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• How to setup port forwarding from my Webserver (apache) to my Database server (mysql)

  - by karman888

  Hello again guys, and thank you for your help so far. Here is my problem: I have two remote dedicated servers, one webserver that runs apache, and one db server that runs mysql. The apache server is visible on the internet of course, but the second server is only visible to the apache server because they are connected with LAN. I need to connect to the remote mysql server through internet from my home-pc , but only apache server is visible to my home-pc. How can i setup port-forwarding from my apache server to the mysql server so i will be able to "see" the mysql server from my home-pc? This question is a follow-up from my first question Connect to remote mysql server from my application. Problem is that Mysql server is on LAN in which you answered me and helped me a lot by telling me to do "port-forwarding". I looked over the internet, and i cant find a good how-to to do port-forwarding. I'm an experienced programmer, but have little experience on hardware and networks. I can understand though what must be done, so i just need a litle help to sort things out :) I hope you can help me guys, Thank you in advance p.s. machine that Apache is running is on CentOS, mysql server also CentOS. p.s2 webserver runs WebHostManager i dont know if that makes any difference or it can be made easily through this, i just mention it :)

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• How to play WAV file through Network Paging Interface

  - by BGM

  In our building we have a Viking Paging ZPI-4 Interface for our intercom. The interface receives data from our Asterisk Phone system via a Cisco SPA112 Port Adapter which has it's own IP address on the network and converts digital into analog. Asterisk plays the "5" tone and then allows the user's voice to commence over the connection. Now, what I want to do is to play a wav file over this Viking Paging device using the Cisco Port Adapter. I know how to get Asterisk to do it, but I want to do this without Asterisk. I want some kind of program that can talk to the Cisco Port Adapter and then transmit the wav file into the Viking Paging Device. What kind of program do I need to get or make? Now, I found this link if it helps anyone with ideas. I also found this information, but I'm not sure how to apply it. I also found this, but it involves an arduino. However, I already have the analog-to-digital convertor, and the Viking will handle sending sound over the paging speakers. I just need to know how to send the wav file to the Viking via the Port Adapter. So far, I know my wav file should be formatted as 8bit mono, and I need to send the "5" tone to open the Viking Pager's channel. [update] I am trying to figure out if I can use VLC player to stream to the ipaddress of the Port Adapter. So far I'm not having success with that, and don't even know if it will work. Windows Media Player has a streaming option too. I am thinking that since the Cisco Port Adapter thinks it is a sort of phone, that the only way this can be done is via SIP.

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• How to make an x.509 certificate from a PEM one?

  - by Ken

  I'm trying to test a script, locally, which involves uploading a file using a Java-based program to a FileZilla FTPES server. For the real thing, there is a real certificate on the FZ server, and the upload step (tested alone) seems to work fine. I've installed FileZilla Server on my dev box (so it'll test uploading from localhost to localhost). I don't have a real certificate for it, of course, so I used the "Generate new certificate..." button in FZ. It works fine from an interactive FTPES program (as long as I OK the unknown cert), but from my Java program it throws a javax.net.ssl.SSLHandshakeException ("unable to find valid certification path to requested target"). So how do I tell Java that this certificate is OK with me? (I know there's a way to change the Java program to accept any certificate, but I don't want to go down that route. I want to test it just as it will happen in production, and I don't want to ignore unknown certificates in production.) I found that Java has a program called "keytool" that seems to be for managing this sort of thing, but it complains that the certificate file that FZ generated is not an "x.509" file. A posting from the FZ side said it was "PEM encoded". I have "openssl" here, which looks like it's perfect for converting between certificate formats, but I think my understanding of certificate formats is wrong because I'm not seeing anything obvious. My knowledge of security certificates is a bit shaky, so if my title is stupidly wrong, please help by fixing that. :-)

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• Openbsd init script for ssh VPN tunnel

