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• How to fetch a cpu status thought net-snmp

  - by Steve.DC.Tang

  I want to fetch a device's cpu and memory status thought net-snmp. I get my device's info with this command: snmpwalk -v 2c -c public 210.38.xxx.xxx system And I got this info: SNMPv2-MIB::sysDescr.0 = STRING: Ruijie High-density IPv6 10G Core Routing Switch(S8606) By Ruijie Network SNMPv2-MIB::sysObjectID.0 = OID: SNMPv2-SMI::enterprises.4881.1.1.10.1.43 DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (1978814424) 229 days, 0:42:24.24 SNMPv2-MIB::sysContact.0 = STRING: SNMPv2-MIB::sysName.0 = STRING: S8606 SNMPv2-MIB::sysLocation.0 = STRING: SNMPv2-MIB::sysServices.0 = INTEGER: 7 Now I want to fetch the cpu status, and I search my question on Google, somebody offer a oid for query the cpu status: snmpwalk -v 2c -c public 210.38.xxx.xxx usageOfCPU But it doesn't worked : No log handling enabled - using stderr logging usageOfCPU: Unknown Object Identifier (Sub-id not found: (top) - usageOfCPU) Somebody told me some switch has its private MIB, and you can use it to see its CPU status, is that right? I hope someone can solve me question......

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• Intermittent 5.7.1 email bounce to Exchange 2007

  - by Steve Kennaird

  My knowledge of Exchange isn't particularly great, so excuse me if some of the terminology I use isn't quite right. I'm primarily a web developer who's now responsible for a small business's network. We have a server running SBS 2008 and Exchange 2007. Generally, everything works well, emails are able to be sent to both internal and external domains without issue. We've only got ~20 users, Exchange is sitting on a single server. I use SendGrid to send emails generated by our externally hosted website to users in the office. Primarily, order notifications are sent to [email protected]. Without any pattern and less than once per week on average, an email to [email protected] will bounce back, and the logs on SendGrid detail the following error: 550 5.7.1 Unable to relay for [email protected] Either side of that failed delivery attempt, I'm able to send and receive emails to/from [email protected]. Having done some research, incorrect reverse DNS seems like it could be a cause of intermittent bounces like this. Having used nslookup, I have found that the reverse DNS doesn't map like it should, e.g. Office IP: 135.325.351.123 (made up IP, for example only) Domain: office.somedomain.com (made up, for example only) Reverse DNS: somedomain.gotadsl.co.uk (half made up) Could this be a cause? I'm sure that the IP address and the domain should map to each other. Also, it has been suggested to me that as the Exchange server is on a network with an ADSL connection, that could be a potential cause as the connection "goes up and down all day long". I don't have an opinion on this, as I don't have enough knowledge of Exchange/ADSL to form a reliable opinion. Can anyone offer any insight as to whether one or both are actually potential causes, or if there is another possible cause?

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• Sensitive data in init scripts

  - by Steve Jorgensen

  I'm adapting some examples I've found by Googling to build an init script to run a VirtualBox OSE virtual machine as a daemon. I would like to specify a password for VNC access to the VM, and this must be given as an argument to the VBoxHeadless command. Conventionally, init scripts are readable by standard users, and this seems like a useful convention, but I also don't want the VNC password for this VM to be stored in easily accessible plain text. What's the most appropriate/conventional way to handle this kind of situation? Maybe put a root-readable supporting data file someplace, and have the init script load the value from there?

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• IMCEMAILTO and exghost

  - by Steve

  One of my associates sent an email to me that was also sent to a client. The client's email address appears to be mangled, however. He says he sent it twice---the first one bounced and the second did not. The email address he sent it to was: [email protected] My searches on Google indicate that the MAILTO could be a bad protocol but I didn't know how the email address would be interpreted by exchange server. What email address was the email sent to, how did IMCEMAILTO get there, and does it have any change of getting delivered?

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• iSCSI Disconnects every 30 minutes

  - by Steve Evans

  Every 30 minutes, almost by clockwork, a get the following error on my Windows 2008 R2 servers: Log Name: System Source: MSiSCSI Event ID: 113 Level: Warning Description: iSCSI discovery via SendTargets failed with error code 0xefff0003 to target portal *10.2.62.3 0003260 B06BDRV\L4SC&PCI_163A14E4&SUBSYS_045F1028&REV_20\5&cabe3b7&0&30050200_0 I have 12 identically built servers connected to this iSCSI network and they are all seeing this issue. I've updated drivers and firmware levels without any change. Any other obvious things I should try before engaging my network team and the vendors.

