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  • WINDOWS: Your computer hangs. You can windows + R (run dialog) but performance is so halted taskMGR

    - by John Sullivan
    The question is, what process are available to try to recover from total system instability before pulling the plug when we can do nothing but programs or batches in the path from the run dialog (windows + r key), and performance is so dead that taskMGR / procEXP / other programs with visual guis are not usable? I am not a windows expert, but ideally someone out there has written a program that does more or less stuff like this: Immediately set (or perhaps I can set from the run prompt) its priority to extremely high, evaluate performance bottlenecks. E.g. is CPU 100%? If so identify offending program(s) or problems. Attempt / log fixes, then provide crude feedback asking the user if his performance has stabilized enough to abort, wait a few seconds, if no feedback continue, etc. etc. Eventually try to do any "system cleanup" if the program decides it cannot recover and perhaps finally provide a series of beeps to the user, or what have you, to say "OK, I give up, time to pull the plug". Ideally create a log, when able. These kinds of horrible hangs are a situation where surely trying something, anything, is better than nothing -- as long as that something is intelligent -- when the alternative is ripping out the power coord. Again, I am not a windows expert, so perhaps there is a much more elegant "hands on" approach I am not aware of.

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  • Maintenance window and recovery for a large database

    - by NYSystemsAnalyst
    One of our teams is developing a database that will be somewhat large (~500GB) and grow from there (I know 500 Gigs may seem small to many of you, but it will be one of the larger databases in our shop). One of the issues they are grappling with is backing up and restoring the database. Basically, the database will have several "data" tables and one table used for storing images / documents. We need to accomplish the following: Be able to quickly backup and restore only the data tables (sans images) to our test server for debugging and testing purposes. In the event of a catastrophic database failure, restore the data tables only to get most of the application up and running ASAP. Then, restore the images table when possible. Backup the database within the allotted nightly time window (a few hours). My questions are: Is it possible to accomplish the first two goals while still having the images stored in the same database? If so, would we use filegroups, filestream, or something else? How do other shops backup their databases in a reasonable time window while maintaining high availability? Do you replicate to a second server and backup from there?

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  • DRBD as a block device for XEN VM (Centos 5.3)

    - by SaberTooth
    Hi all, I have setup a drbd resource between 2 server nodes - everything works correctly when doing sync tests between the two. (I want to create a HA cluster using drbd,xen and heartbeat) However, when I try and create a XEN VM with Centos as guest operating system, I get through to the partitioning screen on the install but when I select a partitioning type the next screen gives me the following error : "An error has occurred - no valid devices were found on which to create new file systems. Please check your hardware for the cause of this problem." This is the first time attempting create a setup like this and searching Google does not help much... my config files for DRBD and XEN.... DRBD (just the section that is pertinent) on xennode0 { device /dev/drbd0; disk /dev/sda5; address X.X.X.X:7788; flexible-meta-disk internal; } on xennode1 { device /dev/drbd0; disk /dev/sda5; address X.X.X.X:7788; meta-disk internal; } XEN kernel = "/boot/xeninstall/vmlinuz" ramdisk = "/boot/xeninstall/initrd.img" extra = "text" name = "VM" maxmem = 3000 memory = 3000 vcpus = 4 on_poweroff = "destroy" on_reboot = "restart" on_crash = "restart" vfb = [ ] disk = [ "phy:/dev/drbd0,sda1,w", "tap:aio:/srv/xen/xenswap.img,sda2,w" ] vif = [ "mac=00:16:3e:11:67:ae,bridge=xenbr0" ] root = "/dev/sda1 ro" Thanks in advance!

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  • How to verify TRIM/discard on encrypted swap?

