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  • Set Photo For Domain Users

    - by Wayne Hartman
    One of the more interesting features of Windows Vista/7 is being able to set a photo to represent your user. This is nice on a standalone installation, but is there a way to set the photo in Active Directory so that the photo is consistent no matter where the user logs in across the domain?

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  • Are there any statistics on the number of networks using Ethernet Jumbo frames?

    - by Russell Heilling
    I am often told by Sales Engineers and Product managers that a Layer 2 Ethernet service is not fit for purpose if the maximum supported frame size is in the 1518-1522 range (enough to support standard Ethernet frames or VLAN tagged frames). Or in other words: an MTU of 1500 is not enough (see this blog post for my definition of MTU and a short rant on how the term is often misused) I am never able to get any details from them on: a) What proportion of customers (Enterprise / SMB) require Jumbo frames b) What are typical expectations on frame size for Jumbos on WAN links? 1600, 2000, 9k, etc... I know that in Telco and Data Centre environments Jumbos are pretty common, but I am after some insight as to how common this is within Enterprise and SMB networks.

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  • Mirror/Backup from SSH/SFTP to Windows

    - by Andrew Russell
    What I am trying to do is mirror a directory (recursively) from a server I can SSH/SFTP to, to a Windows machine. I want to do this as part of a script, so it can be automated. I only want to copy new or modified files. I don't want to have to download all the files every time the script runs. In other words, I'm trying to get the equivalent of RoboCopy /MIR that will work using SFTP as a source. What would you recommend?

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  • Debootstrap Ubuntu over NFS leads to mknod I/O error

    - by Aaron B. Russell
    Hi everyone, I'm trying to prepare an Ubuntu environment for a diskless machine that will PXE boot and mount an NFS share as it's root. I've currently got another Ubuntu machine mounting the NFS share and I'm trying to debootstrap into it, but it has trouble creating devices over NFS: root@kimiko:~# mount | grep Seiuchi 192.168.0.203:/mnt/user/Seiuchi on /mnt type nfs (rw,addr=192.168.0.203) root@kimiko:~# debootstrap --arch i386 maverick /mnt http://gb.archive.ubuntu.com/ubuntu/ mknod: `/mnt/test-dev-null': Input/output error E: Cannot install into target '/mnt' mounted with noexec or nodev My NFS rule on the unRAID server is 192.168.0.201/32(rw,no_root_squash,sync). I don't have the noexec or nodev options set. I've not got much experience with NFS, so I'm probably missing something basic in the way I'm sharing this, but my attempts at Googling for an answer isn't really turning anything useful up. Does anyone have suggestions on what I might have missed or maybe relevant docs? Edit: Creating normal files (and directories) works just fine, I just can't create devices... root@kimiko:/mnt# mkdir foo root@kimiko:/mnt# cd foo root@kimiko:/mnt/foo# touch bar root@kimiko:/mnt/foo# mknod quux c 4 64 mknod: `quux': Input/output error root@kimiko:/mnt/foo# ls bar

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  • How to find the real IP to which IPVS is routing a virtual IP

    - by Wayne Conrad
    I'm trying to find a problem server hiding behind a virtual IP (using LVS/ipvs). I've got a test program that sends requests to the virtual IP until it gets the bad response, but how can I tell to which real IP a request to the virtual IP got routed? On the box doing the virtual IP magic, here's the virtual IP configuration (for the service I care about): IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn ... TCP 10.1.0.254:5025 nq -> 10.1.0.5:5025 Route 1 0 1 -> 10.1.0.6:5025 Route 1 0 5 -> 10.1.0.7:5025 Route 1 0 2 -> 10.1.0.9:5025 Local 1 0 3 -> 10.1.0.11:5025 Route 1 0 3 ... My client program is sending TCP requests to 10.1.0.254:5025, usually getting a good response but sometimes a bad response. With this few servers, I could send my request to each server in turn until I discover the culprit, but I wonder if that technique will scale as we add servers. What means exist for me to find out where requests got routed? Kernel: Linux 2.6.32 OS: Debian testing (whatever that's called these days). ipvsadm is version 1.25, compiled with ipvs v1.2.1

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  • Windows Software RAID 5 Drive Failure Notification

    - by Wayne Hartman
    I plan on creating a Windows software RAID 5 array but need to know when a drive goes bum. I don't plan on wanting to check the server every so often, so how can I have an email sent when a drive goes kapüt or otherwise has problems? Keying off the event log would be OK, but how does one set up notifications on it when the exact event ID(s) may not be known?

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  • Does TAM == TAPI3 Voice Compliance?

