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2233 articles
5 simple steps to create shared folder Oracle VirtualBox
How to create shared folder using Oracle VirtualBox with Linux Operating System? Can I share a folder from Windows host to Linux OS inside Oracle Virtual Box?
5 easy steps change grub2 background image splash screen
Steps to change grub2 background image in Linux. The steps are valid for both legacy and UEFI BIOS. Use any JPE/JPEG or PNG image to set your own boot loader …
Step-by-Step: Upgrade multiple HPE VC firmware with SUM
Step by step guide to upgrade multiple HPE VC firmware (Virtual Connect) using Smart Update Manager. Perform parallel upgrade of the VC using SUM.
Solved: Device in bay #X power delayed until VC profile is applied
Steps to overcome Device in bay #X power delayed until VC profile is applied issue on HPE Onboard Administrator and Virtual Connect
How to disable ICMP and ICMPv6 redirects in Linux
Steps to block and disable ICMP redirects for IPv4 and IPv6 in Linux using firewalld and accept_redirects. You can disable these if host is not running as a …
6 simple methods to check if ipv6 is enabled in Linux
How to check if IPv6 is enabled or disabled in my Linux server. Check for any process listening on IPv6 socket using netstat, lsof or ss command
Linux disable IPv6 properly (with or without reboot)
Detailed guide with list of best practices to disable Ipv6 in Linux. You can use grubby, grub2-editenv, sysctl to disable your ipv6 across Linux server
6 practical examples of yum history to rollback updates and patches
Detailed step by step guide to rollback yum and dnf transactions on Linux server using yum history command. You can undo, redo or completely rollback the system …
How to setup http/https proxy with special characters in password
How to export the variable "http_proxy" or "https_proxy" when there are special characters in username or password in Linux?
7 tools to detect Memory Leaks with Examples
How to detect, capture and monitor memory leak in various applications such as C, C++ or in Linux process. use valgrind, core dump to capture leak information
10 practical examples to export NFS shares in Linux
This tutorial contains a list of nfs exports options in Linux with examples to create NFS share using /etc/exports. You can share with multiple hosts, single or …
Beginners guide to mount NFS share in Linux with examples
Step by step instructions to mount and unmount NFS share in Linux with examples. How to fix umount.nfs4:: device is busy
grubby Command in Linux: Syntax, Options & Practical Examples
Learn how to use the grubby command in Linux with syntax, options, and practical examples. This guide explains how to list installed kernels, change the default …
Easy steps to change default kernel version RHEL/CentOS 8
Step by step instructions to change default kernel from one version to another in RHEL/CentOS 8. You can change from newer to older or vice versa kernel version …
Best practices to update kernel-core in RHEL/CentOS 8
Steps and best practices to update kernel-core and kernel-modules in Red Hat or CentOS 8 using yum and dnf. List and verify default kernel version