    - by svarni
    I am using an encrypted swap partition via ecryptfs-setup-swap on my Ubuntu 13.04 computer using a SSD. I have manually set up trim for my ext4 root partition (simply by adding the "discard" option in /etc/fstab). I also manually ran fstrim on the root partition prior to booting and using dstat I saw that for a few seconds several GB/s of data have been written to the disk. That was presumably the effect of the trim command. These high writerates are reproducable by deleting huge files and have not occured before setting up trim, so I take them as evidence for working trim/discard. Manually enabling trim on my root partition has stopped the wearout of my precious new disk from 365 used reserved blocks (out of 6176 total) within three months down to 0 additional used reserved blocks within three additional months (data from SMART attributes). Because I want to minimize the wearout of my SSD I now would like to know whether my swap partition (which is encrypted using ecryptfs-setup-swap) also makes use of the trim/discard option. I tried sudo swapon -d -v /dev/mapper/cryptswap1 but did not receive particular information ("-v") about whether trim/discard ("-d") was applied. If unsupported, i would expect a message. Then I tried sudo dd if=/dev/sda6 count=1 BS=1M | xxd | less directly after booting and when no swapspace was used but I saw not only zeroes. I assume, when looking at freshly trimmed regions, the disk would send zeroes instead of reading random sectors (and according to some forums, (unencrypted) swap space is trimmed once upon boot). Long story short: Are there any ideas on how to test if trim is effectively used for my encrypted swap? And if not, any ideas on how to - at least manually, for once - trim the whole swap space? I wouldn't want to tinker with the partition itself, because I dont know if it needs to be reinitialized as (encrypted) swap - I dont want to be left with an unbootable system :)

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  • How do I start the Workstation Service so I can use `net use`?

    - by nitefrog
    I have a Windows 7 machine that logs into a domain. The machine can net view and see the different shares, but when I try to use, net use * \\name\share, I get an error stating that the service is not started. Yet when I issue a net start, it states the service is already started. My other win7 machines work fine; they can see and use any of the shares. Is there a security setting that needs to be disabled or enabled? I really need to get this working, and I have no other ideas as the other machines have no problem accessing the shares on different systems. The error I am getting is , "The Workstation Service Has Not Been Started", but like I said other machines can connect fine, and when I issue a, "net start workstation", it states the service is already started. In addition the error number I am receiving is 2138. UPDATE: On the machine that is having issues. From the troubled machine if I issue a Net View \\name I can see all the shares on the machine I want to connect to. When I try to net use * \\name\sharename I get the error The Workstation service has not started. I have set both settings sc config lanmanworkstation start = auto and sc config lanmanserver start = auto on the Windows7 computer that is having issues. I have rebooted the computer and still no dice. I can net view any computer on the network and see all shares, but I cannot access any of the shares in which I can see. In the registry under the HKLM\System\CurrentControlSet\Services Both LanmanServer and LanmanWorkstation start is set to 2. Screen capture of net use and view: The Services: This is really weird. What am I missing? It has to be a security setting...

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  • iptables drops some packets on port 80 and i don't know the cause.

