using batch command?

  - by carter-boater

  for example, if I want to stop "lan connection 1" in my control pannel, I usually right click it in my control panel and disable it. Now I want to write a script to disable and enable those connections. How can I do it?? Thank you very much

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• how to push a string address to stack with assembly, machine code

  - by Yigit

  Hi all, I am changing minesweeper.exe in order to have an understanding of how code injection works. Simply, I want the minesweeper to show a message box before starting. So, I find a "cave" in the executable and then define the string to show in messagebox and call the messagebox. Additionally of course, I have to change the value at module entry point of the executable and first direct it to my additional code, then continue its own code. So at the cave what I do; "hello starbuck",0 push 0 //arg4 of MessageBoxW function push the address of my string //arg3, must be title push the address of my string //arg2, must be the message push 0 //arg1 call MessageBoxW ... Now since the memory addresses of codes in the executable change everytime it is loaded in the memory, for calling the MessageBoxW function, I give the offset of the address where MessageBoxW is defined in Import Address Table. For instance, if MessageBoxW is defined at address1 in the IAT and the instruction just after call MessageBoxW is at address2 instead of writing call MessageBoxW, I write call address2 - address1. So my question is, how do I do it for pushing the string's address to the stack? For example, if I do these changes via ollydbg, I give the immediate address of "hello starbuck" for pushing and it works. But after reloading the executable or starting it outside of ollydbg, it naturally fails, since the immediate addresses change. Thanks in advance, Yigit.

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• Communicating with all network computers regardless of IP address

  - by Stephen Jennings

  I'm interested in finding a way to enumerate all accessible devices on the local network, regardless of their IP address. For example, in a 192.168.1.X network, if there is a computer with a 10.0.0.X IP address plugged into the network, I want to be able to detect that rogue computer and preferrably communicate with it as well. Both computers will be running this custom software. I realize that's a vague description, and a full solution to the problem would be lengthy, so I'm really looking for help finding the right direction to go in ("Look into using class XYZ and ABC in this manner") rather than a full implementation. The reason I want this is that our company ships imaged computers to thousands of customers, each of which have different network settings (most use the same IP scheme, but a large percentage do not, and most do not have DHCP enabled on their networks). Once the hardware arrives, we have a hard time getting it up on the network, especially if the IP scheme doesn't match, since there is no one technically oriented on-site. Ideally, I want to design some kind of console to be used from their main workstation which looks out on the network, finds all computers running our software, displays their current IP address, and allows you to change the IP. I know it's possible to do this because we sell a couple pieces of custom hardware which have exactly this capability (plug the hardware in anywhere and view it from another computer regardless of IP), but I'm hoping it's possible to do in .NET 2.0, but I'm open to using .NET 3.5 or P/Invoke if I have to.

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• Cannot "add to address book" in thunderbird on mac. Know a workaround?

  - by Arthur

  Runing TB 24.5.0 on Mac 10.8.5. I configure TB so that File-"Use Mac OS X Address Book" is not selected. Can open Address Book and see addresses in "COllected Addresses" & create New contact there. But in TB cannot "add to address book". I click on star to right of email address or ctrl-click correspondent and "add to address book". Nothing happens. But correspondent should be added to (some) address book. This is a major inconvenience because I use the address book to distinguish between junk mail from people who I do not know and good mail from people who I do know. Currently the only way for me to add anybody to the address book is to do so by hand, one at a time in "collected addresses". I welcome any work around that would let me add somebody to an address book with a single click. Thanks

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• How can i allow people in my local network to access the web service in my machine?

  - by user1451704

  I have coded a web service using the Axis 2 framework and I can successfully invoke it using a test client (SoapUI) on the local machine after publishing the application in JBoss 5. I can post to the WS endpoint from the local machine and get the expected response. Now i want to allow other machines to access the web service. i changed the "localhost" to "my own fixed IP" adress at the end point location, and turned firewall off, but impossible to access the WS. Note : windows Xp SP3. Any idea ? Thanks in advance !!

