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• Does a laptop with a GPU also use IGP?

  - by blee

  I have a Thinkpad T60 with dual screen setup: The laptop's LCD: Is normal looking. VGA external monitor: Looks "wavy," but I hooked it up to another computer and it looked fine. Does this imply my GPU is connected to the VGA-out and the built-in LCD is driven by IGP? Is this typically how a laptop with one GPU works? Thanks.

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• What is the best way to keep a folder synchronized with my USB drive?

  - by Ivo Flipse

  I know there is a similar topic on syncing between computers, but I'm looking for an application to run on one computer that will sync a "document/file" folder with a folder on my secondary/external USB drive. What would be the best solution? I know I could use Dropbox & Live Mesh, but they use up bandwith which isn't very good when I drop in a lot of large files. I'm running Windows 7, but I assume any solution for Windows Vista would work just fine.

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• Are Time Machine backups secure?

  - by Leandro Ardissone

  I have my Time Machine backups on an external disk (WD My Passport with no hardware encryption) and I'm worried if the data stored on the disk is safe in case somebody steals it and connect it to any Mac/PC. Does any Mac can browse the Time Machine backups? Or are they encrypted in any way? If no, is there a way to improve security of the backups, should I buy a hardware encryption based HD? Thanks.

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• Cisco IPSec, nat, and port forwarding don't play well together

  - by Alan

  I have two Cisco ADSL modems configured conventionally to nat the inside traffic to the ISP. That works. I have two port forwards on one of them for SMTP and IMAP from the outside to the inside this provides external access to the mail server. This works. The modem doing the port forwarding also terminates PPTP VPN traffic. There are two DNS servers one inside the office which resolves mail to the local address, one outside the office which resolves mail for the rest of the world to the external interface. That all works. I recently added an IPSec VPN between the two modems and that works for every thing EXCEPT connections over the IPSec VPN to the mail server on port 25 or 143 from workstations on the remote lan. It would seem that the modem with the port forwards is confusing traffic from the mail server destined for a machine on the other side of the IPSec VPN for traffic that should go back to a port forward connection. PPTP VPN traffic to the mail server is fine. Is this a scenario anybody is familiar with and are there any suggestions on how to work around it? Many thanks Alan But wait there is more..... This is the strategic parts of the nat config. A route map is used to exclude the lans that are reachable via IPSec tunnels from being Nated. int ethernet0 ip nat inside int dialer1 ip nat outside ip nat inside source route-map nonat interface Dialer1 overload route-map nonat permit 10 match ip address 105 access-list 105 remark *** Traffic to NAT access-list 105 deny ip 192.168.1.0 0.0.0.255 192.168.9.0 0.0.0.255 access-list 105 deny ip 192.168.1.0 0.0.0.255 192.168.48.0 0.0.0.255 access-list 105 permit ip 192.168.1.0 0.0.0.255 any ip nat inside source static tcp 192.168.1.241 25 interface Dialer1 25 ip nat inside source static tcp 192.168.1.241 143 interface Dialer1 143 At the risk of answering my own question, I resolved this outside the Cisco realm. I bound a secondary ip address to mail server 192.168.1.244, changed the port forwards to use it while leaving all the local and IPSec traffic to use 192.168.1.241 and the problem was solved. New port forwards. ip nat inside source static tcp 192.168.1.244 25 interface Dialer1 25 ip nat inside source static tcp 192.168.1.244 143 interface Dialer1 143 Obviously this is a messy solution and being able to fix this in the Cisco would be preferable.

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• BackupPC - why does it use rsync --sender --server ... ?