    - by Janning
    Hi, We are running a firewall with iptables on our Debian Lenny system. I show you only the relevant entries of our firewall. Chain INPUT (policy DROP 0 packets, 0 bytes) target prot opt in out source destination ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 state NEW Chain OUTPUT (policy DROP 0 packets, 0 bytes) target prot opt in out source destination ACCEPT all -- * lo 0.0.0.0/0 0.0.0.0/0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED LOGDROP all -- * * 0.0.0.0/0 0.0.0.0/0 Some packets get dropped each day with log messages like this: Feb 5 15:11:02 host1 kernel: [104332.409003] dropped IN= OUT=eth0 SRC= DST= LEN=1420 TOS=0x00 PREC=0x00 TTL=64 ID=18576 DF PROTO=TCP SPT=80 DPT=59327 WINDOW=54 RES=0x00 ACK URGP=0 for privacy reasons I replaced IP Addresses with and This is no reason for any concern, but I just want to understand what's happening. The web server tries to send a packet to the client, but the firewall somehow came to the conclusion that this packet is "UNRELATED" to any prior traffic. I have set a kernel parameter ip_conntrack_ma to a high enough value to be sure to get all connections tracked by iptables state module: sysctl -w net.ipv4.netfilter.ip_conntrack_max=524288 What's funny about that is I get one connection drop every 20 minutes: 06:34:54 droppedIN= 06:52:10 droppedIN= 07:10:48 droppedIN= 07:30:55 droppedIN= 07:51:29 droppedIN= 08:10:47 droppedIN= 08:31:00 droppedIN= 08:50:52 droppedIN= 09:10:50 droppedIN= 09:30:52 droppedIN= 09:50:49 droppedIN= 10:11:00 droppedIN= 10:30:50 droppedIN= 10:50:56 droppedIN= 11:10:53 droppedIN= 11:31:00 droppedIN= 11:50:49 droppedIN= 12:10:49 droppedIN= 12:30:50 droppedIN= 12:50:51 droppedIN= 13:10:49 droppedIN= 13:30:57 droppedIN= 13:51:01 droppedIN= 14:11:12 droppedIN= 14:31:32 droppedIN= 14:50:59 droppedIN= 15:11:02 droppedIN= That's from today, but on other days it looks like this, too (sometimes the rate varies). What might be the reason? Any help is greatly appreciated. kind regards Janning

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  • Extend Linux Desktop to another X Windows Display

    - by unknown (google)
    Hello, I am a long time Linux user of the Xinerama and other technologies for extending a desktop to multiple monitors. However when I travel with my laptop I miss the multi-monitor support I enjoy at home. Recently I acquired a second laptop for a low price. Both laptops are running Fedora (versions 10 and 11 respectively). I use Gnome as my primary desktop environment. I know about synergy. I use synergy all the time to control the screen of other Windows / Linux systems I use. I would like to know, can I sit both my primary and secondary laptops together and achieve a Xinerama-like extended desktop environment? Ideally I would like to start a GNOME session on my primary laptop. And then start a X-Windows Desktop on my secondary laptop and extend my primary laptop's desktop onto it. I would like to be able to move Windows from the primary desktop to the secondary laptop desktop. Would I need to use synergy to do this with some other bit of X-Windows technology? Or is there X-Windows technology that will do all this for me? I am familiar with X Windows ability to display applications remotely. I am also familiar with Nomachine's NoX.

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  • Long 'pause' after copying large files on windows 2008

    - by Ian
    I have a mystery regarding pauses after file copies on windows server 2088 (and other releases) When copying large files, like vhds, to locally attached USB disks I often see a long pause after the copy has completed 100%. As an example: robocopying vhd files. The bytes read/written count matches the vhd file size and robocopy shows 100% but it pauses for several minutes. If I do nothing it will continue, but I will have to wait for quite some time - about the same amount of time as it took to get to 100%. The bytes read/bytes written counters for robocopy do not change. My first thought was that the AV had to scan it, but I'm looking at a machine right now which doesn't have an AV installed and this is occurring, so impossible. No other processes are showing read/write byte counts as going up. The behavior is the same if I use the copy command or xcopy. I've seen this on other systems but have never worked out what the cause is. Anyone got any suggestions as to what might be going on?

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  • Servers/Websites Keep Going Down

    - by Tyler Johnson
    Okay, I'm a noobie. I know how to build and compose a website, but I have no idea what I'm doing when it comes to servers and server commands, etc. I've recently had a problem with all of my sites on our servers going down all at once and then I have to go in and reboot the server for them to come up again. At first this was annoying, but now it is becoming agonizing as it now takes 3-4 reboots for the websites to come back up. I contacted support for my hosting, but they are not being very helpful. They just keep telling me what the issue might be and basically telling me that I'm going to have to look into it and figure it out, which really isn't possible since I know nothing. Anyway, here are the things they said were possible reasons: They said I have "strange logs" in my Apache webserver log, error: sh: fetch: command not found. My php.ini memory limit is: 256M which is very high. It should be 32M or 64M. Server is reaching Max Clients, meaning we have more than 150 visitors at a time. (They supposedly "fixed" this, but the sites/server are still going down) I have some Wordpress sites with plugins getting errors like: PHP Warning: pack(): Type H: illegal hex digit G in... PHP Fatal error: Cannot use object of type stdClass as array in... PHP Fatal error: Maximum execution time of 30 seconds exceeded in... PHP Fatal error: Call to undefined function file_exists() in... PHP Parse error: syntax error, unexpected '<' I know that's a lot, but I really am at wits end and have no idea what to do now. If anyone could maybe give me some advice or point me in the right direction I would greatly appreciate it! Thanks! Oh, and here are the specs for my server: RAM: 2048MB CPU Shares: 40 Primary Disk: 50GB Data Transfer: 75GB Port Speed: 5Mbps Type: Linux

