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• Ethernet switch not working

  - by Froskoy

  I've just tried using two different ethernet switches on my network to replace an 8-port Netgear gigabit ethernet switch, which works fine, but doesn't have enough ports for what I need. Computers are connected to a TP-Link TD-8840T router via a switch. They use DHCP for IP address assignment. One switch is a TigerSwitch 6924M, which I'd expect to be difficult to set up, since it is second hand and has an advanced configuration menu, which I can't access without a serial port. However, the second switch that I tried is a new TP-Link TL-SF024, which doesn't appear to have any configuration options, so that can't be the problem. When I say "not working," I mean that although they display that they are connected to a network, they cannot access the internet. For example commands like "ping -c10 google.co.uk" come up with 100% packet loss. What could be causing the problem and how do I fix it?

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• How to copy directories using debugfs?

  - by STM

  The debugfs manpage gives the impression that the command 'rdump . .' will recursively copy all files found on the specified filesystem from the debugfs cwd to the native filesystem's cwd. Instead I seem to receive a syntax error, and no copy is initiated? These are the commands I run: cd /path/to/transfer/destination debugfs /dev/sda1 -R rdump . . My task is to copy the entire contents of a clean yet unmountable USB storage device to its host machine's HD. The host machine does not support the inode size used by the USB device's filesystem (256) and its software is not upgradeable, so my intention was to use debugfs to transfer the files. If anyone has any other suggestions for this task I'd be grateful.

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• JD Edwards... call C#?

  - by rbobby

  Hey all, I know very little about JD Edwards. I have a client asking how to call an API we supply (as COM, C#, REST) from JD Edwards. I'm not getting much in terms of high quality answers from their tech guy... so I thought I'd ask here. Can JD Edwards call C#? Can JD Edwards call Java? Can JD Edwards call a Unix scipt? Can anyone point me towards anything useful in terms of developer/customization documentation? Thanks!

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• Force local IP traffic to an external interface

  - by calandoa

  I have a machine with several interfaces that I can configure as I want, for instance: eth1: 192.168.1.1 eth2: 192.168.2.2 I would like to be able to forward all the traffic to one of these local address trhough the other interface. For instance, all requests to an iperf, ftp, http server at 192.168.1.1 are not just routed internally, but forwarded through eth2 (and the external network will take care of re-routing the packet to eth1). I tried and looked at several commands, like iptables, ip route, etc... but nothing worked. The closest behavior I could get was done with: ip route change to 192.168.1.1/24 dev eth2 which send all 192.168.1.x on eth2, except for 192.168.1.1 which is still routed internally. The goal of this setup is to do interface driver testing without using two PCs. I am using Linux, but if you know how to do that with Windows, I'll buy it!

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• Time between AWS Notifying of Scale Down and Terminating instance

  - by SteveEdson

  Here is the scenario, there are multiple EC2 instances behind a load balancer. When traffic dies down, the SCALE_DOWN policy is triggered from a CloudWatch alarm. What I would like, is for the instance that is going to be terminated, or a separate server altogether, to be able to run a quick script that will execute a few commands to ensure all data has been transferred. My initial question was going to be how can I send a notification when an instance is going to be terminated by an auto scale, SCALE_DOWN policy. But then I saw this question Amazon EC2 notifying the instance when the autoscale service terminates it. If the notification is sent, how much time is there before the instance actually gets terminated? Are there any parameters to specify this time? Would it be a better idea to notify an instance that it is no longer needed, and get the instance to terminate itself once it has finished running the final script? Or, am I making this into a bigger problem than it actually is, and theres a far simpler solution?

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• java OutofMemoryError

  - by dqm

  I am running the following command on unix box. java -Xms3800m -Xmx3800m org.apache.xalan.xslt.Process -out Cust.txt -in test13l.xml -xsl CustDetails.xsl It is a java command, which calls Xalan processor to parse through the xml file (test131.xml) using the xsl stylesheet (CustDetails.xsl) and returns Cust.txt. The command works fine and the output is generated. It takes 12 minutes to process an xml file size of 1.1 GB. It takes 22 minutes to process a file size of 1.44 GB. However, when I try to process a file size of 1.66 GB, it errors out with the following message: (Location of error unknown)XSLT Error (java.lang.OutOfMemoryError): null I have increased the java heap size to 3800 not sure what I can do more. Many thanks for your help.