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• What causes XP to lose the clipboard?

  - by Steve

  A few times lately I've been getting the error "Cannot open clipboard" when trying to paste. Can I get it back without re-booting? I've been using Arsclip for years as a clipboard enhancement. I'm not convinced that causes the problem as it persists even when I close it.

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• How to recover a USB flash drive

  - by Steve Rowe

  I have a USB flash drive that claims it needs to be formatted every time I put it into my computer (Windows). Yesterday the drive was healthy and had data on it. The data is probalby still there. Are there any free tools to restore the drive? If not free, what tools are known to work in this situation?

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• Where to find a list of bad passwords?

  - by Steve Morgan

  I need to implement a 'stop list' to prevent users selecting common passwords in a new online service. Can anyone point me to such a list online anywhere? Edited: Note that I'm only trying to eliminate the most common passwords, not an exhaustive dictionary. And, of course, this complements a reasonably strong password policy (length, use of non-alpha characters, etc.) Thanks.

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• CentOS Vs Windows Server 2008

  - by Steve

  Hi, Apologies if the question appears ambiguous, I have little experience in this area and was after some informed opinions. I am deploying a test scenario of a server/client network and need to make some choices for Server. The client will be a Windows system as it meets the requirements for the client, the server choice has more room for selection. From my experience with Linux in general and the appealing nature of open source for low cost, security etc and the availability and performance of database and web server programs I have been considering CentOS as a server choice. I have the ability to make most of the choices of what software / server packages I wish to install. This includes Active Directory (something I have no experience with). How well does this operate with Windows clients? Am I being too selective and creating unnecessary complication by setting out not to use a Windows Server OS?

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• Why can't I physically access my machine after a remote session?

  - by Steve Crane

  I have a Dell Optiplex 960 desktop running Windows 7 64-bit at work. I typically leave it locked rather than logged off when I go home, so that I'm able to remote in from home and continue working if I wish. This is where the problem comes in. If I don't remote in there is no problem and I can simply unlock the next morning. It's when I do remote in that I have a problem. Remote sessions work as expected but when I get to work the next morning the machine appears to have gone into a sleep or hibernate state, from which no amount of mouse moving or keyboard pounding will wake it. The machine is not hanging as remote sessions to it are still possible; it seems that physical access from it's own mouse and keyboard are lost. The only way to gain access is to press and hold the power switch for several seconds until the machine shuts down. Of course this means Windows does not gracefully shut down and after powering up it takes several minutes for the machine to boot and reach the login prompt; presumably while it checks the disk. Has anyone else seen something like this?

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• Mini keyboard has no home/end keys; how to type them?

  - by Steve Crane

  Some months ago I needed a small keyboard and bought an Okion KM229 without noticing that it has no Home or End key. This makes it tricky to type as I'm so used to using these keys. I haven't yet figured out if there is a key combination that issues Home and End keystrokes. Does anyone have experience of these keyboards and know how to issue those keystrokes? The keyboard is used on a PC running Windows XP. I have used the contact form on the Okion USA web site to ask this question but received no response. Wikipedia suggests that Home and End keystrokes are issued with Fn-Left and Fn-Right on some limited size keyboards. I may have tried those but don't remember for sure. I will try them again though when I am on site again in a week or so. Any other thoughts would be welcomed in the meantime.

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• Apache Virtual host (SSL) Doc Root issue