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  • Block SMTP connections from mail domains which don't themselves accept SMTP connection.

    - by bignose
    I'm administrating a mail service for a small business. Their mail host's internet connection is an ADSL service with a permanent IP address. Unfortunately, many misconfigured mail systems will happily deliver to this host, but, when the host attempts to send mail back (e.g. a bounce notice, or a normal response from someone), the original sender refuses to receive connections from this host. That misconfiguration makes their system a one-way mail sender, which is a problem. How can I configure Postfix on this customer's mail host to refuse SMTP sessions that declare a sender domain which itself refuses SMTP from this host? That is, if the SMTP client declares a domain that we can't make SMTP connections back to, then there's not much point accepting the incoming connection in the first place. I'm imagining a late check (after the low-cost checks to winnow most of the rubbish connections) that keeps the client on the other end while it attempts an SMTP client connection back to the declared domain of the sender. If that connection is rejected, the incoming one is also rejected. I'm also open to other suggestions for how this problem might be addressed (short of not using this mail host at all, which isn't an option).

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  • Start Chrome by command line, but adding some arguments to make it login into your Google account automatically

    - by jim
    Is there a way to start Chrome calling it from the command line (using Linux), but providing it some argument to make it login into some Google account automatically? I'm looking for something like google-chrome -account foo -pass bar that I can easily put in a bash script later. A little background: I have a laptop connected to my TV, which is currently using just a mouse for user interaction. There's no google account logged in by default, and that's the way I want to keep it, so my kids can't come across videos and pictures in google and youtube that they are not supposed to see (e.g.: adult content, or anything marked as not appropriate for kids by the google's safe search filters). The bad thing about this is that there are some music videos in youtube that requires you to be logged in to see, usually those we (the adults) used to sing when playing karaoke... as the only input available is a mouse, I'm looking for a way to start with my google account without having to type the whole thing usin the on-screen keyboard. You may think "Why you can't use the keyboard, if the laptop is right there?". Well, it's in a kind of uncomfortable position - too high for me without a chair or something, as it's right above the furniture in where the TV is located. Is there a way to make this scriptable? If not, do you know any other workaround? Note: using the remember me after logging off or alike options are discarded, as the safe-search chrome version must be always the default version to run.

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  • Outdoor WiFi Mesh Topology vs. Repeaters

    - by IronJaxor
    Here's the current configuration in our organization (which I believe is incorrect): We have a number of Cisco 1500 series AP's (22 in total), that are mounted outdoors to provide seamless WiFi coverage over a large area. Each AP however has its own physical ethernet connection back to the WLC (All the AP's are marked as Root AP's). They are all broadcasting the same SSID. We have tried to stagger the channel selection but because there are only three non-overlapping channels to choose from, and in some areas the density of AP's is quite high, there is multiple places of channel interference. With this configuration we experience 100-150 disconnects from clients every day. (Our clients are mobile so they move throughout the coverage area constantly). My idea is to switch the AP's to the same channel thereby forming a wireless mesh, use the built in functionality of the 1500 series to use 802.11a as the backhaul, designate one or two AP's as root AP's and wire them back to the WLC. Thereby forming a WiFi mesh, which if I'm not mistaken is the point of the 1500 series in the first place! I am however completely new at WiFi networks and wondering if I am simply mistaken in what I believe my proposed changes will enable, or if there is a better way to tackle the WiFi topology.

