How to display Asterisks(*) when you type Password in Linux Terminal
As we all know terminal is a crucial tool for Linux admin, which allow them to perform any kind of task in a secured manner. When you type password in any of the GUI...
Category: Linux Commands
Three ways to lock and unlock user account in Linux
If password policy is already implemented in your organization, then you no need to look for this options. However, if you had set up lock period for 24 hours you might need to unlock...
5 Easy ways to free up space (Remove unwanted or junk files) on Ubuntu
Most of us will free up the disk space whenever we face out of disk space on Linux system. It should be performed frequently, to make space for installing any new application and dealing...
How to verify whether NTP setup (Sync) is working or not in Linux?
NTP stand for Network Time Protocol, which synchronize the clock between computer systems over the network. NTP server keep all the servers in-sync with accurate time to perform time based jobs in an organization. NTP...
Two methods to check or list out installed security updates on Redhat (RHEL) & CentOS system
We had wrote two articles in the past about this topic and each articles were published for different requirements. If you would like to check those articles before getting into this topic. Navigate to...
Four ways to install security updates on Red Hat (RHEL) & CentOS systems
Patching of the Linux server is one of the important and routine task of Linux admin. Keeping the system with latest patch level is must. It protects your system against unnecessary attack. There are...
How to check available security updates on Red Hat (RHEL) and CentOS system
Based on your organization policy you may need to push only security updates due to various reasons. In most cases, it could be an application compatibility issues. Is it possible to limit yum to...
How to check whether the given package is already installed in Debian/Ubuntu systems.
We have recently published an article about bulk package installation. While doing that, I struggled to get the installed package information and did a small google search and found few methods about it.I would...
Five methods to check your system’s current Runlevel in Linux
A run level is an operating system state on Linux system.There are seven runlevels exist, numbered from zero to six.A system can be booted into any of the given runlevel. Run levels are identified...
Four methods to check the default gateway or router IP Address in Linux
Your default gateway is the IP address of your router that you should be aware. Typically this is automatically detected by your operating system during installation, if not then you may need to change...