  - by Jakobud

  I'm in the process of experimenting with BackupPC on a CentOS 5.5 server. I have everything pretty much setup with default values. I tried setting up a basic backup for a host's /www directory. The backup fails with the following errors: full backup started for directory /www Running: /usr/bin/ssh -q -x -l root target /usr/bin/rsync --server --sender --numeric-ids --perms --owner --group -D --links --hard-links --times --block-size=2048 --recursive --ignore-times . /www/ Xfer PIDs are now 30395 Read EOF: Connection reset by peer Tried again: got 0 bytes Done: 0 files, 0 bytes Got fatal error during xfer (Unable to read 4 bytes) Backup aborted (Unable to read 4 bytes) Not saving this as a partial backup since it has fewer files than the prior one (got 0 and 0 files versus 0) First of all, yes I have my ssh keys setup to allow me to ssh to the target server without requiring a password. In the process of troubleshooting, I tried the above ssh command directly from the command line, and it hangs. Looking at the end of the debug messages for SSH I get: debug1: Sending subsystem: /usr/bin/rsync --server --sender --numeric-ids --perms --owner --group -D --links --hard-links --times --block-size=2048 --recursive --ignore-times . /www/ Request for subsystem '/usr/bin/rsync --server --sender --numeric-ids --perms --owner --group -D --links --hard-links --times --block-size=2048 --recursive --ignore-times . /www/' failed on channel 0 Next I started looking at the rsync flags. I did not recognize --server and --sender. Looking at the rsync man pages, sure enough, I don't see anything about --server or --sender in there. What are those in there for? Looking at the BackupPC config I have this: RsyncClientPath = /usr/bin/rsync RsyncClientCmd = $sshPath -q -x -l root $host $rsyncPath $argList+ And for the arguments, I have the following listed: --numeric-ids --perms --owner --group -D --links --hard-links --times --block-size=2048 --recursive Notice there is no --server, --sender or --ignore-times. Why are these things getting added in? Is this part of the problem?

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• is my touchpad dying? Gentoo Linux

  - by Walter White

  Hi all, My touchpad on my laptop appears to be no longer functioning. I typically use an external keyboard and mouse so I didn't notice the problem until I tried to use the touchpad. Even after toggling the on/off switch several times, the touchpad still doesn't work. In the logs, I see something about cannot read byte from synaptics device. I will post the full logs when I am in front of my machine. Thanks, Walter

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• Multiple mouse settings on laptop?

  - by Jonas

  I'm wondering if this is possible. I use a macbook, running windows 7...when I don't have an external mouse connected, I leave the left/right settings of the buttons to the default. But when I plug in a mouse, I change that setting (since I use the mouse left-handed). When I unplug the mouse, I would like it to revert to the "unplugged" setting. Is there a way to get windows to remember mouse settings based on which device it's using?

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• OpenWRT based gateway with dnsmasq and internal server with bind