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  • Apache suddenly very slow on http and faster on https

    - by hsnm
    Background: I have Apache 2 running on ubuntu. There is a low usage on it and mostly being accessed for a web service URL from mobile apps. It was working fine until I installed SSL certificates. I now have both http and https. When I access the server using https, I get a fairly quick response (but probably not as fast as before). When I use http, it's so slow. What I tried: From this post: I curl localhost from the host and it takes some time, meaning there is no routing issue. The server runs on Amazon EC2 instance and is managed by me only. Also: I see that Apache once running, creates the maximum number of processes it is allowed to, which was not the case before. I lowered the MaxClients to 20 and I think I'm getting faster responses but it still takes over a minute and I always have MaxClients Apache processes. dmesg returns many [ 1953.655703] TCP: Possible SYN flooding on port 80. Sending cookies. When I netstat I get many entries with SYN_RECV. Possibly a DDoS attack? From EC2's monitoring diagrams I see a pattern of high "Maximum Network In (Bytes)" since 2 days ago. By the way the server is still being tested, the actual traffic is very low and not consistent. I tried to go with this solution to limit incoming connections using iptables, still no luck, but I'm trying. Question: What could be the problem? Is this a DDoS attack?

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  • Is it a good Idea to switch to a SSD to use less battery?

    - by Walter Maier-Murdnelch
    I am thinking of buying a SSD for my laptop, mainly for the purpose of extended operating time when running on battery. At the moment I use a Hitachi HTS545032B9A300 (320GB) (Datasheet) as main drive and a Seagate Momentus 5400.3 120GB as secondary drive. I dualboot Windows and Linux but I don't need the windows partition any longer, a 120GB SDD would be more than sufficient space-wise. Speed is not an issue for me, I make heavy use of tmpfs (ramdrive) within Linux and transfers of bigger files are mainly through some network filesystem anyways, thus a cheaper SSD should do. For the purpose of comparison I chose the OCZ Vertex Plus 120GB. Power consumption always is a big promotional thing the industry uses to make me want to buy their SSDs, some sheet on the OCZ page provides an astonishing comparison of desktop HDDS and SSDs. The numbers I got comparing my laptop HDD and their SSD were not really astonishing any longer. Hitachi 320GB HDD: Startup (W, peak, max.) 4.5 Seek (W, avg.) 1.7 Read / Write (W, avg.) 1.4 Performance idle (W, avg.) 1.3 Active idle (W, avg.) 0.8 Low power idle (W, avg.) 0.5 Standby (W, avg.) 0.2 Sleep 0.1 OCZ 120GB SSD: 1.5W active 0.3W standby I see that there are differences, but actually they don't seem that high as I though they were. And compared to the power consuption of the rest of my system I wonder if it makes a difference at all. Have I just taken the wrong look at the whole thing or may I be better off to buy another battery for my laptop?

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  • EC2 Auto-Scaling with Spot and On-Demand Instances?

    - by platforms
    I'm looking to optimize the cost of our auto-scaling EC2 groups by having them launch spot instances instead of on-demand instances. What I really want is to be able to keep some servers in the group as on-demand instances, regardless of what happens to the spot instance pricing market. Then I want any additional servers in the group, above my configured minimum, to be spot instances. I'm generally OK with the delay in adding servers via spot requests. I can't seem to find any way to do this and I've tried to scour the AWS documentation. It appears that an ASG can either be on-demand or spot, but not a hybrid. I could possibly manually add an on-demand instance to the Elastic Load Balancer assigned to the auto-scaling group, but then the load of that server would not be factored into the auto-scaling measurements and triggers. I suppose I could enter a ridiculously high bid price in order to ensure that I always get the servers I need, but then I look at the pricing history and see occasional large spikes. The AWS documentation is at odds with itself, since in one place it says that if you enter a server minimum, that number is "ensured" to be there. But then when you read about spot instances, there are no assurances. The price differential for spot is compelling, so I'd like to leverage that as much as I can while still maintaining an always-on baseline. Is this possible?