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• Is it worthwhile learning about Emacs? [closed]

  - by dole doug

  Hi there Some time ago, I've heard what a great tool Emacs can be. I've read some papers about it and some watched some video too. I've read that emacs is great not only for developers but for usual users too...so i decided to start learning how to use it and wok with it. The problem is that I'm a MS Windows user and I learn in my spare time PHP and C(I also did some products on those languages, but i still considering myself in learning stage). Another problem is that I learn alone (no friends around to ask/learn from them, programming related stuff). Can you give me some tips about how to use those type of tools(especially those written for gnu/unix) with "poor" GUI but rich features? Do you recommend to use the specific windows written applications only and forget about those which come from GNU?

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• Our Server Rooted but exploit doesnt work?

  - by Salina Odelva

  Hi everyone. My friend's hosting server got rooted and we have traced some of attacker's commands.. We've found some exploits under /tmp/.idc directory.. We've disconnected the server and are now testing some local kernel exploits that the attacker tried on our server. Here is our kernel version: 2.4.21-4.ELsmp #1 SMP We think that he got root access by the modified uselib() local root exploit but the exploit doesn't work! loki@danaria {/tmp}# ./mail -l ./lib [+] SLAB cleanup child 1 VMAs 32768 The exploit hangs like this.. I've waited over 5 minutes but nothing has happened. I've also tried other exploits but they didn't work.. Any ideas? or experimentations with this exploit? Because we need to find the issue and patch our kernel but we can't understand how he used this exploit to get root... Thanks

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• router propogation usng OSPF

  - by liv2hak

  I am using Juniper J-series routers to emulate a small telco and VPN customer.I need to use OSPF so that the path to each internal subnet is propogated to all PE nodes.The network topology is given below. To achieve this I am planning to run the following commands in UOW-TAU and UOW-HAM. set protocols ospf area 0.0.0.0 interface ge-0/0/0 set protocols ospf area 0.0.0.0 interface lo0.0 Do I need to do any additional configuration in TAU-PE1 and HAM-PE1 routers for it to receive the OSPF paths.? I am a beginner at the routing.Any help is appreciated.

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• How do you add more space to a Fedora (LVM) partition?

  - by Trevor Boyd Smith

  In a nutshell, i have a VM that ran out of space. I increased the size of the VM's harddrive to be 4 times bigger but the OS partition is still only using 1x the space. I need to change the LVM partition to take up the extra 4x space but I don't know how to extend the LVM partition. (NOTE: To make the screenshots given below I had to boot from a live-cd for gnome-partition-manager (aka gparted). Very unfortunately gparted is only able to "detect LVM" and can't do any LVM operations.) Here is what "gparted" shows. Please notice that the "resize" option is not available: The Problem: I can't find good directions<1 on how to grow the LVM partition via GUI or command-line! How do you grow a LVM partition that was created by the default Fedora install? If you are giving command line directions. Please explain what each line of commands does.

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• How to make BASH try and autocomplete on Enter

  - by swatso33

  I've noticed that for many of the commands I use in bash I have actually learned how many letters of the command I must type before I can press [TAB] to have bash successfully autocomplete the command. For example when opening chromium I dont usually type the whole command but instead type $ chrom[TAB][ENTER] and bash successfully autocompletes the command to chromium before I hit the [ENTER] key. Is there a way to make autocomplete work without having to hit [TAB]? My general thinking is that if I type $ chrom[ENTER] bash could check and see that chrom isnt a valid command, but it would make sense to autocomplete it to chromium since that is the only command that starts with chrom

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• Openstack keystone issue

  - by kevin

  i am having an issue with keystone,keystone is configured with users nova,glance and admin user and their endpoints are also defined. when performing keystone token-get it is showing token,but for commands like keystone user-list its showing No handlers could be found for logger "keystoneclient.client" Unable to communicate with identity service: 404 Not Found The resource could not be found. . (HTTP 404) but after setting these env variables it worked export SERVICE_ENDPOINT=http://192.168.10.15:35357/v2.0 export SERVICE_TOKEN=token but after that for keystone token-get its showing 'Client' object has no attribute 'service_catalog' Why is it so?How can it be fixed any ideas

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• Mouse settings/properties dialog box won't open in Windows 7

  - by ymasood

  Hi, I have a problem trying to open my computer's mouse settings by either going to the command prompt and typing, 'control mouse', 'main.cpl' (as researched online) or simply by trying to go to the Control Panel and clicking on 'Mouse' under Hardware and Sound section. I have also tried running cmd as Administrator and trying the above commands but that is of no help. Lastly, if I search for 'mouse' and click 'Mouse' from the Windows search bar, that doesn't work either. In the past I had bought and installed Microsoft Wireless Mobile Mouse 6000 software and have just now bought and installed HP's Wireless Comfort Mobile mouse. Any help in this regard is highly recommended. I won't be able to restore or reinstall my laptop since it's a heavy use machine. Thanks! Yasser

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• How can I shrink the Address toolbar in the Task Bar?

