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  • Login box not shown on Ubuntu

    - by Alexandre
    Hi, I've installed Ubuntu 10.04 (64bit) as a guest OS in VirtualBox, using Windows7 Professional (64bit) as host. After Ubuntu install, I did installed Xfce4 (sudo apt-get install xfce4). Logged in using a Xfce session, and when I logged out, I couldn't see the login box anymore, only the regular gnome background from login screen. Then I restarted the virtual machine, and now I'm not able to see the login box anymore, only the gnome background. Does someone knows how to solve this? Thanks in advance

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  • how to mount a partition inside a partition

    - by facha
    Hello, everyone I have a block device (/dev/sda5) that has been partitioned inside by a virtual machine. So, when I look inside with fdisk /dev/sda5, I see: sda5p1 sda5p2 and so on. Is it possible to mount them on my host system? Thanks in advance.

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  • mysql master-master setup as a way to simply master-slave promotion

    - by Chris Go
    I'm trying to see if the following plan is viable. Goal here is to be able to do HA (uptime) and not necessarily for load -- writes are fine on one MySQL 5.5 server (with innodb) but not really possible when the database is down. Currently, I have a master-slave replication setup which works fine except it doesn't have automatic promotion (obviously). what I am planning on doing is setup master-master replication to possibly do this "automatic promotion" using Amazon Route 53 DNS Failover (Health checks). What I am trying to avoid is to NOT have to do the auto-increment trick because the "business folks" got used to the auto-incrementing PK as consecutive numbers (yeah, I know this is bad but data is from 2004). So, setup the master-master replication WITHOUT the auto-increment collision prevention bit. The primary master is db1.domain.com and secondary master is db2.domain.com In Amazon Route 53, setup DNS Failover record for db.domain.com - primary failover is db1.domain.com - with a TCP healthcheck on IP address port 3306 - secondary failover is db2.domain.com - with a TCP healthcheck on IP address port 3306 Most of the time (99%), unless tcp://db1.domain.com:3306 is dead, db1.domain.com will be served up on DNS hits to db.domain.com. In fact, hopefully this is 100%. The possible downsides of this is the loss of a primary key (collision) and I think I am OK with losing one order. We are a low data volume B2B business and can just call our client up if this occurs (like an order disappearing). Does this sound like a good plan? Then I will also run another slave replication on db1.domain.com as "master" to a slave-db1.domain.com -- not sure why, maybe for heavy SELECTs?

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  • Running Untangle on Virtualbox as a Transparent Bridge

    - by user38697
    I am setting up Untangle in a Sun VirtualBox VM. I plan on using this machine as a transparent bridge to filter and monitor traffic on my network. I'm not sure how to configure the network adapters for the virtual machine under the Virtualbox's "Devices" menu so that it will function as a transparent bridge. I guess what I'm asking is, should both adapter 1 & 2 be set as Bridged adapters or what? Any help is greatly appreciated.

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  • Overlapping dual monitors

    - by Manny
    I have dual monitor setup and I was wondering if there's a way to specifiy an overlap between the 2 displays. Ideally, the area where the 2 monitors cross over would be repeated on both monitors (ven diagram-ish). Currently the display settings can only work when they're adjacent. On a side note, is it possible to seperate the monitors so that there's an assumed space between the displays? I'm currently running windows 7.

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  • Use Windows/Mac MySQL GUI over SSH Tunnel

    - by Marcin
    I am working on a client's website and he has hosting through 1and1. They don't allow connecting directly to their mySQL server from anywhere. I can't for instance load up a mySQL GUI on windows and just connect and work on the databases, it says host not found. His hosting account on the other hand is given access to the mySQL server even though it is in a different location. Let's say these are the servers I'm working with: His main hosting: Address: thehost.com Username: joe His mySQL server: Address: mysqlserver.com Port: 3306 Database: thedata User: dbouser The main hosting account he has comes with SSH. So if I SSH into thehost.com on port 22 and then use the mysql command to connect to mysqlserver.com, it works. I have tried to set up SSH tunneling but the problem is that it's not the mySQL server that has SSH allowed, it's the main hosting. How do I set up SSH Tunneling on both a Mac and a Windows machine so that I can run any GUI I want and I will be able to connect to the mysqlserver.com server. All based on the information above that SSH access is to thehost.com only, and thehost.com itself can connect to mysqlserver.com.

