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  • What are the IR codes the new Apple Remote (alu) uses?

    - by index
    I would like to clone the new Apple Remote (infrared, second generation, aluminium) just for fun with a microcontroller. Most codes of the previous model can be found in the LIRC remote control database (all except the key combinations menu + <<,play, which unpair, change ID, pair the remote. I also don't know which bit encodes the battery status. It uses a modified 32 bit NEC protocol (reverse LIRC codes bytewise). But the new Apple remote uses two additional codes for the play and the new select button. I don't have a mac, so I can't brute force test codes either ;-) So if someone possesses such a remote and the ability of recording those two new buttons and three combinations I'd really appreciate it. If you can't run LIRC (or it gets confused by the new codes) and you don't have an oscilloscope or logic analyser, maybe you could hook up a photo diode to your sound input and record the codes with Audacity? Just hit record, hit each button and combo a few times, hit stop, upload the uncompressed WAV file to a sharing site, done. That'd be great!

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  • Connecting to unsecured wireless network

    - by Sanchez
    I would like to know what information is public and can be intercepted in a non-open, but unsecured wireless network. Moreover, is there anything I can do to make it more "secure", other than using https connection whenever possible. In more details, I recently discovered (with surprise) that the wireless network in my school is actually unsecured. Although not everyone can connect to it (you need a student ID), I am told that certain softwares like Wireshark would be able to intercept the data. Since I have been using the network for all private purposes (email, facebook etc), I do feel quite insecure now and would like to understand the situation a bit better. I installed Wireshark and tried to play with it but all I can see are something alien to me. In any case, all I see seems to come directly/indirectly from my IP address, and I have long thought that usually different computers in the same wireless network would be assigned different addresses. Am I wrong? If not, then I feel very confused about what information is actually being captured (potentially by other users in the network, since I don't think I could capture activities of others in the same network anyway), and whether it's safe to use the network at all. (Gambling on others in the same network showing good behaviour is apparently not an option.) Thank you.

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  • Mac updated just now, postgres now broken

    - by user52224
    I run postgres 9.1 / ruby 1.9.2 / rails 3.1.0 on a maxbook air for local dev. It's all been running smoothly for months, (though this is the first time I've done development on a mac.) It's a macbook air from last year, and today I got the mac osx software update message as I have a few times before, and my system downloaded approx 450mb of updates and restarted. It now says it's on OSX 10.7.3. Point is, postgres has stopped working, when I start my thin server (mirror heroku cedar) as normal, and then browse to my rails app I get: PG::Error could not connect to server: Permission denied Is the server running locally and accepting connections on Unix domain socket "/var/pgsql_socket/.s.PGSQL.5432"? What happened? After browsing around a few questions I'm still confused, but here's some extra info: Running psql from command line gives same error I can run pgadmin 3 and connect via it and run SQL no problems Running which psql shows the version as /usr/bin/psql I created a PostgreSQL user back when I got the mac (it's always been on lion) I've no idea why, almost certainly I was following a tutorial which I neglected to store in my notes. Point is I am aware there is a _postgres user as well. I know it's rubbish, but apart from a note on passwords, I don't have any extra info on how I configured postgres - though the obvious implication is that I did not use the _postgres user. Anyone have suggestions or information on what might have changed / what I can try to debug and fix? Thanks. Edit: Playing around based on this question and answer: http://stackoverflow.com/questions/7975414/check-status-of-postgresql-server-mac-os-x, see this string of commands: $ sudo su postgreSQL bash-3.2$ /Library/PostgreSQL/9.1/bin/pg_ctl start -D /Library/PostgreSQL/9.1/data pg_ctl: another server might be running; trying to start server anyway server starting bash-3.2$ 2012-04-08 19:03:39 GMT FATAL: lock file "postmaster.pid" already exists 2012-04-08 19:03:39 GMT HINT: Is another postmaster (PID 68) running in data directory "/Library/PostgreSQL/9.1/data"? bash-3.2$ exit

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  • Setting up VPN with Snow Leopard Server and Linksys router