  - by Peter

  I have router based on OpenWRT which has dnsmasq 2.59. Inside my local area network I have a NS server bind. This server has internal and external views for a couple of my domains. My router forwards port 53 TCP and UDP from outside IP (router WAN) to this server. For the external clients everything works fine. In order to organize the internal view, I decided to add the exception to /etc/dnsmasq.conf server=/mydomain1.com/192.168.1.1 server=/mydomain2.com/192.168.1.1 server=/mydomain3.com/192.168.1.1 (192.168.1.1 - IP address of the NS server) According to dnsmasq manstrong text: More specific domains take precendence over less specific domains, so: --server=/google.com/1.2.3.4 --server=/www.google.com/2.3.4.5 will send queries for *.google.com to 1.2.3.4, except *www.google.com, which will go to 2.3.4.5 this domain name with all the sub-domains is supposed to be forward to my NS server. Everything works (SOA, NS, MX, CNAME, TXT, SRV etc.) except for A-record: # nslookup -type=a mydomain1.com Server: 192.168.1.100 Address: 192.168.1.100#53 *** Can't find mydomain1.com: No answer 192.168.1.100 - IP address of my router (dnsmasq) However, I can get the answer for the TXT-record query: # nslookup -type=txt mydomain1.com Server: 192.168.1.100 Address: 192.168.1.100#53 mydomain1.com text = "v=spf1 include:mydomain1.com -all" When I just specify the local IP of my NS server (direct access to the server without using dnsmasq) then the results are: # nslookup -type=a mydomain1.com 192.168.1.1 Server: 192.168.1.1 Address: 192.168.1.1#53 Name: mydomain1.com Address: 192.168.1.1 There is a similar situation with the MX-record: C:\>nslookup -type=mx mydomain1.com Server: router.lan Address: 192.168.1.100 mydomain1.com MX preference = 10, mail exchanger = mail.mydomain1.com mydomain1.com nameserver = ns.mydomain1.com mail.mydomain1.com internet address = 192.168.1.1 ns.mydomain1.com internet address = 192.168.1.1 C:\>nslookup -type=a mail.mydomain1.com Server: router.lan Address: 192.168.1.100 *** No address (A) records available for mail.mydomain1.com This is a dig result: # dig +nocmd mydomain1.com any +multiline +noall +answer mydomain1.com. 86400 IN SOA ns.mydomain1.com. hostmaster.mydomain1.com. ( 121204007 ; serial 28800 ; refresh (8 hours) 7200 ; retry (2 hours) 604800 ; expire (1 week) 3600 ; minimum (1 hour) ) mydomain1.com. 86400 IN NS ns.mydomain1.com. mydomain1.com. 86400 IN A 192.168.1.1 mydomain1.com. 604800 IN MX 10 mail.mydomain1.com. mydomain1.com. 3600 IN TXT "v=spf1 include:mydomain1.com -all" When I try to ping: # ping mydomain1.com ping: cannot resolve mydomain1.com: Unknown host Is it a bug of dnsmasq 2.59? How to manage this problem?

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• Accessing webserver behind cheap router

  - by malfist

  I have a trendNET wireless/wired router, and inside the LAN I have a webserver on 192.168.10.103:80. Does anyone know how I can access the webserver from outside the LAN? I setup a "VirtualSever" to portforward publicIP:8080 to 192.168.10.103:80, but it never loads. Port scanning the external IP shows the port as "filtered" on the router, and from the inside, it shows 192.168.10.103:80 as open. Does anyone know how I can make this work?

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• What's the best way to migrate SELECT applications and data from an old Mac to a one?

  - by jaydles

  I know I can make an easy transfer of everything using time machine, but I'm trying to transfer the minimum necessary to the new computer (applications I currently use, Aperture database, etc.) in order to keep the new machine as clean as possible, and avoid starting out with any legacy problems with permissions, etc. Clearly, I can copy individual apps and databases to an external drive and then install them on the new machine, but I'm trying to find an easier way.

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• bash script with permanent ssh connection

  - by samuelf

  I use a bash script which runs /usr/bin/ssh -f -N -T -L8888:127.0.0.1:3306 [email protected] However, when I run the bash script, it waits.. I see the connection coming up but the script doesn't exit.. it's like it's waiting for the SSH process to finish, because when I manually kill it the bash script finishes as well. Any ideas how to resolve this? UPDATE: I have croned this script.. and the cron process is the one that becomes a zombie.. the actual scripts runs just fine, sorry about that, with ps -auxf I get: root 597 0.0 0.7 2372 912 ? Ss Jul12 0:00 cron root 2595 0.0 0.8 2552 1064 ? S 02:09 0:00 \_ CRON 1001 2597 0.0 0.0 0 0 ? Zs 02:09 0:00 \_ [sh] <defunct> 1001 2603 0.0 0.0 0 0 ? Z 02:09 0:00 \_ [cron] <defunct> and when I kill the ssh the defuncts disappear.. why would they become defunct?

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• Why is Wifi data transfer is slow?

  - by Ali Azam Rana

  I have a wifi router which was attached with my modem, and the pc was connected to the wifi router through an ethernet cable. Yesterday I moved my modem and router to another room and connected my PC with wifi through an external wifi usb dongle (tp-link tl-w722n). I noticed that the file transfer speed from my cell to PC via wifi is greatly affected. I am not clear why is this happening because although PC is now connected through wifi but the dongle supports more than 54Mbps which is still enough.

