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• How to configure amavisd-new for only scanning on particular senders/servers?

  - by mailq

  I'd like to know how to configure amavisd-new to only scan for Spam on particular clients (IPs, CIDRs or hostnames) or alternatively sender's email domain. I know that it is possible to do it on a recipient's mail address but not on how to do it for the sender's mail address. It is even possible to do it on a recipient's IP address with policy banks. But my approach should be to be independent of recipient and only relay on the sender. What I want to accomplish is to only scan mails originating from Yahoo, Google, Hotmail and the other big senders. So it is easier to configure which senders should be observed than the ones that shouldn't. I known that it is easier to achieve on the MTA side, but that is not part of the question because I already go a solution on the MTA side. I want to do it on amavisd-new. And it doesn't help to know how to put senders on a whitelist, as this still means that the mail goes through all the scanning but then gets a high negative score. The mail shouldn't be scanned at all unless sent by the big players. So which parameters in amavisd-new is the right one to enable scanning for particular senders and only for these?

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• Trouble serving vhosts when trying to set up wildcard subdomains with dnsmasq in local development e

  - by Jeremy Kendall

  I'm trying to get wildcard DNS enabled on my laptop using dnsmasq. I realize that this has been asked and answered more than once on this forum, but I can't get the solution to work for me. Steps taken so far: Installed dnsmasq Set address=/example.dev/127.0.0.1 in dnsmasq.conf Set listen-address=127.0.0.1 in dnsmasq.conf Ensured nameserver 127.0.0.1 is in /etc/resolv.conf Set prepend domain-name-servers 127.0.0.1; in /etc/dhcp3/dhclient.conf Created a vhost for example.dev Restarted apache and dnsmasq Note: example.dev is not set in /etc/hosts My vhost for example.dev <VirtualHost *:80> ServerName example.dev DocumentRoot /home/jkendall/public_html/example/public ServerAlias *.example.dev # This should be omitted in the production environment SetEnv APPLICATION_ENV development <Directory /home/jkendall/public_html/example/public> DirectoryIndex index.php AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> The setup above will server example.dev locally without any problem. It will also serve test.example.dev, but test.example.dev returns the default apache "It works!" index.html from /var/www rather than my index.php in /home/jkendall/public_html/example/public. The solution in this Server Fault thread suggests that address=/.example.dev/127.0.0.1 would resolve my problem, but when I try to use that solution, restarting dnsmasq results in a failure with the error message dnsmasq: error at line 62 of /etc/dnsmasq.conf For grins, I moved my project over to /var/www/example and modified the vhost appropriately. I got the same result as described above. At this point I'm not sure what other steps I can take to resolve the issue. Thoughts?

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• maillog "No route to host" error

  - by Sherwood Hu

  I have a CentOS server. It has sendmail installed but not used for a mail server. I forwarded the root email to another email address. However, I keep getting errors in maillog: Dec 6 08:49:16 server1 sm-msp-queue[16191]: qB6601et005433: to=root, ctladdr=root (0/0), delay=08:49:15, xdelay=00:00:00, mailer=relay, pri=883224, relay=[127.0.0.1], dsn=4.0.0, stat=Deferred: [127.0.0.1]: No route to host Dec 6 08:49:16 server1 sendmail[16190]: qB39nDfQ014062: to=<[email protected]>, delay=3+05:00:02, xdelay=00:00:00, mailer=esmtp, pri=6965048, relay=subdomain.example.com., dsn=4.0.0, stat=Deferred: subdomain.example.com.: No route to host Dec 6 08:49:16 server1 sendmail[16190]: qB39nDfR014062: to=<[email protected]>, delay=3+05:00:02, xdelay=00:00:00, mailer=esmtp, pri=7004959, relay=subdomain.example.com., dsn=4.0.0, stat=Deferred: subdomain.example.com.: No route to host In the forwarded email address, I received notification "it can't deliver email to [email protected]. subdoamin.example.com does have a MX record, and I do not want to add one. Is there any configuration that I can change to prevent this error? I want all emails to the root to be forwarded to the forward address.

