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  • View, Control, Instruct with iTalc

    <b>Linux.com:</b> "If you work in an educational or training environment where you instruct users on the ins and outs of using computers, or you need to be able to (for whatever reason) control the PC user's use of a machine, the tools available are often quite expensive or quite difficult to use. Neither is the case in the Linux environment, where tools like iTalc are available."

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  • CentOS Goes Commercial

    <b>Linux Planet:</b> "The market for CentOS Linux-based appliances continues growing, thanks in part to a new network-monitoring virtual appliance from GroundWork and commercial support services from OpenLogic."

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  • SimplyMEPIS 8.5 Review

    <b>Desktop Linux Reviews:</b> "The last time I looked at SimplyMEPIS was the 8.0 release. In this review I'll be taking a look at the latest version, SimplyMEPIS Linux 8.5. SimplyMEPIS is based on Debian, and it uses KDE as its desktop environment."

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  • Windows?? Oracle Database 11g Release 2 ? SAP ????????

    - by ?? ?
    2010?3?31??UNIX???Linux???????????????????????? 2010?6?9??Windows(32bit, x64)???????SAP??????????????? ?????Windows?2003?2008????????? ???ECC?????(7.02)??????????????? ??10g R2??????????????????11g R2????OK??????? (?????????UNIX/Linux/Windows??2010?????????)   SAP????? 1398634???????????????????????????????????? ??????PAM?????????????????????? SAP?????SAP/Oracle 11g???????????????????????????????

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  • Php 5.3.3. Access log

    - by irolla
    Hi I'm using php-fpm. In 5.3.2 when I'm opening phpinfo page in access log I get: ip - - [26/Aug/2010:16:35:32 +0400] "GET /phpinfo.php HTTP/1.1" 200 13322 "-" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5" But in 5.3.3 I'm getting: ip - - [26/Aug/2010:16:30:30 +0400] "GET /phpinfo.php HTTP/1.1" 200 11891 "-" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5" ip - - [26/Aug/2010:16:30:30 +0400] "GET /phpinfo.php?=PHPE9568F34-D428-11d2-A769-00AA001ACF42 HTTP/1.1" 200 2536 "http://site.com/phpinfo.php" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5" ip - - [26/Aug/2010:16:30:30 +0400] "GET /phpinfo.php?=SUHO8567F54-D428-14d2-A769-00DA302A5F18 HTTP/1.1" 200 2825 "http://site.com/phpinfo.php" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5" ip - - [26/Aug/2010:16:30:30 +0400] "GET /phpinfo.php?=PHPE9568F35-D428-11d2-A769-00AA001ACF42 HTTP/1.1" 200 2158 "http://site.com/phpinfo.php" "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5" Why there is 4 lines insted of 1? And what means "?=PHPE...". Is it PHP sessions? My php5.3.3 fpm config: [global] pid = /var/run/php5-fpm.pid error_log = /var/log/php5-fpm.log log_level = notice [pool_0] listen = 127.0.0.1:9000 listen.backlog = -1 listen.allowed_clients = 127.0.0.1 user = www-data group = www-data pm = dynamic pm.max_children = 50 pm.min_spare_servers = 5 pm.max_spare_servers = 35 pm.max_requests = 500 pm.status_path = /pool_0/status rlimit_files = 1024 rlimit_core = 0 catch_workers_output = yes php_admin_flag[register_globals] = true php_admin_value[error_reporting] = E_ALL & ~E_DEPRECATED php_admin_value[max_execution_time] = 15 php_admin_flag[short_open_tag] = true php_admin_flag[display_errors] = false

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  • Let other computer view my localhost over a network...

    - by Smickie
    Hi, I have apache and what not running on my local machine (mac), there also another mac on the local network. How does this other machine access my localhost? For example I have a local website at example.local.net in my vhost. How can another computer on the network navigate to this site? Cheers!

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  • 32-bit Ubuntu or 64-bit w/Intel Atom D510 w/4GB RAM?

