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• How do I connect to the serial console port os a Sunfire 280R?

  - by DrStalker

  We have a Sunfire 280R (old SPARC/Solaris server) that is refusing to come up after being relocated. We're trying to connect to the serial console port, but all we get is random gibberish on the screen. We've tried both connecting with a DB25DB9 adapter and using a DB-25-RJ45 adapter with a cisco RJ45-DB9 adapter to a windows laptop. We're configuring the laptop to 9600 baud, 8 bit, 1 stop bit, no parity. We've tried both no flow control and Xon/Xoff. We get the same results hooking up to the serial port on a working SPARC server, so it's probably something in our setup rather than a fault with the server. How do we get access to to serial console so we can work out what is stopping this box from getting to the network? Is there a special sun adapter we need to get/make to get the serial link working?

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• Switch user from locked screensaver?

  - by desert69

  I'm having the same problem as this, but the answer from there doesn't work for me. Neither in my iMac upgraded from Lion to Mountain Lion (currently at 10.8), nor from a Mac Mini with Lion Server (10.7.4). I have "Show fast user switching menu as" enabled at "Users & Groups" Login Options, but when I have to login from screensaver, there's no option to switch user. How can I enable such an option? EDIT: I think I forgot to mention that we believe (just guessing) that it has to do with network accounts. We use network accounts here, and have that issue. My boss says he could solve this issue at his house's Mac, which don't use network accounts. Does it make a difference?

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• Is it Possible to Increase Display Resolution for OS X Maverick

  - by Michael

  The new OS X Maverick operating system has reduced maximum display resolution from 1920 x 1200 in Mountain Lion to 1680 x 1050, which is a SIZABLE reduction. The difference is obvious when viewing videos or photos. In addition, the colors are less vibrant. Does anyone know a way to change the display resolution for Maverick, thus restoring Mountain Lion resolution (1920 x 1200)...along with color vibrancy. By the way, I am using a 2012 Macbook Pro, with Matte display, which I think makes matters worse. At 1920 x 1200 my Macbook Pro was excellent...but at 1680 x 1050, it is very pedestrian.

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• How to make playing track in Foobar2000 more noticeable?

  - by cipricus

  The current playing track is signaled only by a very discreet arrow - no bold, no highlight, no different color. The only 'highlighting'happens by selecting tracks. In other players the difference between selected tracks and highlighted/playing tracks is obvious. Are there some settings - I don't mean skins - that would improve this? Edit considering my answer below: maybe that line $if(%isplaying%, ? ? ? ? ? ? ? ?) could be edited to make the track bold or of a certain color?

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• NetFlow Storage Calculator

  - by javano

  I am planning to deploy a NetFlow server (using NfSen/NfDump) for harvesting data from Cisco devices; Are there standard calculations or guidelines I can use to calculate my server requirements, specifically I need to plan for storage. Is there a way of knowing how much data I will collect per day for example, given N flows? Lets say one device has 10k flows per day, this is typically XYZ MBs, so I can scale this up? If not, how many flows are you guys and girls recording per day, and how much data is this generating? Hopefully we can generate an estimate from everyone else's figures! P.S. If it makes a difference, I'll be collecting from <= 50 devices max (non more than 50Mbps each).

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• PostgresQL on Amazon EBS volume, realistic performance, or move to something more lightweight?

  - by Peck

  Hi, I'm working on a little research project, currently running as an instance on ec2, and I'm hoping to figure out whether I'm going down the right path. We, like a thousand other people, are making use of some of twitters streaming feeds to do gather some data to have fun with and my db seems to be having problems keeping up, and queries take what seems to be a very long time. I'm not a DBA by trade, so I'll just dump some info here and add more if need be. System specs: ec2 xl, 15 gigs of ram ebs: 4 100 gb drives, raid 0. The stream we're getting we're looking at around 10k inserts per minute. 3 main tables, with the users we're tracking somewhere in the neighborhood of 26M rows currently. Is this amount of inserts on this hardware too much to ask out of ebs? Should take a look at some things with less overhead like mongodb?

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• Is there any way to make cherokee server portable?