  - by Iszi

  I like being able to run commands straight from my Task Bar. So, I've enabled the Address toolbar on my new Windows 7 system - just like I had on my old XP system. However, the bar seems to have a mandatory minimum length that's a bit longer than I'd prefer. It's about twice as long, if memory serves, as the minimum size allowed in XP. Is there any way I can adjust this minimum length, through a Registry key or some other means? (Note: I've also got a related question, about removing the Refresh button at the end of the bar.) EDIT: For clarity, I'm adding a screenshot. The toolbar I want to shorten is the one circled below, with an empty text-entry field that has a drop-down and "Refresh" button. I currently have it positioned between a Quick Launch toolbar and the Taskbar. On the far side of the Taskbar, before the System Tray, is a Desktop toolbar.

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• Compiz command plugin won't register keyboard shortcuts

  - by David Moles

  Per this discussion I've enabled the Compiz commands plugin in order to try to bind some keyboard shortcuts to wmctrl actions. CCSM captures my keystrokes just fine, but no matter what keystroke I try or what command I bind it to (everything from my original intention of binding Super-1, Super-2 etc. to wmctrl -o 0,0, wmctrl -o 2560,0, etc., to binding Ctrl-Alt-Shift-L to gnome-terminal). Basic compiz shortcuts for window switching and so on -- even custom ones -- seem to work fine, but the command plugin doesn't seem to be working at all. I also notice the following symptom: when I open the keyboard shortcut tab in CCSM, the keyboard shortcuts often at first appear blank, though if you click on the blank button, the correct value is still there. Also possibly related, I've noticed that gnome-terminal doesn't seem to notice the Super key, though other apps (e.g. CCSM, Emacs) register it fine. Anyway, it seems like something's eating my keystrokes. Any ideas?

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• Using Yii framework, what would be a right way to process an attribute before displaying it using CH

  - by Karolis

  Say I have this line of code in the view. <?php echo CHtml::activeTextField($model,'start_time'); ?> start_time is a UNIX timestamp. When just displaying it in a view I can apply functions like date() on it. Where should I apply the formatting when I'm displaying it in a form, by using the above line of code? (This case of timestamps/dates might be special, but I'm also interested in how would one go about if it wasn't a date and I just want to work with "value in database" < "different representations of the value in different views. Thanks =)

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• Organising dates in PHP

  - by richzilla

  Hi All, Im wanting to organize a series of dates in the following format. As a bit of context, the dates are the dates of upcoming events that can be added by my users. The format: January 2011 date - event date - event date - event February 2011 date - event date - event date - event with all events in a given month, arranged by the date on which they occur. All of my event dates are stored in my database as unix timestamps. Problem is, i dotn know where id start to develop a function that would order all of my events in this way. Can anyone help me out? Cheers

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• Virtual PC - Display Issue with Ubuntu Server

  - by Christopher R

  Hi Everyone, I just did a clean install of Ubuntu Server 9.04 in Virtual PC on the Windows 7 RC, and it seems to be having a bit of an issue with the virtual machine's display adapter. I've tried setting a VGA flag in the GRUB configuration to no avail. This is a guess, but I think it has something to do with the color console mode that gets enabled by default at boot time. The system starts booting just fine (i.e. the console looks "normal" when I'm asked to enter an LVM passphrase, etc.), but then the display goes wonky after a few seconds and I end up with this. Typing commands in bash works just fine: it's not like the system is frozen or anything, I just can't see anything that I type. The console looks exactly the way it does in the image below.

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• Zend Framework - POP3 - retrieving message source

  - by pako

  Is it possible to retrieve the complete message source (similar tu Unix Mbox format) using Zend_Mail_Storage_Pop3 from the Zend Framework? I'm using the following code to retrieve messages: $mail = new Zend_Mail_Storage_Pop3(array('host' => 'localhost', 'user' => 'test', 'password' => 'test')); echo $mail->countMessages() . " messages found\n"; foreach ($mail as $message) { echo "Mail from '{$message->from}': {$message->subject}\n"; } It looks like the $mail object contains the message already split up into fields (ie. headers, contents, etc.). Is there any way to retrieve the original message source? I would like to be able to store it so if I need to parse the message again using a different tool, I will have the necessary information.