    - by T.J. Crowder
    (I've seen this question and some related ones, and perhaps this is a duplicate although part of my question is specific to the Atom D510.) I'm going to be installing Ubuntu on a new silent desktop as my latest (and hopefully last) attempt to switch from Windows to Linux for at least most everyday tasks. The new machine is entirely passvely cooled, but as a consequence, not astonishingly powerful — an Atom D510 (dual-core, 1.6GHz, HT) on Intel's D510MO board. That's fine, I won't use it for gaming, (much) video editing, etc. It's a 64-bit processor and I'm maxing the board out at 4GB of RAM (hey, that 1.6 CPU needs all the help it can get), which naturally raises the question of whether to install Ubuntu 64-bit or 32-bit (and if the latter, either live with the missing RAM, or do the PAE kernel dance). Although I've used Linux on servers for years, I'm very nearly a Linux desktop newbie and am not currently in the mood to fight driver wars and such. So if I'm setting myself up for failure with 64-bit, I'll live with the missing ~0.8GB or fiddle with PAE. But if 64-bit is entirely "ready," great, I'm there. So: Do most mainstream apps (now) play nicely with 64-bit Linux? I can't help but notice the "AMD" in the ISO image filename ubuntu-10.04-desktop-amd64.iso and I know AMD lead the way on this stuff — does Ubuntu 64-bit play nicely with Intel processors? Just generally, would you recommend one or the other? (And if anyone has any experience with Ubuntu specifically on the D510 [32-bit or 64-bit] which might lead me one way or t'other, that would be useful.) Thanks in advance.

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  • Problems configuring an SSH tunnel to a Nexentastor appliance for use with headless Crashplan

    - by Rob Smallshire
    Problem I am attempting to configure an SSH tunnel to a NexentaStor appliance from either a Windows or Linux computer so that I can connect a Crashplan Desktop GUI to a headless Crashplan server running on the Nexenta box, according to these instructions on the Crashplan support site: Connect to a Headless CrashPlan Desktop. So far, I've failed to get a working SSH tunnel from from either either a Windows client (using Putty) or a Linux client (using command line SSH). I'm fairly sure the problem is at the receiving end with NexentaStor. A blog article - CrashPlan for Backup on Nexenta - indicates that it could be made to work only after "after enabling TCP forwarding in Nexenta in /etc/ssh/sshd_config" - although I'm not sure how to go about that or specifically what I need to do. Things I have tried Ensuring the Crashplan server on the Nexenta box is listening on port 4243 $ netstat -na | grep LISTEN | grep 42 127.0.0.1.4243 *.* 0 0 131072 0 LISTEN *.4242 *.* 0 0 65928 0 LISTEN Establishing a tunnel from a Linux host: $ ssh -L 4200:localhost:4243 admin:10.0.0.56 and then, from another terminal on the Linux host, using telnet to verify the tunnel: $ telnet localhost 4200 Trying ::1... Connected to localhost. Escape character is #^]'. with nothing more, although the Crashplan server should respond with something. From Windows, using PuTTY have followed the instructions on the Crashplan support site to establish an equivalent tunnel, but then telnet on Windows gives me no response at all and the Crashplan GUI can't connect either. The PuTTY log for the tunnelled connection shows reasonable output: ... 2011-11-18 21:09:57 Opened channel for session 2011-11-18 21:09:57 Local port 4200 forwarding to localhost:4243 2011-11-18 21:09:57 Allocated pty (ospeed 38400bps, ispeed 38400bps) 2011-11-18 21:09:57 Started a shell/command 2011-11-18 21:10:09 Opening forwarded connection to localhost:4243 but the telnet localhost 4200 command from Windows does nothing at all - it just waits with a blank terminal. On the NexentaStor server I've examined the /etc/ssh/sshd_config file and everything seems 'normal' - and I've commented out the ListenAddress entries to ensure that I'm listening on all interfaces. How can I establish a tunnel, and how can I verify that it is working?

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  • Xen hipervisor 4.1 Kernel Panic on Ubuntu 12.04

