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• Help with routing table

  - by user68752

  I have tried to find the answer to my question but not really found a clean and easy solution. I have a box (Ubuntu headless 10.04.1 server, with one Ethernet port) on LAN behind a router (running m0n0wall), that I have successfully installed a PPTP device (ppp0) on, this is working flawlessly (following this link) The thing is I want this box to route all it's internet traffic through the VPN tunnel (ppp0 device) but also being able to access the local LAN on 192.168.1.* subnet. I've succeeded a bit with this, but my problem right now is that I have port forwards (e.g. SSH) done in the m0n0wall pointing to this specific box which forces me to do "add routes" to all boxes that want to access this machine through this specific port. For instance a machine with ip xyz.xyz.xyz.xyz needs to have a static route setup in the routing table on the box to be able to access the box. This is the result of route -n xxx.xxx.137.2 192.168.1.1 255.255.255.255 UGH 0 0 0 eth0 xxx.xxx.137.2 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 yyy.yyy.0.0 192.168.1.1 255.255.0.0 UG 0 0 0 eth0 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 ppp0 Where xxx is the IPs provided from VPN server. yyy.yyy.0.0 is a net that i want to have access to the box, without this I can't access the box from outside the LAN (via port-forwards done in router software, m0n0wall) is there away round this ugly solution?

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• Possible for linux bridge to intercept traffic?

  - by A G

  I have a linux machine setup as a bridge between a client and a server; brctl addbr0 brctl addif br0 eth1 brctl addif br0 eth2 ifconfig eth1 0.0.0.0 ifconfig eth2 0.0.0.0 ip link set br0 up I also have an application listening on port 8080 of this machine. Is it possible to have traffic destined for port 80 to be passed to my application? I have done some research and it looks like it could be done using ebtables and iptables. Here is the rest of my setup: //set the ebtables to pass this traffic up to ip for processing; DROP on the broute table should do this ebtables -t broute -A BROUTING -p ipv4 --ip-proto tcp --ip-dport 80 -j redirect --redirect-target DROP //set iptables to forward this traffic to my app listening on port 8080 iptables -t mangle -A PREROUTING -p tcp --dport 80 -j TPROXY --on-port 8080 --tproxy-mark 1/1 iptables -t mangle -A PREROUTING -p tcp -j MARK --set-mark 1/1 //once the flows are marked, have them delivered locally via loopback interface ip rule add fwmark 1/1 table 1 ip route add local 0.0.0.0/0 dev lo table 1 //enable ip packet forwarding echo 1 > /proc/sys/net/ipv4/ip_forward However nothing is coming into my application. Am I missing anything? My understanding is that the target DROP on the broute BROUTING chain will push it up to be processed by iptables. Secondly, are there any other alternatives I should investigate? Edit: IPtables gets it at nat PREROUTING, but it looks like it drops after that; the INPUT chain (in either mangle or filter) doesn't see the packet.

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• Take a regular Windows 7 clone with clonezilla (device-to-image)

  - by Mario De Schaepmeester

  I am unexperienced with cloning software and I've decided to use Clonezilla as it seemed best as freeware. I chose device image and left most options standard. I chose expert mode anyway to see what I could configure, and decided to try the lzop algorithm instead of the default one for compression. The rest was left at default. When Clonezilla asked me which partitions to clone (I chose parts to image), I chose the C:\ drive but Windows 7 also creates a 100MB partition on setup for system files (the actual boot partition?). I copied that into the image as well. The reason I didn't choose disk to image is that I also have a data partition that needs to stay intact. Now I'm simply not sure that this is the way to go, should I ever need to restore my disk image. Will Clonezilla know what to do with both partitions and will Windows 7 work perfectly after restoring? Edit: apparantly a similar question has been asked before. The link to the first article in the answer is not relevant to me since it covers a device-to-device clone. It appears the windows installation disk can repair the 100MB partition. As for Clonezilla, it copies "hidden data after the MBR" by default too. I don't know, I feel I'll be allright whether by restoring the partition with Clonezilla or repairing it with the Windows 7 disk.

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• Is it possible to create a simple frontend indexer for openbittorent torrents?