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• Horizontal scrolling not working in Windows 7 running on MBP using Boot Camp

  - by Rubicon

  Is there a way to enable horizontal scrolling on Windows installed on a bootcamp partition of MBP 13" Core 2 Duo, using a trackpad? I had a look into the Boot Camp Control panel settings, but could not find a setting that suggested this. I used the Boot Camp drivers that came with the MBP in the Mac OS X Install disk. The vertical scroll is working fine, and the horizontal scroll works fine in the Mac world of things, so the hardware is fine. I think maybe there might be an additional install for a driver that we may have to install? Or any update? Thanks in advance for all your help. :)

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• Windows XP cannot execute binary file on Network Share

  - by angerman

  I'm having a Network Share provided by a Mac OS X Lion Server on a recent Mac Mini Server (CIFS / SMB); mounting the share in Windows (XP) is no problem, reading and writing neither. But when ever I try to execute an executable .exe, Windows complains that it's not a valid win32 executable. Copying the file from the network share to the desktop or some other local location, allows the file to be subsequently executed. Pointers to what the root cause of this problem may be are greatly appreciated.

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• DNS setup problems with Windows Azure VPS

  - by jbigelow

  What is the proper to setup the A record (or CNAME) for a Windows Azure VPS? I can't connect to my website after setting up IIS and believe I don't have the correct DNS setup. I created a small VPS instance with the default Windows Server 2012 configuration. I RDP'd in and added the Webserver role. In my DNSMadeEasy control panel I added an A record with my Public Virtual IP Address. In IIS I went to the default website and added bindings for the hostname of my website, so I should be able to type mywebsite.com and see the IIS 8 splash screen, but instead my browser cannot connect. I attempted to navigate to the site by typing in my Virtual IP address into the browser and still cannot connect. I RDP'd back into the machine and turned off Windows Firewall. No change, still cannot navigate to my website. From within IIS I double checked my binding. If I click "browse *:80" I can bring up my website in IE with the http:// localhost address. If I click "browse mywebsite on *.80" IE says "This page cannot be displayed.", from within the RDP session I can view the site if I navigate to http:// 127.0.0.1 but not if I navigate to my Virtual IP, nor can I view the page if I try navigating to http:// mywebservername.cloudapp.net I'm thinking I must be fundamentally not understanding how do DNS setup with Azure VPS but my initial Google searches aren't turning up any helpful information. (spaces added after the http:// so serverfault doesn't try and render them as valid urls.)

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• OSX 10.6 Give Apache2 read&write access to mounted windows share

  - by JohEngstrom

  On Mac OS X Snow Leopard I'm trying to give the apache2 user _www full rights to a mounted hidden windows server share. I've used Connect to Server with smb://servername/share$ and saved the username/password in the keychain. The domain username used for the mount got full rights to the share on the windows server. It all works this far. I can browse and edit the files in the share from the Mac. However I can't find a way to give the apache2 user _www rights to write to the mounted share. I have a perl script that is supposed to create a file in the mounted folder but only get permission denied. I've tried all kinds of chmod and chown but it doesn't change the permissions of the share. Does anyone know how this can be done please?

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• Install OS X 10.5 on Intel 1GB Macbook

  - by Moshe

  I'm trying to install Mac OS X 10.5 on a MacBook that previously had 10.4 on it. i am getting an error after selecting the language. What could be causing a box on the screen that says: Mac OS X cannot be installed on this computer. It's an Intel MacBook with 1GB of DDR2 memory. 80GB hard drive. It has been formatted now, so there's no going back. According to the System Profiler on the 10.5 boot CD, the MacBook is version MacBook2,1. Thanks!

