Information For IT

Before go to this post you need to view How to configure LDAP server and client configuration click here

Zimbra   is a suite of tools for Unix/Linux/MacOS systems, which includes a secure mail server, web mail, anti-spam/anti-virus controls,...

How do I hotplug a CPU on a running Linux system? I would like to dynamically enable or disable a CPU on a running system? Linux ker...

INTRODUCTION             The post fully deals with several parts of internet based utilities and restrictions that are mainly used ...

1. When a PC is booted it starts running a BIOS program which is a memory resident program on an EEPROM integrated circuit. BIOS – ...

Introduction Before we proceed, it would be best to cover some basic user administration topics that will be very useful in later c...

As stated earlier, the chkconfig command can be used to adjust which applications start at each runlevel. You can use this command with ...

M ost embedded Linux / BSD systems such as routers, servers and nas devices comes with console interface (serial port with RS-232). BIOS ...

H ow do I check and configure serial ports under Linux for various purposes such as modem, connecting null modems or connect a dumb termi...

From my mail bag: I would like to run few commands such as stop or start web server as a root user. How do I allow a normal user to run...

Q.   I am new to Linux and I would like to know where are the log files located under Debian or Cento OS Linux server? How do I open or v...

Q.   How do I rotate log files under Linux operating system? A.   You need use tool called logrotate, which is designed to ease admin...

Q.   How do I track and monitor connection for eth1 public network interface under Redhat Enterprise Linux (RHEL) 5 server? Ans. You ...

INTRO : LDAP stands for L ightweight D irectory A ccess P rotocol. It is used as centralized data (or Directory) server (not database se...

Before see this post please read my previous post ( Linux: Iptables Examples For New SysAdmins Part -->2 ) #12: Log and Drop Pac...

Before see this post please read my previous post ( Linux: Iptables Examples For New SysAdmins Part -->1 ) #3: Delete Firewall Rul...

Linux comes with a host based firewall called Netfilter. According to the official project site: netfilter is a set of hooks inside the...

H ow do I configure a host-based firewall called Netfilter (iptables) under CentOS / RHEL / Fedora / Redhat Enterprise Linu...

sysctl is an interface that allows you to make changes to a running Linux kernel. With /etc/sysctl.conf you can configure various Linux n...