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  • How to configure postfix for per-sender SASL authentication

    - by Marwan
    I have two gmail accounts, and I want to configure my local postfix server as a client which does SASL authentication with smtp.gmail.com:587 with credentials that depend on the sender address. So, let's say that my gmail accounts are: [email protected] and [email protected]. If I sent a mail with [email protected] in the FROM header field, then postfix should use the credentials: [email protected]:psswd1 to do SASL authentication with gmail SMTP server. Similarly with [email protected], it should use [email protected]:passwd2. Sounds fairly simple. Well, I followed the postfix official documentation at http://www.postfix.org/SASL_README.html, and I ended up with the following relevant configurations: /etc/postfix/main.cf smtp_sasl_auth_enable = yes smtp_sasl_security_options = noanonymous smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sender_dependent_authentication = yes sender_dependent_relayhost_maps = hash:/etc/postfix/sender_relay smtp_tls_security_level = secure smtp_tls_CAfile = /etc/ssl/certs/Equifax_Secure_CA.pem smtp_tls_CApath = /etc/ssl/certs smtp_tls_session_cache_database = btree:/etc/postfix/smtp_scache smtp_tls_session_cache_timeout = 3600s smtp_tls_loglevel = 1 tls_random_source = dev:/dev/urandom relayhost = smtp.gmail.com:587 /etc/postfix/sasl_passwd [email protected] [email protected]:passwd1 [email protected] [email protected]:passwd2 smtp.gmail.com:587 [email protected]:passwd1 /etc/postfix/sender_relay [email protected] smtp.gmail.com:587 [email protected] smtp.gmail.com:587 After I'm done with the configurations I did: $ postmap /etc/postfix/sasl_passwd $ postmap /etc/postfix/sender_relay $ /etc/init.d/postfix restart The problem is that when I send a mail from [email protected], the message ends up in the destination with sender address [email protected] and NOT [email protected], which means that postfix always ignores the per-sender configurations and send the mail using the default credentials (the third line in /etc/postfix/sasl_passwd above). I checked the configurations multiple times and even compared them to those in various blog posts addressing the same issue but found them to be more or less the same as mine. So, can anyone point me in the right direction, in case I'm missing something? Many thanks.

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  • Can connect through Watchguard mobile VPN, but can't ping or access network drives

    - by johnnyb10
    We're having any issue in which some of our employess can no longer connect to our network drives when out of the office. We use Watchguard Mobile VPN (we have a Watchguard Firebox firewall) and the users are able to connect. That is, their status in the the VPN client says "Connected" and they have the correct IP address listed as the VPN Endpoint. The problem is, when they try to map drives, or even ping the IP address of a server on our network, it fails. Last week, we temporarily switched one of our Comcast modems to our backup DSL modem because the Comcast was accidentally shut off by Comcast, and the problem seemed to start around then. We've since switched back and the problem persists, so that doesn't seem to have been it (which makes sense). But we also made other changes at the time that might have thrown something off, although we feel like we've checked them all. Plus, some people can successfully connect to network drives through the VPN. Can someone please suggest some steps to help troubleshoot? We've checked the policies on our Watchguard box, and they seem fine. We've looked at the settings on the Mobile VPN client, but nothing seems like a probable cause. Thanks.

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  • one step Bugzilla installation

    - by Martin
    I'm looking into installing Bugzilla either on a Windows or Linux box. Bugzilla requires a bunch of packages (apache, sql, mail sending?). Does anyone know of a pre-packaged installer which includes most common options or a linux virtual machine image?