  - by Tom

  I develop on different machines. I use MAMP, I have it installed on my dropbox folder and created symbolic links to the applications folder. That way if I work one day on my desktop and make changes to let's say a database schema and next day I work from my laptop I won't have to do any db migration stuff the same applies for all the apache virtual hosts I have setup using MAMP. Everything is portable. I recently started using Cherokee server and I like it a lot. I would like to replace MAMP with Cherokee but first I need to be able to make it portable. I don't want to have to configure multiple virtual hosts, settings, etc., on multiple machines. Is there any way I can set up Cherokee to be as portable as MAMP? What if I want to run Cherokee from a thumbdrive?

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• What are the quality metrics for RAM?

  - by Hi-Tech KitKat Android

  I have searched RAM and i found there are given some specification for the same capacity RAM, What are the difference and performance comparison between these? Like RAM1 General Brand Transcend Memory Type 2 GB (8 x 128 MB) DDR2 DIMM Memory Standard DDR2-800/PC-6400 Compatible Device PC Pins 240-pin Burst Length 4, 8 Buffered/Unbuffered Unbuffered Memory Memory Clock 400 MHz Technology DDR2 SDRAM Memory CAS Latency 4, 5, 6 RAM 2 General Brand Transcend Memory Type 2 GB (8 x 128 MB) DDR2 DIMM Memory Standard DDR2-667/PC2-5300 Compatible Device PC Pins 240-pin Burst Length 4, 8 Buffered/Unbuffered Unbuffered Memory Memory Clock 333 MHz Technology DDR2 SDRAM Memory CAS Latency 3, 4, 5 RAM3 General Brand Kingston Memory Type 2 GB (64 x 256 MB) 800 MHz DDR2 DIMM Compatible Device PC Pins 240-pin Error Check Non-ECC Buffered/Unbuffered Unbuffered Memory Memory Clock 200 MHz Technology DDR2 SDRAM Memory CAS Latency 6 What are the affect of the following Memory Type(given as 8 x 128 MB) Memory Clock (given in MHz) CAS Latency (given as 4,5,6) my Requirement is 2 GB DDR2 Type Desktop Please help

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• How do http proxies determine https traffic with a single port?

  - by badunk

  If a proxy receives the tcp packet, then the destination ip address and port are that of the proxy. In that case, I imagine the only way a proxy can still resolve the intended destination is either through routing the source ip address/port or through the host field in the http header. Is this correct? In both Fiddler and Charles http proxies, I noticed that the tool accepts both http and https connections through a single port that you can specify. What do these tools do to tell the difference between the two types of connections?

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• inodes and tree-depth in ext2

  - by David Hagan

  I have an ext2 filesystem with a maximum number of inodes per directory (somewhere around 32k), and also a maximum number of inodes in the entire filesystem (somewhere around 350m). Because I'm using this filesystem as a datastore for a service that has in excess of 32k objects, I'm distributing those objects between multiple subdirectories (like a dictionary separates A-K and L-Z). My question is this: Is there any significance to the tree depth when I'm building these inodes? Is there a significant difference or limitation that's going to affect my service if I choose "/usr/www/service/data/a_k/aardvark" over "/data/a_k/aardvark"?

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• CVSNT to CVSNT Migrations

  - by BParker

  Has anybody re-homed a CVSNT installation? I need to take a CVSNT setup on one ageing server and relocate it to a new shiny server, but i don't have a great deal of experience with this software. Does anyone know the basic process for moving an entire repository to a new server? We have 3 base repositories, totaling about 6GB. Size wise it's not too big, but i need to make sure all the history is migrated correctly. I've googled around a bit, but not managed to find any info on this kind of move, everyone seems to prefer to write how-to's on moving to Subversion et al.... The CVSNT server is running on windows if that makes a great deal of difference....

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• SQL server peformance, virtual memory usage

  - by user45641

  Hello, I have a very large DB used mostly for analytics. The performance overall is very sluggish. I just noticed that when running the query below, the amount of virtual memory used greatly exceeds the amount of physical memory available. Currently, physical memory is 10GB (10238 MB) whereas the virtual memory returns significantly more - 8388607 MB. That seems really wrong, but I'm at a bit of a loss on how to proceed. USE [master]; GO select cpu_count , hyperthread_ratio , physical_memory_in_bytes / 1048576 as 'mem_MB' , virtual_memory_in_bytes / 1048576 as 'virtual_mem_MB' , max_workers_count , os_error_mode , os_priority_class from sys.dm_os_sys_info

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• Teredo - how to connect to host behind NAT?

