A script to add hostname and IP address to /etc/hosts file automatically.
In this post, we will check out small script which takes hostname and IP address from the user and add it to /etc/hosts file of our Linux system automatically. So...
Author: Aakanksha
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What is cpio archive and how to extract and create cpio ?
It is a common question what do you mean by cpio archive and what is its use when we have gzip/xz, etc compressions already in place. And how to create...
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How to find all failed SSH login attempts in NGE Linux ?
Linux keeps tracks of all failed login attempts and this can be viewed by analyzing the /var/log/secure file. NGELinux, Centos,Redhat: # egrep "Fail(ed|ure)" /var/log/secure An example can be seen as...
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Difference between float and double ?
As we know both float and double are used for storing decimal point numbers, and the size of both varies from compiler to compiler. In general float occupies 4 bytes...
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Is Kernel 4 preinstalled on NGELinux ?
Yes kernel version 4 is pre-installed on NGELinux, however the live cd is created with 2.6 kernel since all kernel modules are not available with Version 4. When you install...
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Global Variable in C
Definition of Global Variable: Global variables are the variables which are declared outside of all the functions and thus its life exists untill the life of program. It can be...
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Tar Backup Issue
We are getting issue with TAR backup with error messages: Solution: This error is a common issue which occurs due to problem with tape drive. It is recommended to...
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What is cat command in linux ?
cat command is used to display the files’ content on linux server. ejaisak@5CD6454KCC /var/log $ cat setup.log 2017/01/04 17:49:34 Starting cygwin install, version 2.877 2017/01/04 17:49:34 User has backup/restore rights
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What logs provided to Redhat/Oracle for support ?
In this article we will check what all logs we provide to different OS vendors to get support from them. Suppose your server is not working correctly, you are getting...
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History of C
C is a general-purpose, structured programming language. C was originally developed in 1970’s by Dennis M. Ritchie to develop the UNIX operating system at Bell Telephone Laboratories. Following the publication...