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  • Oracle® Database Express Edition roblem running on Win Server 2003 with MS SQl Server 2008 [closed]

    - by totoz
    Hi I have on Win Server 2003 MS SQL Server 2008 and also IIS is running. I try learn Oracle, so first I installed Oracle® Database Express Edition. I tried connect viac web browser on Oracle Server on url http://127.0.0.1:8080/apex I got this expcetion in browser The page cannot be found The page you are looking for might have been removed, had its name changed, or is temporarily unavailable. Please try the following: Make sure that the Web site address displayed in the address bar of your browser is spelled and formatted correctly. If you reached this page by clicking a link, contact the Web site administrator to alert them that the link is incorrectly formatted. Click the Back button to try another link. HTTP Error 404 - File or directory not found. Internet Information Services (IIS) Technical Information (for support personnel) Go to Microsoft Product Support Services and perform a title search for the words HTTP and 404. Open IIS Help, which is accessible in IIS Manager (inetmgr), and search for topics titled Web Site Setup, Common Administrative Tasks, and About Custom Error Messages. Why I can not log on Oracle Home Page?

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  • ICMP Redirect Theory VS. Application

    - by joeqwerty
    I'm trying to watch ICMP redirects in a lab using Cisco Packet Tracer (version 5.3.2) and I'm not seeing them, which leads me to believe that either my lab configuration isn't correct or my understanding of ICMP redirects isn't correct or that Packet Tracer doesn't support/use ICMP redirects. Here's what I believe to be true regarding ICMP redirects: Routers send ICMP redirects when all of these conditions are met: The interface on which the packet comes into the router is the same interface on which the packet gets routed out. The subnet or network of the source IP address is on the same subnet or network of the next-hop IP address of the routed packet. The datagram is not source-routed. The router kernel is configured to send redirects. I have the lab set up in Cisco Packet Tracer as displayed in the image and would expect to see an ICMP redirect from Router1 when pinging from PC1 to PC3. I'm not seeing the ICMP redirect and it looks like Router1 is actually routing all of the packets via Router2. I have IP ICMP debugging enabled on Router1 (and Router2) and I'm not seeing any ICMP redirect activity in either console. I'm also not seeing a route to the PC3 network in the routing table on PC1, which I think confirms that the ICMP redirect is not occurring. I'm using only static routing on Routers 1 and 2. Is my understanding of ICMP redirects incorrect, or is there a problem with my lab configuration or does Packet Tracer not support/use ICMP redirects?

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  • Gmail: security warning icon

    - by Notetaker
    Hello, I just enabled some Gmail Labs programs in my Gmail account, and then I noticed the orange triangle icon with an exclamation mark in it at the end of the address bar of my Google Chrome browser. Clicking on it brought forth a "Security Information' dialog box, with the following messages: "--mail.google.com The identity of website has been verified by Thawlte SGC CA. --Your connection to mail.google.com is encrypted with 128-bit encryption. However, this page includes other resources which are not secure. These resources can be viewed by others while in transit, and can be modified by an attacker to change the look or behavior of the page." I then logged into two of my other Gmail accounts, one of which has no Gmail Labs programs enabled, and the other with 1 program enabled quite some time ago, both with the same result as above (i.e., with the appearance of the orange triangle warning sign in the address bar). I don't remember seeing the orange triangle before, but I'm not sure if it has ever appeared or not. I have "Always use https" enabled for my Gmail accounts. My questions are: Is there a way to identify and remove these un-secure "resources"? (Could enabling Gmail Labs programs have brought these on?) Meanwhile, are my Gmail accounts compromised and unsafe to use? If so, what should I being doing about that now? After this problem is solved, would I need to reset the password to my Gmail accounts, and/or take any other measures to restore their security? Many thanks for answering my questions!

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  • How to configure Apache and Tomcat with vhosts?

