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About mkitwrk
(Top Expert on this page)

Expertise
Expert: Creating and managing *nix database/application servers for use with dl4/unibasic/mysql/apache/thoroughbred applications, espcially in medical environments. Strengths: scripting, backup and disaster recovery, routing, samba/smbfs/cifs, LPRng, CUPS, telnet/ssh/sftp, vsftp, rsync, new system preparation, system duplication, database design, system conversions (AIX/SCO-OS5/Linux) Familiar With: apache/apache-ssl, mysql, php, c, awk, sed, gnome, nfs

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. 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

   

You are here:  Experts > Computing/Technology > Focus on Unix > Unix/Linux OS

Questions Answered By Expert  mkitwrk 
In Category  Unix/Linux OS

SubjectDate Asked

booting failure11/20/2009
  Q: Our computer is not working, that is It doesn't booting. one of my collegues states that it happened ...
  A: Things that will help: Knowing the hardware configuration of the disk subsystem (RAID, IDE, SCSI, ...
multiple argements to script11/15/2009
  Q: How you feed multiple arguments to a script in bash? like ./script One Two Three Four ..so on (with ...
  A: Here's one way: (echo -e "set -- \c"; cat arguments.txt; cat ./script) | bash Another way is to ...
64 bits OS11/3/2009
  Q: I want to build a PC with several OS in it. At least Linux, and Windows (not sure which Windows ...
  A: Debian's default GUI is the Gnome Desktop. RedHat's is as well. They just dress up the desktop ...
64 bits OS11/1/2009
  Q: I want to build a PC with several OS in it. At least Linux, and Windows (not sure which Windows ...
  A: I have little experience with setting up and using dual-boot systems, but I have lots of experience ...
edit stuff10/29/2009
  Q: there exist a script looks like this expect { -re ".*X.*" {send "A-specific ";sleep 1} -re ".*X2.*" ...
  A: It depends on how the script is being used and what it does. With only a snippet, the answer is yes ...
Which laptop should I buy for Linux Live?10/13/2009
  Q: I'm new to the world of Linux. I'm used to using Windows OSes but I would like to enter the Linux ...
  A: No. Those are specifically set for controlling devices via an SDK using embedded Linux and ...
Which laptop should I buy for Linux Live?10/12/2009
  Q: I'm new to the world of Linux. I'm used to using Windows OSes but I would like to enter the Linux ...
  A: I'm pretty sure that is what the Ubuntu version of the Linux Live CD does. I've not really used it, ...
Which laptop should I buy for Linux Live?10/11/2009
  Q: I'm new to the world of Linux. I'm used to using Windows OSes but I would like to enter the Linux ...
  A: Most new computers don't have floppy drives. All computers come with some non-volatile storage, ...
Current OS Ubuntu "jaunty" - New OS XP "Black"10/10/2009
  Q: I thank you for reviewing my question today. I am currently running Ubuntu 9.04 "Jaunty" on a ...
  A: First, I would try disabling all boot devices except the USB CD/DVD and then test your Windows XP ...
what is the use of linux?where it is used?9/24/2009
  Q: studying linux will be useful for me in today world?if yes ..?what is the use of linux?
  A: Linux, OS/X, AIX, Unixware, HP/UX, Solaris... They are all worth studying if you want to have ...
smb/samba on linux8/27/2009
  Q: I have been successful in logging into my linux box via SMB/SAMBA from my Mac. But I wanted to know ...
  A: Browsing to folders isn't the same thing as logging in when you are referring to samba/smb... It's ...
File comparison - which one is best?8/27/2009
  Q: I would like to know what is the best way to compare files in order to verify that they are ...
  A: Sounds like fun! A good process automation bash scripting project. (1) If you use "diff" and it ...
File comparison - which one is best?8/27/2009
  Q: I would like to know what is the best way to compare files in order to verify that they are ...
  A: I'm not sure what kind of files you are trying to check, but I'll try to address it in a general ...
hi8/25/2009
  Q: when i go to ssh secure shell client and login with my pass and type these commands $cp ...
  A: Looks like there's a typo. Your cp command should have complained since there is no destination file ...