    - by SueP
    I'd like to get VPN going so I can log in to the office securely from home. I'm using Snow Leopard machines everywhere, and currently have Airport Extremes set up at home and at the office. I have a mac mini with Snow Leopard Server that I'm going to move to the office to act as my server. I just bought a Linksys 4-port router because it says it does VPN (model RVS4000). My problem is, I don't have a clue how to set this thing up, and the more reading I do, the more confused I get. Do I need two of these routers, one at each end? My laptop and iPad claim they can do VPN, so I was assuming I only needed one VPN router? At this point, I literally don't know what questions to ask, or where to plug this thing in. Presumably, between the modem and the airport, but...? If somebody can walk me thru some really basic setup, I'd be very grateful. Right now, I feel like going outside and screaming for a while. But that might attract the local cougar, and after the prints I saw on the arena this afternoon, I don't want to draw its attention. :-)

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  • "Error 53" with local LAN machines after VPN session on server

    - by tim11g
    I have a Windows 2000 server with a Windows 7 client that occasionally gets "error 53" when accessing the server by name (net view \\server). It still works by IP address (net view \\192.168.0.1). The server's primary IP address (as shown in "routing and remote access" as "Gigabit Ethernet" is 192.168.0.1. There is also a secondary IP address shown as "Internal" which is 192.168.0.50 The server also supports VPN. When a VPN user connects, it gets an address in the range of 192.168.0.51 to .59. Normally (when there is no error), when the local LAN client runs "ping server", it resolves to 192.168.0.1. When the Error 53 problem happens, "ping server" resolves to 192.168.0.50. This problem seems to be related to when a user connects or has recently connected to the server VPN. Is there some connection between the VPN services on the server and the DNS services on the server that could cause a local LAN client to become confused about which IP address to use for the server? Or is there a misconfiguration in the VPN or DNS?

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  • MAMP Pro virtual hosts on Mountain Lion not being recognized

    - by user135242
    I'm running MAMP PRO 2.1.1 on OSX 10.8.1 and not having any luck getting Apache to recognize any hosts that have been set up in MAMP besides localhost. This only happens when trying to use port 80. When I switch to port 8888 everything runs fine. Mountain Lion's Apache has been disabled and I get no errors or warnings when starting MAMP and the servers. Any doc root I set for "localhost" runs without problem. Any other server name I define, however, results in "cannot connect" when viewing in Chrome (not to be confused with "cannot find" - the browser is in fact following /etc/hosts to 127.0.0.1, but MAMP's Apache is simply not responding) I was wondering if anyone else has run into this issue or knows how to solve it. I'm working on some WordPress development and it keeps wanting to redirect to the base URL (with no port reference) even during setup. I'm sure I could fix things from the WP side but I'd rather figure out what the root issue is with MAMP. Thanks in advance for any insight you can provide.

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  • FreeNAS pool configuration - RAID1 + other drives

    - by trnelson
    Simple questions, really. I found this answer with a similar setup, but not sure it answers my question. If it does, I'm curious why since the answer seems a bit unsure: ZFS Hard Drive Configuration in FreeNAS I'm building a server which will be used primarily for backup, plus some media streaming, possibly with Plex. I seem to understand most everything I need, but I'm still a bit confused on how pools work, and how to configure them for my scenario. I will have 2x 2TB WD Red drives, which I plan on using in a mirrored set up (RAID1). This would be for backup, and I'd also like to do offsite backup to my CrashPlan account from this array. I also have a few other drives: 1.5TB, 320GB, 250GB. I'm not sure exactly what to do with them yet, but looking for options. FreeNAS OS will be running from a 16GB USB Flash drive. Would it be wise to use the 1.5TB as a backup-backup, essentially as a mirror or perhaps for snapshots of the 2TB RAID1? I'm still learning about snapshots. Should the 2TB mirrored drives be in their own pool? Should the other drives be set up in their own pools as well, or should they be JBOD in a single pool? They may or may not get much use since the 2TB array is plenty for me. Does a dataset basically mimic the idea of a partition or a network share? In other words, I would map \SERVER\Share to X: on my laptop? Let's say I wanted to use the 250GB drive as an encrypted drive to store all of my cat pictures. Would it have to be in its own pool? If I use jails apps, should they go in the backup RAID1, or in another place? Thank you!