  - by Steve Hamber

  I am having issues with the SSL document root of my vhosts configuration. Http sees to work fine and navigates to the root directory and publishes the page fine - DocumentRoot /var/www/html/websites/ssl.domain.co.uk/ (as specified in my vhost config) However, https seems to be looking for files in the main apache document root found further up the httpd.conf file, and is not being overwritten by the vhost config. (I assume that vhost config does overwrite the default doc root?). DocumentRoot: The directory out of which you will serve your documents. By default, all requests are taken from this directory, but symbolic links and aliases may be used to point to other locations. DocumentRoot "/var/www/html/websites/" Here is my config, I am quite a new Linux guy so any advise is appreciated on why this is happening!? NameVirtualHost *:80 NameVirtualHost *:443 <VirtualHost *:443> ServerAdmin root@localhost DocumentRoot /var/www/html/websites/https_domain.co.uk/ ServerName ssl.domain.co.uk ErrorLog /etc/httpd/logs/ssl.domain.co.uk/ssl.domain.co.uk-error_log CustomLog /etc/httpd/logs/ssl.domain.co.uk/ssl.domain.o.uk-access_log common SSLEngine on SSLOptions +StrictRequire SSLCertificateFile /var/www/ssl/ssl_domain_co_uk.crt SSLCertificateKeyFile /var/www/ssl/domain.co.uk.key SSLCACertificateFile /var/www/ssl/ssl_domain_co_uk.ca-bundle </VirtualHost> <VirtualHost *:80> ServerAdmin root@localhost DocumentRoot /var/www/html/websites/ssl.domain.co.uk/ ServerName ssl.domain.co.uk ErrorLog /etc/httpd/logs/ssl.domain.co.uk/ssl.domain.xo.uk-error_log CustomLog /etc/httpd/logs/ssl.domain.co.uk/ssl.domain.xo.uk-access_log common </VirtualHost>

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• Connecting a DVI splitter

  - by Steve Carter

  Hi I am trying to use a DVI splitter so I can use either my pc monitor or my TV which is close to the pc, Both monitors work fine if the splitter is connected after the pc has booted up, But if the pc is re booted both the monitors show a blank screen after saying there is no signal. I have been told it could be because the monitors are working on different resolutions is this the case, If so how can I cure the problem without having to keep changing the res on TV monitor

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• Lagging digital tv over ethernet

  - by Steve

  I have a HD Home Run TV over ethernet device, which connects the aerial to my router, and from there the router connects to my PC over about 15m of 100Mbps ethernet cable. The TV output lags every second. It does not do so for a computer much closer to the router. It is odd to me that the network rate is around 7Mbps on a 100Mbps cable. I am not downloading or streaming anything else on the affected computer. Is this lag caused by the speed of the cable, the length of the cable, or interference on the cable? I am considering swapping the ethernet cable with shielded ethernet cable.

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• IE 8 doesn't appear to clear cache on demand. Is anyone else seeing this?

  - by Steve

  I have a client that uploads updated pdf files to her Concrete5 CMS, through the file manager, replacing the old file with the same name. She then does a cms "clear cache" and exits as she should. Then, in testing, she finds that the old file still comes up when clicking on the link. On further review, the cms file manager version tracking shows that the file has been updated, and, for me, the new file comes up, as it should, when clicking the link. My client hase also refreshed her browser cache and still, she only gets the old file when clicking on the link. She says that, while she can't seem to force an immediate cache update, overnight it appears to update. My client is also part of a large company-wide lan and intranet. Is it possible that there is a cache function placed outside of her local browser and cms cache that is not updating?

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• VMM 2012 Adding Hosts in Trusted Forest

  - by Steve Evans

  I have two forests with a two way trust between them. VMM 2012 sits in ForestA and I can discover hosts in ForestA with no issue. When I try to discover hosts in ForestB I hit one of two issues: If I go through the GUI or use Powershell just like I normally do I get the following error on the job: Error (10407) Virtual Machine Manager could not query Active Directory Domain Services. Recommended Action Verify that the domain name and the credentials, if provided, are correct and then try the operation again. It doesn't matter which account I use. I've tried accounts from both forests, with Admin/Domain Admin permissions all over the place, etc Going through the GUI (can't find the switch in Powershell to duplicate this), I check the box "Skip AD Verification" and it causes the GUI to crash during discovery. I found an article (http://technet.microsoft.com/en-us/library/gg610641.aspx) that describes how to add a host in a disjoint namespace (even though that doesn't apply to me) and it says that VMM creates an SPN if one does not exist. So I verified that the correct SPN's exist in ForestB, that did not help the issue. I have a case open with PSS but they are stuck. I have VMM traces if anyone would like to see them. Any suggestions or ideas?

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• Where's the best place to get my iPad, iPhone and iPod touch questions answered?

