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Unix/Linux OS/Questions
| Subject | Date Asked | Expert |
| Linux server | 2/8/2012 | mkitwrk |
| Q: mkitwrk, Even though Linux is immune to most malware, do you know what would be a likely reason it ... A: Linux is not "immune" to viruses, malware, hacking and the like... It is simply the case that most ... | ||
| Shell script | 2/2/2012 | mkitwrk |
| Q: *The script will run in a directory that contains an arbitrary number of files. For the minimal ... A: This is definitely a homework question... (The problem isn't spec'd out very well. In general... ... | ||
| netstat hacker | 1/30/2012 | mkitwrk |
| Q: Do you know if the foreign address shows a regular ip address, is that a hacker? Or how can you ... A: "netstat" will only show you who is trying to connect at the moment (until the timeout on the close ... | ||
| job submission | 1/23/2012 | mkitwrk |
| Q: How are you. Thanks a lot for taking questions. I'm using Ubuntu (Lucid) to run console ... A: Since you require that one job complete before the next is executed, I'd guess you'd need to know ... | ||
| bourne shell script | 1/22/2012 | mkitwrk |
| Q: I am doing Bourne shell script. I want to redirect the output which is obtained after execution of ... A: The script would look something like this: ===== #!/bin/bash >textfile.log #initialize log file # ... | ||
| learning linux | 1/19/2012 | mkitwrk |
| Q: Id like to learn to use it, install,configre and troubleshot it.What do you recommend are there any ... A: The main differences are in how /etc is laid out, how the init.d scripts are managed and how the ... | ||
| learning linux | 1/17/2012 | mkitwrk |
| Q: Id like to learn to use it, install,configre and troubleshot it.What do you recommend are there any ... A: I've never taken any classes, but I've done lots of on-the-job-beat-your-head-against-the-wall ... | ||
| Some direction regarding Unix basic utilities | 1/10/2012 | nix |
| Q: I wondered if you could share or point me at some suitable material regarding some questions I have ... A: Well, without consulting MTA logs, you're left with "poke the black box in the dark room" technique. ... | ||
| Script for CPU and Memory Utilization | 1/5/2012 | mkitwrk |
| Q: We are using solaris 10 and it contains 4 local zones. I have require to CPU/Memory utilization for ... A: I really need a bit more info as to what you want the script(s) to do... But, assuming you simply ... | ||
| how to recover | 12/27/2011 | Matt Blecha |
| Q: i accidentally delete /etc/passwd also i deleted /etc/shadow now i want to recover them so please ... A: Amodi, /etc/passwd and /etc/shadow when both have been removed are very hard to recover. You ... | ||
| A Maximalist window manager? | 12/15/2011 | nix |
| Q: I googled someone said stumpwm is a maximalist wm. what does that mean? A Maximalist window ... A: I guess you translated it right. This is from their website: <b>Stumpwm is a tiling, keyboard ... | ||
| How to use rsync in conjunction with the MBR and LVM Metadata | 12/3/2011 | mkitwrk |
| Q: I am new to Linux and am learning about the rsync utility. My main problem is that I do not know how ... A: rsync backs up files, so if you want to create special files containing your MBR and lvm meta-data, ... | ||
| Xen | 11/20/2011 | nix |
| Q: Please tell me the advantage of Xen virtualization over other same competing technology. I use ... A: Xen is a bit older, as far as I know. I have run VirtualBox and Xen on a couple occasions, no big ... | ||
| Xen | 11/17/2011 | Matt Blecha |
| Q: Please tell me the advantage of Xen virtualization over other same competing technology. I use ... A: PhTzeng, There are a few differences. First you have to understand that qemu and virtualbox ... | ||
| Help needed quickly please | 11/17/2011 | mkitwrk |
| Q: Dir Sir, I'm having a weired trouble..... I have a dual boot installed ( windows 7 along with linux ... A: OK - So, you can get to the GUI, but Alt-Ctrl-F3 does nothing (i.e. it does not switch to a ... | ||