  - by manthis

  I have a server hosting SSH tunnels and Openbsd 4.5 clients connecting to it. Things work just fine but I am in the need of automating the connection from the client to the server. So that if the client is accidentally rebooted, then the connection initiates unattended. So it should be as straight forward as to include the ssh connection in an init script. However I have miserably failed to do so by including it to /etc/rc.local, which is the file I usually do this sort of things in. Right now I am using autossh to also restart the connection if necessary and the script that I put on /etc/rc.local follows: #!/bin/sh # # Example script to start up tunnel with autossh. # # This script will tunnel 2200 from the remote host # to 22 on the local host. On remote host do: # ssh -p 2200 localhost # # $Id: autossh.host,v 1.6 2004/01/24 05:53:09 harding Exp $ # ID=root HOST=example.com #AUTOSSH_POLL=600 #AUTOSSH_PORT=20000 #AUTOSSH_GATETIME=30 #AUTOSSH_LOGFILE=$HOST.log #AUTOSSH_DEBUG=yes #AUTOSSH_PATH=/usr/local/bin/ssh export AUTOSSH_POLL AUTOSSH_LOGFILE AUTOSSH_DEBUG AUTOSSH_PATH AUTOSSH_GATETIME AUTOSSH_PORT autossh -2 -f -M 20000 ${ID}@${HOST} The script detaches just fine when run manually so I just include it on /etc/rc.local as echo -n 'starting local daemons:' if [ -x /usr/local/sbin/autossh.sh ]; then echo -n 'ssh tunnel' /usr/local/sbin/autossh.sh fi echo '.' I have also tried calling it from /etc/hostname.tun0 in case there may be issues with /etc/rc.local not being called at the right time when network connections are ready, so I would use: inet 10.254.254.2 255.255.255.252 10.254.254.1 !/usr/local/sbin/autossh.sh Your input is highly appreciated.

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• Server 2003 and SSL Certificates

  - by Keith Stokes

  I have a Windows 2000 domain with dozens of Windows 2000 servers and a few 2003 servers. Each server runs a custom app talking to a 3rd party utilizing self-signed certificates. To help troubleshooting we've created a custom test app. The 2000 servers are able to talk within seconds. The 2003 servers take anywhere from 10-30 seconds using a domain account and much less, usually under 5 seconds using a local account. The only exception to the local account performance is a new account, which is slow initially then faster. If you leave the test app open and reconnect repeatedly it talks in seconds. If you leave it open for sometime between 1 and 2 hours, it reverts back to the previous 10 seconds, so obviously something is caching. Installing the destination certificates in the local 2003 server store makes no difference. I've installed the certificates in AD and that apparently makes domain accounts work in 9-12 seconds, vs 30 seconds that was regular before. Manually clearing the certificate store on the 2003 server makes no difference. I'm at a loss as to where the certs might be cached and if I'm using some sort of domain certificate store that's hiding from me.

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• Moving a site from IIs6 to IIS7.5

  - by Sukotto

  I need to move a site off of IIS6 (Win Server 2003) and onto IIS7.5 (Win Server 2008) as soon as possible. Preferably tomorrow. The site itself is a delightful mix of classic asp (vbscript) and one-off asp.net (C#) applications (each asp.net app is in its own virtual dir and has a self-contained web.config). In case it's relevant, this is a sort of research site made up of 40 or 50 unconnected microsites. Each microsite is typically a simple form allowing a user to submit a form, which then runs a Stored Proc on a sqlserver db and displays a chart and/or table of the results. There is very little security to worry about. The database connection info is in a central file (in the case of the classic asp) or app's individual web.config (lots of duplication there) To add a little spice to the exercise... I have no idea how to admin IIS The company no longer employs the sysadmin or the guys who set this thing up. (They're not going to employ me much longer either but my sense of professional pride does not permit me to just walk away from this task). The servers are on mutually firewalled networks and I have to perform a convoluted, multi-step process to copy anything from one to the other. Would someone please point me to a crash-course tutorial for accomplishing the above? I have: a complete copy of the site's filesystem on the new box installed the 3rd party charting tool on the new system a config.xml file from the "all tasks - save configuration to a file" right click menu. There doesn't seem to be a way to import it on the new system however. The newer IIS manager has a completely different UI and I'm totally lost. Please help.

