Sometimes you may need to set password for single user mode in Linux. Here are the steps to do it.
Linux
How to Change Kernel Parameters At Runtime
Sometimes you may need to change kernel parameters in runtime. Here are the steps to do it using sysctl command.
How to Install Kernel Headers in RHEL & CentOS
Sometimes you may need to install kernel headers in RHEL & CentOS Linux. Here are the steps to do so in Linux.
How to Install Kernel Headers in Ubuntu & Debian
Sometimes you may need to install kernel headers in Ubuntu & Debian Linux systems. Here are the steps for it.