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• SQL SERVER – Sends backups to a Network Folder, FTP Server, Dropbox, Google Drive or Amazon S3

  - by pinaldave

  Let me tell you about one of the most useful SQL tools that every DBA should use – it is SQLBackupAndFTP. I have been using this tool since 2009 – and it is the first program I install on a SQL server. Download a free version, 1 minute configuration and your daily backups are safe in the cloud. In summary, SQLBackupAndFTP Creates SQL Server database and file backups on schedule Compresses and encrypts the backups Sends backups to a network folder, FTP Server, Dropbox, Google Drive or Amazon S3 Sends email notifications of job’s success or failure SQLBackupAndFTP comes in Free and Paid versions (starting from $29) – see version comparison. Free version is fully functional for unlimited ad hoc backups or for scheduled backups of up to two databases – it will be sufficient for many small customers. What has impressed me from the beginning – is that I understood how it works and was able to configure the job from a single form (see Image 1 – Main form above) Connect to you SQL server and select databases to be backed up Click “Add backup destination” to configure where backups should go to (network, FTP Server, Dropbox, Google Drive or Amazon S3) Enter your email to receive email confirmations Set the time to start daily full backups (or go to Settings if you need Differential or  Transaction Log backups on a flexible schedule) Press “Run Now” button to test You can get to this form if you click “Settings” buttons in the “Schedule section”. Select what types of backups and how often you want to run them and you will see the scheduled backups in the “Estimated backup plan” list A detailed tutorial is available on the developer’s website. Along with SQLBackupAndFTP setup gives you the option to install “One-Click SQL Restore” (you can install it stand-alone too) – a basic tool for restoring just Full backups. However basic, you can drag-and-drop on it the zip file created by SQLBackupAndFTP, it unzips the BAK file if necessary, connects to the SQL server on the start, selects the right database, it is smart enough to restart the server to drop open connections if necessary – very handy for developers who need to restore databases often. You may ask why is this tool is better than maintenance tasks available in SQL Server? While maintenance tasks are easy to set up, SQLBackupAndFTP is still way easier and integrates solution for compression, encryption, FTP, cloud storage and email which make it superior to maintenance tasks in every aspect. On a flip side SQLBackupAndFTP is not the fanciest tool to manage backups or check their health. It only works reliably on local SQL Server instances. In other words it has to be installed on the SQL server itself. For remote servers it uses scripting which is less reliable. This limitations is actually inherent in SQL server itself as BACKUP DATABASE command  creates backup not on the client, but on the server itself. This tool is compatible with almost all the known SQL Server versions. It works with SQL Server 2008 (all versions) and many of the previous versions. It is especially useful for SQL Server Express 2005 and SQL Server Express 2008, as they lack built in tools for backup. I strongly recommend this tool to all the DBAs. They must absolutely try it as it is free and does exactly what it promises. You can download your free copy of the tool from here. Please share your experience about using this tool. I am eager to receive your feedback regarding this article. Reference: Pinal Dave (http://blog.SQLAuthority.com)   Filed under: PostADay, SQL, SQL Authority, SQL Backup and Restore, SQL Query, SQL Server, SQL Tips and Tricks, SQL Utility, SQLServer, T SQL, Technology

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• Can't connect to shared folders anymore?

  - by HuskyHuskie

  My home server is running Windows Server 2008 R2. I've had it running for almost a year now without any issues with shared folders. This past week I had an issue with my modem which required it to be power cycled and with that I power cycled my router. After that I haven't been able to connect to my shared network folders. I have no idea why that would even cause an issue as I've power cycled my networking equipment in the past without issues and none of my settings appear to have been lost. I am mapping these drives on my Windows 7 Ultimate machine using "Map Network Drive", from there I enter \\SERVER\Storage as I'm trying to connect to my shared folder named Storage. I receive the following error every time I try mapping the drive: Windows cannot access \\Server\Storage Check the spelling of the name. Otherwise there might be a problem with your network. To try to identify and resolve network problems, click Diagnose. Details: Error code: 0x80070035 The network path was not found. When I click Diagnose I get the following: Problems found file and print sharing resource (SERVER) is online but isn't responding to connection attempts. The remote computer isn't responding to connection on port 445, possibly due to firewall or security policy settings, or because it might be temporarily unavailable. Windows couldn't find any problems with the firewall on your computer. I've tried this from multiple computers with the same issue too. To resolve the problems so far I've tried: Disabling the firewall on SERVER Reinstalling File Services Modifying NetBT\Parameters registry values Adding a custom inbound rule for port 445 Adding port forwarding on my router for port 445 Recreating the shared folders Checking and rechecking the shared folder permissions. Resetting my user account password on the server used to access the shared folder. I'm pulling my hair out with this problem mainly because it came out of nowhere. It was working fine the night before and the next day it just stopped working. Any ideas of what I could try next are much appreciated. It should also be noted that this server is used as a web server too and that functionality still works correctly.