  - by SimonK

  I run a website which distributes a few files every now and again, live music performances by a rock band. I create a torrent file, set the trackers as openbittorrent, publicbt and other similar open trackers. I upload the torrent file to my forum, my users download it and the files are shared. No problems there. What I would like to do is index those torrents properly on my website though so I can follow seeders/leechers and other stats online. I know the open torrent trackers don't have an index but I am aware of many, many indexing sites that do that exact thing. I don't know how though. So what I'm asking is what do I need to do to do that myself? I simply want to create a page that lists the torrents I and other users on my site create, the seeders/leechers ratio and a link to the torrent file etc. What data do I need to be able to do that? I'm proficient in general web design but I don't know what I would need data wise to pull the required info on the torrents? Thanks

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• Certificates in SQL Server 2008

  - by Brandi

  I need to implement SSL for transmissions between my application and Sql Server 2008. I am using Windows 7, Sql Server 2008, Sql Server Management Studio, and my application is written in c#. I was trying to follow the MSDN page on creating certificates and this under 'Encrpyt for a specific client', but I got hopelessly confused. I need some baby steps to get further down the road to implementing encryption successfully. First, I don't understand MMC. I see a lot of certificates in there... are these certificates that I should be using for my own encryption or are these being used for things that already exist? Another thing, I assume all these certificates are files are located on my local computer, so why is there a folder called 'Personal'? Second, to avoid the above issue, I did a little experiment with a self-signed assembly. As shown in the MSDN link above, I used SQL executed in SSMS to create a self-signed certificate. Then I used the following connection string to connect: Data Source=myServer;Initial Catalog=myDatabase;User ID=myUser;Password=myPassword;Encrypt=True;TrustServerCertificate=True It connected, worked. Then I deleted the certificate I'd just created and it still worked. Obviously it was never doing anything, but why not? How would I tell if it's actually "working"? I think I may be missing an intermediate step of (somehow?) getting the file off of SSMS and onto the client? I don't know what I'm doing in the least bit, so any help, advice, comments, references you can give me are much appreciated. Thank you in advance. :)

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• Efficient mirroring of directories using hardlinks

  - by zoqaeski

  I'm backing up my music collection on to a number of NTFS-formatted external hard-drives; however, as I store my main collection in FLAC and have my library on my laptop as MP3s to save space, I want to be able to back up both sets, because mass conversion between formats is time-consuming. The "music" directory can contain any format; the "mp3s" directory contains only MP3s converted from files in the "music" directory. The music collection on the laptop contains only MP3s, but they come from both sources. When I backup my laptop's library to the "mp3s" directory, I want to only copy across MP3 files that don't exist in the "music" directory; those that do should be hard-linked to the "music" directory. All directories have an identical hierarchy, sorted by artist, album, date, discnumber if applicable, etc, and I use a tagging editor to ensure consistency across all these locations. I'm also using a Linux computer, but keeping the music collections on NTFS-formatted partitions so that they are readable by both Linux and Windows. At the moment, I use the following command to perform the backups, but this is time-consuming due to the expensive nature of finding hard links. rsync -avu --progress --relative --ignore-existing --link-dest=../music/ **/*.mp3 /media/ntfspocket/mp3s Is there a way to perform this backup more efficiently, taking advantage of the directory hierarchy?

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• Terminal Server CPU usage at 100%

  - by Light1c3

  I'm running a terminal server with around 50-60 users,and every so often the server will go from 40% usage to 100%. I took a closer look an it seems every time this happens, a different user or two seem to be caught in a loop and end up using < 30% where the rest of the users only use a maximum of 5%. The company behind the software we use clame it's due to the servers inadequate hardware (It's a VM system running on a dual - quad core setup) which to me sounds like BS! I'm fairly new to this level of IT so if I misspoke I apologize. I have no way to prove it but I believe adding more raw hardware power wont do me any good as this to me seems like a bug in their software, and it will suck up as much ( or little) CPU as it's given. The VM in question has 4 vCPU cores and 12 GB RAM available, and is running Windows Server 2008, 64-bit Thanks in advance for your help! Note: I have the same question posted on SO, but was pointed in this direction so just in case, here is a link to the post http://stackoverflow.com/questions/17276602/termserver-cpu-at-100

