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About nix
(Top Expert on this page)

Expertise
UNIX, programing, C, C++, awk, shell scripts, Web, HTTP, Apache, firewall, AltaVista firewall, E-Mail, sendmail, IMAP4 POP3, DNS, NTP, system administration, TCP/IP, security

Experience
UNIX
Digital UNIX
AltaVista Firewall
TCP/IP

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BSCS

   

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

SubjectDate AskedExpert

LVM (with RAID5)11/16/2008nix
  Q: Three of my hard drives (each 500GB) have been set up with RAID5. I'm aware that of the 1.5TB I ...
  A: First of all, let me point you to the fact that there are 2 definitions of a GB. Definition 1 ...
LVM (with RAID5)11/16/2008mkitwrk
  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 ...
LVM (with RAID5)11/16/2008Matt Blecha
  Q: Three of my hard drives (each 500GB) have been set up with RAID5. I'm aware that of the 1.5TB I ...
  A: Sean, Though the 14GB sounds a little off, it's well within the range of what I would expect ...
shell programs11/11/2008nix
  Q: Sir, how to write a shell programs for the following i) Greatest Common Divisor of the given three ...
  A: 1. function gcd() { x=$1 y=$2 while [ $x -ne $y ]; do if [ $x -gt $y ]; then ...
RHCE11/2/2008Aaron Gray
  Q: i want to do RHCE certification. can you tell me the basics of RHCE, its course detail, exam detail, ...
  A: I did sign a non-disclosure agreement when I went in for the exam, so I won't tell you example ...
Linux mounting process10/31/2008nix
  Q: Hope you are doing well when system is booting, how does the file system mounts,when we will get ...
  A: When system boots it first looks for a file system holding the kernel image. Long time ago, there ...
Linux10/28/2008Robert McIntosh
  Q: How do I install an application on Unix
  A: If you're speaking specifically towards the UNIX operating system, you typically rely on the ...
Block IP addresses using Squid10/28/2008Aaron Gray
  Q: I work at a school and we have got Matric exams coming up. I was wanting to block specific IP or Mac ...
  A: Do you simply wish to deny them access to Squid proxy? If you are looking to block web browsing and ...
server 2003 vs BSD/Linux SERVER10/21/2008nix
  Q: I have a HP-proliant that was set up to run winserver 2003. I cant regain the password, so I'm ...
  A: For running Windows applications on any UNIX machine you have several options. WINE ---- WINdows ...
linux10/20/2008mkitwrk
  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 ...
Is it possible to change the root username in Unix/Linux?10/18/2008nix
  Q: Is it possible to change the root username in Unix/Linux? Thanks, lzzzz ANSWER: Hi. Usually, you ...
  A: The main problem is in mapping UIDs between your client and the NFS server. Take a look at this ...
Is it possible to change the root username in Unix/Linux?10/17/2008nix
  Q: Is it possible to change the root username in Unix/Linux? Thanks, lzzzz ANSWER: Hi. Usually, you ...
  A: Why would you want to change root username because of NFS? To match with NAS? I think you should be ...
Is it possible to change the root username in Unix/Linux?10/15/2008nix
  Q: Is it possible to change the root username in Unix/Linux? Thanks, lzzzz
  A: Usually, you can change the name of the root user. After all, a user name is what is written in ...
Can I mount a NFS share as a user other than root?10/14/2008mkitwrk
  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?10/14/2008mkitwrk
  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 ...
When I mount a NFS directory, how to specify a user name and password?10/14/2008Aaron Gray
  Q: When I mount a NFS directory, how to specify a user name and password? Thanks, lzzzz ANSWER: It ...
  A: Yes, only the root user can mount file systems in Linux. You should be able to mount the file ...
When I mount a NFS directory, how to specify a user name and password?10/13/2008Aaron Gray
  Q: When I mount a NFS directory, how to specify a user name and password? Thanks, lzzzz
  A: It doesn't really work like that. On the NFS *server* you would configure the user (and ...
how to open rescue log files?10/10/2008mkitwrk
  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 ...
file system is not mounting10/8/2008nix
  Q: Hope you are doing well, Nix, I have installed (perl-5,XFree86) Patches on Redhat-EL4 AS, i Don't ...
  A: I would first take a look in /etc/fstab to see if there is a definition of the mount and if it ...
file system is not mounting10/7/2008nix
  Q: Hope you are doing well, Nix, I have installed (perl-5,XFree86) Patches on Redhat-EL4 AS, i Don't ...
  A: Installation of patches should have nothing to do with proper FS mount. It would be helpful to know ...
Linux9/29/2008nix
  Q: How can I configure https for apache in Red hat Linux 5 version?
