DOY
What is the meaning of ‘DOY’ in Linux?

Answer Question   |  April 24, 2013  4:31 PM
Linux, Linux administration

RSYNC hangs without reason
Hi For a test we have run a RSYNC to copy 1,9TB. It runs for hours (850GB) when suddenly it hangs without any error. The progress indicates that it is busy with one small file but it doesn’t copy. In top I see that the process is running but with very low CPU. I kill [...]

Answer Question   |  April 15, 2013  11:50 AM
Debian, Linux

Parse JSON in Linux
I need to parse this JSON data to readable string. before parse “2005u5e7405u670812u65e5(u6728) 02u664216u5206″ after parse “2005年05月12日(木) 02時16分” Anybody know the Linux command for this ?

Answer Question   |  November 20, 2012  12:04 PM
Linux, Linux Commands

Awk program to print output of comm command in required format
I have two files x and y containing two fields emp number and emp name in each file. I want to bring out the mismatching entries and missing entries into a file. File x has the correct emp number and emp name. y has correct emp number but name is not correct or blank or [...]

Answer Question   |  October 1, 2012  4:22 PM
Awk, Linux, Linux Commands

CentOS
Is it possible to install CentOS in Windows 7 just as we install Ubuntu as another program? My system configuration 1 GB Ram, 160 GB HDD, OS: Windows 7 Ultimate, 64 bit! if it is possible please suggest me a way!

Answer Question   |  July 30, 2012  9:33 AM
CentOS

User Access In Linux
Hi,          I want to create a newuser in linux who have access to start and stop sendmail and dovecot services, and that user can create new user on linux Thanks

Answer Question   |  June 16, 2012  4:03 PM
Linux, Linux administration and management

mail server config
how to config mail smtp and pop3 pl guide me i want to make internal mail server. Thanks

Answer Question   |  March 6, 2012  8:44 AM
Linux administration and management

How to solve Fedora booting problems
I installed Fedora core(2.6.18-1.2798.fc6). It installed properly and worked properly, but it structed while working and after restarting it shows following error: UFS:Cannot find ext3 filesystem on dev dm0. mount:error mounting/dev/rooton/sysroot as ext3:Invalid argument. Steuproot: error mounting/proc:No such file or directory. Steuproot: error mounting/sys:No such file or directory. Switchroot: mount failed:No such file or directory. [...]

Answer Question   |  April 19, 2012  8:40 AM
Fedora Core, Linux

SSH Key Authentication Generator
Script Name: SSH Key Authentication Generator Language: Bash Purpose: Automate generation of SSH key files (id_rsa & id_rsa.pub for example), for use with passwordless SSH authentication. Notes: This is a modified version of a script I have on my blog, http://www.itknowledgeexchange.com/security-admin/ (direct link: http://itknowledgeexchange.techtarget.com/security-admin/bash-script-for-ssh-key-generation/ ) as I feel the automated version is a lot more [...]

Answer Question   |  October 12, 2011  5:55 PM
Bash, IT Scripts, Linux, SSH

MYSQL database high availability
I have cent os based LAMP system. My question is that, what is the best way to make mysql database high availability. As per me database clustering is a good option can you please suggest me.

Answer Question   |  March 31, 2012  8:45 AM
CentOS, LAMP, MySQL, MySQL Database, MySQL functions

linux server configuration
how is Linux Exchange server configuration?

Answer Question   |  March 31, 2012  12:44 PM
Exchange configuration, Exchange server software, Linux configuration

making Zarafa act like Exchange using IMAP
We have changed from MS server to Linux clearOS based one, and instead of Exchange we have Zarafa – all good, except on the mail side.  Simply, we want what Exchange can give – a server hosted mailbox that gets synchronised to client machine so on client side you get off-line access, but work done [...]

Answer Question   |  March 31, 2012  5:45 PM
Exchange, IMAP, Linux configuration, MAPI

Example Contest Script: iptables Helper
This IT script was submitted by Eric Hansen as an example for IT Knowledge Exchange’s new contest: Is Your Script 3-Dimensional? To submit your own script, create a new post, and use the button on the far right of the text editor menu. Be sure to tag it IT Scripts. Entries not tagged IT Scripts [...]

Answer Question   |  March 31, 2012  2:09 PM
Contests, iptables, IT Knowledge Exchange, IT Scripts, Nintendo 3DS

SHA1 Digest in Perl.
Is SHA1.pm ( Perl module for SHA1 algorithm ) included in the perl download package from web? I ported a script from a Linux environment to an AIX environment. This script uses the SHA1 message digest. Although, perl exists on the AIX environment ( checked this using perl -v) , the script can’t locate SHA1.pm! [...]

Answer Question   |  March 31, 2012  11:40 PM
AIX, Linux, Linux administration, Perl, Perl error handling, SHA1

Linux Suse Proxy
 i install linux suse proxy server. i need  how to restricted internet access staff and allow all site for manger how to install..

Answer Question   |  April 20, 2012  7:40 AM
Linux administration, Linux servers, Proxy server, SUSE Linux

Linux OS audit log retention
Question about Linux Redhat OS audit logs. Is anyone familiar with the audit.log.xxx and the audit.log.xxx.gz relation? I’ve been moving the logs in /var/log/audit off for retention but I think I might be doing it incorrectly by moving the gz files off to be backed up and also to make room on /var/log/audit volume. Does [...]

Answer Question   |  March 31, 2012  1:59 PM
Auditing Standards, Linux, Linux administration, Linux OS, RedHat, Redhat Linux, RHEL, RHEL 5

Best shared storage on linux to set up a web cluster
what would be the most flexible and efficient software available today on linux platform to set up shared storage for clustering using apache on nginx ?

Answer Question   |  November 15, 2011  8:03 AM
Apache, Apache Web Server, Linux, Linux administration

Bison Warning while PHP5.3.5 Configure RHEL 5.6
Hi, When I compile PHP 5.3.5, everytime I get configure: warning: bison versions supported for regeneration of the Zend/PHP parsers: 1.28 1.35 1.75 1.875 2.0 2.1 2.2 2.3 2.4 2.4.1 (found: none). configure: warning: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers. Any help/suggestions will be a big help. [...]

Answer Question   |  May 2, 2011  4:27 AM
Bison, PHP installation, RHEL, Zend

Free IT Book: Dynamic Tracing
This week’s free IT book, DTrace, covers dynamic tracing in Oracle Solaris, Mac OS X, and FreeBSD. What can you learn from DTrace? Learn by example, with ample commands and “easy-to-adapt, downloadable D scripts. These concise examples generate answers to real and useful questions, and serve as a starting point for building more complex scripts. [...]

Answer Question   |  April 28, 2011  2:54 PM
Desktop virtualization, FreeBSD, Giveaways, IT answers, IT Books, Mac OS X, Oracle, Solaris, Storage virtualization

How to configure DNS in Cent OS
how to configure DNS in Cent OS

Answer Question   |  March 29, 2011  3:49 AM
CentOS, CentOS DNS configuration, DNS, DNS configuration