1) In network computing, DCE (Distributed Computing Environment) is an industry-standard software technology for setting up and managing computing and data exchange in a system of distributed computers.
DEFINITION of deadlock
A deadlock is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function.
Updating WHM/cPanel from the command line
WHM/ cPanel might experience errors that can only be resolved by updating the software. To update the software, login is as root and run the following command:
/scripts/upcp
This will only update your WHM installation and not affect any data.
Suspending a hosting account in Plesk
Log into Plesk as admin.
1. Click Domains icon here.
2. Click the domain name for which you’d like to suspend the account.
Security updates for NTP-vulnerable servers
Network Time Protocol (NTP) can be abused to amplify denial-of-service attack traffic. Servers running NTP based on implementations of ntpd prior to version 4.2.7p26 that use the default unrestricted query configuration are susceptible to a reflected denial-of-service (DDoS) attack. Other proprietary NTP implementations may also be affected.
Creating a subdomain in Plesk
1. Click Domains icon here.
2. Click on the domain for which you want to create a subdomain
3. Click Subdomains icon here.
How to Using RPM to verify installed Packages
The command rpm -V (The options -y and –verify are equivalent) verifies an installed package.
The purpose would be to see if the system configuration accurately reflects the contents of the RPM database. If the system configuration doesn’t match the database, then we can reach one of two conclusions:
Using whoami command in Linux
The whoami command print the user name associated with user id which is login in current session.
Command:
# whoami
How to install Korn shell in Linux
To install Korn shell in Linux .follow the given below steps:
1.Login as root.
2. Install ksh package
How to install Linux Socket Monitor
Login as root, download the latest version from http://www.rfxn.com/downloads/lsm-current.tar.gz.
Run the command below:
# wget http://www.rfxn.com/downloads/lsm-current.tar.gz