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• Mesh Networked servers via vpn

  - by microspino

  I got a design idea and I would like to have some advice from SF about It. I have 5 customers with small real-estate databases. I've built for them a desktop app and now they would like to merge their database to share their data. I don't want to centralize everything in one place nor I want to do maintenance for servers. They told me also, that all of them in their offices, have little servers and maintenance guys available. Although everything seems suitable for web application, I had the idea to experiment something new: Any customer small-server wild be connected to the others in a sort of mesh network without a single point of failure and through VPNs. If one of the servers went down the customers could still connect to their databases from one of the other mesh networked servers instead of from the local one that is down. During normal operations all the servers sync the db with the others through VPNs. I can accept a half-day timing window of NON synched data, in other words, since I don't need real time synchronization, the server don't have to always stay in synch. I can migrate my data over to other Non-Sql technologies like CouchDB or Redis or whatever you suggest. As you can see I don't have a lot of constraints and although I could go with a web application I would like to delegate and decentralize support, data-privacy and management, as more as I can to my customers offices. Is that a crazy idea? Do you know If something similar exist? Which technology would you suggest?

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• h264 inside FLV container vs. MP4 container?

  - by Gotys

  I am developing a tube site, and currently having issues with h264 format . By looking at youtube, I noticed they are putting their hi-def videos into mp4 container, so logically I did the same. Next, I installed mod_h264_streaming for lighttpd to make streaming and timeline-scrubbing work. Problem is, that large files (500mb+ at somewhat high resolution) take for EVER to even start buffering ( I read the flowplayer or other flash players need to download metadata first) . I moved the xmov atom to the front of the file with MP4Box (i tried qt-quickstart too) , and the problem didn't go away. Next I read online I need to interleave audio tracks, so I did that too. No change in slowness. So I tried putting the same exact h264 movie into an FLV container, and the playback buffering starts almost instantly - no slowness. So what am I missing here? Why would I choose MP4 container with mod_264_streaming module , which seems super-slow over a regular FLV container with lighttpd's built-in mod_flv_streaming ? Obviously many websites pick mp4 container , but I fail to understand why ? And as a side question - I tried using HTML5's VIDEO tag to try the same h264 MP4 movie, and the scrubbing is LIGHTING FAST! I looked into lighttpd's log file, and i noticed taht Flash Players append video.mp4?start=234 each time timeline is scrubbed, wheres HTML5's video tag does no such thing . Is this some sort of limitations of Flash ? Why Can't flash streaming be same fast as HTML5 streaming? Thanks to ALL who can help. I very much appreciate this community.

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• When modern computers boot, what initial setup of RAM do they execute, and how does it exactly work?

  - by user272840

  I know the title reeks of confusion, and some of you might assume I am just wondering about how the computer boots in general, but I'm not. But I'll sort this out for you people now: 1.Onboard firmware is how mostly all modern computer devices work, whether or not with EFI/UEFI(even without "onboard firmware", older computers still employed bank switching, or similar methods with snap-in firmware, cartridges, etc.) 2.On startup there is no "programs" running in the traditional sense yet, i.e. no kernel, OS, user-applications; all of the instructions, especially the very first instruction, is specified by the Instruction Pointer, I am guessing. How is the IP/PC/etc. set to first point to an address for a BIOS/firmware/etc. instruction, and how do the BIOS instructions map themself out in memory prior to startup? 3.Aside from MMIO, BIOS uses certain RAM addresses to have instructions. The big ? comes in when I ask this ... how does BIOS do this? Conclusion: I am assuming that with the very first instruction there is an initial hardware setup for BIOS prior to complete OS bootup. What I want to know is if it's hardware engineered to always work this way, if there's another step in this bootup method I am missing, a gap of information I am unaware of, or how this all works from the very first instruction, and the RAM data itself.

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• How do I count the times each number appears in columns of numbers?

  - by Andy C.