    - by rkmax
    I have a fresh Ubuntu 12.04.1 amd64 server install following this guide I have used LVM option used all disk and make 2 LV /dev/mapper/vg-root / (80GB) vg-swap swap (4GB) now i install xen with apt-get install xen-hypervisor-4.1-amd64 and config /etc/default/grub like the guide and add GRUB_CMDLINE_XEN_DEFAULT="dom0_mem=768M" later all this i exec update-grub and reboot. but when i try to boot with Xen 4.1-amd64 always i get a kernel panic with the message Domain-0 allocation is too small for kernel image my questions are: this error is about what? where i can grow this allocation for avoid this error? grub.cfg menuentry 'Ubuntu GNU/Linux, with Xen 4.1-amd64 and Linux 3.2.0-29-generic' --class ubuntu --class gnu-linux --class gnu --class os --class xen { insmod part_gpt insmod ext2 set root='(hd0,gpt2)' search --no-floppy --fs-uuid --set=root 3541e241-7f39-4ebe-8d99-c5306294c266 echo 'Loading Xen 4.1-amd64 ...' multiboot /xen-4.1-amd64.gz placeholder dom0_mem=768M echo 'Loading Linux 3.2.0-29-generic ...' module /vmlinuz-3.2.0-29-generic placeholder root=/dev/mapper/backup--xen-root ro rootdelay=180 echo 'Loading initial ramdisk ...' module /initrd.img-3.2.0-29-generic } Note: I've followed this guide too

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  • virsh XML interface allocation

    - by Kaushik Koneru
    I am trying to launch VM using a XML. This VM will be having 5 interfaces each connected to certain bridge. Issue here is allocation of these interfaces is random. My XML <interface type='bridge'> <mac address='52:54:00:9f:14:b3'/> <source bridge='br0'/> <target dev='vnet1'/> <model type='e1000'/> <alias name='net0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> <interface type='bridge'> <mac address='52:54:00:9f:14:b4'/> <source bridge='br1'/> <target dev='vnet2'/> <model type='e1000'/> <alias name='net1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x10' function='0x0'/> </interface> <interface type='bridge'> <mac address='52:54:00:9f:14:b5'/> <source bridge='br2'/> <target dev='vnet2'/> <model type='e1000'/> <alias name='net3'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x12' function='0x0'/> </interface> <interface type='bridge'> <mac address='52:54:00:9f:14:c4'/> <source bridge='br3'/> <target dev='vnet3'/> <model type='e1000'/> <alias name='net4'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x18' function='0x0'/> </interface> Allocation of interfaces are random mean e th6 will be connected to br3 ; eth7 -- br4 eth8 -- br2 eth9 -- br0. Is there any way to make it static?? At the same time is there anyway of assigning IP Address to these eth interfaces through XML file itself??

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  • How to burn rEfit .cdr or .dmg in ubuntu or windows?

    - by beemzet
    Hi all, I don't have mac installed on my macbook pro, but I have Ubuntu and Windows. I was following this website http://mac.linux.be/content/single-boot-linux-without-delay to boot faster into Ubuntu without a 30 second delay. But I can't even burn a rEfit cdr image. Do you know how to burn it? Thanks

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  • Why is user asked to choose their workgroup?

    - by Clinton Blackmore
    We running Mac OS X Server 10.5.8 with Mac OS X 10.5.8 clients. Students use network logins to, well, log in. I've been asked to deny internet access to a specific user. I was told that a good way to do it is to create a user workgroup called "No Internet Access" and manage settings there. (Specifically, I told parental controls to allow access to no sites, and blacklisted all the installed web browsers). Now, when the user authenticates to log in, they are greeted with this dialog: Workgroups for <username> Grade 7 Students No Internet Access It is unlikely that the student would willing choose "No Internet Access" to be their base group. Looking in Workgroup Manager at the student's record, it shows their primary group ID is the grade 7 group, and "No Internet Access" is listed as another group they belong to. I looked at the managed preferences for all the computers pertaining to logins. They are set to their defaults. Specifically, the computer groups' preference for Logins - Access has the defaults: [unchecked] Ignore workgroup nesting [checked] Combine available workgroup settings Based on my reading of Tips and Tricks for Mac Administrators, this should be correct, the user should not be asked which group they belong to, and settings from all applicable groups should be applied. How can I achieve that result? Edit: I've decided to add some additional information from the Tips and Tricks for Mac Management White Paper (via Apple in Education, via the author's site). On page 21, it says: With Leopard MCX, workgroup preference settings are combined by default into a single set of values. This means that instead of having to choose between the Math, Science, or Language Arts workgroups when logging in, a user can just authenticate and be taken directly to the desktop. All the settings for each of those workgroups are composited together, providing you with all the Dock items and a composite of all the other settings. On page 40, an example is given in which settings are combined from different 'domains', one computer group, two (user) workgroups, and one individual user's settings. [When johnd logs into a leopard client,] the items staged in the Dock from left to right are: computer group, first workgroup alphabetically, second workgroup, user. Items within the workgroup are staged alphabetically. Nowhere is there an indication that groups are nested; indeed, I can see no sensible (non-flat) heirarchy for groups like Math, Science, and Language Arts. I strongly believe that there is a way to apply settings from two unrelated user workgroups such that a user of OS X 10.5.x or newer does not need to choose their workgroup. This is what I seek to achieve.