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  • How to access XAMPP virtual hosts from iPad on local network?

    - by martin's
    Using XAMPP on one machine. Multiple virtual hosts defined. One per project. Format is .local For example: apple.local microsoft.local client-site.local our-own-internal-site.local All works perfectly from that one machine. I now want to have other systems within the network access the various sites. The main reason for wanting to do this is to be able to test site functionality and layout from mobile devices without having to upload partial work to public servers. I can access the main XAMPP default site by simply entering the IP address of the XAMPP machine in, say, Safari on an iPad. However, there is no way to reach .local that I can see. Would this entail setting up a DNS server within the network? We have a mixture of Windows and Mac machines. No Linux. The XAMPP machine is Vista 64. I don't want real external internet access to be affected in any way, just ".local" pointed to the XAMPP machine if that makes sense.

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  • ssh hangs on "Last login" line

    - by Pavel H
    This happened for the first time three days ago - I ssh to the server, authenticate using a password, get the welcome message but it remains hanging on the "Last login:..." line. The command line doesn't show and the server doesn't react to my input. Other services on the server keep working ok (apache, tomcat, database, ..). The box has an out-of-band management using which I was able to restart it. After the restart the ssh worked ok again and I didn't find anything suspicious in the logs. Three days later the same problem occurs on this box again, and newly on yet another server in the cluster - 100% same symptoms. Both servers have about 2 month old installation of Debian Squeeze (6.0.2) and the problem never occurred before despite frequent ssh-ing, so it should not be a problem of settings. We haven't been installing anything new for quite some time now. I also made sure there is enough disk space on both servers. Since it started to happen all of a sudden on two servers at about the same time, I suspect some bug may have been introduced via Debian updates, yet I haven't been able to find anyone with the same problem. Most similar issues I have found: ssh freezes at the "Last Login Line" - in our case everything worked fine until recently, so nothing related to settings should be our problem. Diskspace checked, I couldn't check the memory but I would expect something would be in the logs if the system had been running out of it. Remote Fedora system unresponsive, odd but consistent behavior when trying to log in - problem with high load on the server; unlike in this case, nothing changes even if I wait for 10+ minutes

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  • Large scale file replication with an option to "unsubscribe" from a replicated file on a given machine

    - by Alexander Gladysh
    I have a 100+ GB files per day incoming on one machine. (File size is arbitrary and can be adjusted as needed.) I have several other machines that do some work on these files. I need to reliably deliver each incoming file to the worker machines. A worker machine should be able to free its HDD from a file once it is done working with it. It is preferable that a file would be uploaded to the worker only once and then processed in place, and then deleted, without copying somewhere else — to minimize already high HDD load. (Worker itself requires quite a bit of bandwidth.) Please advise a solution that is not based on Java. None of existing replication solutions that I've seen can do the "free HDD from the file once processed" stuff — but maybe I'm missing something... A preferable solution should work with files (from the POV of our business logic code), not require the business logic to connect to some queue or other. (Internally the solution may use whatever technology it needs to — except Java.)

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  • 150 TB and growing, but how to grow?

    - by seandavi
    My group currently has two largish storage servers, both NAS running debian linux. The first is an all-in-one 24-disk (SATA) server that is several years old. We have two hardware RAIDS set up on it with LVM over those. The second server is 64 disks divided over 4 enclosures, each a hardware RAID 6, connected via external SAS. We use XFS with LVM over that to create 100TB useable storage. All of this works pretty well, but we are outgrowing these systems. Having build two such servers and still growing, we want to build something that allows us more flexibility in terms of future growth, backup options, that behaves better under disk failure (checking the larger filesystem can take a day or more), and can stand up in a heavily concurrent environment (think small computer cluster). We do not have system administration support, so we administer all of this ourselves (we are a genomics lab). So, what we seek is a relatively low-cost, acceptable performance storage solution that will allow future growth and flexible configuration (think ZFS with different pools having different operating characteristics). We are probably outside the realm of a single NAS. We have been thinking about a combination of ZFS (on openindiana, for example) or btrfs per server with glusterfs running on top of that if we do it ourselves. What we are weighing that against is simply biting the bullet and investing in Isilon or 3Par storage solutions. Any suggestions or experiences are appreciated.