  - by Steve Richards

  Since iPad, iPhone and iPod touch releated questions are being closed on SuperUser where's the bestplace to get answers to these questions?

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• Excel IP address and subnet to network and inverse mask [closed]

  - by Steve Dailey

  We need a script, marco or something in excel where we can take list like below interface Vlan100 ip address 192.168.1.3 255.255.255.0 interface Vlan101 ip address 192.168.2.3 255.255.255.128 interface Vlan102 ip address 192.168.2.130 255.255.255.128 interface Vlan103 ip address 192.168.3.3 255.255.255.240 etc... and produce a list like below ospf 1 undo silent-interface Vlan-interface100 undo silent-interface Vlan-interface101 undo silent-interface Vlan-interface102 undo silent-interface Vlan-interface103 area 0.0.0.0 network 192.168.1.0 0.0.0.255 network 192.168.2.0 0.0.0.127 network 192.168.2.128 0.0.0.127 network 192.168.3.0 0.0.0.15 so it will need to take an ip address/subnet mask and convert them to network number/inverse mask. I believe I can handle the Vlan manipulation with a substitution so no need to spend time on that.

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• Installed Paragon HFS+ for Windows 8, now my pc won't recognize the external firewire drive

  - by Steve

  I'm not incredibly knowledgeable about computers and I really need some help. Just got a Seagate external firewire drive this morning. I downloaded the necessary pc driver (Paragon HFS+ for Windows 8) through their website per the instructions that came with the drive. After installation, I restarted and the pc recognized the firewire drive just fine. About three hours into copying files from my pc to the firewire drive, it gave me an error and told me the files couldn't be copied. When I clicked to get out of the message, the computer crashed. After an hour of it trying to repair itself in safe mode, it restored me to an earlier version before the system crashed. Here's my current dilemma: The Paragon HFS+ is still showing up in my programs as installed, but the Device Manager is not recognizing the drive. When I try to uninstall and reinstall Paragon, it interrupts me with a message saying "The setup must update files or services that cannot be updated while the system is running" and basically gives me the finger. I have no idea what to do now, as it won't let me uninstall and reinstall Paragon, and I have no idea why it crashed my computer in the first place. Is there possibly another Mac - PC firewire driver I can try downloading instead? I really don't know what I'm doing and any help would be greatly appreciated.

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• Microsoft Ergonomic Keyboards With Card Readers?

  - by Steve

  When I started working at my current job I developed tendinitis in my wrists. Luckily that cleared up when I started using a Microsoft ergonomic keyboard. The problem is that where I work is moving to more security. We will need to stick a card into a slot to log into our PCs. They bought a bunch of new keyboards with these slots built in. All regular keyboards. Is there something like the Microsoft Ergonomic keyboard that comes with such a card slot? Thanks.

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• server dosnt produce syn-ack

  - by steve

  I have a small program that take packets from the nfqueue . change the ip.dst to my server dst (and ttl), recalc checksum and return the packet to the nfqueue. The server and the client are linux and apache web server is run on the server and listen on port 80. i open telnet in the client to fake ip on port 80 . the packet is changed by my program and sent to the server, but the target server (the new dst ip) get the syn , but dosnt generate syn-ack (the server also belong to me , so i can see that it get the syn with checksum correct , but dosnt generate syn-ack). if i do the same , but with the real server ip as the dest, the tcp handshake is done correct (in this case i just change the ttl and checksum. The change that i did to the ttl is just a test to see that my checksum calc is ok). i compare the sys's , but didnt find and difference. Any idea? Ps. i saw this topic : Server not sending a SYN/ACK packet in response to a SYN packet and i set all flags the same , but this didnt help. Thank you

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• Setting up WAMP to run on a LAN

  - by Steve

  I've installed WAMP on a Windows 7 PC, and it is running fine locally, as localhost. I want PCs on the LAN to be able to view the local server. When they load my PC's IP address in their browser, they receive a "You don't have permission to access / on this server" error. I followed this guide, but the issue remains. To recap: I've added an inbound exception to Windows Firewall for port 80 for Private and Domain connections. I've edited Apache's httpd.conf to include: Listen 80 Listen 192.168.0.5:80 < Directory "c:/wamp/www/wordpress/" allow from all < /Directory I've edited httpd-vhosts.conf to include: < VirtualHost 192.168.0.5:80 DocumentRoot "C:/wamp/www/wordpress" < /VirtualHost Any ideas?