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• iMac G5 20" (First All-In-One White Screen) Cannot Connect To Internet

  - by Goober

  The Scenario I've got an iMac G5 20" (First All-In-One White Screen) PPC. It has an Airport Extreme Network card in order to wirelessly to connect to the internet. For the most part I connect using ethernet as opposed to wirelessly, but recently have had the need to connect using the wireless. The Hardware BT Home Broadband Wireless Router. iMac G5 20" From about 5 years ago (First All-In-One White Screen) The Issue Even though I know for a fact that It has connected to the internet wireslessly in the past, for some reason it can discover the wireless router, but upon entering the password it fails to connect. I have tried multiple times to no avail. I have 2 other Mac's on the network and a pc that can all connect wirelessly. However both the mac's. Question Any ideas as to why my really old iMac G5 can't connect wirelessly anymore!?

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• Can't connect to Sql Server 2008 named instance

  - by eidylon

  I just installed Sql 2008 Express on a new server running Windows Server 2008. I know Sql is working properly, because I can connect to the db fine locally, on the server. I cannot connect to it from a client machine though, neither by IP address nor by machine name (iporname\instance). I know I have the correct IP address, because I am RDCing into the server to perform all this configuration and setup, and if I ping the server name, it is resolving to the correct IP address as well. On the server, I have set up an inbound firewall exception allowing all traffic on any port on any protocol to sqlservr.exe. In SSMS, in server > Properties > Connections Allow remote connections to this server is enabled. In Sql Server Configuration Manager, TCP/IP is enabled in both the Protocols for <instance> and the Client Protocols sections. I looked in the Windows logs, but don't see anything about connections being denied or dropped. As far as I can see, I have everything set right, but cannot connect from a client machine. The client CAN connect to other Sql 2008 Express servers okay, so I know the client configuration is correct. Any ideas where else I can look for info of what/where/how this connection is dropping, greatly apprecaited! The error being returned by the client is: **TITLE: Connect to Server** Cannot connect to [MY.IP.ADD.RSS]\[MYINSTNAME]. ADDITIONAL INFORMATION: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)

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• Command-line app for converting SVG to PNG on OSX

  - by lorin

  Are there any command-line programs that can convert an SVG to PNG, that run on Mac OS X?

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• Is there a Windows or Linux equivalent of Soulver calculator application?

  - by Shevek

  I've just been shown a brilliant calculator app called Soulver which is only available on Mac OS X Maths on a Mac as it should be Soulver is a new kind of calculator application which uses a simple yet powerful word-processor style interface instead of the traditional "button" approach to doing math. Main Features No equals button - Soulver instantly calculates as you type. Multiple lines - Soulver lets you do math over multiple lines and edit previous expressions. Flexible to words - Soulver doesn't mind if you include words or labels between numbers. Basic functions - Soulver includes every standard calculator function, like sin(), cos() & tan() Clever English functions - Soulver includes some "English" math functions. For instance you can type "10% off $200" and get $180 Floating palettes - Soulver's answer & stats palettes will give you conversions and statistics on your work as your type Save your work - like a word processor, Soulver allows you to save and reopen your work This is a fantastic concept and I would really like to find it's equivalent for Windows and/or Linux. Any suggestions?

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• Make dhcp assign same IP and hostname for different interfaces at one machine

  - by Egeshi

  I have a feeling that question itself looks stupid but it is not. Please let me clarify. I have dynamic DNS with BIND and NIS configured at my LAN and have laptop which I am using in both wireless and wired mode. I mean that sometimes I have to use wired interface to achieve higher throughput but most of time I don't need it and using wireless mode. Everything works great. Issue is that I want both interfaces get same IP from DHCP. Just for convenient firewall setup. If I add both hosts to dhcp in this manner # bt wireless host bt { hardware ethernet 00:1f:1f:62:60:28; fixed-address 172.16.77.110; } # bt wired host bt { hardware ethernet 00:14:22:b7:5a:de; fixed-address 172.16.77.110; } DHCP says logs following message dhcpd: Dynamic and static leases present for 172.16.77.110 dhcpd: Remove host declaration bt-wired or remove 172.16.77.110 dhcpd: from the dynamic address pool for 172.16/16 Host records are added outside of any subnet, but it makes no difference if I put them there, effect is still the same. This is not critical but either is not my whim because even if DHCP seems to work fine for that "bt" host, I cannot make connection TO it from remote machine anymore with this definitely incorrect DHCP config. I'd be thankful if one spares a minute for advice about how to configure DHCPD correctly. UPDATE. I realize that there's a soulution to assign different hostname in DHCP config but would like to use benefits of short host names.