    - by Wayne Hartman
    I am looking to purchase some cheap USB modems that claim to be able to use TAM (Telephone answering machine). I am an unable to see any explicit commands that these devices support. Would it be safe to assume that these devices support the AT instructions for playing/recording audio from the modem?

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  • What are the default groups assigned to the first user in Ubuntu Server?

    - by Wayne Koorts
    I just made a silly mistake on my Ubuntu Server box: I added myself to a group using usermod -G, after which I discovered the -a option... The result is that I am now out of the admin group, and lost my sudo rights. I can sort that out, but I want to know what other groups I may been removed from? My user was the first one so what I'm looking for is a list of groups that the first user gets added to at installation time.

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  • Reccomendation for tuning 100's of Sql Databases

    - by wayne
    Hi, I'm running several sql servers, each running a few hundred multi gig databases for customers. They are all setup homogeneously as far as the schemas are concerned, however customer usages of the data differ quite alot from database to database. What would be the best way to auto-index / profile / tune this large amount of databases? As there are atleast 600 or more catalogs i cant have someone manually profile, and index as required by each databases usage patterns. I'm currently running SQL 2005 but will be moving to 2008, so solutions that work with either are fine!

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  • Duplicate free/busy or full calendar information between two exchange servers

    - by Wayne Arthurton
    We have acquired a new entity with their own AD/Exchange environment. Until they fully join our domain, we need to sync their exchange calendars or minimally free/busy for users. All users in the acquisition have a new account in our organization. We have considered a number of options including CalDAV, but nothing seems to meet our needs. Even a client solutions to update the NEW server with the free/busy would be workable.

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  • What are some good, IP Address Management solutions for IPv6? [closed]

    - by Russell Heilling
    There are a number of open source IPAM tools available for IPv4 address management; however there seems to be a distinct lack of actively updated tools available for IPv6. Other than FreeIPdb (code no longer maintained) or the RIPE Database (I have seen some customisations to the RIPEdb that allow for enterprise/ISP IPAM but it seems like overkill for a system that will probably only ever handle one /32 worth of space). Are there any other options that I'm missing? (Database only please. I know vi can be used for flat text IPAM, that's how I'm handling our /32 at the moment, but I don't see it scaling for much longer) It doesn't have to be open source but what are folks doing to manage IPv6 in a dual stack environment

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  • Configure vlan on Netgear switch via SNMP

    - by Russell Gallop
    I am trying to configure vlans on a netgear GS752TSX from the Linux command line with netsnmp. I have created vlan 99 on the web interface now want to control the pvid settings, egress and tagging. I have identified these as the MIBs I need to change: dot1qPvid.<port> dot1qVlanStaticEgressPorts.99 dot1qVlanStaticUntaggedPorts.99 Pvid works as I expect: $ snmpset -r 1 -t 20 -v 2c -c private <switch> dot1qPvid.17 u 99 Q-BRIDGE-MIB::dot1qPvid.17 = Gauge32: 99 $ snmpget -r 1 -t 20 -v 2c -c private <switch> dot1qPvid.17 Q-BRIDGE-MIB::dot1qPvid.17 = Gauge32: 99 and so do the egress ports: $ snmpset -r 1 -t 20 -v 2c -c private <switch> dot1qVlanStaticEgressPorts.99 x 'ff ff ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00' Q-BRIDGE-MIB::dot1qVlanStaticEgressPorts.99 = Hex-STRING: FF FF FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 $ snmpget -r 1 -t 20 -v 2c -c private <switch> dot1qVlanStaticEgressPorts.99 Q-BRIDGE-MIB::dot1qVlanStaticEgressPorts.99 = Hex-STRING: FF FF FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 But untagging the ports doesn't seem to remember my setting: $ snmpset -r 1 -t 20 -v 2c -c private <switch> dot1qVlanStaticUntaggedPorts.99 x 'ff ff ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00' Q-BRIDGE-MIB::dot1qVlanStaticUntaggedPorts.99 = Hex-STRING: FF FF FF FF FF FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 $ snmpget -r 1 -t 20 -v 2c -c private <switch> dot1qVlanStaticUntaggedPorts.99 Q-BRIDGE-MIB::dot1qVlanStaticUntaggedPorts.99 = Hex-STRING: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 I have tried netsnmp 5.4.1 and 5.7.2. Is there something I'm doing wrong?

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  • Is there anything wrong with disabling Teredo?