  A: First of all, you need a certificate for your service. Then you should place it in a common ...
awk command9/23/2008nix
  Q: Nix, that worked!! Thanks. I just have a question on how it did work. Here's the command you gave ...
  A: :-) I didn't... exactly. The problem with 5th field is that it breaks the convention of the ...
unix9/22/2008nix
  Q: text segment-contains the executable code of a progran,several user uses the same program,this area ...
  A: Since the text segment should not change and UNIX generally should not allow for self modifying ...
awk or grep command9/19/2008nix
  Q: I have a task to create a file pulling 2 fields from the input file to create the output file. The ...
  A: Well, whz would zou want to change "," sequernce for "|"? The one you have here would workalmost ...
awk or grep command9/18/2008nix
  Q: I have a task to create a file pulling 2 fields from the input file to create the output file. The ...
  A: The answer is - you can't. I mean from syntactic point of view, how would you discern these rows: ...
wifi9/9/2008Denis Mello
  Q: Denis, Thank you for your time. I bought a Compaq Presario C700 (C771US) notebook last weekend and ...
  A: That's the kind of question that comes back to the forum over the time. I did not check whether your ...
information9/9/2008Robert McIntosh
  Q: I am using RHEL 5 for my study purpose, now I have one problem, user cant login without a password, ...
  A: This is no problem. To install yum on RHEL4, follow these steps: 1) Download yum using wget: === ...
information9/7/2008Robert McIntosh
  Q: I am using RHEL 5 for my study purpose, now I have one problem, user cant login without a password, ...
  A: If you wish to enable blank passwords for users (which I really don't recommend), here's how you can ...
Switching to Unix9/6/2008Denis Mello
  Q: Mello I am using Windows since the early version 3.2 working under DOS platform, today my version is ...
  A: Greeting Mr. Yaser. I hope to turn easy you migration. For sure, it's a little bit confusing by ...
Howto Clean out Squid cache9/5/2008Aaron Gray
  Q: how do I clean out Squid Proxy cache? If I bypass Squid I can get to anywhere on the net.. If using ...
  A: There might be a more proper way of doing things, and if you find out I'd love to hear it :) The ...
information9/2/2008Robert McIntosh
  Q: What is the basic different in between normal Apache web server and tom-cat Apache server?
  A: When you're talking about the apache web server with Tomcat, you're talking about a web server that ...
Information8/23/2008nix
  Q: If I want to configure two LAN card in linux, how i can do it in command mode?
  A: Most modern Linux systems have a CLI based setup tool. OpenSUSE has Yast2. You didn't say which ...
unix and linux8/23/2008Aaron Gray
  Q: what the storage management,the file system UNIX and LINUX?
  A: Are you looking for a way to manage your physical disks, volumes, logical volumes, file systems, ...
Information8/19/2008Aaron Gray
  Q: How i use quota in respect of squirrelmail in my mail server for the users. ANSWER: Squirrelmail ...
  A: Quota is handled on the file system (as I stated before). Sendmail will have to honor these quotas ...
Information8/18/2008Aaron Gray
  Q: How i use quota in respect of squirrelmail in my mail server for the users.
  A: Squirrelmail does not have any support to implement any kind of quotas. You need to implement the ...
What does EOT stand for?8/13/2008nix
  Q: I have a script that has '....yahweh << $EOT' in it. What does the $EOT stand for? Thank You, ...
  A: EOT usually means End Of Text. In your case, EOT is a variable/constant holding the string that is ...
User account in Digital unix8/11/2008nix
  Q: I'll have to make an User Account in Digital Unix on an Alpha which I need for our ERP system, but I ...
  A: This can be accomplished either by GUI or command line. The GUI can be invoked by typing ...
About unix time8/10/2008Aaron Gray
  Q: My question is probably stupid :) If I record unix time [time()] for each action that a user makes, ...
  A: This isn't really my forte but I would say that yes it is possible, but highly and almost nearly ...
Dumb question about unix time8/10/2008Matt Blecha
  Q: My question is probably stupid :) If I record unix time [time()] for each action that a user makes, ...
  A: Anatoli, Since Linux, like most popular *nix variants allows multiple simultaneous logins, it ...
Kill a process8/6/2008Aaron Gray
  Q: I wanted to write a shell script that would find the firefox process, find the process ID for it, ...
  A: That script is very short and should run in less than a second. I don't think "kill" command can ...

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Questions by
Active Experts:
mkitwrkAaron GrayDenis Mello
nixRobert McIntoshMara
Matt Blecha  

     
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