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• JDBC query to Oracle

  - by Harish

  Hi, We are planning to migrate our DB to Oracle.We need to manually check each of the embedded SQL is working in Oracle as few may follow different SQL rules.Now my need is very simple. I need to browse through a file which may contain queries like this. String sql = "select * from test where name="+test+"and age="+age; There are nearly 1000 files and each file has different kind of queries like this where I have to pluck the query alone which I have done through an unix script.But I need to convert these Java based queries to Oracle compatible queries. ie. select * from test where name="name" and age="age" Basically I need to check the syntax of the queries by this.I have seen something like this in TOAD but I have more than 1000 files and can't manually change each one.Is there a way? I will explain more i the question is not clear

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• Virtualmin deactivating PHP on new virtual servers

  - by Josh

  This is related to my other question... but the situation is much worse now. After updating to the most recent version of Virtualmin, when I create new accounts, Virtualmin sets up their VirtualHost entries as follows: <Directory /home/username/public_html> Options -Indexes +IncludesNOEXEC +FollowSymLinks +ExecCGI allow from all AllowOverride All AddHandler fcgid-script .php FCGIWrapper /home/username/fcgi-bin/php.fcgi .php </Directory> <Directory /home/username/cgi-bin> allow from all </Directory> [...] RemoveHandler .php Now, not only is it specifically inserting AddHandler fcgid-script and FCGIWrapper... which I do not want because I am using mod_fastcgi, but it's also setting up PHP in such a way that it will never work! It's adding a RemoveHandler .php after setting up the handler for PHP! Where is this behavior configured and how can I stop it? Better yet, how can I make Virtualmin not include any PHP commands at all in the VirtualHost section?

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• Munin "Available entropy" when using address space layout randomization

  - by clawspoon

  Having just configured Munin for statistics logging on my gentoo server (hardened profile), I am noticing that my "Available entropy" is consitently in the 200-300 range. This seems way to low, so I checked it manually using the command $ cat /proc/sys/kernel/random/entropy_avail 3544 Odd. Consistently very low values in Munin and practically filled up when checking manually. After thinking about the problem for a while I came to the conclusion that the problem is probably that I'm using Adress Space Layout Randomization which is using the entropy when running commands/programs. Since Munin runs a whole slew of programs all the entropy is used up, and Munin then measures how much entropy there is, resulting in the low values. Does anyone have any experience with this? How can this be avoided?

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• Colour output piped to less

  - by mmacaulay

  Operating system: Mac OS 10.6.2 I'd like to be able to see colour output when piping certain commands through less. Two examples: I've got ls aliased to ls --color=auto, so I'd like to be able to see colour when I do this: ls -l | less I've also got the color extension turned on in Mercurial, so I'd like to see colour output from: hg diff | less and hg st | less After some googling, it seems like some versions of less support either -r or -R to make this work, but no dice for me. I can't see anything in the man page that looks like what I need. (-r or -R SEEM to be the right options, but again, they don't seem to work)

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• nagios-nrpe-unable-to-read-output [closed]

  - by Bill S

  Oracle Linux; Icinga; Nagios plugins I did all the easy steps command runs fine standalone through my normal login; looked at /var/log/messages to see if any clues there Trying to run plugin under nrpe login - cant login don't know password; does this password matter? can I reset it? clone id? Any way to have shell being executed log all commands and output to somewhere? Trying to run this shell script plugin "nqcmd OBIEE plugin for Nagios" from this URL: http://www.rittmanmead.com/2012/09/advanced-monitoring-of-obiee-with-nagios/ I went through script and made sure that everything obvious was set to 755 Any help would be appreciated

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• Wrapping text in an opened file in vim

  - by TK

  I want to soft wrap text in Vim to 90 columns per line. I want soft wrap so that it doesn't affect actual text by adding line break characters. Here's is what I tried: // Opened a file with lots of text and ran the following: set wrap set tw=90 set linebreak Running the commands doesn't change anything about the view at all. It soft wraps at the end of the window. I have used "Soft Wrap" in TextMate by Command-Option-W to get the same effect, and want to know how to get it work on Vim.

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