| Help needed quickly please | 11/13/2011 | mkitwrk |
| Q: Dir Sir, I'm having a weired trouble..... I have a dual boot installed ( windows 7 along with linux ... A: Do you see the boot choices at the startup? Does it boot up all the way to the GUI login screen? Can ... | ||
| Help needed quickly please | 11/13/2011 | nix |
| Q: Dir Sir, I'm having a weired trouble..... I have a dual boot installed ( windows 7 along with linux ... A: Firstly, does Win7 work OK? Meaning, is this something local to the Linux installation or hardware ... | ||
| Linux command inside of C code | 11/12/2011 | nix |
| Q: I've got a two part question. Is is possible to reboot a linux device via a mac or IP address? And ... A: The answer is "maybe". If the Linux box (don't know what is a "linux device") exposes a service ... | ||
| Ubuntu Installation | 11/1/2011 | mkitwrk |
| Q: My desktop pc has 250 GB HDD. This is partitioned for Windows XP And Windows Vista. At the time of ... A: Pay really close attention to: Partitioning - choose manual method and force a single physical ... | ||
| open source eCommerce software | 10/23/2011 | nix |
| Q: I need a handy ware to do some display products ,shopping carts. ... A: I can really comment only the things I have seen. We are currently working with Apache OFBiz. It is ... | ||
| NAS server | 10/19/2011 | mkitwrk |
| Q: I have difficult task, not sure is ot possible: I nned retrieve some important info stored on NAS ... A: To run a script on any remote machine (a NAS is really just another computer with limited ... | ||
| NAS server | 10/19/2011 | mkitwrk |
| Q: I have difficult task, not sure is ot possible: I nned retrieve some important info stored on NAS ... A: In order to execute a script on the NAS, you'll need some access other than samba. And, if you get ... | ||
| debug | 10/16/2011 | nix |
| Q: What would you suggest to do to find problem if,for example, I issued a command in shell like ... A: First of all, if you have problems running a command, do not start it in the background. So, drop ... | ||
| Virtual Serial Port | 10/8/2011 | nix |
| Q: I want to create a software to read data from /dev/ttyS0 (serialdevice) The problem is that device ... A: Well, there is a problem to your approach. All files in /dev/ directory correspond to a device ... | ||
| how to look at inote contents | 10/5/2011 | Matt Blecha |
| Q: can you tell me the unix cmds for looking at the inode of a file? I inherited projects from someone ... A: Laurie, Most distros these days have Audit capability, which you can check in the audit log ... | ||
| How to recover files using Knoppix 3.6 | 10/3/2011 | Robert McIntosh |
| Q: So my computer quite booting up and Knoppix is the only thing I can get to boot on my laptop. I ... A: Allix, You may have a damaged disk so if you have any valuable data on it, you might be best taking ... | ||
| How to recover files using Knoppix 3.6 | 10/3/2011 | Robert McIntosh |
| Q: So my computer quite booting up and Knoppix is the only thing I can get to boot on my laptop. I ... A: Allix, What operating system are you trying to repair? Windows 7? XP? Do you know if it's FAT32 ... | ||
| How to recover files using Knoppix 3.6 | 10/3/2011 | Robert McIntosh |
| Q: So my computer quite booting up and Knoppix is the only thing I can get to boot on my laptop. I ... A: I hope I can help. As you're successful in booting into Knoppix, can you see anything on the ... | ||
| ubuntu dual monitor | 10/3/2011 | nix |
| Q: I had my computer with ubuntu 10.04 on it and 2 monitors working perfectly fine. I had to move to ... A: Not sure how to help. I have not been dealing with GUI on Linux much. I do have OpenSUSE and dual ... | ||
| ubuntu dual monitor | 10/3/2011 | Matt Blecha |
| Q: I had my computer with ubuntu 10.04 on it and 2 monitors working perfectly fine. I had to move to ... A: Usually, when linux can't detect a monitor it means one of three things have happened; 1. ... | ||
