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• What is a safe way to dispose of personal info on an old laptop and what to do with said laptop?

  - by MikeN

  I have an old laptop someone gave me that only has 64Megs of RAM on it and runs WIN XP. I wanted to wipe the drive clean by installing Ubuntu Desktop to remove any shred of personal information on it and to make it useful to someone else. But the Ubuntu installer keeps failing because there is not enough RAM. Is there another version of Linux that would easily install on a 64 Megs of RAM system? 2nd part of question, what do I do with this old laptop? It doesn't have a battery anymore and has to be plugged into the wall to run. Assuming I can install a good Linux distro on it, who do I give it to? Salvation Army? I'm looking to just have it be useful to someone or some organization for spare parts or some basic computer usage.

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• Comparison of Unix shells

  - by Andy White

  Of the major Unix shells (bash, ksh, tcsh, zsh, others?), are there any compelling reasons to use one over another? Which is the most interactive/command-line friendly? Which is the most conducive/intuitive for writing scripts? Are there any major built-in features that one shell offers that others don't? Are any of these shells really good for one type of function, but not another? Or are they all pretty well-rounded/flexible? Is it just a matter of personal preference? I can make this community wiki if anyone prefers.

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• Is there any way to see the contents of a device via windows media player/sync?

  - by snorfys

  I've got a sansa clip mp3 player and an htc touch pro 2 phone that I put music/audio books etc. on. Putting stuff on there is easy peasy I open media player 11, go to the sync tab at the right and drag media to it. The problem is seeing what's already on there and removing anything I no-longer want on there - I have no way to see that aside from browsing via explorer. Both devices move media around to specifc folders so it's a bit annoying. Is there any way to do what I need in media player or is there any other good and free alternatives that will?

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• Debian Raid5 LVM

  - by Develman

  I want to setup a debian server mainly used as data storage. I have 4 devices: /dev/sda (160GB) - installed debian on it /dev/sdb, /dev/sdc, /dev/sdd (all 500GB) - created a raid5 array with it Now I am not sure, how to go on. Is it usefull to create a LVM on the raid5 /dev/md0? How can I do this? Is there a good HowTo? Or can I just create filesystem on the raid5 and create different partitions?

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• Use Windows 7 offline sync with external usb hd

  - by René

  Yeah, truly the whole question in the header. Is there a way to use Windows 7 offline sync (which we know from network mapped drives) with a external usb hd? When not, are there similar built in tools or good third party tools? My scenario: I want to buy a ultrabook with SSD which is mostly limited in space. So I'm going to put all files to a external HD and only store current projects on the local SSD. Let's say I have to change project. It would be easy just change sync folders and have the second project synced to my hd too. With network mapped drives it's such easy. Paths do not differ if the drive is offline so in most situations you don't take notice if the folder is offline. And you only have to activate offline file for the folders you courrently need for work. So is there a similar solution for usb hard drives?

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• Amazon EC2 firewall rules & VPN connections

  - by John

  I'm moving from Rackspace to Amazon EC2. One thing I like about our Rackspace setup is that it is extremely secure. The MySQL box can only be accessed via internal IPs, and we have a Cisco VPN firewall that allows us to dial in remotely and access port 3306 as though we were on the internal network. I'd like to figure out how to replicate this setup with EC2. How can I make the MySQL box so that port 3306 can only be accessed on the internal network? What about the VPN piece of things? I know Amazon has the VPC service, but it seems like that's for the purpose of connecting to an existing network. I don't have an existing network. I want to essentially create one inside Amazon and connect to that. What are my options? Any good tutorials on how to get started? Thanks in advance for your help

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• Cheap, light, small Skype laptop?

  - by roufamatic

  My wife and son are heading out while I stay home to babysit some contractors. We discussed getting her a small, cheap laptop that would primarily be used for Skype. Good quality integrated video & mike are prerequisites, as is Windows (though I'd entertain OSX). Doesn't need to be large, a 12" screen is probably fine. If I went new, where should I look? And if I were going to test the used/craigslist waters, what specs are we talking about?