  - by Signum

  All I want to achieve is to establish connection to my simple server (written in C# using TcpListener class, if it makes any difference), on my computer which is behind NAT. It has some IPv6 address (it's public IP, starting with 2001:0) on Teredo interface. However, I cannot even ping it from outside my network, for instance I'm trying to ping this address from this website http://mebsd.com/ipv6-ping-and-traceroute, result - 100% packet loss. As I understood from reading about Teredo, there is no need for some port forwarding? So where could be the problem?

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• Group policy preventing XenApp from creating start menu menus

  - by JohnyV

  I have a citrix Xenapp server that has some apps installed. The are placed in a folder and set to populate the start menu. The problem is when I log on with a user from a particular OU I am unable to get the start menu inserted from xenapp. It is quite a restrictive group policy but does anyone know the setting for preventing users from modifying the start menu. I have tried "Prevent changes to Taskbar and Start Menu Settings" but this didnt work. Any ideas would be great. I know it isnt permissions because I have another user that has the same permissions assigned to them, the only difference is that one user gets the restrictive group policy and the other doesnt. Thanks

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• Correct password for ssh key rejected when ssh-d into machine

  - by user20342

  When I am logged into my machine directly, I can do all git operations, and when prompted for a password, the password is accepted. When I ssh into the same box and run git operations on the same repos, the password is rejected. Relevant section of .ssh/config looks like this: # Generic settings Host * ServerAliveInterval 600 ControlPath /tmp/ssh-%r@%h:%p ControlMaster auto KeepAlive yes IdentityFile ~/.ssh/id_rsa.pub Transaction looks like this when I login when I ssh into my box: {12-12-03 9:41}hbrown-wks2:~/workspace/spt/project@master??? hbrown% git pull Enter passphrase for key '/home/hbrown/.ssh/id_rsa.pub': Enter passphrase for key '/home/hbrown/.ssh/id_rsa.pub': Enter passphrase for key '/home/hbrown/.ssh/id_rsa.pub': Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists. Using bash does not appear to make a difference (i.e. ssh-agent /bin/bash). This is a recent development, but I can't cite the change that caused it.

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• What port does OpenLink ODBC Driver use?

  - by user36737

  I use Avaya Reporting Services and OpenLink ODBC Drivers for db connection. I know that it uses port 5000 for handshaking but after that I believe it uses an random port for communication. I want to deploy my application and it will communicate with the client's system in their datacenter. They are asking what ports should they open on their firewalls. I can't obviously give them a range above 50,000 that I know OpenLink ODBC Drivers use. Can someone tell me what port should I tell my client to open?

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• Software: Launching League of Legends spectator mode from Command Line (Mac)