| ubuntu dual monitor | 10/3/2011 | mkitwrk |
| Q: I had my computer with ubuntu 10.04 on it and 2 monitors working perfectly fine. I had to move to ... A: Sorry it took me so long to respond... Major conversions the last couple of weeks... Do you have a ... | ||
| what distro is comperable to debial 5?? | 10/2/2011 | mkitwrk |
| Q: I had used debian linux 5 and absolutely loved it, unfortunately my dvds got scratched up. is thee ... A: I sent you some info back in July, I think... Debian 6 Squeeze is so much better than Lenny (Debian ... | ||
| Echo Command in Linux/Unix | 9/26/2011 | mkitwrk |
| Q: I created a new directory called lab in my home directory. Using the touch command I created the ... A: As long as those are the only files that start with either "a" or "b", then: echo [ab]* Or, to get ... | ||
| Echo Command in Linux/Unix | 9/25/2011 | mkitwrk |
| Q: I created a new directory called lab in my home directory. Using the touch command I created the ... A: It's really a question about regular expressions and shell expansion. Any command at the shell would ... | ||
| sco openserver | 9/23/2011 | nix |
| Q: i have a linux sco server that will not take our password anymore. i need to get into the patients ... A: I do not quite understand what you mean by "it will not take password". Do you get a prompt for ... | ||
| sed regex match | 9/19/2011 | nix |
| Q: echo "xx8:11vv" |sed 's/.*\([0-9]*:[0-9]*\).*/\1/' why cannot the "8" be matched? it only turn out ... A: I'm not sure I know the source of the problem, but it looks like a bug in SED's RegEx. Look at this: ... | ||
| write permission of new disk | 9/12/2011 | nix |
| Q: I added a new disk to my debian system. But ordinary users cannot write to it. How to do it? chmod? ... A: Well, sure, chmod would do it. It definitely depends on what you want to achieve. If all users are ... | ||
| Update - Problem Solved | 8/25/2011 | Matt Blecha |
| Q: You've given me so much help I wanted to let you know I was able to get firefox to see the index ... A: Sorry about not finishing up the other question. Thank you for your response, it's good to hear ... | ||
| Connecting Fedora 13 to router | 8/22/2011 | Matt Blecha |
| Q: I've decided to build the server with rpm's for now. The next step is the get a broadband router and ... A: Yes, that is correct. DHCP only assigns IP addresses to computers or other devices that actually ... | ||
| Connecting Fedora 13 to router | 8/22/2011 | Matt Blecha |
| Q: I've decided to build the server with rpm's for now. The next step is the get a broadband router and ... A: Hey David, Actually, the router will only assign IP addresses to machines that request them, ... | ||
Unix/Linux OS
Answers by Expert:
mkitwrk
Top Expert on this page
Expertise
Expert: Creating and managing *nix database/application servers for use with dl4/unibasic/mysql/apache/thoroughbred applications, especially in medical environments. Strengths: scripting, backup and disaster recovery, mysql, apache2, routing, samba/smbfs/cifs, LPRng, CUPS, telnet/ssh/sftp, vsftp, rsync, new system preparation, system duplication, database design, system conversions (AIX/SCO-OS5/Linux) Currently working on scripted setup of LAMP servers using PDO for MySQL and Oracle. Compiling Apache2, openssl, php and libxml2 from source and linking to libraries for MySQL and Oracle InstantClient. Works great so far! Familiar With: php, c, awk, sed, gnome, nfs and lots of other *nix tools
Experience
I've been head of development at our company since 1984. Our OS's at that time were Point 4's IRIS and Altos' Xenix. Then: SCO Xenix, SCO Unix, AIX, SCO-OS5, Caldera, RedHat 7, Debian Sarge, RedHat ES4, Debian Etch, Redhat ES5, Debian Lenny, RedHat ES6, Debian Squeeze. I've migrated our clients through those various versions with minimal interruption while preserving their investments in hardware and staff knowledge over time.
Education/Credentials
1980 BSBA Washington University, Saint Louis, Missouri
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