Recently we struck up with a problem. The problem is to run a script continuously in background and continuously check for a folder content changes. If any modifications are done in that folder, the script once again should start one more script. We thought of doing this by using crontab. But the problem with crontab is we have to wait at least one minute to run our script. One minute is too long for … Continue Reading
Archive for March, 2010
Click here If you are looking for User Disk Quota Implementation in Linux. Here in this post we are now going to discus how to implement Linux Group quota for a project?
Many people will ask why we require group quota if we have user quota?
I will explain this with an example. In companies people will be working on projects/groups where they want to share their data on a common location(Say an ftp server … Continue Reading
What is this auto logout?
Ans : Auto logout is a concept to force user to logout from the remote server. If the open session to remote server is idle for a given time.
So why actually we require auto logout?
Ans : As a security measure, This is good practice to set this, because its not a good idea/practice to keep open terminal idle.
How to accomplish this?
Ans : This can be achieved … Continue Reading
Its good to harden your box which is in DMZ.
What is DMZ?
Ans : DMZ is a De Militarised Zone where we will be keeping our servers, so that they can be access by out side people. Let me explain more about this DMZ. Who are not familiarise(And this activity is most of the time a Network admin work).
1. DMZ is a place where we will be isolate machines from companies local LAN.… Continue Reading
The most popular database(DB) software known to man is Oracle. There are some other commercial and open source Databases such as
1. MS-Sql(from Microsoft)
2. DB2(from IBM)
3. PostgreSQL(its a open source SW)
4. Mysql(my favorate one and good for small/medium organisations)
5. Sybase
Etc..
Do you want to know more about other DB names? Have look at below link, i create a squered link for you.
Ans : http://www.google.com/squared/search?q=mssql&items;=mysql&items;=oracle&items=PostgreSQL&items;=db2&items;=njsql
Ans : http://www.google.com/squared/search?q=mssql&items;=mysql&items;=oracle&items=PostgreSQL&items;=db2&items;=njsql
Recently we have installed a new RHEL5.4 machine. Its located just few kilometres from our office. But when I have observed at the time of logging in the shell prompt is taking considerable time to appear(though connection is taking a fraction of second, after entering the password its taking more time). So we did some tweeking and found out this is related to DNS. We have to change dns related entries in ssh … Continue Reading