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• Is it possible to code on two different computers simultaneously?

  - by Muhammad

  I want to work with another programmer and I want the source code to be live in real-time on both of our screens. Is this possible on the Mac OS x or Linux? We're going to be using OS X but occasionally we might need to add an Ubuntu computer too. Is there a way I can do this using ssh, any shell based program, or even a good GUI? I thought Coda might be capable of this but it's not really working. Anyone ever do this? I'm not look for a git/svn/or any other version control system. This is more of a live coding session. :)

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• Ubuntu from console/command-line/shell

  - by Xolve

  Earlies linux distros though required lot of manual work they were quite good to use from commandline. If the X-server didn't start or you just want a shell to work they all supported. Network was configured by init; sound was up and ready; new devices inserted would be configured and their configureation was placed in fstab. Also there were small scripts I found on many distros which on X used windows while on console they switched to ncurses. But now this all needs GUI with a desktop manager (KDE, GNOME) for the new paradigms :'-( require GUI (NetworkManger, hal etc.). So if on just command line you have to be root, looks like they believe only geeky admins need that, and need to edit config files or type big commands. Any way so that this is easy in Ubnubtu through shell again.

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• Dealing with LDAP failure when using it for PAM/NSS?

  - by Insyte

  I use a redundant pair of OpenLDAP servers for PAM auth and directory services via NSS. It's been 100% reliable so far, but nothing runs flawlessly forever. What steps should I take now so I have a fighting chance of recovering from failure of the LDAP server(s)? In my informal testing, it appears that even already authenticated shells are largely useless as all username/uid lookups hang until the directory server comes back. So far I've come up with only two things: Do not use NSS-LDAP and PAM-LDAP on the LDAP servers themselves. Create a root-level account on all boxes that only accepts publickey authentication from our local subnet and protect that key well. I'm not sure how much good this would do me as once I'm logged in, I suspect I wouldn't be able to accomplish anything since all the userid lookups would be hanging. Any other suggestions?

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• How can I add metadata to NTFS files/folders?

  - by Pwdr

  I want to tag different file types (i.e. .pdf, .epub, .iso, .bin, folders,..) using the same descriptive fields. For example i would like a metadata field "type" which would be "eBook" on pdf- and epub-files, "CD-Image" on iso- and bin-files. I read about Alternate Data Streams (ADS) to make this possible. Does anyone know a good program for Windows 7 to tag different files and search for them? It is important for me, that the metadata is NOT stored in a separate database. I move the files a lot and need to stay flexible (ADSs 'stick' to the files). Any ideas?

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• What are people using as Login scripts in large enterprises

  - by beakersoft

  Hi, We have recently been tasked with looking after the user login side of things in our enterprise (windows clients in active directory). We have a system at the moment that uses a vbscript login/loggof script to call a couple of DLL written in vb 6. The DLL's actions are controled by some config files based on users/groups witch is administrated from a central app. This is quite a good system, but kind of want to come away from vb6 for the dll's (maybe port them to c++ but them you have to make them com+ to call them from vbscripts etc) and possibly away from vbscript for the actual login scripts themselves. Just wondered what other people are using, what people can suggest etc Thanks Luke

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• ts_block.vbs and mac intosh

  - by Eric Le breton

  I am using your excellent ts_blocker, release 20120530, on my server 2008 R2 Enterprise. it works very fine, i use the vbs script, launched with wscript. The only problem is that is does not work for users attempting to connect RDP from a mac intosh. With this machine the distant IP seems to be not recognized when the login fails. The IP is visible when the login is good (event ID 4624) but not when it fails (Audit failure event ID 4625) : then the IP is not to be seen in the event log ! In the "network information" of the event log entry is nothing given. Have you already been told of that and is there something to do ?

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• What software is available to keep track of hundreds of servers?