    - by Umar Farooq Khawaja
    I have a server with a static, public IP address. I also have a registered domain name. For the sake of illustration, let's suppose they are IP Address: 12.34.56.78 Domain Name: example.com I have a single machine on which I am running the following: A website (over IIS7) available locally at localhost:80 A JetBrains TeamCity instance (over Tomcat) available locally at localhost:1234 A VisualSVN Server instance (over Apache) available locally at localhost:5678/svn I have set up an A record for example.com and the following CNAME records: www.example.com builds.example.com sources.example.com I would like to configure Tomcat and Apache such that: if I point my browser at builds.example.com, I end up at the JetBrains TeamCity instance and, if I point my browser at sources.example.com, I end up at the VisualSVN Server instance. I thought I could configure the Apache to vhost example.com:5678/svn to point to sources.example.com and added the following lines to the Apache httpd.conf file Listen 5678 NameVirtualHost *:5678 <VistualHost *:5678> ServerName sources.example.com DocumentRoot /svn </virtualHost> That broke the VisualSVN instance, so I had to revert that to Listen 5678 Help!

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  • Internet Forwarding With Qemu?

    - by ConfusedGuy
    I'm using kvm and qemu to run a windows virtual machine, but I'm trying to get internet on that machine. I've been reading about all this bridging and stuff that is done to do that, but I was wondering if there was a simpler way, to just forward my internet connection (since I'm connected on the host machine) through qemu to the guest operating system. Is this possible? Thanks

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  • Unable to connect Xend with virt-manager

    - by Majid Azimi
    I have installed debian 6.0.1a. I have install all XEN stuff. including xen kernel, libvirtd, ... but when i want to connect xend, virt-manager shows me this: Verify that: A Xen host kernel was booted The Xen service has been started details: Unable to open connection to hypervisor URI 'xen:///': unable to connect to '/var/run/libvirt/libvirt-sock', libvirtd may need to be started: Permission denied Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/connection.py", line 971, in _try_open None], flags) File "/usr/lib/python2.6/dist-packages/libvirt.py", line 111, in openAuth if ret is None:raise libvirtError('virConnectOpenAuth() failed') libvirtError: unable to connect to '/var/run/libvirt/libvirt-sock', libvirtd may need to be started: Permission denied here is uname output: Linux debian 2.6.32-5-xen-amd64 #1 SMP Tue Mar 8 00:01:30 UTC 2011 x86_64 GNU/Linux and also xend and libvirtd is runnig: root@debian:/home/mazimi# /etc/init.d/libvirt-bin status Checking status of libvirt management daemon: libvirtd running. root@debian:/home/mazimi# /etc/init.d/xend start Starting Xen daemons: xenstored xenconsoled xend. permissions for livbirt-sock: root@debian:/home/mazimi# ls -alih /var/run/libvirt/ total 12K 671017 drwxr-xr-x 3 root root 4.0K Apr 15 13:54 . 654083 drwxr-xr-x 18 root root 4.0K Apr 15 13:54 .. 670901 srwxrwx--- 1 root libvirt 0 Apr 15 13:54 libvirt-sock 670928 srwxrwxrwx 1 root libvirt 0 Apr 15 13:54 libvirt-sock-ro 670870 drwxr-xr-x 2 root root 4.0K Apr 15 02:34 qemu and also we have group named libvirt in /etc/group When running libvirtd with verbose mode it behaves kind of stange: root@debian:/var/log/libvirt# /usr/sbin/libvirtd --verbose 17:26:55.841: warning : qemudStartup:1832 : Unable to create cgroup for driver: No such device or address 17:26:56.128: warning : lxcStartup:1900 : Unable to create cgroup for driver: No such device or address and waits infinitely.

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  • Why apache doesn't restart after configuring SSL?