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• zimbra server server not sync with ldap server

  - by shreedhar.bh

  Please help me out I am intermediate on linux, 1) I do have zimbra mail server on ubuntu with ladap server and external openldap server in internal location 2) last weak we got renewed the SSL certificate on Zimbra server 3) after renewed the SSL certificate with 10 years in Zimber server its not able to sync the ladap details with internal OpenLdap server Please help me to fix this issue In advance thanks Regards Shreedhar.BH

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• Error - "IR Hardware not detected" - but it's installed/working

  - by Robert

  I am trying to do: Settings-TV-Set up TV signal. During this process I am getting the error "IR Hardware not detected." With the remote, I can select the "try again" button (to re-detect) and it tries again, so the remote works. Plugging in the "IR blaster" doesn't change anything. (I wouldn't expect any difference, but I read a post which said you needed that. I will get Media Center to change channels if I can get that working - but first things first.) I was able to do the setup months ago when I had cable. and everything was fine. I just got DirecTV. (BTW - During the above process, Media Center detects the signal coming in on channel 3. Windows XP Media Center SP3. The TV Tuner card is a Pinnacle TCTV HD PCI. Everything - and I mean everything - has the latest firmware and drivers - as of 4 months ago when I fixed a different problem. So I DON"T WANT TO HEAR the standard answer to check drivers/firmware. THANK YOU.) Thanks for any help.

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• Migrateing to Windows Server 2008 R2 Domain Controllers - a few Questions/Issues

  - by Chris

  Ok so here's our setup: We have 2 Windows2k3 Domain Controllers. I am trying to replace them with Windows 2008 R2. The Win2k3 servers are DC01 and DC02. The Windows2k8 servers are DC1 and DC2. I prepared the Windows Server 2003 Forest Schema for a Domain Controller That Runs Windows Server 2008 or Windows Server 2008 R2. Then with both of the new servers up as member servers I dcpromo'd DC1 using the advanced option and added it successfully to my exisiting domain. Roles are GC, DNS and Active Directory Domain Services.I transferred The PDC, RID pool manager and Infrastructure master FSMO to the new DC.(DC1) The Schema master and Domain naming master are still on the old DC (DC01). The first issue I'm encountering is when i dcpromo the second DC (DC2) and select "Replicate data over the network from and existing domain controller" I select the new DC to replicate from (DC1) I get the following error: "Failed to identify the requested replica partner (dc1.xxx.org) as a valid domain controller with a machine account for (DC2$). This is likely due to either the machine account not being replicated to this domain controller because of replication latency or the domain controller not advertising the Active Directory Domain Services. Please consider retrying the operation with \dc01.xxx.org as the replica partner. "The server is unwilling to process the request." Is this because the Schema master and Domain naming master roles are still on the old DC (DC01)? And if so, if I transfer Schema master and Domain naming master roles to DC1 what is the risk or breaking my AD? I'm a little paranoid because this process HAS to be transparent. ANY down time or interruption will result in me getting a verbal ass kicking from my I.T. Director. Both of the new servers DNS point the the old DNS servers (DC01 and DC02) not themselves by the way. Thanks in Advance -Chris

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• Pre-startup segmentation fault with ptrace

  - by sfink

  I have somehow managed to mangle my computer so that any time I attempt to use something that uses ptrace to trace another process (eg strace, gdb), I get an immediate segmentation fault. For example: # strace /bin/true execve("/bin/true", ["/bin/true"], [/* 27 vars */]) = 0 --- SIGSEGV (Segmentation fault) @ 0 (0) --- +++ killed by SIGSEGV +++ or with gdb: # gdb /bin/true GNU gdb Fedora (6.8-27.el5) Copyright (C) 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu"... (no debugging symbols found) (gdb) run Starting program: /bin/true Program terminated with signal SIGSEGV, Segmentation fault. The program no longer exists. You can't do that without a process to debug. rpm -V comes up clean on strace, gdb, and glibc. I do not have any LD_* variables set, and PATH has nothing special in it.