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• applying rules to CC'd messages in Outlook 2007

  - by Danny Chia

  This is probably a silly question, but here goes: I have two e-mail aliases that forward messages to my main address. I'm trying to create a rule to move all messages that I receive to a specific folder. There is a condition that applies to messages "where my name is in the To or Cc box," but it doesn't let me specify what "my name" is. Not surprisingly, it only affects messages that have not been sent to an alias. So far, I found a solution as follows: I select the condition that applies to messages with specific words in the recipient's address, and I enter my address and aliases as those "words." It's kind of an awkward hack, but it works. Normally, this wouldn't be much of an issue, but I have a "family computer" that is shared among my parents and myself, and I don't want their e-mails and mine to be jumbled together in the Inbox. So my questions are: Is there a solution that is less awkward than the one I used? Alternatively, is there a way to assign multiple e-mail addresses (or aliases) to one account? Thanks!

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• LAN->LAN IP translation (for TortoiseSVN + Artifacts + Buffalo router)

  - by Armchair Bronco

  Here's my scenario: I've got a VisualSVN server on my main dev box @ home. I'm also using Visual Studio 2010, TortoiseSVN, VisualSVN client (for source control), and Versioned 'Artifacts' (for bug tracking). (I had to modify the fake URL's below to use only one slash because as a new user, I can't post more than one real URL.) I've got my Buffalo AirStation WHR-HP-G300N router properly configured so my business partner can connect to the SVN server. I have port forwarding enabled for the internet-side IP address (like http:/99.888.77.66:443) which gets forwarded to an internal IP (like 192.168.11.6). This part is working great. The problem I'm having is with the integration piece between TortoiseSVN and my bug tracking system. I need to provide a bugtraq:url property, but I haven't been able to get relative paths to work. So I'm forced to use an absolute URL. On my end, I need to use the name of my server (for example: bugtraq:url = https:/my-server/svn/bla..), but this doesn't work for my partner. He needs to specify the IP address (for example: bugtraq:url = https:/999.888.77.66:443/svn/bla...) Is there a way to configure my router such that the IP address for this parameter gets re-routed/re-mapped to "https://my-server" if the request originates from the LAN itself? My router's software supports LAN-Internet and Internet-LAN, but I don't see LAN-LAN.

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• DHCP forwarding behind access list on a Cisco Catalyst

  - by Ásgeir Bjarnason

  I'm having some trouble with forwarding DHCP from a subnet behind an access list on a Cisco Catalyst 4500 switch. I'm hoping somebody can see the mistake I'm making. The subnet is defined like this: (first three octets of IP addresses and vrf name anonymized) interface Vlan40 ip vrf forwarding vrf_name ip address 10.10.10.126 255.255.255.0 secondary ip address 10.10.10.254 255.255.255.0 ip access-group 100 out ip helper-address 10.10.20.36 no ip redirects I tried turning on a VMWare machine on this subnet that was configured to use DHCP, but I never got a DHCP response and the DHCP server didn't receive a request. I tried putting the following in the access-list: access-list 100 permit udp host 10.10.10.254 host 10.10.20.36 eq bootps access-list 100 permit udp host 10.10.10.254 host 10.10.20.36 eq bootpc access-list 100 permit udp host 10.10.20.36 host 10.10.10.254 eq bootps access-list 100 permit udp host 10.10.20.36 host 10.10.10.254 eq bootpc That didn't help. Can anybody see what the problem is? I know that the DHCP server works; our whole network is running off of this DHCP server I also know that the subnet works because we have active servers running on the network The DHCP scope is already defined on the DHCP server The subnet is correctly defined on the VMWare server (already servers running on the subnet on VMWare) Edit 2012-10-19: This is solved! The subnet had formerly been defined as a /25 network, but was then expanded into a /24 network. When the DHCP scope was altered after this change it was done incorrectly; the gateway was moved to .254, the leasable IP range was in the lower half of the /24 subnet but we forgot to change the CIDR prefix from /25 into /24. This happened some 2 years ago, and we didn't need to use DHCP on this server network again until this week. Thank you MDMarra and Jason Seemann for looking at the question and trying to troubleshoot. Now I'm wondering if I should mark Jason's answer as the accepted answer (I am new to the Stack Exchange network, so I don't know the etiquette of what to do if I misstated the question like in this case).