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  • Recover data from hard drive with partitions (but not most data) overwritten

    - by Macha
    I have a 500GB hard drive I've been keeping around to recover data from that I removed from a failing NAS drive that got sort of... erratic at the end. I finally got rid of the NAS when during a firmware update it removed the partition table. Fast forward to a week ago, when I was building a new PC, and a mixup resulted in me placing the hard drive in question in the new PC and installing Windows XP on the first 100GB. I'm presuming any data on that first 100GB is now gone, but for the rest of it, is there any way I can recover it at home, as professional data recovery is currently too expensive? I have a blank 1TB HDD if I can store any images of that hard drive on. The problem was definitely with the NAS and not the hard drive, as the hard drive had a successful install of Windows when mistakenly place in the new PC, and there were capacitors in the NAS's circuitry clearly broken. The data I want to recover (in order of priority) is: High: Some jpgs of family photos. Medium: Some RAW files. (There are also jpg versions of all of these) Low: Some mp3s, avis and ISOs, I can re-rip most of these if need be, but it'd be handy not to have to. (I don't need a backup lecture, and if you can hold it in from nagging Jeff Atwood for it, you can hold it in from nagging me for it) In short: The partition tables are gone and overwritten. The data is not overwritten, except for an amount equal to the size of a Windows XP SP3 installation.

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  • windows xp cannot access admin share

    - by barlop
    I have 3 systems. A,B,Compx all on xp. but comps A and B have an issue with Compx. Compx has network shares I can access. I can do \\compx and get some. But I cannot access the admin share c$ \\compx\c$ gives a login prompt, and I can't get any user/pass to work. I looked at permissions but don't see an issue. Nevertheless, I will describe what I see in the permissions. In the security tab of C, I have Administrators,creator owner,everyone,bob,system,users (6 things there) "creator owner" has nothing ticked, I can't seem to change that. If I tick so they all get ticked, and click apply, 2.5min and it's completed its opration and they all untick. Though this isn't the root of the problem. Since I get the same in the share I can access. In advanced, I see those 6 things, Administrators,creator owner,everyone,bob,system,users (6 things there) all "full control" all are "this folder, subfolders and files".. except creator owner, which is just subfolders and files only I look at the properties for the share I can see. looks the same, except in security..advanced, double clicking any of them the boxes are all ticked but greyed. That's not the problem though since I can access that share. So, I don't know what the problem is.

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  • Help configuring Mercury mail or similiar with XAMPP to send e-mail outside of localhost

    - by user291040
    I'm building a PHP/MySQL driven website for my department at work (installed via XAMPP). I need to be able to send mail to outside e-mail addresses (e.g., Yahoo, Hotmail, etc.) using the PHP mail() function. As I see it I have to solutions: Configure the SMTP directive in php.ini to the server running at my work. Configure/run a mail server that can send e-mails outside of localhost (I'm trying Mercury because it comes installed with XAMPP). Here are problems I've come up against: I took a guess at our SMTP server name, and when calling PHP mail(), I get the error SMTP server response: 530 5.7.1 Client was not authenticated I can't be sure, however, the SMTP name is correct (I can't get help from our IT guys because of politics). I have tried to use mercury mail. Mercury seems to be picking up the request, but it doesn't want to forward the e-mail to the outside. I keep getting a Temporary error 240 (temporary MX resolution error). I've searched high and low but still can't find a definitive answer on how to send e-mails outside of localhost. Any help is greatly appreciated.