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• Using nawk, how to print the first names for all those in the 916 area code? [closed]

  - by Steve

  Possible Duplicate: Using nawk, how to print all first names containing four characters? Using nawk, how to print the first names for all those in the 916 area code? I've tried nawk ‘$3 ~ /(916)/{print $1}’ inputfile but didn' work. Jody Savage:(206) 548-1278:15:188:150 Guy Quigley:(916) 343-6410:250:100:175 Dan Savage:(406) 298-7744:450:300:275 Nancy McNeil:(206) 548-1278:250:80:75 John Goldenrod:(916) 348-4278:250:100:175 Chet Main:(510) 548-5258:50:95:135

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• How does formatting works with a PowerShell function that returns a set of elements?

  - by Steve B

  If I write this small function : function Foo { Get-Process | % { $_ } } And if I run Foo It displays only a small subset of properties: PS C:\Users\Administrator> foo Handles NPM(K) PM(K) WS(K) VM(M) CPU(s) Id ProcessName ------- ------ ----- ----- ----- ------ -- ----------- 86 10 1680 412 31 0,02 5916 alg 136 10 2772 2356 78 0,06 3684 atieclxx 123 7 1780 1040 33 0,03 668 atiesrxx ... ... But even if only 8 columns are shown, there are plenty of other properties (as foo | gm is showing). What is causing this function to show only this 8 properties? I'm actually trying to build a similar function that is returning complex objects from a 3rd party .Net library. The library is flatting a 2 level hierarchy of objects : function Actual { $someDotnetObject.ACollectionProperty.ASecondLevelCollection | % { $_ } } This method is dumping the objects in a list form (one line per property). How can I control what is displayed, keeping the actual object available? I have tried this : function Actual { $someDotnetObject.ACollectionProperty.ASecondLevelCollection | % { $_ } | format-table Property1, Property2 } It shows in a console the expected table : Property1 Property2 --------- --------- ValA ValD ValB ValE ValC ValF But I lost my objects. Running Get-Member on the result shows : TypeName: Microsoft.PowerShell.Commands.Internal.Format.FormatStartData Name MemberType Definition ---- ---------- ---------- Equals Method bool Equals(System.Object obj) GetHashCode Method int GetHashCode() GetType Method type GetType() ToString Method string ToString() autosizeInfo Property Microsoft.PowerShell.Commands.Internal.Format.AutosizeInfo autosizeInfo {get;set;} ClassId2e4f51ef21dd47e99d3c952918aff9cd Property System.String ClassId2e4f51ef21dd47e99d3c952918aff9cd {get;} groupingEntry Property Microsoft.PowerShell.Commands.Internal.Format.GroupingEntry groupingEntry {get;set;} pageFooterEntry Property Microsoft.PowerShell.Commands.Internal.Format.PageFooterEntry pageFooterEntry {get;set;} pageHeaderEntry Property Microsoft.PowerShell.Commands.Internal.Format.PageHeaderEntry pageHeaderEntry {get;set;} shapeInfo Property Microsoft.PowerShell.Commands.Internal.Format.ShapeInfo shapeInfo {get;set;} TypeName: Microsoft.PowerShell.Commands.Internal.Format.GroupStartData Name MemberType Definition ---- ---------- ---------- Equals Method bool Equals(System.Object obj) GetHashCode Method int GetHashCode() GetType Method type GetType() ToString Method string ToString() ClassId2e4f51ef21dd47e99d3c952918aff9cd Property System.String ClassId2e4f51ef21dd47e99d3c952918aff9cd {get;} groupingEntry Property Microsoft.PowerShell.Commands.Internal.Format.GroupingEntry groupingEntry {get;set;} shapeInfo Property Microsoft.PowerShell.Commands.Internal.Format.ShapeInfo shapeInfo {get;set;} Instead of showing the 2nd level child object members. In this case, I can't pipe the result to functions waiting for this type of argument. How does Powershell is supposed to handle such scenario?

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• Speed up repetitive completion of email.

  - by steve sharpe

  I want to send email with the same subject line, body text and pdf attachment to any one who asks me for the .pdf. I want to be able to use a keyboard short cut or similar to avoid having to type the same stuff every time.

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