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• Server 2008 R2 DNS Lockup / Stops Resolving Internet Names

  - by Richard Maynard

  We've deployed our first 2008 R2 server on a client site which has replaced their existing 2003 DC. This server provides DNS resolution services to all client machines on that site for general internet usage. Since using the 2008 R2 DNS services we have noticed every couple of days the DNS server starts timing out when requests to certain sites are made (google is the only example I can provide at this time although it seems to be larger sites with problems rather than small - CDN compatiblity issue?). When you restart the DNS Server service then resolution returns to normal... just only for a day or so. Is anybody aware of any significant changes to the DNS server architecture or configuration out of the box in R2 that may explain this intermittent behaviour? I have already tried the fix listed here to no avail: http://weblogs.asp.net/owscott/archive/2009/09/15/windows-server-2008-r2-dns-issues.aspx The following PS command prompt info illustrates the issue: PS C:\Users\Administrator.UK> nslookup Default Server: s8209001.uk.kingdomfaith.com Address: 10.1.3.4 > www.google.com Server: s8209001.uk.kingdomfaith.com Address: 10.1.3.4 Non-authoritative answer: Name: www.l.google.com Addresses: 66.102.9.99 66.102.9.104 66.102.9.105 66.102.9.103 66.102.9.147 Aliases: www.google.com > www.google.co.uk Server: s8209001.uk.kingdomfaith.com Address: 10.1.3.4 * s8209001.uk.kingdomfaith.com can't find www.google.co.uk: Server failed

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• nameserver spoiling avahi multicast name resolution of .local domain

  - by Doug Coburn

  After trying to ping a machine on my local network, I noticed that I was trying hit address 66.152.109.24. This is an external public address. Resolution should have occurred via avahi mDNS. I ran dig to see how the name resolution worked and my quest/centurylink name server was retuning results for my .local domain queries! I tried a random name and got the same ip address result. $ dig jakdafj.local ; <<>> DiG 9.8.1-P1-RedHat-9.8.1-3.P1.fc15 <<>> jakdafj.local ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58410 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;jakdafj.local. IN A ;; ANSWER SECTION: jakdafj.local. 10 IN A 66.152.109.24 jakdafj.local. 10 IN A 204.232.231.46 ;; Query time: 104 msec ;; SERVER: 205.171.3.25#53(205.171.3.25) ;; WHEN: Sat Mar 24 20:40:17 2012 ;; MSG SIZE rcvd: 63 Am I missing something or is my DNS name server at 205.171.3.25 corrupted?

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• How can I bridge a VM to a remote network?

  - by asciiphil

  I have a system running QEMU/KVM (via libvirt). One of its VMs needs to have a presence on a subnet that is not local to the VM host. I have a Linux system on the remote subnet. Is there a way to set up some sort of tunneled bridge to cause the VM to appear present on the remote system? This will be a temporary situation (hopefully just until the VM owner can configure their system) and network performance and long-term maintainability aren't really issues. To give some more concrete information: My VM host has IP address 192.168.54.155/24. The VM has IP address 192.168.65.71/24. I have a remote system at 192.168.65.254/24. Both the VM host and remote system are running Scientific Linux 6.5. I do not control the network or routing in between the VM host and remote system. I do not have access to the guest OS on the VM. I would like traffic to the VM's IP address to end up at the VM even though its host isn't directly connected to the appropriate network. I've tried using iproute2's tunnelling, but Linux won't let me add a tunnel to a bridge. I've considered using some sort of iptables mangling to route traffic over the tunnel and make the VM think it's on the right network, but I'm not sure whether there are better approaches. What's the best way to accomplish this hack?