  - by Alex Popov

  Background: tl;dr at the end League of Legends has a spectator mode, in which you can watch someone else's game (essentially a replay) with a 3 minute delay. Popular LoL website OP.GG has figured out a clever way of hosting these spectator games on their own servers, thereby making them replayable, as opposed to only being available while the game is on (as Riot does it). If you request a replay from OP.GG, it sends a batch file which looks for where the League is situated and then the magic happens: @start "" "League of Legends.exe" "8394" "LoLLauncher.exe" "" "spectator fspectate.op.gg:4081 tjJbtRLQ/HMV7HuAxWV0XsXoRB4OmFBr 1391881421 NA1" This works fine on Windows. I'm trying to get it to work on Mac (which has an official client). First I tried running the same command by hand, (split for convenience) /Applications/ ... /LeagueOfLegends.app/ ... /LeagueofLegends 8393 LoLLauncher \ /Applications/ ... /LolClient spectator fspectate.op.gg:4081 tjJbtRLQ/HMV7HuAxWV0XsXoRB4OmFBr 1391881421 NA1 Running this, however, just starts the LoLLauncher, which closes all the active League processes. The exactly same thing happens if I just call /Applications/ ... /LeagueOfLegends.app/ ... /LeagueofLegends Next I tried seeing what actually happens when Spectator mode is initiated so I ran $ ps -axf | grep -i lol which showed UID PID PPID C STIME TTY TIME CMD 503 3085 1 0 Wed02pm ?? 0:00.00 (LolClient) 503 24607 1 0 9:19am ?? 0:00.98 /Applications/League of Legends.app/Contents/LOL/RADS/system/UserKernel.app/Contents/MacOS/UserKernel updateandrun lol_launcher LoLLauncher.app 503 24610 24607 0 9:19am ?? 1:08.76 /Applications/League of Legends.app/Contents/LoL/RADS/projects/lol_launcher/releases/0.0.0.122/deploy/LoLLauncher.app/Contents/MacOS/LoLLauncher 503 24611 24610 0 9:19am ?? 1:23.02 /Applications/League of Legends.app/Contents/LoL/RADS/projects/lol_air_client/releases/0.0.0.127/deploy/bin/LolClient -runtime .\ -nodebug META-INF\AIR\application.xml .\ -- 8393 503 24927 24610 0 9:44am ?? 0:03.37 /Applications/League of Legends.app/Contents/LoL/RADS/solutions/lol_game_client_sln/releases/0.0.0.117/deploy/LeagueOfLegends.app/Contents/MacOS/LeagueofLegends 8394 LoLLauncher /Applications/League of Legends.app/Contents/LoL/RADS/projects/lol_air_client/releases/0.0.0.127/deploy/bin/LolClient spectator 216.133.234.17:8088 Yn1oMX/n3LpXNebibzUa1i3Z+s2HV0ul 1400781241 NA1 Of Interest: there is (LolClient) which I cannot kill by it's PID. UserKernel updateandrun lol_launcher LoLLauncher.app is launched first. LoLLauncher is launched by the UserKernel (as we can see from the PPID) The very long command (PID: 24927) is how Spectator mode is launched, and is also launched by UserKernel. Spectator mode is launched in exactly the same way that the OP.GG .bat wanted to, with the only difference that Spectator mode connects to Riot instead of OP.GG's spectate server. I tried attaching GDB to the LolClient, but I couldn't get anything meaningful from it since it's an Adobe AIR application (and I've never used GDB with code other than mine own). Next I ran dtruss -a -b 100m -f -p $PID on everything I could think of: the LolClient, the LolLauncher and the UserKernel and skimmed the half a million lines produced. I found stuff like the GET request used to get the information of the game to spectate, but I could not see any launch of the equivalent of League of Legends.exe with spectator options. Finally, I ran lsof | grep -i lol to see if anything else was opened in the process, but didn't find anything that seemed appropriate. Open were UserKernel, LolLauncher, LolClient, Adobe AIR, LeagueofLegends and then Bugsplat, all of which are expected. None of this seemed especially relevant to figuring out how LeagueofLegends was opened into spectator mode. It obviously can be done, since Spectator mode is accessible from within the client. It seems likely that it can be done from the CLI, since Windows can do it and the clients are supposed to equals. Unless I'm missing something in the difference between how UNIX and Windows handle CLI application launches. My question is if there are any other things I can try to figure out how to launch Spectator mode myself. tl;dr: Trying to get into spectator mode from the CLI. It's possible on Windows (see first code block) but it just restarts League on Mac. What else can I try to find what call is made, and how to reproduce it? PS: Please let me know how I can improve this question or its formatting, I'd love to use StackOverflow/SuperUser, but as the guys said on the podcast this week (Ep. 59) it's very intimidating. Sorry for posting this on StackOverflow the first time :(

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• How to set up Windows server 2008 to receive email?

  - by Saul

  First off apologies, I'm from a medical background not a networking one, but I've got roped into setting up a windows 2008 server. So far web server running, fixed IP address assigned (within a large private network of the National Health Service in the UK if that makes any difference) and the network team have assigned a DNS entry for me which works, so the server can be addressed as nww.myserver.nhs.uk I've only got ports open on the router for 80 and 443 (http and https) at the moment, so presume I need a different port to enable email services. My need is to be able to accept an email to the domain name like [email protected] in order to pick up a confirmation mail from an SSL issuer (Comodo) I guess to confirm that I control the domain. After that I don't actually need mail services on the server. I see lots of stuff about setting up SMTP services but thought that was about mail out and re-routing, but how do you get the server to "listen" for mail to the domain (assuming I open port xyz or whatever it is) ?

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• How can I change my language/keyboard input language system-wide temporarily?

  - by Adam Lynch

  I currently have two languages set up; English and Dutch. The only difference is in keyboard input. The Dutch one uses the French/Belgian AZERTY layout and the English one uses the Irish/English QWERTY layout (@ = Shift+'). When a Belgian colleague needs to use my computer, I switch the language to NL (Dutch) (therefore the input to AZERTY) using the language bar, but it seems to be application-specific. (I.e: After changing the input to AZERTY for my colleague, if he then clicks on another program it switches back to QWERTY for that program). Is there a way I can quickly switch between the two comprehensively yet temporarily?