    - by poz2k4444
    I've installed apache2 and then configure it to work with SSL following this and this tutorials, the problem becomes when I try to restart the service, the following error throws: (98)Address already in use: make_sock: could not bind to address 0.0.0.0:443 no listening sockets available, shutting down Unable to open logs the output of netstat -anp | grep 443 just display firefox listening and anything else, how could I solve this and get the service running?? The ouput of ps -Af|grep <firefox PID> is: root 1949 1 11 18:42 tty1 00:20:55 /opt/firefox/firefox-bin root 2025 1949 4 18:43 tty1 00:08:39 /opt/firefox/plugin-container /root/.mozilla/plugins/libflashplayer.so -greomni /opt/firefox/omni.ja 1949 true plugin after closing firefox and then cheking again for port 443 the output is: tcp 0 0 10.32.208.179:38923 74.125.139.155:443 TIME_WAIT - tcp 0 0 10.32.208.179:45706 74.125.139.113:443 TIME_WAIT - tcp 0 0 10.32.208.179:40456 74.125.139.156:443 TIME_WAIT - tcp 0 0 10.32.208.179:56823 69.171.227.62:443 FIN_WAIT2 - unix 3 [ ] STREAM CONNECTED 12443 1721/dbus-daemon @/tmp/dbus-8ee35rmOOS Seeing the error logs, which are not at the time when I'm doing this, the last errors are: [Tue Oct 02 18:41:54 2012] [error] Init: Unable to read server certificate from file /etc/apache2/ssl/sever.crt [Tue Oct 02 18:41:54 2012] [error] SSL Library Error: 218529960 error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag [Tue Oct 02 18:41:54 2012] [error] SSL Library Error: 218595386 error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error

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  • How to setup Hadoop cluster so that it accepts mapreduce jobs from remote computers?

    - by drasto
    There is a computer I use for Hadoop map/reduce testing. This computer runs 4 Linux virtual machines (using Oracle virtual box). Each of them has Cloudera with Hadoop (distribution c3u4) installed and serves as a node of Hadoop cluster. One of those 4 nodes is master node running namenode and jobtracker, others are slave nodes. Normally I use this cluster from local network for testing. However when I try to access it from another network I cannot send any jobs to it. The computer running Hadoop cluster has public IP and can be reached over internet for another services. For example I am able to get HDFS (namenode) administration site and map/reduce (jobtracker) administration site (on ports 50070 and 50030 respectively) from remote network. Also it is possible to use Hue. Ports 8020 and 8021 are both allowed. What is blocking my map/reduce job submits from reaching the cluster? Is there some setting that I must change first in order to be able to submit map/reduce jobs remotely? Here is my mapred-site.xml file: <configuration> <property> <name>mapred.job.tracker</name> <value>master:8021</value> </property> <!-- Enable Hue plugins --> <property> <name>mapred.jobtracker.plugins</name> <value>org.apache.hadoop.thriftfs.ThriftJobTrackerPlugin</value> <description>Comma-separated list of jobtracker plug-ins to be activated. </description> </property> <property> <name>jobtracker.thrift.address</name> <value>0.0.0.0:9290</value> </property> </configuration> And this is in /etc/hosts file: 192.168.1.15 master 192.168.1.14 slave1 192.168.1.13 slave2 192.168.1.9 slave3

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  • DrayTek 2820 configuration using public IP addresses

    - by Kev
    I have a /29 range of public IP addresses assigned to me by my ISP. I'm trying to configure a SIP VOIP handset to register with my VOIP provider who recommend using public IP addresses rather than NAT. I have a DrayTek 2820 router flashed with the latest firmware and have configured my router as per DrayTek's FAQ at: How do I use a public subnet on the LAN (non-NAT operation ) ? My IP range is: xx.xx.94.16 -> xx.xx.94.23 This gives a usable range of: xx.xx.94.17 -> xx.xx.94.22 My router's public IP address is: xx.xx.94.17, the SIP VOIP handset is allocated xx.xx.94.18. I have a second internet connection and via that I can ping the handset. However for some reason I can't seem to get it to register with the provider. I tried adding a new Firewall filter to pass through from WAN to LAN: Source: ANY, Destination: xx.xx.94.18, UDP - Ports 1024 -> 65535 Out of interest I also tried opening port 80 to see if I could browse to the phone's admin web interface but no joy. I know that my ISP aren't blocking inbound service ports because I NAT Port Forwarded port 80 to one of my internal web servers and it rendered a test page I had set up. All the NAT settings are reset to factory defaults, i.e. there are no Port Redirection, DMZ Host, Open Ports or Address Mappings configured. The handset I'm using is a GrandStream GXP-2000. Is there anything else I should be doing?