  I am sure this must be easy, but I am inexperienced. About the best way to think of my problem is to think of it as trying to sort and then count lottery numbers. To stay simple, let's do a Pick 3 game. Let's look at 10 drawings. I would split each drawn number into a separate column: DATE BALL#1 BALL#2 BALL#3 3/1 1 3 5 3/2 3 7 8 3/3 2 2 1 3/4 5 7 6 3/5 2 3 1 3/6 0 5 9 3/7 3 7 0 3/8 6 8 4 3/9 2 4 3 3/10 7 1 2 I would like to be able to build formulas into cells that would tell me how many times each number appeared overall, and how many times each number appeared in the position it occurred. Like this (using the above example): Number Overall Count Ball#1 Count Ball#2 Count Ball#3 Count 0 2 1 0 1 1 4 1 1 2 (That is, The number zero appears twice overall, and came up once as the first number drawn; zero times as the middle ball; and once as the third ball. Likewise, the number 1 was drawn four times in our 10-day period. It was the first ball once, the second ball once and the third ball twice.) And so on. All help appreciated. I have access to Excel and Microsoft Works, or of course if there is a Google Docs way to handle this All thanks for any help.

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• Pinging computer name in LAN results in public IP?

  - by Bob

  Hi, I recently introduced a new machine to my LAN. The computer name for this machine is 'server'. Historically I've been able to access machines from my home network (from a web browser or RDP) using the machine name and it resolves to a local IP address just fine. However, I can't seem to do this anymore. When I ping the computer name, I get the following: C:\Users\Robert>ping server Pinging server.router [67.215.65.132] with 32 bytes of data: Reply from 67.215.65.132: bytes=32 time=24ms TTL=54 Reply from 67.215.65.132: bytes=32 time=23ms TTL=54 Reply from 67.215.65.132: bytes=32 time=24ms TTL=54 Reply from 67.215.65.132: bytes=32 time=24ms TTL=54 I notice also that it appends the 'router' suffix to my domain name for some reason. 'router' is the name of my router, obviously. I'm also using OpenDNS as my DNS provider (configured through my router so it gets passed down through DHCP). Why is this not working for me? Can someone explain how the DNS resolution should take place? For LAN resolution, it shouldn't go straight to OpenDNS. I thought that each Windows machine kept it's own sort of "mini DNS server" that knows about all machines on the local network and it first tries to resolve using that. Please let me know what I can do to get this working!

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• SELinux - Allow multiple services access to same /home/dir

  - by Mike Purcell

  I currently have SELinux enabled and have been able to configure apache to allow access to /home/src/web with a chcon command granting the 'httpd_sys_content_t' type. But now I am trying to serve the rsyslogd.conf file from the same directory, but every time I start rsyslogd I see an entry in my audit log saying that rsyslogd was denied access. My question is, is it possible to grant two applications the ability to access the same directory, while still keeping SELinux enabled? Current perms on /home/src: drwxr-xr-x. src src unconfined_u:object_r:httpd_sys_content_t:s0 src Audit log message: type=AVC msg=audit(1349113476.272:1154): avc: denied { search } for pid=9975 comm="rsyslogd" name="/" dev=dm-2 ino=2 scontext=unconfined_u:system_r:syslogd_t:s0 tcontext=system_u:object_r:home_root_t:s0 tclass=dir type=SYSCALL msg=audit(1349113476.272:1154): arch=c000003e syscall=2 success=no exit=-13 a0=7f9ef0c027f5 a1=0 a2=1b6 a3=0 items=0 ppid=9974 pid=9975 auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=30 comm="rsyslogd" exe="/sbin/rsyslogd" subj=unconfined_u:system_r:syslogd_t:s0 key=(null) -- Edit -- Came across this post, which is sort of what I am trying to accomplish. However when I viewed the list of allowed sebool params, the only relating to syslog was: syslogd_disable_trans (SELinux Service Protection), seems like I can maintain the current SELinux 'type' on the /home/src/ dir, but set the bool on syslogd_disable_trans to false. I wonder if there is a better approach?