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• Route all traffic of home network through VPN

  - by user436118

  I have a typical semi advanced home network scenario: A cable modem - eth A wireless router (netgear n600) eth and wlan A home server (Running ubuntu 12.04 LTS, connected over wlan) A bunch of wireless clients (wlan) Lying around I have anoher cheaper wlan router, and two different USB wlan NIC's that are known to work with Linux. ACTA struck. I want to route ALL of my WAN traffic through a remote server through a VPN. For sake of completition, lets say there is a remote server running debian sqeeze where a VPN server is to be installed. The network is then to behave so that if the VPN is not operative, it is separated from the outside world. I am familiar with general system/network practices, but lack the specific detailed knowledge to accomplish this. Please suggest the right approach, packages and configurations you'd use to reach said solution. I've also envisioned the following network configuration, please improve it if you see fit: ==LAN== Client ip:10.1.1.x nm:255.0.0.0 gw:10.1.1.1 reached via WLAN Wlan router 1: ip: 10.1.1.1 nm:255.0.0.0 gw: 10.10.10.1 reached via ETH Homeserver: <<< VPN is initiated here, and the other endpoint is somewhere on the internet. eth0: ip:10.10.10.1 nm: 0.0.0.0 gw:192.168.0.1 reached via WLAN Homeserver: wlan0: ip: 192.168.0.2 nm: 255.255.255.0 gw: 192.168.0.1 reached via WLAN ==WAN== Wlan router 2: ip: 192.168.0.1 nm: 0.0.0.0 gw: set via dhcp uplink connector: cable modem Cable Modem: Remote DHCP. Has on-board DHCP server for ethernet device that connects to it, and only works this way. All this WLAN fussery is because my home server is located in a part of the house where a cable link isnt possible unfortunately.

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• How do I set up Tomcat 7's server.xml to access a network share with an different url?

  - by jneff

  I have Apache Tomcat 7.0 installed on a Windows 2008 R2 Server. Tomcat has access to a share '\server\share' that has a documents folder that I want to access using '/foo/Documents' in my web application. My application is able to access the documents when I set the file path to '//server/share/documents/doc1.doc'. I don't want the file server's path to be exposed on my link to the file in my application. I want to be able to set the path to '/foo/Documents/doc1.doc'. In http://www3.ntu.edu.sg/home/ehchua/programming/howto/Tomcat_More.html under 'Setting the Context Root Directory and Request URL of a Webapp' item number two says that I can rename the path by putting in a context to the server.xml file. So I put <Host name="localhost" appBase="webapps" unpackWARs="true" autoDeploy="true"> <!-- SingleSignOn valve, share authentication between web applications Documentation at: /docs/config/valve.html --> <!-- <Valve className="org.apache.catalina.authenticator.SingleSignOn" /> --> <!-- Access log processes all example. Documentation at: /docs/config/valve.html Note: The pattern used is equivalent to using pattern="common" --> <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs" prefix="localhost_access_log." suffix=".txt" pattern="%h %l %u %t &quot;%r&quot; %s %b" /> <Context path="/foo" docBase="//server/share" reloadable="false"></Context> </Host> The context at the bottum was added. Then I tried to pull the file using '/foo/Documents/doc1.doc' and it didn't work. What do I need to do to get it to work correctly? Should I be using an alias instead? Are there other security issues that this may cause?

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• Is domain-transfer inherently safe for downtime when the name servers remain the same?