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  • The Story of secure user-authentication in squid

    - by Isaac
    once upon a time, there was a beautiful warm virtual-jungle in south america, and a squid server lived there. here is an perceptual image of the network: <the Internet> | | A | B Users <---------> [squid-Server] <---> [LDAP-Server] When the Users request access to the Internet, squid ask their name and passport, authenticate them by LDAP and if ldap approved them, then he granted them. Everyone was happy until some sniffers stole passport in path between users and squid [path A]. This disaster happened because squid used Basic-Authentication method. The people of jungle gathered to solve the problem. Some bunnies offered using NTLM of method. Snakes prefered Digest-Authentication while Kerberos recommended by trees. After all, many solution offered by people of jungle and all was confused! The Lion decided to end the situation. He shouted the rules for solutions: Shall the solution be secure! Shall the solution work for most of browsers and softwares (e.g. download softwares) Shall the solution be simple and do not need other huge subsystem (like Samba server) Shall not the method depend on special domain. (e.g. Active Directory) Then, a very resonable-comprehensive-clever solution offered by a monkey, making him the new king of the jungle! can you guess what was the solution? Tip: The path between squid and LDAP is protected by the lion, so the solution have not to secure it. Note: sorry if the story is boring and messy, but most of it is real! =) /~\/~\/~\ /\~/~\/~\/~\/~\ ((/~\/~\/~\/~\/~\)) (/~\/~\/~\/~\/~\/~\/~\) (//// ~ ~ \\\\) (\\\\( (0) (0) )////) (\\\\( __\-/__ )////) (\\\( /-\ )///) (\\\( (""""") )///) (\\\( \^^^/ )///) (\\\( )///) (\/~\/~\/~\/) ** (\/~\/~\/) *####* | | **** /| | | |\ \\ _/ | | | | \_ _________// Thanks! (,,)(,,)_(,,)(,,)--------'

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  • Datacentre Rack naming convention with flexibility for reassignment of server roles

    - by g18c
    We are just shifting across to a new rack and until now have used names of cartoon characters. This is not going to work anymore, and need a better naming convention. Physically i would like to name the servers by location, and then have an alias as to its actual function/customer, i.e. Physical name LONS1R1SVR1 meaning London, suite 1, rack 1, server 1 Customer Alias Since the servers can be reassigned from time to time, for the above physical server name, i would have an alias as a column in a spreadsheet, that would be set to the customers host-name, i.e. wwww.customerserver1.com Patching For patching, I am looking at labeling up the physically connections, i.e. LON1S1R1SVR1-PWR1 LON1S1R1SVR1-PWR2 LON1S1R1SVR1-ETH0 LON1S1R1SVR1-KVM Ultimately if i am labeling cables, I really want to avoid putting LON1S1R1SQLSVR on any patch cord in case the server gets formatted and changed from a SQL server to a WWW server which would need to relabel all the patch cords also. In addition, throwing in virtual machines, i have got confused very quickly. I appreciated that it may be confusing having a physical host-name and customer alias. Please let me know what you run with and any other standards or best practices that i can follow?

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  • Are SATA II and SATA 3.0 Gbps compatible?