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• Task scheduled to wake laptop - only works when lid is open

  - by JD Pack

  I am running Windows 7 Starter on an Acer Aspire One laptop. I want my laptop to automatically run a task (backup the HDD to a network drive) once a week in the middle of the night. I scheduled the task in "Task Scheduler" and checked the box to wake the computer to run the task. I also changed the advanced power settings to allow wake timers. This was half of the solution. It now works flawlessly when the lid is open... the computer can wake itself up from either sleep or hibernate mode to perform the backup. When the lid is closed however, its sleeping beauty. Any ideas? I don't want to have to remember to open the lid once a week. It sort of defeats the purpose of an "automatic" backup. Update: I discovered that it can wake from sleep (or hybrid sleep), but not from hibernate when the lid is closed. This is good news. I'd still be curious about how to get it to work from hibernate, but I'm pretty happy about waking from sleep at least.

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• How do I do a mail merge that includes images?

  - by Ian Ringrose

  I am trying to find out the practicalities of doing a mail merge when each “record” to be merged on includes some images. I need to: print letters And envelopes Both the letters and the envelopes have: Fixed text Fixed images Text that come from the mail merge record Images that come from the mail merge record I don’t know if all images will be the same size for every record, so a bit of simple “on the fly” automatic formatting may be needed . I need to be able to repeat a single item if I get a problem (e.g when folding the letter). What problems am I likely to have? Is Word 2007 up to this sort of mail merging, or should I be looking at a report writing tool? How do I restart a print run after a printer jam etc? What format should I store the “records” and there images in? E.g Can standard software cope with images that are stored in separate files named after the “CustomerId” that is in the “record” (I can write custom software if needed, but would rather use standard “of-the-shelf” software for the printing, I am planning on custom software for the data creation, so can output in whatever format is needed)

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• To what extent is size a factor in SSD performance?

  - by artif

  To what extent is the size of an SSD a factor in its performance? In my mind, correct me if I'm wrong, a bigger SSD should be, everything else being equal, faster than a smaller one. A bigger SSD would have more erase blocks and thus more leeway for the FTL (flash translation layer) to do garbage collection optimization. Also there would be more time before TRIM became necessary. I see on Wikipedia that it remarks that "The performance of the SSD can scale with the number of parallel NAND flash chips used in the device" so it seems throughput also increases significantly. Also many SSDs contain internal caches of some sort and presumably those caches are larger for correspondingly large SSDs. But supposing this effect exists, I would like a quantitative analysis. Does throughput increase linearly? How much is garbage collection impacted, if at all? Does latency stay the same? And so on. Would the performance of a 8 GB SSD be significantly different from, for example, an 80 GB SSD assuming both used high quality chips, controllers, etc? Are there any resources (webpages, research papers, presentations, books, etc) that discuss correlations between SSD performance (4 KB random write speed, latency, maximum sequential throughput, etc) and size? I realize this does not really sound like a programming question but it is relevant for what I'm working on (using flash for caching hard drive data) which does involve programming. If there is a better place to ask this question, eg a more hardware oriented site, what would that be? Something like the equivalent of stack overflow (or perhaps a forum) for in-depth questions on hardware interfaces, internals, etc would be appreciated.

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• Sending mails via Mutt and Gmail: Duplicates