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  • Including hostname in apache logwatch reports

    - by Robert Munteanu
    When hosting multiple domains with apache it's useful to see the logwatch apache output with the virtual host name included, but I only get: --------------------- httpd Begin ------------------------ Requests with error response codes 400 Bad Request /: 1 Time(s) /robots.txt: 1 Time(s) whereas I would like something like --------------------- httpd Begin ------------------------ Requests with error response codes 400 Bad Request example.com/: 1 Time(s) example.org/robots.txt: 1 Time(s) How can I achieve this with logwatch?

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  • MySQL remote access not working - Port Close?

    - by dave.zap
    I am not able to get a remote connection established to MySQL. From my pc I am able to telnet to 3306 on the existing server, but when I try the same with the new server it hangs for few minutes then returns # mysql -utest3 -h [server ip] -p Enter password: ERROR 2003 (HY000): Can't connect to MySQL server on '[server ip]' (110) Here is some output from the server. # nmap -sT -O localhost -p 3306 ... PORT STATE SERVICE 3306/tcp closed mysql ... # netstat -anp | grep mysql tcp 0 0 [server ip]:3306 0.0.0.0:* LISTEN 6349/mysqld unix 2 [ ACC ] STREAM LISTENING 12286 6349/mysqld /DATA/mysql/mysql.sock # netstat -anp | grep 3306 tcp 0 0 [server ip]:3306 0.0.0.0:* LISTEN 6349/mysqld unix 3 [ ] STREAM CONNECTED 3306 1411/audispd # lsof -i TCP:3306 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME mysqld 6349 mysql 10u IPv4 12285 0t0 TCP [domain]:mysql (LISTEN) I am running... OS CentOS release 5.8 (Final) mysql 5.5.28 (Remi) Note: Internal connections to mysql work fine. I have disabled IPtables, the box has no other firewall, it runs Apache on port 80 and ssh no problem. Had followed this tutorial - http://www.cyberciti.biz/tips/how-do-i-enable-remote-access-to-mysql-database-server.html I have bound the IP address in my.cnf user=mysql bind-address = [sever ip] port=3306 I even started over by deleting the mysql folder in my datastore and running mysql_install_db --datadir=/DATA/mysql --force Then recreated all the users as per the manual... http://dev.mysql.com/doc/refman/5.5/en/adding-users.html I have created one test user CREATE USER 'test'@'%' IDENTIFIED BY '[password]'; GRANT ALL PRIVILEGES ON *.* TO 'test'@'%' WITH GRANT OPTION; FLUSH PRIVILEGES; So all I can see is that the port is not really open. Where else might I look? thanks

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  • Recommendation for a redundant 60V DC Powersupply

    - by Lairsdragon
    We have some Telco-Equipment in our data space center which we had been given by our Telco. What they didn't provide is a redundant power supply and therefore we are struggling with outages of this equipment. What I am searching for is a redundant Power-Supply for 60V and 600W 60 Volt DC output 600 Watts rated power 2 220V Input with galvanic separation Rack mountable Any suggestions?

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  • Windows 7 Enterprise MAK needs Reactivation?

    - by chris
    I have a VMware image that contains our "standard workstation" where I do a lot of testing. I used a Windows 7 Enterprise MAK key (from MSDN) for activation because the doc said that MAK keys don't have to be reactivated when the hardware changes. Activation was done with slmgr.vbs /ipk LICENSE-KEY slmgr.vbs /ato Now after some testing where the virtual hw was changed it says it "needs to activate because the hw has changed". What did I do wrong?

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