    - by Johnny Maelstrom
    I am trying to check that if I buy a new internal HDD it will work in the NAS I am buying. Currently I'm confused about naming schemes and once that is resolved whether there is compatibility. I will gladly author this question to be more general if there is not already an article helping with the confusion of SATA naming and standards. I see similar, but not identical questions and will accept this as a duplicate if thought as such. The specifications on the eCommerce site for the NAS says, "Controller Interface Type Serial ATA-150", the product home page for the manufacturer says, "Compatible with SATA and SATA II HDD". The specifications on the eCommerce site for the hard drives say, "Interface Type Serial ATA-300", the product home page for the manufacturer says, "Interface SATA 3.0 Gbps" Wikipedia says many things about different naming conventions, the closest being, "SATA II 3.0 Gbit/s, which was colloquially referred to as "SATA 3G" [bps] or "SATA 300" [MB/s] since 1.5 Gbit/s SATA I and 1.5 Gbit/s SATA II were referred to as both "SATA 1.5G" [b/s] or "SATA 150" [MB/s]). Therefore, they will operate with negligible differences between them." Are SATA II and SATA 3.0 Gbps the same? I feel I'm tantalisingly close to getting a definitive answer here before I purchase, but really want to clear up these naming schemes.

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  • How can I setup BluePill to Monitor a Rails App Running via Passenger (mod_rails)

    - by Jim Jeffers
    I recently launched a site running phusion passenger. Unfortunately, the site went down due to a frozen thread. I was able to save the server by doing kill -9 to the specific PID. Still though, I thought passenger was able to manage this automatically. I have a server with 1GB of memory running one rails app with passenger allotted up to 7 instances. However, when I came to discover the site went down I found that passenger had spawned 6 instances with one of them using up over 800mb of memory causing the server to swap. As a result I am hoping to setup something like bluepill on the server but I'm slightly confused as to how you go about doing it. Mainly because bluepill expects to start/stop the processes it's monitoring. However, in our case, passenger already restarts processes for us so we only need to monitor the pids of passengers instances and kill them once they've gotten too large. Has anyone here setup BluePill to monitor a rails app running under phusion's passenger? Any insight would be useful.

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  • secure user-authentication in squid

    - by Isaac
    once upon a time, there was a beautiful warm virtual-jungle in south america, and a squid server lived there. here is an perceptual image of the network: <the Internet> | | A | B Users <---------> [squid-Server] <---> [LDAP-Server] When the Users request access to the Internet, squid ask their name and passport, authenticate them by LDAP and if ldap approved them, then he granted them. Everyone was happy until some sniffers stole passport in path between users and squid [path A]. This disaster happened because squid used Basic-Authentication method. The people of jungle gathered to solve the problem. Some bunnies offered using NTLM of method. Snakes prefered Digest-Authentication while Kerberos recommended by trees. After all, many solution offered by people of jungle and all was confused! The Lion decided to end the situation. He shouted the rules for solutions: Shall the solution be secure! Shall the solution work for most of browsers and softwares (e.g. download softwares) Shall the solution be simple and do not need other huge subsystem (like Samba server) Shall not the method depend on special domain. (e.g. Active Directory) Then, a very resonable-comprehensive-clever solution offered by a monkey, making him the new king of the jungle! can you guess what was the solution? Tip: The path between squid and LDAP is protected by the lion, so the solution have not to secure it. Note: sorry for this boring and messy story! /~\/~\/~\ /\~/~\/~\/~\/~\ ((/~\/~\/~\/~\/~\)) (/~\/~\/~\/~\/~\/~\/~\) (//// ~ ~ \\\\) (\\\\( (0) (0) )////) (\\\\( __\-/__ )////) (\\\( /-\ )///) (\\\( (""""") )///) (\\\( \^^^/ )///) (\\\( )///) (\/~\/~\/~\/) ** (\/~\/~\/) *####* | | **** /| | | |\ \\ _/ | | | | \_ _________// Thanks! (,,)(,,)_(,,)(,,)--------'

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  • Family server setup [closed]