  - by Chris

  I'm trying to setup mutt wiht gmail for the first time. It seems to work pretty well, however when I send a mail from Mutt i appears twice in Gmail's sent folder. (I assume it's also sent twice - I'm trying to validate that) My configuration (Stripped of coloring): # A basic .muttrc for use with Gmail # Change the following six lines to match your Gmail account details set imap_user = "XX" set smtp_url = "[email protected]@smtp.gmail.com:587/" set from = "XX" set realname = "XX" # Change the following line to a different editor you prefer. set editor = "vim" # Basic config, you can leave this as is set folder = "imaps://imap.gmail.com:993" set spoolfile = "+INBOX" set imap_check_subscribed set hostname = gmail.com set mail_check = 120 set timeout = 300 set imap_keepalive = 300 set postponed = "+[Gmail]/Drafts" set record = "+[Gmail]/Sent Mail" set header_cache=~/.mutt/cache/headers set message_cachedir=~/.mutt/cache/bodies set certificate_file=~/.mutt/certificates set move = no set include set sort = 'threads' set sort_aux = 'reverse-last-date-received' set auto_tag = yes hdr_order Date From To Cc auto_view text/html bind editor <Tab> complete-query bind editor ^T complete bind editor <space> noop # Gmail-style keyboard shortcuts macro index,pager y "<enter-command>unset trash\n <delete-message>" "Gmail archive message" macro index,pager d "<enter-command>set trash=\"imaps://imap.googlemail.com/[Gmail]/Bin\"\n <delete-message>" "Gmail delete message" macro index,pager gl "<change-folder>" macro index,pager gi "<change-folder>=INBOX<enter>" "Go to inbox" macro index,pager ga "<change-folder>=[Gmail]/All Mail<enter>" "Go to all mail" macro index,pager gs "<change-folder>=[Gmail]/Starred<enter>" "Go to starred messages" macro index,pager gd "<change-folder>=[Gmail]/Drafts<enter>" "Go to drafts" macro index,pager gt "<change-folder>=[Gmail]/Sent Mail<enter>" "Go to sent mail" #Don't prompt on exit set quit=yes ## ================= #Color definitions ## ================= set pgp_autosign

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• program to track recent saved files or downloads?

  - by DiegoDD

  Back to windows XP times, i used a program named Ava Find that can find any file in the system, but a really nice feature it had, called "scout bot" that automatically finds new files, that is, recently created. More info here: AvaFind For example, if i saved or downloaded a file (in any program), but i cant remember its name or where i put it, i just simply looked at the scoutbot list, and it showed me the most recent files, and then i could just open them from there, or jump to their path. Since i changed to windows 7 (passing through vista), the program no longer works. It simply keeps indexing forever and never finds anything. I don't know if it is not compatible with win 7 itself, or because the fact that my windows 7 is 64 bit. I already tried to contact the Avafind creators, but they never answered, and the program seems to be no longer supported (although the site still works). Now, is there a similar program that finds RECENT files? e.g. listing the most recently saved files, system-wide (or even limiting it to some folders, discs)? And that of course, that is confirmed to work with win 7 64 bit. I know that there are many programs that can find any file, like everything, but what i want is to find recent files and their paths, without knowing their name or e. "everything" also can sort results by date, which is almost what i need, simply to look for part of the file name or extension, and get the most recent one. but if i get to many results, it takes a while, plus, i STILL need to know the name or at least extension of the file. What i want is simply a "Most recently Saved files" tool. i.e., a replacement for Scout Bot in Ava Find. Do you know any alternative?

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• logrotate: neither rotate nor compress empty files

  - by Andrew Tobey

  i have just set up an (r)syslog server to receive the logs of various clients, which works fine. only logrotate is still not behaving as intending. i want logrotate to create a new logfile for each day, but only to keep and store i.e. compress non-empty files. my logrotate config looks currently like this # sample configuration for logrotate being a remote server for multiple clients /var/log/syslog { rotate 3 daily missingok notifempty delaycompress compress dateext nomail postrotate reload rsyslog >/dev/null 2>&1 || true endscript } # local i.e. the system's very own logs: keep logs for a whole month /var/log/kern.log /var/log/kernel-info /var/log/auth.log /var/log/auth-info /var/log/cron.log /var/log/cron-info /var/log/daemon.log /var/log/daemon-info /var/log/mail.log /var/log/rsyslog /var/log/rsyslog-info { rotate 31 daily missingok notifempty delaycompress compress dateext nomail sharedscripts postrotate reload rsyslog >/dev/null 2>&1 || true endscript } # received i.e. logs from the clients /var/log/path-to-logs/*/* { rotate 31 daily missingok notifempty delaycompress compress dateext nomail } what i end up with is having is some sort of "summarized" files such as filename-datestampDay-Day and corresponding .gz files. What I do have are empty files, which are eventually zipped. so does the notifempty directive is in fact responsible for these DayX-DayY files, days on which really nothing happened? what would be an efficient way to drop both, empty log files and their .gz files, so that I eventually only keep logs/compressed files that truly contain data?