df: unknown option: i8/20/2009
  Q: i try to run the command: df with the -i option but it wouldnt work instead the message 'df: unknown ...
  A: To try to figure out what the difference is, try the following commands: type df ...
X Window system and Microsoft Windows.8/14/2009
  Q: What's the different? I know that Microsoft Windows is based on a graphical user interface and Linux ...
  A: Operating Systems are generally built on character based interfaces. For Windows, this is the ...
mysqldump8/13/2009
  Q: Beginner question on mysql dump. I want to export my database named: Test to a file on the local ...
  A: The syntax you are using for mysqldump is actually the syntax for the mysql command screen... And ...
help related to my project on shell programming8/10/2009
  Q: i just wanted some help regarding my project in shell programming.im a final year student and need ...
  A: Shell Project: "Expanding the power of the shell, vi and sed" Goals: To create scripts that perform ...
UNIX7/31/2009
  Q: Since Unix is all about open standards, how easy is it to modify? Is there an advantages and ...
  A: Adhering to open standards does not necessarily imply that it is easy to modify. What it means is ...
Unix7/16/2009
  Q: I have zero knowledge about Unix/Linux so can you help me understand a little about Java and Unix. ...
  A: Java advocates intentionally try to be operating system independent. That is the point of java... ...
transfer/copy file from windows to linux6/17/2009
  Q: I'm sure there's a real simple way to do this, but I haven't gotten a clear enough answer googling, ...
  A: There are many ways, but most of them depend on your admin... If you have an FTP server running on ...
disk or file system performace6/17/2009
  Q: in Linux does there exists any tools to check performance of disks or FS?
  A: There are a few standard tools for analyzing performance issues. They usually look at more than just ...
UNIX box as Domain Controller5/21/2009
  Q: I have recently taken over the IT work for a local doctor's clinic. Their parting of ways with the ...
  A: >>> Assuming you are working with a Linux server <<< Here's how to unlock the root (or any other) ...
simple question about path calculation5/20/2009
  Q: How to find true path to file(which located on web server in unknown directory) when I download ...
  A: Access to the absolute path of a file can be specifically hidden from the browser client by the web ...
DL4 database Export5/4/2009
  Q: I have A database that i need to convert for a client. The IQ program does not have all the fields ...
  A: The data files are probably C-Tree indexed files... The only Data Definition you have is probably ...
Step by step to build a UNIX Server for Hosting4/30/2009
  Q: I just have an idea to build my own web hosting server using UNIX, but I just don't know how to ...
  A: Many decisions... If you don't want to delve into learning how to configure everything, then you ...
Could you please calrify the meaning of this audit4/16/2009
  Q: [Wed Jan 26 05:31:10 2005] [error] [client 10.10.144.36] File does not exist: /var/www/html/_pages ...
  A: A 10.x.x.x client is a local client IP. That IP address is in one of the reserved IP ranges for LAN ...
update-rc.d equivalent in slacware3/22/2009
  Q: I am not sure if u r familiar with slackware. I am using debian and boot script via update-rc.d it's ...
  A: I've not used slackware, and I don't maintain any packages that are accessed via apt/yum/etc... so I ...
some more explanations3/19/2009
  Q: Here is a shell script i found during my study hours: #!/bin/sh 2 # The Party ...
  A: Here is a bit of help: The phrase -(no leading spaces/tabs/etc) means correct: EOM incorrect: ...
some more explanations3/19/2009
  Q: Here is a shell script i found during my study hours: #!/bin/sh 2 # The Party ...
  A: For the first script: You must clean it up and test it... It is missing the logic to go from 1 to 10 ...
some more explanations3/18/2009
  Q: Here is a shell script i found during my study hours: #!/bin/sh 2 # The Party ...
  A: 9) There is no need to export PLACE variable unless a shell command that executes externally has ...
about shell scripts3/16/2009
  Q: please, i am trying to get something straight with shell scripting. i have a question to use as my ...
