Why Maldet? This is one of the commonly using Malware detector for Linux servers. The installation and usages of Maldet is quit simple compared to other scanners. It uses threat data from network edge intrusion detection systems to extract malware that…
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How to change the priority of a Linux process – What is nice value in Linux?
What actually “nice value” means ? Why should we bother ? Every process which are running and waiting to execute under Unix has it’s own priority. Changing the priority comes under the management of server processor (CPU) time with respect to…
[Solved] Error while accessing sent and draft folders – webmail – Squirrel mail
Recently I came across this error in one of our client’s cPanel server. That is, when he access Drafts or Sent folders in Webmail (squirrel mail), I was getting the following error. Accessing INBOX seems to be okay. Only problem…
How/Command to find out the spam mailing script’s location – Exim mail server
The Exim mail server has a lot of options/commands to find out the details of spammers easily and i details from the command line itself. Please refer to the blog post “Spam Check” to get more ideas about Exim spam trouble…
How to block/deny SSH connection to server using /etc/hosts.deny file?
Secure Shell protocol is abbreviated as SSH. It is a secure and most commonly using protocol to access remote servers. This protocol uses encryption while transferring data between two hosts. TCP Wrapper is a host-based networking ACL system, used to…
How to allow SSH connection to server using /etc/hosts.allow file?
Secure Shell protocol is abbreviated as SSH. It is a secure and most commonly using protocol to access remote servers. This protocol uses encryption while transferring data between two hosts. TCP Wrapper is a host-based networking ACL system, used to…
How to Enable/Check TUN/TAP module in VPS(OpenVZ).
The terms TUN and TAP are commonly used in computer networking terminology. These are the virtual-network kernel devices. TUN is the short of network TUNnel and TAP is the short of network tap. The TUN simulates a network layer device and…