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• Restoring MBR, partition table, and boot sector of memory card without data loss ("USBC")

  - by Synetech

  Abstract I have a FAT32 memory card that when inserted into a computer causes Windows to prompt to format it. The card is definitely not supposed to be blank and has a bunch of files on it. Symptoms Using a hex-editor/disk-viewer, I examined the card and found that several sectors/clusters have been overwritten with something that has a signature of USBC at the start of the sector. Specifically, the master boot record (and partition table) is gone (hence Windows thinking the card is blank and needing to be formatted), as are the boot sectors (they have the USBC signature and a volume label of NO NAME and partition type of FAT32). Fortunately, it looks like both copies of the FAT are almost entirely intact (a few FAT entries at the start of a cluster here and there seem to be overwritten by USBC). The root directory is also nearly intact—I can see the volume label entry and subdirectory listings, but one sector is overwritten. (There are no more instances of USBC after the last one in the FAT2.) Hypothesis These observations seem to indicate some sort of virus that erases a few key filesystem structures, and then overwrites a few extra sectors here and there. Googling it seems to corroborate the idea of a virus, except that others report a file called USBC which does not apply here, and in fact, could not be possible since there is no filesystem to even see files. I cannot find any information about a virus with these symptoms, nor a removal tool. (I can't help but wonder if it is actually due to an autorun virus prevention tool.) Question I can likely fix the FAT corruption since they are mostly contiguous chains and maybe even the lost sector of the root directory, but does anyone know of a convenient way to restore or (re)create the MBR/partition table and boot sectors (without formatting or overwriting the data)?

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• Best way to run site through https on server which can't add additional certs

  - by penguin

  So I'm in a curious situation in that I am using a particular server to host things, which I can't host anywhere else (it has access to user databases etc which can't otherwise be accessed). I've been in quite a bit of discussion with the sysadmin at it looks like the only way to run our site: www.foo.com over https may be through some sort of proxy. Currently, users go to www.foo.com and are redirected to https:// host-server.com/foo, as there is an SSL cert installed on that. I want users to be on https:// www.foo.com. I'm told that for various reasons it's going to be very difficult to add an additional SSL cert to the host server. So I was wondering if it is possible to have the DNS records point to a new server, which then creates the HTTPS connection with the browser. Then it forwards requests to https:// host-server.com/foo and feeds the replies back to the original requester. Does this make sense? And would it be at all feasible? My experience with SSL is limited at best, so thanks in advance for your help :) ps gaps in hyperlinks as ServerFault was getting unhappy with the number of links I was posting!

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• Can Octopussy use messages other than syslog style?

  - by Lee Lowder

  I am currently exploring different options for a centralized log server. We use both Linux (Ubuntu 10.04 / 12.04, LTS for both) and Windows, though for this specific issue only Linux is relevant. I like the interface that octopussy has and it's feature list, but I am hesitant due to a few things. One of the biggest concerns I have is that it seems to be syslog only. The end goal is to have a centralized place for our devs and admins to be able to search through the logs generated by Apache, Tomcat and 70+ web apps spread out among a cluster, for both our prod and test environments. While I did see that octopussy has support for plugins, I haven't been able to find any sort of plugin repo or in depth guides as to what can be done with them. Does anyone know if plugins can be used to allow octopussy to non-syslog messages? Specifically log4j type log messages that may include multi-line stack traces and such. Also, is there a user community for this software, such as a mailing list or forum? I've been unable to locate any so far. Thank you.