  - by jlmt

  I've been reading around this topic towards understanding whether there's some or no chance of downtime during an upcoming domain transfer for 15 live and very critical domains. In our case there are three companies involved: CompanyA is the original registrar and DNS host, CompanyB is the new DNS host, and CompanyC is the new registrar. I've already changed the nameservers for all domains to those of CompanyB. We suffered some downtime because CompanyA deleted their hosted DNS for our domains directly after the change, but the changes propagated and we're now able to configure our DNS with CompanyB. From what I understand (please correct where wrong!): There exists an SOA record that points oneofourdomains.com to ns.companyb.com. That record is maintained and authoritatively hosted by the ccTLD registry for the domain (eg. Verisign for .com). CompanyA currently has the ability to change the SOA record because they're the registrar. There exist NS records for oneofourdomains.com, which are also related to the link from domain name to nameserver, are similarly hosted by the ccTLD, and which CompanyA are also able to change while acting as registrar. Neither CompanyB nor CompanyC currently have any control over the SOA or NS records. CompanyA are unable to cause us (DNS) problems during the transfer by dropping service early, because they are not the authoritative source for the SOA and NS records. When we transfer the domains, it's administrative control of the SOA and NS records that will be transferred to CompanyC. As long as we advise CompanyC that the SOA and NS records must not change (as regards pointing to CompanyB's nameservers), there's no need for any kind of DNS change, and therefore no possibility of downtime. Is my understanding of this correct? My fear is that CompanyA will somehow cut us off again, and their support dept hasn't given me much confidence in their understanding of the topic.

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• PXELinux and compressed kernels/images

  - by Yvan JANSSENS

  Is it possible to boot compressed kernels with a compressed initrd with PXELinux? First, a little background: We created a custom Linux distro, for diskless OpenCL computing nodes. We want those nodes to fetch their OS from the network. Our Distro is composed out of a kernel (duh) and a large initrd which is loaded into RAM and everything is executed from there. We chose to run everything off the initrd for two reasons: NFS was not an option to serve the filesystem's extra contents Fast file access from RAM. No persistent storage needed, data and config is pulled dynamically through a SOAP service. Now our initrd is about 450M in size. At our network speeds, it takes about two to three minutes to load a single client. Will compression speed up te downloading, and if yes, which one should be used? Is LZMA supported by PXELinux, or do we need to stick to bzip2 or gzip? Because of the 2-3 minutes loading time, booting 15 nodes over the same network link takes quite a lot of time. We decided not to use hard drives or CD/DVD drives, for financial reasons (cheapest HDD @ €30 times 15 is a lot of money saved ;-) ) So, our question is: what compression options are available for this setup? And how do we do this? Thank you for your time! Yvan Janssens

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• Why database partitioning didn't work? Extract from thedailywtf.com

  - by questzen

  Original link. http://thedailywtf.com/Articles/The-Certified-DBA.aspx. Article summary: The DBA suggests an approach involving rigorous partitioning, 10 partitions per disk (3 actual disks and 3 raid). The stats show that the performance is non-optimal. Then the DBA suggests an alternative of 1 partition per disk (with more added disks). This also fails. The sys-admin then sets up a single disk, single partition and saves the day. The size of disks was not mentioned but given today,s typical disk sizes (of the order of 100 GB), the partitions ; would be huge, it surprises me that a single disk with all partitions outperformed. Initially I suspect that the data was segregated and hence faster reads. But how come the performance didn't degrade as time went by with all the inserts and updates happening? Saw this on reddit, but the explanation was by far spindle/platter centered. There was no mention in the article about this. Is there any other reason? I can only guess that the tables were using a incorrect hash distribution causing non-uniform allocation across disks (wrong partitioning); this would increase fetch times. Any thoughts?

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• virtual host settings fail on multiple sites

  - by Ricalsin

  Wow. I'm puzzled. On my ubuntu system I've setup an apache2 server and configured three virtual hosts in the /etc/apache2/sites-available directory. a2ensite to symbolic link the sites-enabled. The first two work great; a simple url of localhost.mysitenames.com works great for the first two sites, both finding their DocumentRoot and Directory paths. The third always generates a Bad Request (Invalid Hostname) response. No server error.log as it never hits it. I've copied/pasted the working vhost files, made the minor changes to the ServerName, DocumentRoot and Directory and the same problem persists. I always "sudo /etc/init.d/apache2 restart" whenever I make a change. I've cleared the browser cache as well. No love. There's not a limit to the number of sites you can host, right? My goal was a localhost development environment with the expectation I can run any number of websites locally before pushing them to a live server. Any thoughts on how to debug this? Or, just a simple solution I am missing?