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  • stunnel client uses improper SNI when talking to Apache

    - by Huckle
    I have stunnel listening on port 80 and acting as a client connecting to Apache listening on port 443. Configuration is below. What I'm finding is that if I attempt to connect to localhost:80 the connection is fine but if I connect to 127.0.0.1:80 When I check Apache's logs it indicates that stunnel is using localhost as the SNI both times, but the HTTP request lists localhost in one case and 127.0.0.1 in another. Is it possible to tell stunnel to either use whatever is in the HTTP request or to somehow configure two clients each with different SNI values? stunnel.conf: debug = 7 options = NO_SSLv2 [xmlrpc-httpd] client = yes accept = 80 connect = 443 Apache error.log: [error] Hostname localhost provided via SNI and hostname 127.0.0.1 provided via HTTP are different Apache access.log: "GET / HTTP/1.1" 200 2138 "-" "Wget/1.13.4 (linux-gnu)" "GET / HTTP/1.1" 400 743 "-" "Wget/1.13.4 (linux-gnu)" wget: $wget -d localhost ---request begin--- GET / HTTP/1.1 User-Agent: Wget/1.13.4 (linux-gnu) Accept: */* Host: localhost Connection: Keep-Alive ---request end--- $wget -d 127.0.0.1 ---request begin--- GET / HTTP/1.1 User-Agent: Wget/1.13.4 (linux-gnu) Accept: */* Host: 127.0.0.1 Connection: Keep-Alive ---request end--- edit: Apache Config Nothing out of the ordinary, it's just a virtual host listening to 443 <VirtualHost *:443>

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  • Black Screen and System Hang - Possibly CPU overheating

    - by Mahesh
    I have this old computer - P4 2.0ghz, 1.2GB RAM and onboard graphics(no external card), 80GBHDD. It has xubuntu installed on it and it regularly hangs when it takes more system resources for say like graphical programs, too many tabs on firefox etc. It just either hangs the system or shows black screen. Tested if it was issue of HD but it wasn't because i have used linux livecd and problem is still the same even if I have removed the HD. I have also tested with USB linux (puppy linux and ubuntu linux on 8gb drives). Tested windows XP as well on this HD and results are the same. Tested another HD on this machine, results are still the same with it. System hangs or goes black screen and requires restart. I thought later it could be thermal heat issue and then applied thermal paste on heatsink but still it fails to work for me. It continues to show symptoms. Another thing which was yet to be tested is changing of CPU fan which was not done because I have not found any fan for old pentium 4 machine in the market. I have to hit online stores (but i am in india and it's hard to find it in online shops which can deliver it to me). So far I don't see this as HD or Monitor or OS issue because I have tested with other HD and results are the same. So it could be either CPU fan or motherboard? What could be possible issue with the hardware?

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  • Tips on setting up a virtual lab for self-learning networking topics

    - by Harry
    I'm trying to self-learn the following topics on Linux (preferably Fedora): Network programming (using sockets API), especially across proxies and firewalls Proxies (of various kinds like transparent, http, socks...), Firewalls (iptables) and 'basic' Linux security SNAT, DNAT Network admininstration power tools: nc, socat (with all its options), ssh, openssl, etc etc. Now, I know that, ideally, it would be best if I had 'enough' number of physical nodes and physical network equipment (routers, switches, etc) for this self-learning exercise. But, obviously, don't have the budget or the physical space, nor want to be wasteful -- especially, when things could perhaps be simulated/emulated in a Linux environment. I have got one personal workstation, which is a single-homed Fedora desktop with 4GB memory, 200+ GB disk, and a 4-core CPU. I may be able to get 3 to 4 additional low-end Fedora workstations. But all of these -- including mine -- will always remain strictly behind our corporate firewall :-( Now, I know I could use VirtualBox-based virtual nodes, but don't know if there are any better alternatives disk- and memory- footprint-wise. Would you be able to give me some tips or suggestions on how to get started setting up this little budget- and space-constrained 'virtual lab' of mine? For example, how would I create virtual routers? Has someone attempted this sort of thing before: namely, creating a virtual network lab behind a corporate firewall for learning/development/testing purposes? I hope my question is not vague or too open-ended. Basically, right now, I don't know how to best leverage the Linux environment and the various 'goodies' it comes with, and buying physical devices only when it is absolutely necessary.