  A: LF = LineFeed character (the standard end of line indicator in *nix) CRLF = CarraigeReturn / ...
Linux/internet3/15/2009
  Q: Can you please, please advise me? I've just been introduced to Linux Fedora 5 which I've put on my ...
  A: OK -- One thing at a time... Sounds like you have a functional desktop - probably have OpenOffice ...
about shell scripts3/5/2009
  Q: please, i am trying to get something straight with shell scripting. i have a question to use as my ...
  A: See the first line of the script: #! /bin/bash It declares that it is using "bash", which is the ...
Archive contains obsolescent base-64 headers2/18/2009
  Q: I'm not a linux/unix user so really need some advice. I have .tar file on an NT server which I ...
  A: WinZip should be able to extract from a .tar or .tgz (.tar.gz) file unless it is corrupt. It is ...
Password protection1/31/2009
  Q: I have a PC running Linux and as a concerned parent would like to know if I can password protect the ...
  A: If you have the root password, then you can login as root and view all the available login ids for ...
scheduling in linux1/21/2009
  Q: I'm not sure if you are the right person to ask this. I need to know how to simulate FIFO policy ...
  A: I'll need more info about what you a trying to write before I can really answer your question... ...
telnet problem to 25 port12/3/2008
  Q: i have problem in my senamil server. doing "telnet localhost 25" is ok but doing "telnet hostname ...
  A: Generally, this problem is due to running the "service" with a binding to "127.0.0.1". This causes ...
LVM (with RAID5)11/16/2008
  Q: Three of my hard drives (each 500GB) have been set up with RAID5. I'm aware that of the 1.5TB I ...
  A: The actual space taken up by creating LVM is very small. What you are seeing as "missing" is the ...
linux10/20/2008
  Q: sir i want to install linux on my laptop. Plz guide me about different version of linux like Rad Hat ...
  A: Ubuntu or Fedora would be my choice to install for a novice personal computer user. I mainly set up ...
Can I mount a NFS share as a user other than root?10/14/2008
  Q: Can I mount a NFS share as a user other than root? Thanks, lzzzz ANSWER: Only if the fstab file ...
  A: Using "sudo" on the client machine, you can run the mount command as any valid user that exists on ...
Can I mount a NFS share as a user other than root?10/14/2008
  Q: Can I mount a NFS share as a user other than root? Thanks, lzzzz
  A: Only if the fstab file says that "user" can do so. See the man page on "mount". The following entry ...
how to open rescue log files?10/10/2008
  Q: how to open rescue simulation robocup log files in linux ubuntu?
  A: I am not familiar with the application. (googled it on the the web... looks interesting...) Most ...
firestarter cannot identify no-ip7/19/2008
  Q: my pc A registered with no-ip is going to connect into my pc B,which firewalled by firestarter. I ...
  A: First, test pinging both systems: Temporarily allow ping from WAN host * (0.0.0.0) on both PC's. ...
listening service7/17/2008
  Q: After my commanding this, "netstat -tlup" to my ubuntu it gave me this outcome xxx@ubuntu:~$ sudo ...
  A: Here's what the web says about that port: Port 135 loc-srv/epmap Microsoft DCE Locator service aka. ...
LST Calculator7/15/2008
  Q: I am currently working with a friend to try and get a fairly simple LST (local sidereal time) ...
  A: Here's a short script to do that. I called it "degtohrs". It takes the single argument "degrees". ...
LST Calculator7/13/2008
  Q: I am currently working with a friend to try and get a fairly simple LST (local sidereal time) ...
  A: I think it might be a stretch to write the whole calculator in c-shell+awk, but I did find a c ...
Erase a hard drive7/7/2008
  Q: I have a server running FreeBSD and I would like to remove one of the hard drives and use it in ...
  A: OK -- to be clear, you have: Live System - has a failing drive in a RAID5 - this is the first drive ...
Erase a hard drive7/3/2008
  Q: I have a server running FreeBSD and I would like to remove one of the hard drives and use it in ...
  A: If they are simply striped, then the whole array will fail when you remove one or have one crash. If ...
listening service7/2/2008
  Q: After my commanding this, "netstat -tlup" to my ubuntu it gave me this outcome xxx@ubuntu:~$ sudo ...