    - by Manny
    Hi all, I really hope some of you can give me some direction. I have setup a linux server at home and through samba I can access files from different computers in my home. I would like to use this server as a file-server for my family (brothers, sisters and parents who all live in their own homes). I really like the way it is set up right now with user and permission controls, but I've read that it is bad idea to open up the samba port to the world. The requirements are simple: 1) it should be easy to access, by using standard web browsers or mounting the drive (shouldn't have to use any VPN setup or use putty etc) 2) should be somewhat secure. We just want to share family pictures instead of putting them on facebook or picasa or other web server, nothing top secret. Here is what I've looked into: 1)Webdav. It seems decent but seems like it windows7 doesn't like it very much, even with digest mode authentication. User controls and permissions are not as flexible as samba (or at least to my knowledge). I really like the user and group permissions in samba, but if I could live with webdav if it worked seamlessly with windows, it should just work shouldn't it? 2) I read somewhere to stay away from ftp as it is outdated and that there are newer and better internet file-server setups? Was that a reference to webdav? I am so confused, please help... Manny

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  • secure user-authentication in squid: The Story

    - by Isaac
    once upon a time, there was a beautiful warm virtual-jungle in south america, and a squid server lived there. here is an perceptual image of the network: <the Internet> | | A | B Users <---------> [squid-Server] <---> [LDAP-Server] When the Users request access to the Internet, squid ask their name and passport, authenticate them by LDAP and if ldap approved them, then he granted them. Everyone was happy until some sniffers stole passport in path between users and squid [path A]. This disaster happened because squid used Basic-Authentication method. The people of jungle gathered to solve the problem. Some bunnies offered using NTLM of method. Snakes prefered Digest-Authentication while Kerberos recommended by trees. After all, many solution offered by people of jungle and all was confused! The Lion decided to end the situation. He shouted the rules for solutions: Shall the solution be secure! Shall the solution work for most of browsers and softwares (e.g. download softwares) Shall the solution be simple and do not need other huge subsystem (like Samba server) Shall not the method depend on special domain. (e.g. Active Directory) Then, a very resonable-comprehensive-clever solution offered by a monkey, making him the new king of the jungle! can you guess what was the solution? Tip: The path between squid and LDAP is protected by the lion, so the solution have not to secure it. Note: sorry for this boring and messy story! /~\/~\/~\ /\~/~\/~\/~\/~\ ((/~\/~\/~\/~\/~\)) (/~\/~\/~\/~\/~\/~\/~\) (//// ~ ~ \\\\) (\\\\( (0) (0) )////) (\\\\( __\-/__ )////) (\\\( /-\ )///) (\\\( (""""") )///) (\\\( \^^^/ )///) (\\\( )///) (\/~\/~\/~\/) ** (\/~\/~\/) *####* | | **** /| | | |\ \\ _/ | | | | \_ _________// Thanks! (,,)(,,)_(,,)(,,)--------'

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  • How to automate downloading files?

    - by Damon
    I got a book which had a pass to access digital versions of hi-res scans of much of the artwork in the book. Amazing! Unfortunately the presentation of all the these are 177 pages of 8 images each with links to zip files of jpgs. It is extremely tedious to browse, and I would love to be able to get all the files at once rather than sitting and clicking through each one separately. archive_bookname/index.1.htm - archive_bookname/index.177.htm each of those pages have 8 links each to the files linking to files such as <snip>/downloads/_Q6Q9265.jpg.zip, <snip>/downloads/_Q6Q7069.jpg.zip, <snip>/downloads/_Q6Q5354.jpg.zip. that don't quite go in order. I cannot get a directory listing of the parent /downloads/ folder. Also, the file is behind a login-wall, so doing a non-browser tool, might be difficult without knowing how to recreate the session info. I've looked into wget a little but I'm pretty confused and have no idea if it will help me with this. Any advice on how to tackle this? Can wget do this for me automatically?

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  • Wifi antenna extension with F-connector/RG-6(RG-59) cable?

    - by rjz2000
    In an older house, the wire mesh in walls surrounding the furnace behave like a Faraday cage and block wifi signals. It is also difficult to lay new cable, however there is television cable to multiple locations due to there once having been a roof-installed, television antenna. It would be relatively trivial to install the wifi router at the center distribution point, then have the antenna broadcasting/receiving the signal plugged in at each of the old television outlets. I assume that it would not be too difficult to find an adapter for SMA <- F-type connectors. The cable is actually RG-59 rather than RG-6, but I assume that it still has relatively good RF isolation along its length, which is no more than a couple hundred feet in any direction. Does anyone know a problem with the idea? Will a router get confused if there is /too little/ interference between the two antenna? Is that length of cable (~100ft) too long for the signal a router broadcasts? I have seen that it is also possible to use old ~$30/each FiOS cable modems available on eBay to extend a network over television cable. However, that seems like a less elegant solution, and might interfere with upnp and dlna services I'd like to have work on a single network. Thanks if anyone has answers or suggestions before I try this project!