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• Ubuntu: Multiple NICs, one used only for Wake-On-LAN

  - by jcwx86

  This is similar to some other questions, but I have a specific need which is not covered in the other questions. I have an Ubuntu server (11.10) with two NICs. One is built into the motherboard and the other is a PCI express card. I want to have my server connected to the internet via my NAT router and also have it able to wake from suspend using a Magic Packet (henceforth referred to as Wake-On-LAN, WOL). I can't do this with just one of the NICs because each has an issue - the built-in NIC will crash the system if it is placed under heavy load (typically downloading data), whilst the PCI express NIC will crash the system if it is used for WOL. I have spent some time investigating these individual problems, to no avail. My plan is thus: use the built-in NIC solely for WOL, and use the PCI express card for all other network communication except WOL. Since I send the WOL Magic Packet to a specific MAC address, there is no danger of hitting the wrong NIC, but there is a danger of using the built-in NIC for general network access, overloading it and crashing the system. Both NICs are wired to the same LAN with address space 192.168.0.0/24. The built-in ethernet card is set to have interface name eth1 and the PCI express card is eth0 in Ubuntu's udev persistent rules (so they stay the same upon reboot). I have been trying to set this up with the /etc/network/interfaces file. Here is where I am currently: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.0.3 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 gateway 192.168.0.1 auto eth1 iface eth1 inet static address 192.168.0.254 netmask 255.255.255.0 I think by not specifying a gateway for eth1, I prevent it being used for outgoing requests. I don't mind if it can be reached on 192.168.0.254 on the LAN, i.e. via SSH -- it's IP is irrelevant to WOL, which is based on MAC addresses -- I just don't want it to be used to access internet resources. My kernel routing table (from route -n) is Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 My question is this: Is this sufficient for what I want to achieve? My research has thrown up the idea of using static routing to specify that eth1 should only be used for WOL on the local network, but I'm not sure this is necessary. I have been monitoring the activity of the interfaces using iptraf and it seems like eth0 takes the vast majority of the packets, though I am not sure that this will be consistent based on my configuration. Given that if I mess up the configuration, my system will likely crash, it is important to me to have this set up correctly!

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• Wordpress pages address rewrite

  - by kemp

  UPDATE I tried using the internal wordpress rewrite. What I have to do is an address like this: http://example.com/galleria/artist-name sent to the gallery.php page with a variable containing the artist-name. I used these rules as per Wordpress' documentation: // REWRITE RULES (per gallery) {{{ add_filter('rewrite_rules_array','wp_insertMyRewriteRules'); add_filter('query_vars','wp_insertMyRewriteQueryVars'); add_filter('init','flushRules'); // Remember to flush_rules() when adding rules function flushRules(){ global $wp_rewrite; $wp_rewrite->flush_rules(); } // Adding a new rule function wp_insertMyRewriteRules($rules) { $newrules = array(); $newrules['(galleria)/(.*)$'] = 'index.php?pagename=gallery&galleryname=$matches[2]'; return $newrules + $rules; } // Adding the id var so that WP recognizes it function wp_insertMyRewriteQueryVars($vars) { array_push($vars, 'galleryname'); return $vars; } what's weird now is that on my local wordpress test install, that works fine: the gallery page is called and the galleryname variable is passed. On the real site, on the other hand, the initial URL is accepted (as in it doesn't go into a 404) BUT it changes to http://example.com/gallery (I mean it actually changes in the browser's address bar) and the variable is not defined in gallery.php. Any idea what could possibly cause this different behavior? Alternatively, any other way I couldn't think of which could achieve the same effect described in the first three lines is perfectly fine. Old question What I need to do is rewriting this address: (1) http://localhost/wordpress/fake/text-value to (2) http://localhost/wordpress/gallery?somevar=text-value Notes: the remapping must be transparent: the user always has to see address (1) gallery is a permalink to a wordpress page, not a real address I basically need to rewrite the address first (to modify it) and then feed it back to mod rewrite again (to let wordpress parse it its own way). Problems if I simply do RewriteRule ^fake$ http://localhost/wordpress/gallery [L] it works but the address in the browser changes, which is no good, if I do RewriteRule ^fake$ /wordpress/gallery [L] I get a 404. I tried different flags instead of [L] but to no avail. How can I get this to work? EDIT: full .htaccess # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteRule ^fake$ /wordpress/gallery [R] RewriteBase /wordpress/ RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /wordpress/index.php [L] </IfModule> # END WordPress

