You might already know about ASM, Device Mapper Multipathing (DM-Multipathing) if you are working quit long time as a Linux administrator. There are multiple ways to check these information. However, you will be getting...
We all are already know about sosreport. It’s used to collect system information that can be used for diagnostic. Redhat support advise us to provide a sosreport when we raise a case with them...
User management is one of the important task of Linux system administration. There are many aspect is involved in this and implementing the strong password policy is one of them. Navigate to the following...
We have recently published an article about bulk package installation. While doing that, i was struggled to get the installed package information and did a small google search and found few methods about it....
There are numerous monitoring tools are available in market to monitor Linux systems and it will send an email when the system reaches the threshold limit. It monitors everything such as CPU utilization, Memory...
In some case you may want to install list of packages from one server to another server. For example, You have installed 15 packages on ServerA, and those packages needs to be installed on...
Package installation is become more easier on Ubuntu/Debian based systems when we use apt-clone utility. apt-clone will work for you, if you want to build few systems with same set of packages. It’s time...
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...
Your default gateway is the IP address of your router that you should aware of that. Typically this is automatically detected by your operating system during installation, if not then you may need to...
Do you know what are the tools we can use for troubleshooting or monitoring real-time disk activity in Linux? If Linux system performance gets slow down we may use top command to see the...