In this article, we will consider one of the main LDAP utilities - ldapsearch. It's a shell-accessible interface that opens a connection to the specified LDAP server using the specified distinguished name and password and locates entries base on a [...]
4 Examples To Grant Normal User Root Privileges In Linux
The “root” super user is the king of users in Linux/Unix. Having root access grants full and unlimited access to the Linux box. I will show you how to allow root access to a user in a Linux system. Typically, root [...]
How to Set Linux Grub Password with Examples
Boot loader is an integral part of the computer. In computing, booting is a set of operations that computer systems perform when power is on. Today, modern computers take one- tenth of a second and typically perform power on self test (POST). A [...]
Create LVM On New Disk In Redhat Linux
First of all, make a partition using fdisk command and then toggle that partition to LINUX LVM (8e) label.Then create a physical volume using pvcreate command as follows: #pvcreate /dev/hda10 To display the size of the physical volume: #pvdisplay /dev/hda10 To [...]
How to Boot Linux Grub into Single User Mode
GRUB is a GRand Unified Bootloader, the default bootloader in Linux. GRUB can be used to boot Linux in the single user mode. The single user mode is a restricted mode, that is used for maintenance purposes. In single user mode, the [...]
10 Example Scenarios To Learn Linux Find Command
The linux command “find” is a very powerful command which is basically used for searching files under a directory structure. This command can be used to find files using a variety of options such as by name,file type, inode number, [...]
Linux Awk Command With Examples To Make It Easy
AWK is a programming language or a tool which can be used to perform a wide variety of tasks, from simple tasks such as printing a message or displaying a file, to complex programs of solving SU-DO-KU. Awk is not just [...]
About Semaphores In Linux ? Use ipcs Command With Examples
A semaphore is a mechanism that allows contending process or thread to alter, monitor queries, and control shared system resources. A semaphore is a solution to race condition in multiprocessing system. Race condition occurs when multiple processes try to access shared [...]
How To Check LUN or SAN Disk In Linux
To check the attached LUN from a storage device in Linux, we have explained this with few commands. It is just to understand better how to manage attached storage. #cat /proc/scsi/scsi file, it will give you information as shown below: Attached devices: Host: [...]
Linux Command Rpcinfo - Check Nfs Client Connection
1) Issue the following command on the NFS client to make sure the server is running all the NFS server processes: /usr/bin/rpcinfo -p servername The rpcinfo command should display the following processes: rpcbind nfs mountd status nlockmgr llockmgr 2) Issue the following [...]
13 Commands to Find Architecture of Linux OS and CPU (32 & 64) Bit
Assume that administrator is in need to alter the existing system configuration or simply he wants to install a new software or hardware device before performing his needful task, he has to know the details of the system to make [...]
Everyday Linux ps command Examples for System Admin
Linux/Unix system administrator should be very proficient in performance monitoring and tuning. For performance monitoring, administrator should understand how various Linux component and processes works (like CPU, Memory, I/O and Network). Process status (PS) is a command used to display current [...]
How To Enable Log For Ssh Login In Linux
To access the particular system on a network or to operate required device or to execute the commands through a remote system, we use several protocols like rlogin, rsh, rcp, rdist and ssh. Among those programmes, Secure Shell (SSH) protocol [...]
How To Configure Netdump Client On Linux
1. To check whether “netdump” package has already been installed or not: # rpm –qa | grep netdump 2. If it is not installed, install netdump using the following command: # up2date -i netdump 3. To double check the installed package [...]