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  • Ubuntu inside VirtualBox is slow

    - by Kapsh
    I am running an Ubuntu instance on VirtualBox inside XP. Here are the details: Host: Windows XP Pro Guest: Ubuntu 8.10 Total RAM: 3GB RAM For VM: 1GB Total Video Memory: 128MB Video Memory for VM: 40MB Hard Drive: 200GB Hard Drive for VM: 30GB Processor: 2.80GHz Core Duo The problem is that whenever I am inside the virtual machine, things seem so much slower in general. For example Firefox, Eclipse take longer to load, dragging windows show a lag etc. I have tried running Ubuntu before (not inside a VM) and it seemed fantastically fast. So I am disappointed to have to deal with this situation. But I need access to the XP partition without having to reboot and hence the attempt. I am surprised with the perceived slowness since the whole world seems to be doing virtualization and I cannot imagine everyone works on slow systems knowingly. My question is - is there something I should be doing to boost performance? Am I doing something wrong? This is my home machine and I am not sure if this is the right forum to ask. Thanks.

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  • Debian grub2 update removed Windows boot option.

    - by Wrikken
    Since I updated grub to grub 2 I no longer get the option to boot to Windows (which is unfortunately sometimes necessary for proprietary MSIE browser plugins I need to use for work). Relevant /boot/grub/menu.lst portion: ### END DEBIAN AUTOMAGIC KERNELS LIST # This is a divider, added to separate the menu items below from the Debian # ones. title Other operating systems: root # This entry automatically added by the Debian installer for a non-linux OS # on /dev/hda1 title Windows NT/2000/XP root (hd0,0) savedefault makeactive chainloader +1 This however does not appear anymore. I do have some entries in /boot/grub/grub.cfg with entries like these: menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-amd64' --class debian --class gnu-linux --class gnu --class os { insmod part_msdos insmod ext2 set root='(hd1,msdos1)' search --no-floppy --fs-uuid --set e638c434-4884-412f-a141-2c194f881fae echo 'Loading Linux 2.6.32-5-amd64 ...' linux /boot/vmlinuz-2.6.32-5-amd64 root=UUID=e638c434-4884-412f-a141-2c194f881fae ro quiet echo 'Loading initial ramdisk ...' initrd /boot/initrd.img-2.6.32-5-amd64 } Do I have to alter that file? If so, what is the correct syntax for a Windows boot? If not, what could be the problem?

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  • Apache using 100% CPU, once again

    - by CBenni
    Recently, apache2 started using 100% of CPU power: top gives me From other, similar threads, I took the tip to use mod_status. Aside from HUGE amounts of NULL requests, it gives: CPU Usage: u2.16 s1.32 cu0 cs0 - .0835% CPU load 1.2 requests/sec - 17.6 kB/second - 14.6 kB/request 8 requests currently being processed, 42 idle workers The access and error logs do not show anything surprising or intriguing at all. Note the .8% CPU usage. Another tip was to use strace: root@server:~# strace -p 1956 Process 1956 attached - interrupt to quit restart_syscall(<... resuming interrupted call ...> And remains like this for at least half an hour, without producing any additional output. Restarting apache fixed the problem for less than a second The server runs a few custom python scripts aswell as a django-powered website on apache2 (up-to-date), but even turning the scripts off (or not having them active in the first place) did not change anything. After I stopped apache and powered my server off, powered it on a few minutes afterwards and restarted all my services, the CPU usage remained low for several hours, just in order to pop up again randomly (?) The DigitalOcean CPU stats on my server are: You can see how the CPU usage was super high for almost half a day until I restarted the bot - just to remain stable for several hours and then pop up again. I am completely at a loss of words and don't know what I could do to find out what piece of my code is giving me these problems or if apache itself is the cause... Therefore I would greatly appreciate any hints to the questions: What else can I try to do? Which things might I not have checked? Is this definitely in my own code? How do you find what part of python code crashes an app via a infinite loop or similar?

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