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• Thanks to .Net Developers Network in Bristol - Hyper-V for Developers slides not available for downl

  - by Liam Westley

  Thanks to the guys at .Net Developers Network (http://www.dotnetdevnet.com) for inviting me down to Bristol to present on Hyper-V for Developers.  There were some great questions and genuine interest, especially surprising for a topic that often has a soporific effect on developers. You can download the original PowerPoint file or the PDF complete with speaker notes from here, http://www.tigernews.co.uk/blog-twickers/dotnetdevnet/HyperV4Devs-PPT.zip http://www.tigernews.co.uk/blog-twickers/dotnetdevnet/HyperV4Devs-PDF.zip I should be back for DDD SouthWest (http://www.dddsouthwest.com).  You can get voting from Monday 29th March 2010, and for a change my proposed topic is not about virtualisation! Finally, apologies to Guy Smith-Ferrier for dragging him away from the Bristol Girl Geek Dinners (http://bristolgirlgeekdinners.com) crew so I could catch my train back to London.

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• How to map network scanner

  - by Andrew Heath

  I have just bought a shiny new Canon MG6250 multifunction printer/scanner and connected it via LAN. Installing the printing side of things was a breeze, however, I cannot work out how to set up scanning. I installed the MG6200 series ScanGear MP driver from Canon's site but when I open GIMP or Simple Scan, they say there is no scanner detected. Using GIMP's 'update scanner list' button to search for the scanner does not find it. How do I tell Ubuntu, GIMP or Simple Scan to look on the network for the scanner? Is there another utility especially for this?

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• Downloads killing internet on my home network

  - by Travis

  I am currently having a problem with my wireless. Whenever I try to download anything it kills the internet for every other application(tabs within the same browser, browsers on other computers on the same network) except the process doing the download. This occurs with everything from downloading updates to iso's. I am not using a torrent. It happens when downloading upgrades, browser downloads, or anything else. This problem does not occur when I use Windows 7 on the same computer and it stops killing the internet for other computers if I turn the download/Ubuntu off. I am using an ASUS G74SX laptop running Ubuntu 12.10 with Gnome 3.6. My wireless card is an Intel Corporation Centrino Wireless-N + WiMAX 6150 (rev 67) Thanks!

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• March Oracle Technology Network Offers

  - by Cassandra Clark

  Happy March!  We are pleased to bring you more new discounts this month.  To get discount codes for the books below please visit the Oracle Technology Network Member Discount Page.  New DiscountsOracle Press - 40% off the following Oracle Press title  - Achieving Extreme Performance with Oracle Exadata Packt Publishing - 20% off print and 40% off ebook formats for the following titles - Oracle GoldenGate 11g Implementerís Guide, John P JeffriesOracle Business Intelligence, Yuli Vasiliev, Oracle Fusion Middleware Patterns, Harish Gaur, Marcus Zirn, et al.Oracle JRockit: The Definitive Guide, Marcus Hirt, Marcus LagergrenExtended offers - see offer page for detailsManning is offering a number of titles for 40% to 42% off with OTN promo codeCRS Press is offering 20% off Secure Java: For Web application Development with OTN promo codePearson is offering 35% and free shipping within the U.S. with OTN promo code on two titles.Apress - 25% pff eBooks purchased on apress.com with OTN promo code.Oracle Store has extended its offer of 15% off Oracle Office Enterprise Edition with OTN promo code.

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• Host And Expose Application to local small network

  - by tartak

  I developed a little application (web application) using JavaEE+MySql. I try to keep some data and .. from time to time to get some reports using my data. My problem is I have to access this application from 4-5 computers in the office. They are connected through a switch. It's a typical small office network, nothing fancy. I need some advice on how to do this. I mean for a small application with no external communication is it mandatory to use an Apache machine? I'd use a simple Tomcat container on the "server machine" (which is my computer, a windows machine) and .. basically .. I would like to permit the access to my colleagues also. I don't have any knowledge about concurrency (I know mysql permits concurrent access) so I would like some configuration tips also.