  - by djangofan

  What good software is available (free or not free) to help me keep track of information relating to hundreds of servers, their relationships to each other (parent/child, category, type), and information on connecting to them, as well as possibly showing a picture or grid of some kind that allows me to report these relationships and key information to my supervisor. I am trying to avoid the "spreadsheet solution" or "visio solution" because I want to share this information and make changes with other persons in my server team. In other words, the solution I am looking for is a cross between a spreadsheet solution and a visio solution, providing both graphing and configuration information WITHOUT monitoring, and in a consistent format.

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• Automatically Log off Google when logging in using Google OpenID?

  - by Ross Charette

  I use Google as my OpenID provider. Once you log into a website with Google's OpenID I am then logged into Google as well. I do not desire this. Can I somehow automatically log off my Google account, or prevent Google from logging in every time I use my Google OpenID? I prefer not to have my personal google account always logged in. It's not a big deal going to gmail and clicking log off, but if there is a simpler way that would be good. Note to admins: this is not just for stack overflow, please don't close the question.

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• Installing Windows on multiple computers

  - by Rob

  At our work we've decided to buy SSDs to speed up our computers. We'd also like to upgrade from Windows 7 to Windows 8.1 (read clean install) I'm talking about 10 computers which going to have a fully clean installation. Is there any trick I can use to avoid installing Windows 10 times? The computers (most of them) are different in hardware, so I think duping is no good option. What can I do? I'd like to spend as less time as possible because all computers are going to need SQL Management Studio and Visual Studio 2012/2013. Thanks!

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• Avoid cache overflow in Atempo LiveBackup

  - by Vebjorn Ljosa

  When attempting the initial backup of a new client, Atempo LiveBackup seems to require a very large cache. For instance, a 20 GB cache is not enough to back up a computer that has 100 GB of data. It appears that LiveBackup is adding new files to the cache at a faster rate than it can send them to the server. When the cache fills up, the backup fails. Aside from removing most data from the computer and then add them back gradually after the initial backup, is there a good workaround? Is it possible to make LiveBackup slow down its scan so as to not fill the cache? Or is it possible to place the cache on an external drive?

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• recommendation for configuration for a multi-core guestOS

  - by reidLinden

  Hi there, I've just received an upgraded Host machine, and am looking to push some of those advances to my workstations Guest OS(s). In particular, I used to have a single processor, with 2 cores, so my guestOS only had 1/1. Now, I've got a single processor with 8 cores, so I'm curious about what would be recommended for my GuestOS now? 1 processor/4 cores? 2 processors/2Cores? 4 processors/1 core? My instinct says to stick with the number of physical processors (or less), but, is that based on reality? I spent a good while looking for an answer to this, but perhaps my google-karma isn't in my favor today. Suggestions?

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• WSUS Looping 2 updates on 2003 servers

  - by Ericrobert

  Good afternoon, Hopefully I can articulate this so that people understand my problem. We have WSUS on windows server 2008. We have 8 Windows 2003 servers. There is an update ready to install KB2982792. We install it then it says there is another update to install KB2728973. Then it says there is another update to install, again KB2982792. This goes on and on. Talked to microsoft support and they confirmed that the update was infact installed and applied to the computer (Checking untrusted certifactions confirmed that for these updates) and their suggestion was to just "Hide update". This is fine except on the WSUS server it still shows failed updates which is not okay with our policy. I'm here to ask for help figuring this out and what I can do to trouble shoot it. Thank you in advanced.

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• AWS VPC - why have a private subnet at all?

  - by jkim

  In Amazon VPC, the VPC creation wizard allows one to create a single "public subnet" or have the wizard create a "public subnet" and a "private subnet". Initially, the public and private subnet option seemed good for security reasons, allowing webservers to be put in the public subnet and database servers to go in the private subnet. But I've since learned that EC2 instances in the public subnet are not reachable from the Internet unless you associate an Amazon ElasticIP with the EC2 instance. So it seems with just a single public subnet configuration, one could just opt to not associate an ElasticIP with the database servers and end up with the same sort of security. Can anyone explain the advantages of a public + private subnet configuration? Are the advantages of this config more to do with auto-scaling, or is it actually less secure to have a single public subnet?