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• NTFS partition size not recognized after disaster recovery clone

  - by djechelon

  I'm in the middle of a disaster recovery of a 250GB hard disk that was "clicking". Obviously I didn't have a backup copy. I managed to salvage all the files thanks to GParted Live that was able to read the disk without a single "click" sound. So I cloned the partition to a new drive sized 500GB. Unfortunately, GParted process went to some kind of infinite loop, disks stopped I/O and after a couple of hours I interrupted the clone process I started. Now the problem is: when cloning the partition I also chose to expand 250GB to the whole 500GB of the target disk. Windows sees the partition sized 500GB in computer management, but Windows Explorer only sees 250. chkdsk e: /f says the filesystem is OK. How can I repair the file system and let Windows see the full 500GB of the new partition? An alternate idea is to deep-copy the files from the backup disk to a newly formatted disk. This should definitely fix. Any other ideas?

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• Remembering window's location and desktops on Mac OS X

  - by Daniel Cukier

  When I use my Mac, I like have a standard windows organization to do my Work: I put 4 consoles opened side by side on console 1 I put Safari in other Mail and iCal in another TextMate on other etc And depending on the work I do, I'd like to have different window configuration. And when I have a external monitor connected, I need another configuration. Is there any tool to make this? What is the best way to do it?

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• CPU-adaptive compression

  - by liori

  Hello, Let assume I need to send some data from one computer to another, over a pretty fast network... for example standard 100Mbit connection (~10MB/s). My disk drives are standard HDD, so their speed is somewhere between 30MB/s and 100MB/s. So I guess that compressing the data on the fly could help. But... I don't want to be limited by CPU. If I choose an algorithm that is intensive on CPU, the transfer will actually go slower than without compression. This is difficult with compressors like GZIP and BZIP2 because you usually set the compression strength once for the whole transfer, and my data streams are sometimes easy, sometimes hard to compress--this makes the process suboptimal because sometimes I do not use full CPU, and sometimes the bandwidth is underutilized. Is there a compression program that would adapt to current CPU/bandwidth and hit the sweet spot so that the transfer will be optimal? Ideally for Linux, but I am still curious about all solutions. I'd love to see something compatible with GZIP/BZIP2 decompressors, but this is not necessary. So I'd like to optimize total transfer time, not simply amount of bytes to send. Also I don't need real time decompression... real time compression is enough. The destination host can process the data later in its spare time. I know this doesn't change much (compression is usually much more CPU-intensive than decompression), but if there's a solution that could use this fact, all the better. Each time I am transferring different data, and I really want to make these one-time transfers as quick as possible. So I won't benefit from getting multiple transfers faster due to stronger compression. Thanks,

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• DMZ and LAN on the same Windows Storage Server 2008 R2

  - by Sergei

  We are moving from EMC Celerra NS20 to Windows Storage Server 2008 R2. I would like to use deduplication feature in WSS (Single Instance Storage) for hosting data for our external FTP server.The idea is to use NFS server on WSS as datastore for Linux FTP server located in DMZ and CIFS services for servers in LAN. Using Celerra fileserver I was able to create multiple instances of fileservers with multiple virtual interfaces and separate filesystems so all data and networks would be separated. Would it be possible to do something similiar on WSS?

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• Why does notepad crash on desktop files in the save-as dialog?