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• fsockopen() error : Network is unreachable port 43 in php [closed]

  - by hamid

  i've writed some Php code that lookup for domain (whois) but it fails !! this is some of my code : function checkdomain($server,$domain){ global $response; $connection = fsockopen($server,43); fputs($connection, "domain " . $domain . "\r\n"); while(!feof($connection)){ $response .= fgets($connection, 4096); } fclose($connection); } checkdomain("whois.crsnic.net","www.example.com"); the code work on my localhost ( apache,php,mysql, OS - Win XP ) but when i uploaded it to my host (Linux) it failed. and i always see the Below Error/message : Warning: fsockopen() [function.fsockopen]: unable to connect to whois.crsnic.net:43 (Network is unreachable) in /home/hamid0011/public_html/whois/whois.php on line 37 what should i do ? is this my host's problem or whois server ( but it work in localhost ) or my code ? TNX

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• Oracle Technology Network Newsletters Revisited

  - by Justin Kestelyn

  You may find this hard to believe, some analysts content that email newsletters are still among the most preferred methods of "information awareness" by developers today. And in our experience, the numbers back it up: subscriptions to Oracle Technology Network newsletters grow organically by 15% every year, even after you take continual list cleanup into account. At this point, we have honed our newsletter strategy to a fine edge; the choices are now: Oracle's Java Developer Newsletter Oracle's Database Application Developer Newsletter (also suitable for DBAs) Oracle's Architect Community Newsletter Oracle's Solaris Community Newsletter (new!) Oracle's .NET Developer Newsletter All of which you can subscribe to here; sample issues also available. Have a taste, you'll like them!

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• How to Setup Network Link aggregation (802.3ad) on Ubuntu

  - by Sysadmin Geek

  Do you need to pump large amounts of data to a multitude of clients simultaneously, while only using a single IP address? By using “link aggregation” we can join several separate network cards on the system into one humongous NIC. Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Super-Charge GIMP’s Image Editing Capabilities with G’MIC [Cross-Platform] Access and Manage Your Ubuntu One Account in Chrome and Iron Mouse Over YouTube Previews YouTube Videos in Chrome Watch a Machine Get Upgraded from MS-DOS to Windows 7 [Video] Bring the Whole Ubuntu Gang Home to Your Desktop with this Mascots Wallpaper Hack Apart a Highlighter to Create UV-Reactive Flowers [Science]

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• when will google revert back page rank after i cleared network unrechable error

  - by Jayapal Chandran

  For the past one month i was getting network unreachable error. I contacted my web hosting and they said that google bots were blocked if it were causing more traffic. And then they witelisted google bots. Now the errors did not appear but my ranking and search results went down to more than 6 pages or they did not appear at all. Now google is able to read my robots and sitemap. Just yesterday. when will search results and page rank gets to its previous positions? like it were before a month? Most links did not appear in google search result.

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• LAN visibility and network sharing

  - by takeshin

  I have two Ubuntu machines with wifi network cards configured as DHCP interfaces. machine1: inet addr:192.168.168.105 Bcast:192.168.168.255 Mask:255.255.255.0 Gateway: 192.168.168.252 machine2: inet addr:192.168.168.104 Bcast:192.168.168.255 Mask:255.255.255.0 Gateway: 192.168.168.252 They are connected to the router: inet addr: 192.168.168.252 Internet connection from the router is accessible on both of the machines. How to share files between those two? I have already tried few ways (eg. samba), but it looks like the machines are not visible to each other: @machine1$: ping 192.168.168.104 From 192.168.168.105 icmp_seq=1 Destination Host Unreachable What do I need to configure? Apparmor? Firewall?

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• Securely expose WebService from Enterprise Network to Internet Client

  - by hotzen

  Are there any standards (or certified solutions) to expose a (Web-)Service to the internet from a very security-sensitive network (e.g. Banking/Finance)? I am not specifically talking about WS-* or any other transport-layer security á la SSL/TLS, rather about important standards or certifications that must be obeyed. Are there any known products (coming from an SAP-environment) that can provide a "high-security proxy" of some sort to expose specific web-services to the internet? Any buzzwords that a CIO/CTO is aware of about this subject?

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