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  • How do I switch java versions to an earlier version in Fedora 17?

    - by JHutson456
    I just installed Fedora 17. I'm setting up the Android Build Environment and need Java. I downloaded and installed jdk-6u32-linux-amd64.rpm I ran java -version and it spit out the correct version. Well a day or two later i tried my first compile in Fedora 17 and it complained about java and failed. I ran java -version again and low and behold it spits out $ java -version java version "1.7.0_03-icedtea" OpenJDK Runtime Environment (fedora-2.1.fc17.7-x86_64) OpenJDK 64-Bit Server VM (build 22.0-b10, mixed mode) I'm stumped. I mean, i've run the update/upgrade commands since i installed but i didn't think that updated full version revisions... So, I ran alternatives --config java and that only gave me the java 1.7 version. While digging around more I discovered that the recommended version of Java for the build environment is jdk-6u27-linux-x64-rpm.bin so I downloaded that from here: Oracle Download When I ran: sudo sh jdk-6u27-linux-x64-rpm.bin it returned: Unpacking... Checksumming... Extracting... UnZipSFX 5.50 of 17 February 2002, by Info-ZIP ([email protected]). inflating: jdk-6u27-linux-amd64.rpm inflating: sun-javadb-common-10.6.2-1.1.i386.rpm inflating: sun-javadb-core-10.6.2-1.1.i386.rpm inflating: sun-javadb-client-10.6.2-1.1.i386.rpm inflating: sun-javadb-demo-10.6.2-1.1.i386.rpm inflating: sun-javadb-docs-10.6.2-1.1.i386.rpm inflating: sun-javadb-javadoc-10.6.2-1.1.i386.rpm Preparing... ########################################### [100%] package jdk-2000:1.6.0_32-fcs.x86_64 (which is newer than jdk-2000:1.6.0_27-fcs.x86_64) is already installed Done. so now I'm confused. I ran: alternatives --config java again but it's still only returning 1.7 so I don't know what to do.I want to end up with 6u27 as the installed and functional version of the JDK. Thank you.

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  • HP to Cisco spanning tree root flapping

