Frequently Asked Questions

Install vsftpd Ubuntu 12.04 and LinuxMint13 64bit

Questions: How  to install Vsftpd on Ubuntu 12.04 or  Mint 13  ? Answer : 1- Start  with installing vsftp sudo apt-get install vsftpd 2- Edit the config file sudo...

openssl to convert cer chaine files to p7b files

Question: How to convert cer files to p7b files ? Answer: Lets download the  cer  files  from the  server openssl s_client -connect mijn.ing.nl:443 -showcerts CONNECTED(00000003) depth=3...

Howto- Install RPM Packages on Ubuntu

In Ubuntu/Linux Mint you can  install softwares from Software Centers or via PPA/Synaptic . If any software is not available in deb/software center/ppa and...

How to set up Python scripting for Apache

In this post i will show you how to set up Python scripting for Apache. Note that I assume that you have already set...

ImportError: No module named trac.web.modpython_frontend |SOLVED

Question : How  to   solve  error ImportError: No module named trac.web.modpython_frontend Answer: You are getting this error because  apache may not be able to create the Python...

Howto- Install Python 3.x in Ubuntu, Debian, Fedora & Centos

Question: How to install Python 3.x in Ubuntu, Fedora &  Centos? Answer: 1- To be able to compile Python Source, you will need few packages. Open...

Howto- add FTP Users For VSFTP

Question : How to add FTP Users For VSFTP  Server ? Answer : Before you can add any users to VSFTP, the user must already exist...

Suspend VS hibernate in Linux, what is the difference?

Question: Suspend VS hibernate in Linux, what is the difference? Answer: Suspend stops operation of all applications and system state is saved in RAM, the machine...

How to Monitor Realtime Network Traffic in Ubuntu / Debian /Mint

Question: How to Monitor Realtime Network Traffic in Ubuntu / Debian /Mint  ? Answer: What you need to do is to install ifstat tool,  from terminal...

What are the sendmail configuration files?

Question: what are the sendmail configuration files  ? Answer : Sendmail uses the following configuration files: /etc/mail/access                      sendmail access database file /etc/mail/aliases...

Solved – PHP Warning: Module 'PDO' already loaded in Unknown on...

Question : I got this error  Log in CMS  (Joomla  and  Wordpress) : PHP Warning: Module 'PDO' already loaded in Unknown on line 0. Solution: First...

Useful commands for Linux normal users and administrators

Recently, CLI is mostly used by Linux/Unix administrators since most popular linux distros come with a complete set of GUI applications that make the...

Common Linux log files name and usage

Log files are very valuable files for Linux system security. In Linux, almost all log files are stored in ‘/var/log‘ directory. . . . .  Common Linux log files...

Howto- NumLock on by default in Linux

If you prefer that the NumLock is activated automatically when you turn on your computer, then follow the instructions in this post. Install the package ...

How to disable server signature using .htaccess or by editing Apache?

Question : How to disable server signature using .htaccess or by editing apache config file? Answer: Attackers can use server signature to their advantage when performing...

How to Convert RHEL 6.x to Centos 6.x

Question : How to Convert your RHEL 6.x to Centos 6.x ? Answer : If you are using RHEL 6.x and you want to move...

How to turn Off linux password expiration?

 Question : How to turn off password expiration under Linux? Answer: . . . . .   The  Encrypted password list is stored  in /etc/shadow file cat /etc/shadow   root:$1$dkk&Iw6zvgu$P3ms0o5GiXv66BzNXe0:15294:0:99999:7:: This is the...

How to erase MBR in Linux

Question: How do I remove a third party boot loader from the MBR    Answer: Erase the first 512 bytes of the harddrive to remove the...

Latest Articles

Learn file management commnad line required for RHCSA

3.0 Introduction to Red Hat Linux Key file system Welcome back, in this ‘RHCSA examination preparation guide’ series two articles are published, this is third...

Review: Ubuntu 16.04 LTS (Xenial Xerus)

Introduction Here we are again staring down the face of a new release of Ubuntu. This time around we see the release of the new...

Learn man, vim editor and file globbing for RHCSA

4.1 What we will include in this RHCSA tutorial? Welcome back to this RHCSA exam preparation tutorial series, three chapters of this tutorial series has...

Password Management in Linux by using passwd command

A password(commonly knows as passwd in linux) is an unspaced sequence of characters used to determine that a computer user requesting access to a...

Proxmox VE 4.2 Released

IENNA, Austria – April 27, 2016 – Proxmox Server Solutions GmbH, the company developing the server virtualization platform Proxmox Virtual Environment (VE), today announced...

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