    - by Wayne Hartman
    Today while doing some routine maintenance I discovered that my internet-connected network adapter was using a 6to4 tunnel to connect to my ISP. Some self-eduction on Teredo seemed to indicate quite a few potential security vulnerabilities with using the protocol. I have disabled my network adapter from using Teredo and it doesn't seem to impact my gateway in any way. Is there anything I am missing that should encourage me to turn it back on?

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  • ASA 5505 Vlan question

    - by Wayne
    I am setting up a cisco asa 5505 with the base license. I can communicate from inside-outside, outside-inside, inside-home, which is my desired traffic security. I can get http, ssh, and other access from inside-home, but I can't ping from inside-home (192.168.110.0 host to 192.168.7.1 or 192.168.7.0 host). Can someone explain. My config is listed below interface Vlan1<br> nameif inside<br> security-level 100<br> ip address 192.168.110.254 255.255.255.0 <br> !<br> interface Vlan2<br> nameif outside<br> security-level 0<br> pppoe client vpdn group birdie<br> ip address removedIP 255.255.255.255 pppoe <br> !<br> interface Vlan3<br> no forward interface Vlan1<br> nameif home<br> security-level 50<br> ip address 192.168.7.1 255.255.255.0 <br> ! <br> interface Ethernet0/0<br> switchport access vlan 2<br> ! <br> interface Ethernet0/1<br> ! <br> interface Ethernet0/2<br> ! <br> interface Ethernet0/3<br> ! <br> interface Ethernet0/4<br> switchport access vlan 3<br> ! <br> interface Ethernet0/5<br> shutdown <br> ! <br> interface Ethernet0/6<br> shutdown <br> ! <br> interface Ethernet0/7<br> shutdown <br> ! <br> ftp mode passive<br> clock timezone EST -5<br> clock summer-time EDT recurring<br> access-list Outside-In extended permit icmp any any <br> access-list Outside-In extended permit tcp any any eq www <br> access-list Outside-In extended permit tcp any any eq https <br> access-list Outside-In extended permit tcp any any eq 5969 <br> access-list inside_nat0_outbound extended permit ip any 192.168.111.0 255.255.255.224 <br> access-list standardUser_splitTunnelAcl1 extended permit ip 192.168.111.0 255.255.255.0 any <br> access-list standardUser_splitTunnelAcl1 extended permit ip 192.168.110.0 255.255.255.0 <br>any access-list inside_in extended permit icmp any any <br> access-list inside_in extended permit ip any any <br> access-list home_in extended permit icmp any any <br> access-list home_in extended permit ip any any <br> pager lines 24<br> logging enable<br> logging asdm informational<br> mtu inside 1492<br> mtu outside 1492<br> mtu home 1500 <br> ip local pool vpnuser 192.168.111.5-192.168.111.20<br> icmp unreachable rate-limit 1 burst-size 1<br> asdm image disk0:/asdm-524.bin<br> no asdm history enable<br> arp timeout 14400<br> nat-control <br> global (outside) 1 interface<br> nat (inside) 0 access-list inside_nat0_outbound<br> nat (inside) 1 0.0.0.0 0.0.0.0<br> nat (home) 1 192.168.7.0 255.255.255.0<br> static (inside,outside) tcp interface https 192.168.110.6 https netmask 255.255.255.255 <br> static (inside,outside) tcp interface www 192.168.110.6 www netmask 255.255.255.255 <br> static (inside,outside) tcp interface 5969 192.168.110.12 5969 netmask 255.255.255.255 <br> static (inside,home) 192.168.110.0 192.168.110.0 netmask 255.255.255.0 <br> access-group inside_in in interface inside<br> access-group Outside-In in interface outside<br> access-group home_in in interface home<br> route outside 0.0.0.0 0.0.0.0 RemovedIP 1<br>

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  • MySQL "Host" permissions

    - by Wayne M
    Exactly what is the best way to configure this? I have a user account for a web app specified, but I also want to connect to the database via a GUI. The host is specified as % but the GUI tool repeatedly says access denied although I am using the proper password. If I change this to localhost then I can connect via the command line, but not via the GUI. If I add two entries, then I can connect via the command line and not the GUI. Leaving only the % doesn't let me connect via the command line OR the GUI. I want to be able to connect both on the actual server (via the web app itself) AND via the GUI tool.

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  • Is it possible to have zsh+keychain+tmux not ask for keys?

    - by Wayne Werner
    I'm using tmux and zsh, and I've recently been learning about ssh-agent and keychain. From the manpage for zsh, it says that it will source .zlogin only if the shell is, well, a login shell. Following advice I read, I stuck keychain --clear in my .zlogin, which worked perfectly. When I logged into the box I had to unlock my key. However, each time I create a new window in tmux, it clears/makes me re-add my key. This is a little annoying... but I can understand it if, in fact, each new tmux window is a login window. I haven't been able to find much help outside of the manpages on this topic. So is each new tmux window a login shell, or is there any way that I can make it not clear my keys only when I create a tmux window?