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• exchange server 2010 with multiple domains

  - by air

  i have one exchange server 2010, which is working fine with one domain. my exchange is working as follows pop3 collector collect emails from one master catchall account and then deliver to exchange server, this working perfect. now what i want to add another domain to same exchange, i have added new domain as trusted domain & email policy and this new domain email account works fine with internal emails. now what i have done, i again forward new email account to same catchall account. but if i send email from any other external email address email is bounce, i can see email receive by pop3 collector but bounce by exchange server. to make you more clear let me explain logic on which i am working. i have 2 domains 1. domain1.com ([email protected]) 2. domain2.com ([email protected] -->[email protected]) now on my machine with exchange server i have pop3 collector which collect all emails from [email protected] and forward to exchange 2010 server. all emails to domain1.com is working perfect but when i send email to [email protected] this email redirect to [email protected] perfectly but when exchanger server receive this email, it bounce. i have also study the url link text and follow the whole process but no success. i also check that my DNS/MX is working fine as the bounce message is going from my exchange server. EDIT the only problem is with accepted domain, as email come to exchange server then bounce back. i just try this today i create one user called test, then i goto his properties -- email there was only one email account [email protected] i try to send email to [email protected] from internet (email bounce) then again i go to test user properties -- email and Add one email [email protected] again u try to send email to t*[email protected]* from internet (email received) i think the only problem is with accepted domain but in hub transport , it shows accepted is there any way to check does domain is properly accepted or not in exchange 2010 server. Thanks

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• VPN: Disable class based route addition for Windows XP/Vista

  - by brgsousa

  Paraphrasing this SuperUser link: When you set up a VPN, the Windows default is to enable "Use default gateway on remote network." A new default route is added to the routing table pointing to the remote network's gateway, and the existing default route has its metric increased to force all Internet traffic to traverse the tunnel and use the remote network's gateway. All traffic uses the VPN, and traffic destined for the outside world is directed to the remote gateway. When the VPN drops, the route to the remote gateway is removed and the original default route is set back to the original metric. Unchecking "use default gateway on remote network" means that new default route isn't added, so Internet traffic goes out the local gateway, but a new classful route is added to the routing table, using the local adapter's IP, pointing down the VPN. Only traffic destined for the classful network of the local adapter goes down the VPN. This may not be what you want. Checking "Disable class based route addition" means that classful route isn't added to your machine when the VPN starts up, and you'll need to add the appropriate routes for networks that should be routed through the tunnel. But, the option "Disable class based route addition" is available ONLY for Windows 7. How can I do something like that for Windows XP or Vista since they don't have that option? I have searched about for that but, no solution yet.

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• Have a set a cgi scripts shared by multiple domains

  - by rpat

  Goal: Have multiple domains share a set of cgi(perl) scripts Environment: Apache 2.0 on a dedicated Cent OS server. (Apache configuration files generated by cPanel) I have dozens of domains on the dedicated server. The domains set up by cPanel under VirtualHost section. I have almost no knowledge of Apache. Most of what I do is taken care of by cPanel. I would like to put a set of scripts under one directory (perhaps under / or /opt ) and for each of the domains, under the individual cgi-bin, I would like to create a symbolic link to this common directory. This way I am hoping to avoid having to keep a copy of scripts for every domain. Since Apache config files are generated by cPanel, I would not like to manually make changes to those. Beside, I could mess things up. I see that cPanel recommends use of include files rather than changing the httpd.conf Perhaps I need to have the following of symbolic links enabled in the cgi-bin directory and allow the web server user execute the scripts not owned by it. May be I am making things more complicated than they are. I would be glad to use any other means to achieve my goal. Thanks in advance for your help. *I asked this on stackoverflow and some one suggested that I could ask this on serverfault.

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• How do I get Tomcat 7 to start up faster in Linux CentOS kernel version 2.6.18?