    - by Tim Brigham
    Per a recent question I recently configured both my HP (2x 2900) and Cisco (1x 3750) hardware to use MSTP for interoperability. I thought this was functional until I applied the change to the third device (HP switch 1 below) at which time the spanning tree root started flapping causing performance issues (5% packet loss) between my two HP switches. I'm not sure why. HP Switch 1 A4 connected to Cisco 1/0/1. HP Switch 2 B2 connected to Cisco 2/0/1. HP Switch 1 A2 connected to HP Switch 2 A1. I'd prefer the Cisco stack to act as the root. EDIT: There is one specific line - 'spanning-tree 1 path-cost 500000' in the HP switch 2 that I didn't add and was preexisting. I'm not sure if it could have the kind of impact that I'm describing. I'm more a security and monitoring guy then networking. EDIT 2: I'm starting to believe the problem lies in the fact that the value for my MST 0 instance on the Cisco is still at the default 32768. I worked up a diagram: This is based on every show command I could find for STP. I'll make this change after hours and see if it helps. Cisco 3750 Config: version 12.2 spanning-tree mode mst spanning-tree extend system-id spanning-tree mst configuration name mstp revision 1 instance 1 vlan 1, 40, 70, 100, 250 spanning-tree mst 1 priority 0 vlan internal allocation policy ascending interface TenGigabitEthernet1/1/1 switchport trunk encapsulation dot1q switchport mode trunk ! interface TenGigabitEthernet2/1/1 switchport trunk encapsulation dot1q switchport mode trunk ! interface Vlan1 no ip address ! interface Vlan100 ip address 192.168.100.253 255.255.255.0 ! Cisco 3750 show spanning tree: show spanning-tree MST0 Spanning tree enabled protocol mstp Root ID Priority 32768 Address 0004.ea84.5f80 Cost 200000 Port 53 (TenGigabitEthernet1/1/1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32768 (priority 32768 sys-id-ext 0) Address a44c.11a6.7c80 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ------------------- ---- --- --------- -------- -------------------------------- Te1/1/1 Root FWD 2000 128.53 P2p MST1 Spanning tree enabled protocol mstp Root ID Priority 1 Address a44c.11a6.7c80 This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 1 (priority 0 sys-id-ext 1) Address a44c.11a6.7c80 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ------------------- ---- --- --------- -------- -------------------------------- Te1/1/1 Desg FWD 2000 128.53 P2p Cisco 3750 show logging: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to down %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan100, changed state to down %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan100, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to down %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up HP Switch 1: ; J9049A Configuration Editor; Created on release #T.13.71 vlan 1 name "DEFAULT_VLAN" untagged 1-8,10,13-16,18-23,A1-A4 ip address 100.100.100.17 255.255.255.0 no untagged 9,11-12,17,24 exit vlan 100 name "192.168.100" untagged 9,11-12,17,24 tagged 1-8,10,13-16,18-23,A1-A4 no ip address exit vlan 21 name "Users_2" tagged 1,A1-A4 no ip address exit vlan 40 name "Cafe" tagged 1,4,7,A1-A4 no ip address exit vlan 250 name "Firewall" tagged 1,4,7,A1-A4 no ip address exit vlan 70 name "DMZ" tagged 1,4,7-8,13,A1-A4 no ip address exit spanning-tree spanning-tree config-name "mstp" spanning-tree config-revision 1 spanning-tree instance 1 vlan 1 40 70 100 250 password manager password operator HP Switch 1 show spanning tree: show spanning-tree Multiple Spanning Tree (MST) Information STP Enabled : Yes Force Version : MSTP-operation IST Mapped VLANs : 2-39,41-69,71-99,101-249,251-4094 Switch MAC Address : 0021f7-126580 Switch Priority : 32768 Max Age : 20 Max Hops : 20 Forward Delay : 15 Topology Change Count : 363,490 Time Since Last Change : 14 hours CST Root MAC Address : 0004ea-845f80 CST Root Priority : 32768 CST Root Path Cost : 200000 CST Root Port : 1 IST Regional Root MAC Address : 0021f7-126580 IST Regional Root Priority : 32768 IST Regional Root Path Cost : 0 IST Remaining Hops : 20 Root Guard Ports : TCN Guard Ports : BPDU Protected Ports : BPDU Filtered Ports : PVST Protected Ports : PVST Filtered Ports : | Prio | Designated Hello Port Type | Cost rity State | Bridge Time PtP Edge ----- --------- + --------- ---- ---------- + ------------- ---- --- ---- A1 | Auto 128 Disabled | A2 10GbE-CX4 | 2000 128 Forwarding | 0021f7-126580 2 Yes No A3 10GbE-CX4 | Auto 128 Disabled | A4 10GbE-SR | Auto 128 Disabled | HP Switch 1 Logging: I removed the date / time fields since they are inaccurate (no NTP configured on these switches) 00839 stp: MSTI 1 Root changed from 0:a44c11-a67c80 to 32768:0021f7-126580 00839 stp: MSTI 1 Root changed from 32768:0021f7-126580 to 0:a44c11-a67c80 00842 stp: MSTI 1 starved for an MSTI Msg Rx on port A4 from 0:a44c11-a67c80 00839 stp: MSTI 1 Root changed from 0:a44c11-a67c80 to 32768:0021f7-126580 00839 stp: MSTI 1 Root changed from 32768:0021f7-126580 to 0:a44c11-a67c80 00839 stp: MSTI 1 Root changed from 0:a44c11-a67c80 to ... HP Switch 2 Configuration: ; J9146A Configuration Editor; Created on release #W.14.49 vlan 1 name "DEFAULT_VLAN" untagged 1,3-17,21-24,A1-A2,B2 ip address 100.100.100.36 255.255.255.0 no untagged 2,18-20,B1 exit vlan 100 name "192.168.100" untagged 2,18-20 tagged 1,3-17,21-24,A1-A2,B1-B2 no ip address exit vlan 21 name "Users_2" tagged 1,A1-A2,B2 no ip address exit vlan 40 name "Cafe" tagged 1,13-14,16,A1-A2,B2 no ip address exit vlan 250 name "Firewall" tagged 1,13-14,16,A1-A2,B2 no ip address exit vlan 70 name "DMZ" tagged 1,13-14,16,A1-A2,B2 no ip address exit logging 192.168.100.18 spanning-tree spanning-tree 1 path-cost 500000 spanning-tree config-name "mstp" spanning-tree config-revision 1 spanning-tree instance 1 vlan 1 40 70 100 250 HP Switch 2 Spanning Tree: show spanning-tree Multiple Spanning Tree (MST) Information STP Enabled : Yes Force Version : MSTP-operation IST Mapped VLANs : 2-39,41-69,71-99,101-249,251-4094 Switch MAC Address : 0024a8-cd6000 Switch Priority : 32768 Max Age : 20 Max Hops : 20 Forward Delay : 15 Topology Change Count : 21,793 Time Since Last Change : 14 hours CST Root MAC Address : 0004ea-845f80 CST Root Priority : 32768 CST Root Path Cost : 200000 CST Root Port : A1 IST Regional Root MAC Address : 0021f7-126580 IST Regional Root Priority : 32768 IST Regional Root Path Cost : 2000 IST Remaining Hops : 19 Root Guard Ports : TCN Guard Ports : BPDU Protected Ports : BPDU Filtered Ports : PVST Protected Ports : PVST Filtered Ports : | Prio | Designated Hello Port Type | Cost rity State | Bridge Time PtP Edge ----- --------- + --------- ---- ---------- + ------------- ---- --- ---- A1 10GbE-CX4 | 2000 128 Forwarding | 0021f7-126580 2 Yes No A2 10GbE-CX4 | Auto 128 Disabled | B1 SFP+SR | 2000 128 Forwarding | 0024a8-cd6000 2 Yes No B2 | Auto 128 Disabled | HP Switch 2 Logging: I removed the date / time fields since they are inaccurate (no NTP configured on these switches) 00839 stp: CST Root changed from 32768:0021f7-126580 to 32768:0004ea-845f80 00839 stp: IST Root changed from 32768:0021f7-126580 to 32768:0024a8-cd6000 00839 stp: CST Root changed from 32768:0004ea-845f80 to 32768:0024a8-cd6000 00839 stp: CST Root changed from 32768:0024a8-cd6000 to 32768:0004ea-845f80 00839 stp: CST Root changed from 32768:0004ea-845f80 to 32768:0024a8-cd6000 00435 ports: port B1 is Blocked by STP 00839 stp: CST Root changed from 32768:0024a8-cd6000 to 32768:0021f7-126580 00839 stp: IST Root changed from 32768:0024a8-cd6000 to 32768:0021f7-126580 00839 stp: CST Root changed from 32768:0021f7-126580 to 32768:0004ea-845f80