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  • Wifi antenna extension with F-connector/RG-6(RG-59) cable?

    - by rjz2000
    In an older house, the wire mesh in walls surrounding the furnace behave like a Faraday cage and block wifi signals. It is also difficult to lay new cable, however there is television cable to multiple locations due to there once having been a roof-installed, television antenna. It would be relatively trivial to install the wifi router at the center distribution point, then have the antenna broadcasting/receiving the signal plugged in at each of the old television outlets. I assume that it would not be too difficult to find an adapter for SMA <- F-type connectors. The cable is actually RG-59 rather than RG-6, but I assume that it still has relatively good RF isolation along its length, which is no more than a couple hundred feet in any direction. Does anyone know a problem with the idea? Will a router get confused if there is /too little/ interference between the two antenna? Is that length of cable (~100ft) too long for the signal a router broadcasts? I have seen that it is also possible to use old ~$30/each FiOS cable modems available on eBay to extend a network over television cable. However, that seems like a less elegant solution, and might interfere with upnp and dlna services I'd like to have work on a single network. Thanks if anyone has answers or suggestions before I try this project!

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  • Active Directory problems while trying to perfom compare operation

    - by Alex
    I have CentOs 5.5 with Apache 2.2 and SVN installed. Also I have Windows 2003 R2 with Active Directory. I'm trying to authorize users via AD so each user have access to repo if he is a member of corespondent group in AD. Here is my apache config: LoadModule dav_svn_module modules/mod_dav_svn.so LoadModule authz_svn_module modules/mod_authz_svn.so LDAPVerifyServerCert off ServerName svn.mydomain.com DocumentRoot /var/www/svn.mydomain.com/htdocs RewriteEngine On [Location /] AuthType basic AuthBasicProvider ldap AuthzLDAPAuthoritative on AuthLDAPURL ldaps://comp1.mydomain.com:636/DC=mydomain,DC=com?sAMAccountName?sub?(objectClass=*) AuthLDAPBindDN [email protected] AuthLDAPBindPassword binduserpassword [/Location] [Location /repos/test] DAV svn SVNPath /var/svn/repos/test AuthName "SVN repository for test" Require ldap-group CN=test,CN=ProjectGroups,DC=mydomain,DC=com [/Location] When I'm using "Require valid-user" everything goes fine, "Require ldap-user" also works. But as soon as I use "Require ldap-group" authorization fails. Trere are no errors in apache logs, but Active Directory shows folowing error: Event Type: Information Event Source: NTDS LDAP Event Category: LDAP Interface Event ID: 1138 Date: 10/9/2010 Time: 1:28:52 PM User: MYDOMAIN\binduser Computer: COMP1 Description: Internal event: Function ldap_compare entered. Event Type: Error Event Source: NTDS General Event Category: Internal Processing Event ID: 1481 Date: 10/9/2010 Time: 1:28:52 PM User: MYDOMAIN\binduser Computer: COMP1 Description: Internal error: The operation on the object failed. Additional Data Error value: 2 0000208D: NameErr: DSID-031001CD, problem 2001 (NO_OBJECT), data 0, best match of: 'DC=mydomain,DC=com' I'm confused by this problem. What I'm doing wrong?

