The scheme was not recognised as a valid LDAP URL scheme.

When you are configuring Apache-Aactive directory integration you may find this error. This is bit strange error, this type of errors will come when the LDAP URL is not mention properly. There may be a special character in the line which you

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How To Add Subdomain(Subzone) DNS Record In Linux?

Recently we got a requirement to configure a Sub-domain(sub-zone) record in DNS server.  Its little bit advanced concept but very much easy to configure. The most known records are as follows. A record for Adding an IP address record NS record for

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How to find expired user accounts in Linux

Q. I have a requirement to check whose accounts are expired in Linux machine and send a mail to root user about the accounts. How can i achieve this in Linux? Ans : Here is the script to check the account expires

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How To Convert NRG File To ISO File In Linux

Q. I have an NRG image file which is created from my nero writing software, how can i convert it to ISO formateso that I can mount it under linux? Ans : .nrg files can be converted by using nrg2iso command. This

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How To Find Large Files In Linux

Some times it is required to find big files which are eating out Harddisk space. We have to find them and delete them if they are not worth to keep. This can be done by using find command with -size option. find

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How To Search Multiple Files With grep

Search for a string in multiple files using grep Today we came across a requirement to check all the files in a directory for a specific entry. The situation is like this. We have two public DNS servers, we usually take backups

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How To Disable Iptables Firewall In Redhat/CentOS Linux

IPtable is a firewall application by default installed in all the Linux flavors. It is having great capabilities in blocking and unblocking content. Some times its required to disable iptables to troubleshooting network related configurations.  To disable iptables in Redhat/CentOS we have to

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How To List Only Alphabetical Filename in Linux

How to list Alphabetical Files and folders in Linux? Some times its required to list only alphabetical file names when listing a directory. A small script will help you in getting this.. for i in *; do egrep   '^[a-zA-Z]+$' <<<"$i"; done Here

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How To Find Growing Files In Linux?

I have a requirement where I have to find some core/log files which are growing continuously and eating up my disk space in one of the production server. Now my job is to find them  and delete some of them which are not required.

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How To Create, Resize And Convert Images or photo’s In Linux?

Mogrify and convert commands are excellent commands to convert or resize the image file in Linux and many more we can do. Please have a look at their man pages for more information The main different comes when creating the file. Mogrify

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