Installing and maintaining repository based software in RHEL family of distributions is handled by YUM. Repository preferences are configured in /etc/yum.repos.d/ directory and by the /etc/yum.conf configuration file. The .rpm…Continue readingyum
RPM package manager is used by large number of Linux distributions (Red Hat Enterprise, CentOS, Fedora). Like dpkg, rpm is meant to manage local software packages. This means it can…Continue readingrpm
Library – Usually a system library is a collection of program functions. From programming basics, we can say functions are self-contained code modules or code blocks that perform a certain…Continue readingUnderstanding Shared Libraries
The /etc/apt/sources.list contains list of registered repositories. This file is filled in with those links during system installation. However, you can freely add/remove links from it. Each line represents a…Continue readingapt-get
List all installed packages List all installed packages starting with openssh Show real name of the package and show package description Show package information Show dependencies for specified package, whether…Continue readingapt-cache
The dpkg environment settings are configured in /etc/dpkg/dpkg.cfg file. Installing packages Install this package (no dependencies) List all installed packages List this installed package && list all installed packages Install…Continue readingdpkg
Archwiki explains there are four parts when determining time: Time value Whether is local time, UTC, or something else time zone Daylight Saving Time (DST) Two clocks are used on…Continue readingUnderstanding Linux System Time
Filesystem – method of efficient data storing on Linux systems. Linux is using filesystems to manage stored data on storage devices. A filesystem maintains a map to locate each file…Continue readingUnderstanding Linux Filesystems
fdisk Program used to create, view, delete, modify partitions a a drive that uses MBR method of indexing partitions. However, fdisk does not allow resizing a partition. What you can…Continue readingPartitioning Tools
Once we create and format a partition, there is difficulty on how to make it larger or smaller. Individual partitions are prone to disk failures resulting in data loss. To…Continue readingUnderstanding Linux Storage Alternatives