  - by deepc

  Here's a puzzling problem - maybe somebody has an idea. Right now I am out of ideas. On Win7 64bit, the following crashes Notepad: On Desktop, right click, select "New | Text Document". This creates "New Text Document.txt". Right click on that file, select "Edit". This opens notepad with the empty file. Select "File | Save as": Notepad crashes and Win7 reports that "Notepad has stopped working". Now, move the file to c:\temp and repeat steps 2 and 3: no crash this time and the save-as dialog appears normally. I can create similar steps for the "open" dialog. Things I have tried: Safe mode - does not work, same problem Create a new user and try again logged in as that user - no crash Name file differently, or create elsewhere and then move to desktop - same problem Use Wordpad instead - same problem Review shell extensions with ShellExView - nothing extraordinary here Stare at the event log entries for each of the crashes. Does not enlighten me. At time of crash look at the process explorer stack view. Hangs at a function "TaskDialog". sfc.exe /scannow repaired some files but the problem persists. This is how the event log entries look like: Log Name: Application Source: Application Error Date: 14.12.2010 00:33:48 Event ID: 1000 Task Category: (100) Level: Error Keywords: Classic User: N/A Description: Faulting application name: NOTEPAD.EXE, version: 6.1.7600.16385, time stamp: 0x4a5bc9b3 Faulting module name: COMCTL32.dll, version: 6.10.7600.16661, time stamp: 0x4c6f6e4b Exception code: 0xc000041d Fault offset: 0x00000000000db770 Faulting process id: 0x198 Faulting application start time: 0x01cb9b1e140ab92a Faulting application path: C:\Windows\system32\NOTEPAD.EXE Faulting module path: C:\Windows\WinSxS\amd64_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7600.16661_none_fa62ad231704eab7\COMCTL32.dll What else should I try, short of dumping my user and starting over with a new profile? Thanks...

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• How to recover the plesk database?

  - by Kau-Boy

  When I try to launch the Plesk administration page of you server I get the following error: ERROR: PleskMainDBException MySQL query failed: MySQL server has gone away The MySQL Server is working well. Although it seems that the plesk database is somehow corrupt and any action on this database results in a restart of the mysql process, so even queries to other databases on the same MySQL server will be lost. If I try to connect to the plesk database using phpMyAdmin, I can only see the number of tables, the database had originally. But I am not able to open the tables listing. As soon as I try it, the mysql process crashes again. Trying to connect to the database using ssh works. I can even run a SELECT statement against any table an get a result. I don't know if it is an plesk error or an error of the psa database or even the MySQL server. Can you give me any tips on how to recover the plesk system. Should I try to repair the Plesk installation before. And if so, how can I do it and will all my settings get lost doing it? EDIT: Trying to dump the database, I get the following error: mysqldump: Got error: 2013: Lost connection to MySQL server during query when using LOCK TABLES

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• How to recycle/reuse/continue Time Machine for a new Mac?

  - by bmargulies

  I have been backing up a MacBook Pro to an external hard disk with Time Machine. I got a new laptop, used the firewire connector to pull the universe across to it, and started it up. It does not want to just pick up where I left off with the backups; it wants to start a new backup sequence and thus I need a ton of additional disk space. Does anyone know a way to force it to just incrementally back up to the existing backup set?

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• Automating Acrobat & PDF Portfolios

  - by Sean D

  Is there a way to automate the creation PDF Portfolios in Acrobat 9? Such as, command line switches or external applications?

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• computer build for extreme tabbed browsing

  - by David Berger

  I'm interested in building or buying a task-specific computer for my brother. His requirements are ridiculously simple: the machine has to be able to wait in hundreds of web-based virtual waiting rooms at once and not crash. To be competitive, he needs to be able to enter the waiting rooms an dauto-refresh them faster. My question is, what priority do I give the different specs? My initial surmise is this: Connection speed (nothing to do with my build, but I kind of think this will be more beneficial than anything I build for him) Memory size -- I don't usually see firefox taking up more than a gig, even when heavily tabbed, but I think one gig for the operating system and two gigs for the browser are necessary. Processor speed -- I think the processor will affect performance, but even something out of date will do what he needs Memory speed/RAM bus -- I doubt this will matter much, but it seems just on this side of irrelevant. Everything else is a non-issue for him. Does this seem to stack up correctly? Also, since he's looking to stay on the cheaper side, and I might end up recommending a refurb to him, is there anything particularly egregious that Vista would do if it came pre-installed? If I build it myself, I'll give him linux, but if I have it shipped to him, I'm not sure I could walk him through the install process for linux, but I probably could walk him through the process to upgrade to Windows 7, if it were somehow worth it.

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