  A: It is a non-standard port (i.e. it is > 1024) so I can't tell you what it is, but I can tell you ...
Install Sound Card and Modem7/1/2008
  Q: I hope you will be fine sir i am new user in linux and i also installed Redhat 9 Linux sir please ...
  A: You should be able to use your file browser application to browse to any mp3 or wave file on your ...
Install Sound Card and Modem6/30/2008
  Q: I hope you will be fine sir i am new user in linux and i also installed Redhat 9 Linux sir please ...
  A: Since you are new to Linux, it is a good idea to ensure that your sound card vendor has driver ...
DL4 IQ Database6/26/2008
  Q: I am try to convert an old database from an old SCO UNIX system. From what I can tell it seems to ...
  A: Boy! You hit my expertise exactly... The files you are trying to convert are in a specially ...
linux hash file6/20/2008
  Q: what are the macro file and hash files in linux system. what are its important, what it do? will be ...
  A: I am not familiar with anything specifically called a "macro file", though that is what most scripts ...
The server was frozen when update the kernel.6/3/2008
  Q: mkitwrk, I have an Oracle 10g DB running on a RedHat Linux E3 server. Recentlay, I plan to upgrade ...
  A: It looks like menu.lst is no longer a symlink to grub.conf like it should be. And if other symlinks ...
chmod5/28/2008
  Q: When I am setting folder and directory permissions, who exactly is the user, the group and the ...
  A: Your web pages are delivered to browsers via http/https through a service like apache(-ssl) web ...
chmod5/28/2008
  Q: When I am setting folder and directory permissions, who exactly is the user, the group and the ...
  A: Unix has users and groups. A user can belong to more than one group. See /etc/passwd, /etc/group and ...
running update on Fedora server5/22/2008
  Q: I tried to run update on my Fedora server and received the following error: “Missing dependencies on ...
  A: Fedora is the basis for RedHat Enterprise Linux and, therefore, uses the "rpm" approach vs. ...
running update on Fedora server5/22/2008
  Q: I tried to run update on my Fedora server and received the following error: “Missing dependencies on ...
  A: When running the Software Updater, it found that smolt, Codeina, libgpod, etc. were already ...
Explanation of unix script5/20/2008
  Q: I need some help with understanding what the following script is doing please... d1=Su; d2=Mo; ...
  A: It looks like it is trying to format the output for a calendar representation of a month. There are ...
linux file system corruption5/9/2008
  Q: How can I recover from the following situation? After rebooting a Linux 4 system, we are now seeing ...
  A: You will need to boot from either your disaster recovery boot media or from installation media and ...
Linux Vs Windows4/30/2008
  Q: am using two o/s on different harddisks Xp service pack 2 and Ubuntu 5.04.the problem is tht when am ...
  A: You can use the following sites to get a Windows driver that will allow you to mount ext2 and ext3 ...
this is very emergency3/20/2008
  Q: i have a confusing problem with linux , i had vista operation before then i decided to use both ...
  A: (we had a holiday last Friday, so I have not been online since Thursday..) It appears that: 1) You ...
Securing Linux3/8/2008
  Q: I would like to make my new computer more secure. My main concern is vulnerability to anyone or ...
  A: 1) In /etc/passwd change the 3rd login's shell to "/bin/false". 2) NAT is achieved via using a ...
Ubustu+XP+Security3/2/2008
  Q: To help provide clear questions I'll number the main ones. I am currently dual-booting between ...
  A: 1. Which versions of Unix and of Linux will have a better chance of "running fast" on my older ...
awk and file editing2/9/2008
  Q: I'm trying to edit a text file using AWK. Its been so long since I've used it I cant remember how. ...
  A: Awk will let you format the output in a specific way, but has more syntax (like 'c' syntax) involved ...
awk and file editing2/8/2008
  Q: I'm trying to edit a text file using AWK. Its been so long since I've used it I cant remember how. ...
  A: It would help to know a bit more detail... But, here are a couple of sources for the tools you are ...

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