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  • How do you monitor SSD wear in Windows when the drives are presented as 'generic' devices?

    - by MikeyB
    Under Linux, we can monitor SSD wear fairly easily with smartmontools whether the drive is presented as a normal block device or a generic device (which happens when the drive has been hardware RAIDed by certain controllers such as the one on the IBM HS22). How can we do the equivalent under Windows? Does anyone actually use smartmontools? Or are there other packages out there? The problem is that SCSI Generic devices just don't show up in Windows. If the drives aren't RAIDed we can see them fine. How I'd do it in Linux: sles11-live:~ # lsscsi -g [1:0:0:0] disk SMART USB-IBM 8989 /dev/sda /dev/sg0 [2:0:0:0] disk ATA MTFDDAK256MAR-1K MA44 - /dev/sg1 [2:0:1:0] disk ATA MTFDDAK256MAR-1K MA44 - /dev/sg2 [2:1:8:0] disk LSILOGIC Logical Volume 3000 /dev/sdb /dev/sg3 sles11-live:~ # smartctl -l ssd /dev/sg1 smartctl 5.42 2011-10-20 r3458 [x86_64-linux-2.6.32.49-0.3-default] (local build) Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net Device Statistics (GP Log 0x04) Page Offset Size Value Description 7 ===== = = == Solid State Device Statistics (rev 1) == 7 0x008 1 26~ Percentage Used Endurance Indicator |_ ~ normalized value sles11-live:~ # smartctl -l ssd /dev/sg2 smartctl 5.42 2011-10-20 r3458 [x86_64-linux-2.6.32.49-0.3-default] (local build) Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net Device Statistics (GP Log 0x04) Page Offset Size Value Description 7 ===== = = == Solid State Device Statistics (rev 1) == 7 0x008 1 3~ Percentage Used Endurance Indicator |_ ~ normalized value