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  • Family server setup

    - by Manny
    Hi all, I really hope some of you can give me some direction. I have setup a linux server at home and through samba I can access files from different computers in my home. I would like to use this server as a file-server for my family (brothers, sisters and parents who all live in their own homes). I really like the way it is set up right now with user and permission controls, but I've read that it is bad idea to open up the samba port to the world. The requirements are simple: 1) it should be easy to access, by using standard web browsers or mounting the drive (shouldn't have to use any VPN setup or use putty etc) 2) should be somewhat secure. We just want to share family pictures instead of putting them on facebook or picasa or other web server, nothing top secret. Here is what I've looked into: 1)Webdav. It seems decent but seems like it windows7 doesn't like it very much, even with digest mode authentication. User controls and permissions are not as flexible as samba (or at least to my knowledge). I really like the user and group permissions in samba, but if I could live with webdav if it worked seamlessly with windows, it should just work shouldn't it? 2) I read somewhere to stay away from ftp as it is outdated and that there are newer and better internet file-server setups? Was that a reference to webdav? I am so confused, please help... Manny

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  • IP addresses not listed for IIS website bindings

    - by Svinn
    Recently purchased a windows cloud server godaddy. Now i installed iis7 and all other required software. And i have 50.62.1.89 and 2 more public ips. Also i have a private ip 10.1.0.2. Now the problem is am unable to access any website through any public ip. All my public ips are opening default website only. also i cant see pubic ips for IIS website bindings. Only my private ip listed for IIS binding. And in my server also public opening only default website. But am able to open websites using private ip. But my public ip addresses pointed to my server correctly. am able to open my server using remote desktop using public ip. Also as i said already public ip opening default website from IIS without problem. Please help me. Am confused for last 2 days.

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  • Configure linux machine as bridge/switch and end device

    - by leemes
    At my home, I have two desktop PCs in two rooms. The router / DSL modem is in one of these rooms. Now I want to configure a home server (having 2 LAN ports, running 24/7) in the corridor between the two rooms, using only one LAN cable at each door. This gives me the following physical configuration: (door) (door) .----/-/----. .-----/-/----------._ FritzBox | | | .----´´ DSL Router PC1 Server | PC2 As just said, the server has 2 network interfaces and is running Ubuntu. What I need now is a network configuration which enables both the server and PC1 to connect to the router. I think the server needs to serve as a bridge or switch. Currently, all computers are configured having static IP addresses. If I'm understanding it correctly, a bridge / switch doesn't have its own IP address, but as the server needs to be configured as an own end device, it needs to have one. My first question is, do I have to configure both interfaces separately, giving both the same static IP address? My next question is, how do I bridge the two physical networks into one? I have basic understanding (but am always confused again and again) of bridges and switches, but I don't know how to configure it in software. I only know that it's possible to do so :) The third question is: Is it possible to configure this in a way that network packets from/to PC1 to/from the router only go through hardware or only consume low CPU in the server? Can you help me? Thanks in advance!

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  • Upgrading memory in a laptop

    - by ulidtko
    I'm a bit confused about all the memory types and various bus frequencies of modern consumer PCs. Requesting expert help on the subject. So far I'm confident that: I have an Asus X51L laptop with an unknown set of configuration options. The CPU in there supports PAE, so I still have a chance to extend the memory beyond 3GiB; and the upper limit of the system is 8GiB. (?) The laptop has two SODIMM slots, one of which is occupied by a 2GiB bank, and the other one is empty. dmidecode and lshw tools consistently state 533 Mhz frequency of the bank. The last one confuses me the most. I failed to find out characteristics of the northbridge in this laptop, and still can't figure out what DDR2 to seek for. Is it DDR2-1066? Or, rather, PC2-8500/PC2-8600? Wouldn't a DDR2-800 bank harm the system's performance? Which kind of modules should I look up in stores? Update: I have bought a 2 GiB DDR2-800 SODIMM, and it seams that the system can't handle 4 GiB of memory. When installed by itself in either slot, both new and old bank (which btw happens to be marked GDDR2-677) work just perfectly; i.e. any configuration resulting in 2 GiB works. When both banks are installed though (totalling in 4 GiB), the memcheck86 tool produces horrible artifacts and crashes, and system reboots; an Ubuntu system can be started and even logged into a Unity session, but the system reboots too in this case from even a minor RAM load. So it's pretty obvious to me now that this laptop doesn't support 4 GiB of RAM or more.