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• Apache LDAP with local groups

  - by Greg Ogle

  I have a server that currently uses htpasswd to authenticate users. I'm migrating to using LDAP, but my LDAP server is only for user authentication, not allowing me to add groups. I still need to use groups as they are used for access control via the Apache Directory tags in my configuration. The alternative is to revisit the access control altogether, using php or something of the sort to limit access. this works for 'basic' authentication <Directory /misc/www/html/site> #LDAP & other config stuff irrelevant to issue Require ldap-group cn=<service>,ou=Groups,dc=<service>,dc=<org>,dc=com </Directory> attempted <Directory /misc/www/html/site> #LDAP & other config stuff irrelevant to issue #groups file from previous configuration using htpasswd #tried to tweak to match new user format, but I don't think it looks up in here AuthGroupFile /misc/www/htpasswd/groups #added the group, which is how it works when using htpasswd Require ldap-group cn=<service>,ou=Groups,dc=<service>,dc=<org>,dc=com group xyz </Directory>

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• Best way to create and restore a Drive Image with Windows 7? [closed]

  - by jasondavis

  Possible Duplicate: Want to create a system image I am about to build a new PC. I am a windows 7 user. For years now I have been wanting to install windows and all my favorite software, music, etc., and then make a drive IMAGE and be able to go in 6 months later or WHENEVER I want to start fresh and completely format my drives and restore my IMAGE and have all my settings, programs, etc be just5 like when I created the original image. I know there is many ways to do this but I have never done this 100% successfully and I have about a week to figure out how to do it perfectly for when I build my new PC. I have heard good things about using tried Acronis true image in the PAST for doing what I describe4, I tried using it but, but the newer versions are overly complex and don't even seem to work the way I hoped. I also see that Windows 7 has some sort of drive IMAGE creator itself as well. Does the newer Windows 7 image creator do what I am describing above? If it does do what I am asking for (complete drive image with windows, all programs and settings) saved to an IMAGE file that can easily be restored to ANY hard drive in the future? Please share your experiences, tips, ideas on how to achieve this the easiest and most reliable way please

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• CPU operating temperature ranges

  - by osij2is

  I have an AMD Phenom II 960T with 2 cores unlocked for a total of 6 cores. I don't overclock at all. I have a Arctic Cooling ACALP64 Heatsink/Fan installed. I'm currently running ESXi 5.0 so I have to go into the BIOS to read the CPU temperatures, which at idle seem to be in the 71-74C range. To me, this is pretty high, but I cannot find any official temperature ranges that AMD says the CPU can work well within. There seems to be a lot of questions on superuser and numerous forums around CPU temperatures but no one seems to have a clear consensus as to what the manufacturer temperature ranges are for specific CPUs. I've tried searching through AMDs site to no avail. At this point, I'd be willing to shut off the 2 extra cores if it keeps the heat down but until I get some sort of tolerance or range for temperature, I have no idea if the CPU is being damaged or not. Can anyone point to a direct source, article, FAQ from AMD that specifically states their CPUs temperature range? Or are CPU temperature ranges so varying that there's no possible baseline? Am I being too paranoid about this? To me, anything over 65C is a bit much and if I'm in the low-mid 70s range with NO VMs running, what can I expect if I have several VMs running?

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• PuTTY inserts random characters during a session

  - by Zachary Polikarpus

  I recently started renting space on a remote server so that I could work on a project. I found that a relatively painless way to access it on a windows machine is through PuTTY. However, there is one thing that has always irked me when using it: for seemingly no reason random characters are sometimes inserted at the cursor. Most of the time it is just a single tilde, but rarely it spits out what looks like some escape sequence ([[^8 or the like). It will only occur when I am focused on the window, whether I am typing or 20 feet away from the keyboard. If left for long enough, it will spit tildes at random intervals (average is about 1 minute). Finally, this behavior seems to be inconsistant when running programs such as nano or the mysql interface: in nano, instead of inserting tildes, it will set marks (ctrl-^); in mysql, lines will become un-editable. My question is this: Has anyone else experienced this sort of behavior in PuTTY? And if so, what can be done to prevent/correct this behavior?

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