  - by user1786833

  I am experiencing a problem with slow start up times for Tomcat 7. I have done some testing by tweaking configuration parameters both on Linux CentOS kernel version 2.6.18 and on Windows 7 using this link as my primary guide: http://wiki.apache.org/tomcat/HowTo/FasterStartUp and managed only a modest improvement. The improvements seemed to result when I added metadata-complete="true" attribute to the element of my WEB-INF/web.xml file and when I added the names of almost all the jars we use for our application to the tomcat.util.scan.DefaultJarScanner.jarsToSkip property in conf/catalina.properties file. I've also used this JAVA_OPTS in the setenv.sh file: JAVA_OPTS="$JAVA_OPTS -server -Xms1536m -Xmx1536m -XX:MaxPermSize=256m -XX:NewRatio=2 -XX:+UseParallelGC -XX:ParallelGCThreads=2 -Dsun.rmi.dgc.client.gcInterval=1800000 -Dsun.rmi.dgc.server.gcInterval=1800000 -Dorg.apache.jasper.runtime.BodyContentImpl.LIMIT_BUFFER=true " but actually saw my start up times increase slightly. Our QA and production environments are on Linux CentOS so I'm hoping to get more information on improving Tomcat 7 start up times in that environment. My primary role is java developer and I don't have much system administration experience so I appreciate any input. Thank you for your time and suggestions.

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• after building in more ram, bios/debian does nothing [closed]

  - by derty

  My private server has 2x1gb Ram working with a 64bit Debian and an Q6600 Intel. This runs 2 virtual mashines on it each one recives 512mb RAM. Which you can immagine is a bit tight for the hole system. Now i got 2x2gb ram from a friend. I'm not sure if thery are clocking at the same speed, but i'm sure my power adaptor is not on his limit and can handle that. So there are 2 ram sockets left at the mainboard. I shuted down the system and build in the 4 gigs and looked what happen. After pressing the start button, everything gets noisy as known BUT the screen shows nothing, not even the bios stuff it usally does. Why isn't the system booting? I can immagine that it does not direkt link between booting debian and the bios not showing a thing. Or is it Grub? I mounted the system disk, and i can see it, switch folders write stuff with "vim" it does not seems like there is a problem.

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• Undo Google Sync in chrome

  - by iamcreasy

  I didn't know that my google account wasn't in sync with my chrome for the last couple of months and now that I have link again, the restored record is several months old. Now, that I've lost all my recent bookmarks and all other stuff...is there anything or anyway so I could revert the Google sync so I can get my bookmarks back? Update 1 I have found that under C:\Users\Profile_Name\AppData\Local\Google\Chrome\User Data\Default there is a file named Bookmarks.bak that holds the old state of my bookmarks before the sync. Update 2 Bookmarks is the file that holds the current(after sync) bookmark list. I replaced Bookmarks with Bookmarks.bak and restarted chrome, but still chrome isn't fetching information from the updated file. So, I have my old bookmark information, but how to restore it in chrome. Update 3 : solved I still couldn't figure out why replacing the bookmarks file didn't work and aparently that's the only solution available on web. I reinstalled everything and then copied the old bookmarks file. Then I got my bookmarks back again. Lession learned : Check regularly if google sync is working.

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• can't install anything anymore with apt-get