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• wsgi - narrow user permissions.

  - by Tomasz Wysocki

  I have following Apache configuration and my application is working fine: <VirtualHost *:80> ServerName ig-test.example.com WSGIScriptAlias / /home/ig-test/src/repository/django.wsgi WSGIDaemonProcess ig-test user=ig-test </VirtualHost> But I want to protect my files from other users, so I do: chown ig-test /home/ig-test/ -R chmod og-rwx /home/ig-test/ -R And application stops working: (13)Permission denied: /home/ig-test/.htaccess pcfg_openfile: unable to check htaccess file, ensure it is readable Is it possible to achieve what i'm doing with wsgi? If I have to give read permissions to some files it will be fine. But there are files I have to protect (like file with DB configuration or business logic of application).

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• DSL vs Cable latency

  - by tovmeod

  currently I have a 10Mbps DSL line and I'm thinking to switch to a cable since they got 100Mbps for a little less than double the price I'm paying for 10Mbps. In other words the cable company is offering 100Mbps for the price of 20Mbps DSL. Since 10Mbps is more than enough for me I am worried about the latency, I saw this that is just a guy experiment, that shows that cable and DSL are the same in practical terms, and this but I couldn't grasp it, not sure if it is helpful. So my question is if there's any practical difference between cable and DSL, mainly in latency terms but I would be also interested in other advantages/disadvantages. This is for my home connection, I work from home but I don't run any server, I most of the time code, skype and eventually game.

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• Internet connectivity issues with one router but work ok with other router

  - by user825904

  I have one Tplink ADSL ROUTER and when i enter username and password on setup page then everything works fine. Now i have one more router Netgear router then when i enter same username and password then interworks ok for some 50% websites but for other 50% websites the page is not loaded and it hangs there. In the sats bar it says website found , waiting for reply and it hnags there and no site is displayed. I wonder which setting is different on these two routers. The Tplink router i have bought is from local shop but netgear router is from different country. Can that make some difference

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• Removed password from Windows 7, now I cannot login using Remote Desktop

  - by Niels Brinch

  I removed the password from the only account on my Windows 7 computer and now I get the following message when I try to log in. "Possible reasons are blank passwords not allowed". I did some research and found out what I should have done (disable the policy to allow blank passwords) but now I'm already logged out and cannot get back in. Does anyone have any suggestions? Update Thanks for all the answers. I actually think the reason I couldn't login with blank password was because I was logging in with Remote Desktop. I had no idea that made a difference, so didn't think it would be relevant to mention. When I went directly on the physical computer, it did not stop me from logging in without a password.

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• Mac ASL: Unable to see my application's log messages

  - by trojanfoe

  I have just added ASL logging support to my application but I cannot see any log entries using Console.app. I am logging with facility 'com.mydomain.myapp' (that's not the actual value) and have even added an entry to /private/etc/asl.conf to tell syslogd to 'store' entries at this Facility (with any Level): ? [= Facility com.mydomain.myapp] store I HUP'd syslogd with no success so I restarted my MacBook Pro, which also made no difference. I know my application is logging OK as I have added the option ASL_OPT_STDERR when calling asl_open() and can see the entries on stderr. Any help would be must appreciated!

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• Scanned JPEGs are large and slow to load - can they be optimized losslessly?

  - by Alistair Knock

  I have hundreds of JPEG photographs which were scanned about 5 years ago from negative using a Konica Minolta DiMAGE Scan Dual IV. The dimensions are ~4500x3000, and the filesize is around 12Mb, compared to shots from a DSLR with dimensions of 3000x2300 and filesize of 2-4Mb (actually, these are the output from a RAW convertor). The filesize is obviously quite a big difference, but the issue that's bothering me is that the (perceived) loading time is at least 10 times slower. Is this size/speed discrepancy likely to be because the scanner software saved the JPEGs inefficiently / using an old compression format, or is it simply that the scanned negatives contain much more "detail" (in the form of grain/noise) than the digital images? If the former, is there a way to losslessly optimize them? I've tried re-exporting the scanned files to full size JPEG from my RAW software but the filesize is pretty much the same. Both files will have been saved at 100 quality.

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