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• Read Only Domain Controllers and DNS zone updates

  - by Mike M

  I have a Windows 2003 domain and just added a new DC that runs 2008 R2. I updated the schema accordingly for both forest and domain levels. I also made sure to run /rodcprep at the time I did this. I have a branch office with a 2008 R2 file/print server that is a read-only domain controller (DC). The one problem I have been having is with AD-integrated DNS records updates. In the data center, we had to make an IP address change on a particular server. All our other sites' DCs (2003) updated the record fine. The 2008 R2 DC in the data center also updates its record fine. However, the RODC in the branch office does not. So if I nslookup the target server on a 2003 DC, the IP address is correct. Same with the 2008 R2 DC in the data center. But an nslookup on the branch office RODC still pulls in the old IP address. Moreover, any new records we've created (e.g., just added a new terminal server) do not get updated on the branch RODC either. Is there something simple I'm missing? How do I get the RODC to sync its AD-integrated DNS records with the rest of my world? Thank you in advance for your responses. Mike

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• Installing perforce visual client on linux

  - by Manish

  I am from Mac background trying my hand at installing perforce client visual(P4V) on my linux box.For this I download the correct version here and untar the files. Then I cd to the directory ~/Desktop/p4v-2012-blah-blah/bin I also say chmod +x p4* After this i try running p4v (by double clicking) but I dont see anything .The file type is shown as a "text executable" but i dont know why it is not running. On mac i had done the same thing -just clicked on p4v and the client would show up(where I filled the server address and everything )But not sure what is going wrong here.Can someone give me directions? FWIW i did check out this link .

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• Linux networking crash: best steps to find out the cause?

  - by Aron Rotteveel

  One of our Linux (CentOS) servers was unreachable last night. The server was not reachable in any way except for the remote console. After logging in with the remote console, it turned out I could not ping any outside hosts either. A simple service network restart solved the issue, but I am still wondering what could have caused this. My log files seem to indicate no error at all (except for the various daemons that need a network connection and failed after the network failure). Are there any additional steps I can take to find out the cause of this problem? EDIT: this just happened again. The server was completely unresponsive until I issued a networking service restart. Any advise is welcome. Could this be caused by a faulty hardware component? As per Madhatters request, here are some excerpts from the log at the time (the network crashed at 20:13): /var/log/messages: Dec 2 20:01:05 graviton kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=<stripped> SRC=<stripped> DST=<stripped> LEN=40 TOS=0x00 PREC=0x00 TTL=101 ID=256 PROTO=TCP SPT=6000 DPT=3306 WINDOW=16384 RES=0x00 SYN URGP=0 Dec 2 20:01:05 graviton kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=<stripped> SRC=<stripped> DST=<stripped> LEN=40 TOS=0x00 PREC=0x00 TTL=100 ID=256 PROTO=TCP SPT=6000 DPT=3306 WINDOW=16384 RES=0x00 SYN URGP=0 Dec 2 20:01:05 graviton kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=<stripped> SRC=<stripped> DST=<stripped> LEN=40 TOS=0x00 PREC=0x00 TTL=101 ID=256 PROTO=TCP SPT=6000 DPT=3306 WINDOW=16384 RES=0x00 SYN URGP=0 Dec 2 20:13:34 graviton junglediskserver: Connection to gateway failed: xGatewayTransport - Connection to gateway failed. The first three messages are simple responses to iptables rules I have set up through the LFD firewall. The last message indicates that JungleDisk, which I use for backups can no longer connect to the gateway. Apart from this, there are no interesting messages around this time. EDIT 4 dec: as per Mattdm's request, here is the output of ethtool eth0: (Please not that these are the settings that currently work. If things go wrong again, I will be sure to post this again if necessary. Settings for eth0: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised auto-negotiation: Yes Speed: 1000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 1 Transceiver: internal Auto-negotiation: on Supports Wake-on: g Wake-on: d Link detected: yes As per Joris' request, here is also the output of route -n: aron@graviton [~]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface xx.xx.xx.58 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.42 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.43 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.41 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.46 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.47 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.44 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.45 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.50 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.51 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.48 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.49 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.54 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.52 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.53 0.0.0.0 255.255.255.255 UH 0 0 0 eth0 xx.xx.xx.0 0.0.0.0 255.255.255.192 U 0 0 0 eth0 xx.xx.xx.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 0.0.0.0 xx.xx.xx.62 0.0.0.0 UG 0 0 0 eth0 The bottom xx.62 is my gateway. EDIT december 28th: the problem occurred again and I got the chance to compare some of the outputs of the above tests. What I found out is that arp -an returns an incomplete MAC address for my gateway (which is not under my control; the server is in a shared rack): During failure: ? (xx.xx.xx.62) at <incomplete> on eth0 After service network restart: ? (xx.xx.xx.62) at 00:00:0C:9F:F0:30 [ether] on eth0 Is this something I can fix or is it time for me to contact the data centre?