  - by Aymane Shuichi

  Welcome this is the log I have when trying to install anything (php5-fpm after removing it) apt-get install php5-fpm Reading package lists... Done Building dependency tree Reading state information... Done php5-fpm is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? y Setting up php5-fpm (5.4.4-14+deb7u10) ... insserv: warning: script 'S55IptabLes' missing LSB tags and overrides insserv: warning: script 'S55IptabLex' missing LSB tags and overrides insserv: There is a loop between service IptabLes and mountnfs if started insserv: loop involving service mountnfs at depth 8 insserv: loop involving service networking at depth 7 insserv: loop involving service mountnfs-bootclean at depth 10 insserv: There is a loop between service rc.local and mountall if started insserv: loop involving service mountall at depth 6 insserv: loop involving service checkfs at depth 5 insserv: loop involving service kbd at depth 11 insserv: There is a loop between service rc.local and mountall-bootclean if started insserv: loop involving service mountall-bootclean at depth 7 insserv: loop involving service urandom at depth 9 insserv: There is a loop between service IptabLes and mountdevsubfs if started insserv: loop involving service mountdevsubfs at depth 2 insserv: loop involving service udev at depth 1 insserv: There is a loop at service rc.local if started insserv: There is a loop at service IptabLes if started insserv: Starting IptabLes depends on rc.local and therefore on system facility `$all' which can not be true! (x99 times repeated ) insserv: Max recursions depth 99 reached insserv: loop involving service postfix at depth 2 insserv: There is a loop between service IptabLes and udev if started insserv: loop involving service mountkernfs at depth 1 insserv: loop involving service IptabLes at depth 1 Now here is the error i get insserv: exiting now without changing boot order! update-rc.d: error: insserv rejected the script header dpkg: error processing php5-fpm (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: php5-fpm E: Sub-process /usr/bin/dpkg returned an error code (1) The biggest operation I held before this was updating nginx from 1.2 to 1.6 and it was thanks to this site : here is the link : How to upgrade nginx from 1.2 to 1.6 on debian 7 Please help !

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• Network card shuts down when stressed

  - by user142485

  I have a network card that functions fine with light use, but quits functioning after heavy use. I replaced it with a brand new one and still have the same issue, also updated drivers. It is a wired D-Link card. The Internet seems fine for a small amount of web browsing but when I run a bandwidth test it starts out fast and slows quickly until the card completely quits; I have a constant ping of the gateway going while I run this and it starts timing out after a couple seconds into the speed test. The card will stay on and the data light on it still flashes some but I cannot ping the gateway or anything else until the computer is rebooted. When I boot into safe mode I can browse and run the speed test fine with no problems. I am guessing that this is probably some program that is loading in regular mode but not safe mode that is causing the issue? I have very limited software (turned off av and firewall) on the computer but I am thinking that I'll just have to start eliminating start-up programs and see if that helps. This is on Windows 7 if that makes any difference. Anyone had a similar issue or have any other suggestions/ideas for narrowing down this problem?

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• sql server uninstallation issue

  - by angel

  I'm unable to remove SQL Server 2008 sp1 completely from my system. I'm using windows 7 ultimate. Everytime I try uninstalling it i get the following error. How can I remove it? here is the log: Overall summary: Final result: Failed: see details below Exit code (Decimal): -2068643839 Exit facility code: 1203 Exit error code: 1 Exit message: Failed: see details below Start time: 2013-06-24 21:10:38 End time: 2013-06-24 21:21:17 Requested action: Uninstall Log with failure: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\sql_rs_Cpu64_1.log Exception help link: http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=10.0.1600.22 Machine Properties: Machine name: ABHI-PC Machine processor count: 4 OS version: Windows Vista OS service pack: Service Pack 1 OS region: United States OS language: English (United States) OS architecture: x64 Process architecture: 64 Bit OS clustered: No Product features discovered: Product Instance Instance ID Feature Language Edition Version Clustered Sql Server 2008 MSSQLSERVER MSRS10.MSSQLSERVER Reporting Services 1033 Enterprise Edition 10.0.1600.22 No Sql Server 2008 Management Tools - Basic 10.0.1600.22 No Package properties: Description: SQL Server Database Services 2008 SQLProductFamilyCode: {628F8F38-600E-493D-9946-F4178F20A8A9} ProductName: SQL2008 Type: RTM Version: 10 SPLevel: 0 Installation edition: ENTERPRISE User Input Settings: ACTION: Uninstall CONFIGURATIONFILE: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\ConfigurationFile.ini FEATURES: RS,SSMS,SNAC_SDK,CE_RUNTIME,CE_TOOLS,SNAC HELP: False INDICATEPROGRESS: False INSTANCEID: INSTANCENAME: MSSQLSERVER MEDIASOURCE: QUIET: False QUIETSIMPLE: False X86: False Configuration file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\ConfigurationFile.ini Detailed results: Feature: SQL Client Connectivity Status: Skipped MSI status: Passed Configuration status: Passed Feature: SQL Client Connectivity SDK Status: Skipped MSI status: Passed Configuration status: Passed Feature: Reporting Services Status: Failed: see logs for details MSI status: Passed Configuration status: Failed: see details below Configuration error code: 0xFFD65603 Configuration error description: Input string was not in a correct format. Configuration log: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\Detail.txt Feature: SQL Compact Edition Tools Status: Passed MSI status: Passed Configuration status: Passed Feature: SQL Compact Edition Runtime Status: Skipped MSI status: Passed Configuration status: Passed Feature: Management Tools - Basic Status: Failed: see logs for details MSI status: Passed Configuration status: Passed Rules with failures: Global rules: There are no scenario-specific rules. Rules report file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20130624_210908\SystemConfigurationCheck_Report.htm