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  • The suggested way to handle pip(easy_install) with homebrew?

    - by Drake
    I know there are brew-gem and brew-pip but it is still really easy to get confused. Let's say my Mac OS X is 10.7.2. There are at least, as far as I know, 3 locations for Python modules (assume 2.7): /System/Library/Frameworks/Python.framework/Versions/2.7/ /Library/Python/2.7/site-packages /usr/local/lib/python2.7/site-packages/ (controlled within homebrew) For some Python modules, pip install them into 2, the so-called local/customized Python module location, and everything looks and works great. Ex, readline by *easy_install* (ipython suggested me to install readline by *easy_install* instead of pip) For some, it would try to install some miscellaneous files (ex, man, doc, ...) into system-wide location, which requires sudo! Ex, ipython insisted on installing man and doc into /System/Library/Frameworks/Python.framework/Versions/2.7/share/, which violates permission issue and all I can do is to use sudo. For some Python modules installed by brew, they are symbolic linked to /usr/local/lib/python2.7/site-packages/. Everything seems great except that you have to remember to add this location into PYTHONPATH. I am wondering any suggested and uniform way to handle those mass, or any explanation to make those stuff crystal clear.

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  • Proper Outlook Free/Busy status when working from home

    - by rwmnau
    Our office (pretty large - about 200 people) has recently started part-time telecommuting. It's only one day/week now, but it's already raised some questions about availability, so I wanted to see how the users here, some of whom I'm sure telecommute to a corporate job, how they set their out of office status. Outlook has four statuses, and here's what I (and most others?) take them to mean: Free: I'm available for meetings Busy: I'm in a meeting or otherwise occupied, and unavailable Tentative: Shy away from scheduling over, but I'm available if needed Out of office: I'm on vacation and unavailable. However, I don't travel for work - do people tend to use this status to mean they're remote, but available for a phone call/bridge? As we begin to telecommute, I'll be available by phone for meetings, but not in person - any meeting can have a conference bridge, but some meetings just need to be in person. I'd like to send the right message about my status - people can schedule meetings with me on my telecommute days, but they should expect me to be on a conference bridge when they do. What status do people use? Does "Out of Office" correctly reflect that you're working from home, even though I perceive this to mean that somebody is on vacation? Maybe I'm the only one confused here, but as a company that's never before done telecommuting of any kind, I'm in the dark about standard practices. Thanks for the insight! Though this isn't a technical question directly, I'm hoping it's still applicable to the group and constructive - if it's not, please close it and accept my apology.

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  • Strange Behaviour with Unicode Characters in Windows

    - by open_sourse
    Ok, I do not know if this is a programming question, but it certainly is a technical one so I am asking it here. I was working on some internationalization stuff in my PHP code, and in order to ensure that my generated HTML shows up Unicode correctly based on the encoding and stuff I decided to add some Chinese text to my PHP page, which then echoes it into the browser to complete my test case. So I went into google and typed "Chinese", copied the first Chinese text that the search returned (which was ??/??). I then copied it into Notepad++ which is my editor, and to my surprise showed up as boxes similar to [][]/[][]. So I thought the encoding in Notepad++ was messed up and I changed the encoding to UTF-8 and UCS, neither worked. I did it fresh in a newly encoded file, still I got the boxes. The same content when I paste into Google and StackOverFlow (like I did in this posting) shows up correct Chinese! I even opened up Windows Clipboard Viewer and the content is represented in the Clipboard as boxes! I tried pasting it into Windows Explorer address bar and using to rename a file to, but I still get boxes. But it shows up correctly when pasted into my Chrome Browser address bar! Is this a Windows issue? Since I am able to paste it correctly in SO, the data in memory should be encoded correctly right? But if that is the case why does it show up as boxes in the Clipboard Viewer? I am confused here...By the way I am using Windows XP with SP3. (I am asking this question here, even if it is not programmatic, because it is preventing me from running my programming test cases..)

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