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  • Samba between Ubuntu server 10.10 and Windows Vista, Windows 7

    - by chepukha
    Hi all, I have a linux box running Linux server ubuntu 10.10. I have installed Samba on this linux box and want to share files with my laptops which run Windows Vista home and Windows 7 home. I have been struggling with the setup for almost a month but couldn't get it right. If I try to access share folder from Windows Vista, I get message "Windows cannot access \\server_ip_address". Error code: 0x80070035. The network path was not found. If I access from Windows 7, then after entering password to login I can see the list of share folders on Linux box. But if I click on a share folder, I get the same error message as above. Tail /var/log/samba/log.windows7-pc I got the following message: [2011/03/16 00:17:41.427238, 0] smbd/service.c:988(make_connection_snum) canonicalize_connect_path failed for service sharemedia, path /root/sharemedia Here is my setting in smb.conf [global] share modes = yes netbios name = Samba workgroup = WORKGROUP wins support = yes encrypt passwords = true [sharemedia] comment = Tesing sharing using Samba path=/root/sharemedia/ public = yes valid users = samba_usr_name ; make sure all files are sensible permissions create mask = 0660 force create mask = 0660 directory mask = 2770 force directory mask = 2770 directory security mask = 0000 ; Normal share parameters read only = no browseable = yes writable = yes guest ok = no

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  • Sharing mobile broadband between two MacBooks [closed]

    - by Poita_
    Possible Duplicates: Is there a software alternative to Mac OS X built in internet sharing services? How to troubleshoot problems sharing internet connection via WiFi on Mac OS X Me and my wife both have MacBooks (one regular, one MackBook Pro). We're staying in temporary accommodation with no internet so we got one of those mobile broadband USB dongles. We only have one (dongle) and were just wondering if there was anyway we can share the internet connection between the two MacBooks. Thanks in advance.

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  • What are some of the best wireless routers for a price-conscious home power-user?

    - by Alain
    I'm extremely dissatisfied with the 'popular' choice for routers in homes and small offices. They are expensive (upwards of 60$), lack a great deal of useful configuration options, and seem to need to be restarted quite often. (Linksys comes to mind). I've been on the market for a good router lately, and slowly collecting a set of requirements I feel good routers should meet. Maximum number of TCP/IP connections. - This isn't something I see any routers advertise, but in terms of supporting torrent applications, I've been screwed by routers that support less than 20 here. From what I understand a fairly standard number is 200, but there are not so expensive routers that support thousands. Router configuration menu - Most have standard menu's that let you set up basic things like your wireless network encryption settings, uPnP, and maybe even DMZ (demilitarized zones). An absolute requirement for me, however, are routers with good enough firmware to support: Explicit Port forwarding Assigning static local ips to specific mac addresses, or at least Port forwarding by MAC address Port, IP and MAC filtering Dynamic DNS service for home users who want to set up a server but have a dynamic IP Traffic shaping (ideally) - giving priority to packets from certain machines or over certain ports. Strong wireless signal - If getting a reliable signal requires me to be so close to the router that I can connect an Ethernet cable, it's not good enough. As many Ethernet ports as possible. - Because I want to be able to switch from console gaming to PC gaming without visiting my router. So far, the best thing I've stumbled upon (in the bargain bin at staples) was a 20$ retail plus router. It was meant to be the cheapest alternative until I could find something better to purchase online, but I was actually blown away by the firmware capabilities. It supports defining reserved bandwidth for certain network traffic, dynamic DNS, reserving local IPs for specific MAC addresses, etc. At 2 am when my roommate is killing our Internet with their torrents, I can limit their bandwidth without outright blacklisting them. I have, however, met serious limitations when it comes to network traffic between local machines. It claims a 300Mbps connection, but I have trouble streaming videos from my PC to my console or other laptops wirelessly. It has a meltdown and needs to be reset once in a while (no more than a couple times a month), and it's got a 200 connection limit. There 4 Ethernet ports in the back but I'm pretty sure the first doesn't work. So some great answers to this question would be: Any metrics you use to compare routers, and requirements you have for new candidates. The best routers you've found for supporting home servers, file management systems, high volume torrent traffic, good price/feature ratio, etc. Good configuration advice (aside from 'use Ethernet whenever possible') Thanks for your feedback and experiences!

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