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• SAS disk performance drops a while after reboot.

  - by Flamewires

  So we have some workstations with identical hardware. The Fedora14 box has a couple weeks uptime and still get good performance. hdparm -tT /dev/sda /dev/sda: Timing cached reads: 21766 MB in 2.00 seconds = 10902.12 MB/sec Timing buffered disk reads: 586 MB in 3.00 seconds = 195.20 MB/sec The Cent 5.5 boxes however seem to be okay after a reboot, /dev/sda: Timing cached reads: 34636 MB in 2.00 seconds = 17354.64 MB/sec Timing buffered disk reads: 498 MB in 3.01 seconds = 165.62 MB/sec but some time later( unsure exactly, tested at approx 1 day uptime) /dev/sda: Timing cached reads: 2132 MB in 2.00 seconds = 1064.96 MB/sec Timing buffered disk reads: 160 MB in 3.01 seconds = 53.16 MB/sec drop to this. This is with very low load. I believe they all have the same bios settings. Any ideas what could cause this on Cent? Ask for more info. It might also be worth noting, that passing the --direct flag causes the slow boxes to perform similarly to the non-slow ones for buffered disk reads.

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• Run a server and local wireless network off my laptop with no internet.

  - by greg

  I'm trying to run a wireless network from my computer so that people in range can connect to the network and hit a website running off my machine. I don't want to enable file sharing or remote access or anything else of that nature. I just want them to be able to connect to the network, type in an IP or domain name in a browser, and be taken to a locally hosted website. No broader internet access needed. Any ideas / links to good tutorials on the subject? Is this something i can achieve with just a wifi card or will need a router?

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• Create PDF with internal hyperlinks

  - by Nicholas

  I have an Excel workbook with an index page containing a series of images, that are each hyperlinked to different worksheets. Can anybody suggest how I can publish this to PDF so that the hyperlinks work in the PDF? When I publish or use PDF Factory, the hyperlinks are not preserved (and bookmarks aren't created for that matter either). I would prefer to do this with inbuilt functionality or free tools, though any suggestions welcome. Also, it doesn't necessarily have to be with Excel. Publishing from powerpoint would be almost as good, and failing that, any easy solution which allows me to create a PDF containing clickable images that takes one to internal bookmarks might also be a workaround.

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• Why not install Msvcr71.dll into system32?

  - by hillu

  While looking for an authoritative source for the missing Msvcr71.dll that is needed by a few old applications, I stumbled across the MSDN article Redistribution of the shared C runtime component in Visual C++. The advice given to developers is to drop the DLL into the application's directory instead of system32 since DLLs in this directory are considered before the system paths. What can/will go wrong if I (as an administrator, not a developer) decide to take the lazy path and install Msvcr71.dll (and Msvcp71.dll while I'm at it) into the system32 directory (of 32 bit Windows XP or Windows 7 systems) instead of putting a copy in each application's directory? Is there another good solution to provide the applications with the needed DLLs that doesn't involve copying stuff to the application directories? added after first answers: I understand that incompatible API changes may have been made to the mentioned DLLs, but pretty much every mention of incompatibilities I have found using Google had to do with games or video codecs. Right now, I expect that the risk of breakage is pretty small. Am I missing something?

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• How do I get the Windows 7 installer onto a USB drive?

  - by Rod

  I'm having trouble installing Windows 7 onto my old laptop. The problem appears to be the laptop's DVD-ROM no longer seems to work. Sucks. So, I'm trying to figure out how to get a bootable USB with my Windows 7 DVD info onto it. I found this link here on superuser.com: http://superuser.com/questions/66948/place-a-bootable-iso-on-a-usb-drive That looks good, except for the detail about making the USB bootable. It said that the OS you're making it bootable on must be the same as the machine you're going to be installing it on. I can't do that. The machine I would make it bootable from is a 64-bit version of Windows 7. The target machine is 32-bit. So, how's this going to work?

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