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• Git pull auto complete OSX

  - by vodkhang

  Follow some instruction on this site http://denis.tumblr.com/post/71390665/adding-bash-completion-for-git-on-mac-os-x-leopard . I can do git auto complete for MAC OS. However, when I type git pull origin ma (for master), and then tab it takes a long time for git to auto complete to become git pull origin master . I think it connect to the server to get the branch, but I am not sure, is there any way to make it faster and only get the branch on local machine cd /tmp git clone git://git.kernel.org/pub/scm/git/git.git cd git git checkout v`git --version | awk '{print $3}'` cp contrib/completion/git-completion.bash ~/.git-completion.bash cd ~ rm -rf /tmp/git echo -e "source ~/.git-completion.bash" >> .profile

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• allow SSH to bypass VPN on OSX mavericks, openvpn, pf

  - by zycho42

  My home computer connects to the internet through an OpenVPN connection. However, I would like to be able to connect to my home computer from outside over ssh. Ssh is set up and working, but when I connect to the vpn ssh is only accessible from inside my home network. I figure what's going wrong is my router forwards incoming ssh connections to my mac, but then my mac replies over the vpn, so the connection from outside times out. I've got pf set up for a couple of other things, but I can't figure out how to let the ssh replies bypass the vpn using pf. I've come across other solutions that use ip tables, routing tables and rules, but I can't figure out how to set that up on mavericks. I've been searching for this for a while now but I haven't found a working solution. Any help would be greatly appreciated!

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• Ubuntu 12.04 glusterfs volume failed to mount at boot time

  - by user183394

  I have just setup 7 KVM guests, all running Ubuntu 12.04 LTS 64bit Minimal server to test out glusterfs 3.2.5 from the Ubuntu official repo. Two of them form a mirrored pair (i.e. replica 2), and five of them are clients. I am still new to this file system and would like to gain some "hands-on" experience. The setup was mostly uneventful, until I put in the following into each glusterfs client's /etc/fstab: 192.168.122.120:/testvol /var/local/testvol glusterfs defaults,_netdev 0 0, where 192.168.122.120 is the IP address of the first "glusterfs server". If I issue either a manaul mountall or a mount.glusterfs 192.168.122.120:/testvol /var/local/testvol on CLI, a mount shows that the volume is successfully imported. But once a client is rebooted, after it comes back up, the volume is not mounted! I searched the Internet, and found this article, but since I am not running both client and server on the same node, IMHO it's not strictly applicable. So, as a kludgy "get-around", I put in a sleep 3 && mount.glusterfs 192.168.122.120:/testvol /var/local/testvol into each client node's /etc/rc.local. It seems to be able to get the volume mounted on each node, as far as I can tell. But this is quite ugly, and I would appreciate a hint as to how to resolve this glusterfs-non-boot-time-mounting issue correctly. Note that I used the IP address of the first "glusterfs server" although the /etc/hosts of all nodes have been populated with their hostnames. I figured that the use of IP address is more robust. --Zack

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