Linux and Unix, Open Source, Linux Howtos
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 …
Two methods to check or list out installed security updates on Redhat (RHEL) & CentOS system Read More
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 …
Four ways to install security updates on Red Hat (RHEL) & CentOS systems Read More
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 …
How to check available security updates on Red Hat (RHEL) and CentOS system Read More
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 …
How to check whether the given package is already installed in Debian/Ubuntu systems. Read More
In some case you may need to install a list of packages from one server to another. For example, you have installed 15 packages on Server-A, and those packages needs …
How to Install & Uninstall a list of Packages from a file Read More
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. …
Five methods to check your system’s current Runlevel in Linux Read More
A gateway is a router that acts as an access point to pass network data from one network to another. The default gateway is your router’s IP address, which must …
How to Find Default Gateway IP in Linux Read More
Do you know, what tools are used to troubleshoot or monitor real-time disk I / O performance issues on Linux? In General, top command will be used to view system …
How to Monitor Disk I/O performance in Linux Read More
Most of the time we use Curl Command or Wget Command for file download and other related purpose. We had written best command line download manager in the past. You …
HTTPie – Modern command line HTTP client , An alternate for Curl and Wget Read More
In servers, Network interfaces either physical or virtual can be enabled or disabled by running some commands. If any change is performed in NIC due to which the interface is …
How to Enable (UP)/Disable (DOWN) Network Interface Port (NIC) in Linux? Read More