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• Many clients on a wireless AP for UDP broadcast packets

  - by distorteddisco

  I asked this question on StackOverflow and was directed over here, so I'd appreciate any advice. I'm deploying a smartphone application as part of a live music performance that depends on receiving UDP broadcast packets from a wireless access point. I'm guessing that between 20 and 50 clients will be connected at any one time. I'm aware that a maximum of 20 clients per access point is advised, but as the UDP broadcast packets are ground through the LAN, how would I be able to link multiple APs together? I'm looking for recommendations on a suitable AP for this. The actual data transmission rates are very low - only a few kB/s - as I'm just sending small messages to the smartphone apps, and there will be no WAN internet connection. I tried it with a few connected peers on an adhoc wireless connection without any problems, but ran into dropped packet issues on an old WRT54G running ddwrt, though it's in pretty rough shape. What's the best way to do this? I suppose I could limit concurrent wireless connections to 20 clients... but more would be nice. EDIT: I should also say that it's purely one-way communication; the smartphone application is only receiving broadcast packets, not sending anything.

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• XBMC remote control key repeat

  - by Amigable Clark Kant

  Those who have used XBMC with a WiFi remote, such as an Android or iOS device with the official XBMC remotes, have probably seen this at one time or another: your remote stops working, when you press a key, that key is repeated very fast. Sometimes you can break the key repeat loop by pressing that same key again. Sometimes (as this particular morning) you can not. This problem has existed for literally years (it even occurs on the old XBOX only builds) but there seems to be no definite explanation as to what is causing it. I am asking for a workaround. (If you Google, you can find threads were people are ridiculed for bringing up this problem, which is one reason I ask here instead of on the official forums. Also the fact that this problem has persisted for so many years.) I am running, right now, XBMCBuntu Live Eden and the latest official iOS remote. Although, I have seen this problem on all combinations of remotes and XBMC versions I have tried over the years, which are many. (XBMC on Windows, Linux, OSX, remotes on Android and iOS.) Link to bug #136 for the Android remote. It's marked as "fixed" as of client version 636, but the problem is seen again in rev 730. Go figure. There is something fundamentally wrong with how keypresses are sent from the various remotes to XBMC, since this problem is seen across time, XBMC versions and iOS/Android.

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• What does SQL Server's BACKUPIO wait type mean?

  - by solublefish

  I'm using Sql Server 2008 ("R1"), with some maintenance plans that back up my databases to a network share. Some of my backup jobs show long waits of type "BACKUPIO". Of course it seems like this is an I/O subsystem limitation, but I'm skeptical. Perfmon stats for I/O on the production (source) server are well within normal trends for that server. The destination server shows a sustained 7MB/s write rate, which seems incredibly low, even for a slow disk. The network link is gigabit ethernet and nowhere near saturated. The few docs I've turned up about BACKUPIO indicate that it's not specifically a wait on I/O, surprisingly enough. This MSFT doc says it's abnormal unless you're using a tape drive, which I'm not. But it doesn't say (or I don't understand) exactly what resource is missing. http://www.docstoc.com/docs/24580659/Performance-Tuning-in-SQL-Server-2005 And this piece says it's not related to I/O performance at all. http://www.informit.com/articles/article.aspx?p=686168&seqNum=5 "Note that BACKUPIO and IO_AUDIT_MUTEX are not related to IO performance." Anyway, does anyone know what BACKUPIO actually means and/or what I can do to diagnose or eliminate it?

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