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  • Ubuntu Linux Utilities

    - by Wayne
    I've never used Ubuntu Linux before, but I am researching about the main system tools that are included, e.g. Windows has Disk Cleanup, Disk Defrag... but what does Ubuntu Linux have. I need to know what the main five utilities that are included on Ubuntu Linux and what do they do.

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  • Is there a way to download all google webfonts in web font formats

    - by wayne
    They simple just have ttf in the repository and i am looking for a less painful way then just do change the browser referrer and download them one by one. As far as i understand it the conversation, as described in the google wiki takes effort and steps to reduce filesize ... so i just can't batch convert them. I simple want the exact files that google serves browsers for localhost (without internet) use. woff, sot, svg ...

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  • Fresh Apache install can't be connected to

    - by Wayne M
    I've got to be missing something here. I have a brand new CentOS server with a LAMP install on it. My domain host (GoDaddy) has the server's IP address configured as the "A Record". Since the server will host subdomains I have enabled NameVirtualHost and set up a virtual host pointing to the web app on the server. I haven't touched anything else in Apache, and it's listening on Port 80 like it should be. However, I can't connect to the server either by DNS or by IP address. I've set up several servers exactly like this one and never run into this before. What could be causing this? Did someone on the host set up a firewall or something that blocks port 80? As I said, I can't connect to the server via anything, but it's a barebones box with LAMP installed on it.

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  • Multiple public keys for one user

    - by Russell
    This question is similar to SSH public key authentication - can one public key be used for multiple users? but it's the other way around. I'm experimenting on using ssh so any ssh server would work for your answers. Can I have multiple public keys link to the same user? What are the benefits of doing so? Also, can different home directories be set for different keys used (all of which link to the same user)? Please let me know if I'm unclear. Thanks.

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  • Dell 2155cdn Multifuntion Printer

    - by Wayne-Z
    Hey guys. So after a prolonged period, (overnight) i lose the ability to initiate a scan directly from the unit. I'll initiate a job and after awhile, it times out and beeps. However, when i go to the PC and initiate a scan from there, the scan job goes through just fine, and i can then initiate scans directly from the unit all day. Until a prolonged period (overnight). Then i have to do the process again. Ive made sure all powersave settings were off.. The PC doesnt go to sleep or a powersave state. Any insight into this will be appreciated. Pertinent Info: - Unit: Dell 2155cdn Multifunction - Connected via USB - PC: Dell Optiplex 755

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  • Windows 8.1 VPN Connection Crash

    - by Anthony Russell
    I am attempting to connect to a VPN that I have used for quite some time. I followed these instructions to setup my VPN on both my desktop and my surface pro Both my desktop and surface pro have all of the current updates for Windows 8.1. However, my surface pro connects to the VPN without issue and my desktop crashes when I attempt to do ANYTHING VPN related. If I Attempt to connect to a VPN it freezes and crashes without error as soon as I hit connect Attempt to remove a VPN it freezes and crashes without error as soon as I hit remove Attempt to connect to a newly created VPN it freezes and crashes without error as soon as I hit connect I have tried disabling all Windows Firewall proticols. I have tried disabling the Windows Defender antimalware shenanigans I have no other antimalware, virus or firewalls on this machine. I am at a loss on how to fix this so any insight is appreciated.

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  • Reccomendation for tuning 100's of SQL Databases

    - by wayne
    I'm running several SQL servers, each running a few hundred multi-gig databases for customers. They are all setup homogeneously as far as the schemas are concerned, however customer usages of the data differ quite a lot from database to database. What would be the best way to auto-index/profile/tune this large amount of databases? As there are at least 600 or more catalogs I cant have someone manually profile, and index as required by each databases usage patterns. I'm currently running SQL 2005 but will be moving to 2008, so solutions that work with either are fine.

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  • Can I get 4 screens running on an ATI Radeon HD 5700 series video card?

    - by Wayne
    I have successfully run 3 displays using the 5700, but i want to run a 4th screen off the HDMI Port. Mainly I would like it to Mirror the primary monitor onto the TV connected to the HDMI Port. Any help at all would be greatly appreciated. I can get a signal to it, i just have to disable one of my original 3 monitors. Im not willing to do that. So other than disabling one of my monitors, does anyone have any suggestions?

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