Clik here to view.
How to backup and restore LUKS header on LinuxnixCraft
Previously I explained how to encrypt Linux partitions or disk with the LUKS (Linux Unified Key Setup)/dm-crypt. In this quick blog post, I will explain how to backup and restore LUKS header for...
View ArticleClik here to view.
SSH Into Google Cloud Compute Engine Instance Using Secure Shell...
{Updated} I need to set and test my web-app using Google cloud compute engine. How do I connect to an Instance Using ssh from my Ubuntu Linux or Apple OS X/macOS desktop?The post SSH Into Google Cloud...
View ArticleClik here to view.
How to write the output into the file in LinuxnixCraft
How do I write the output into the file in Linux bash shell? Can you explain I/O redirection for both bash and POSIX shell to write data to the file under Unix or Linux? The post How to write the...
View ArticleClik here to view.
How to write the output into the file in LinuxnixCraft
How do I write the output into the file in Linux bash shell? Can you explain I/O redirection for both bash and POSIX shell to write data to the file under Unix or Linux? The post How to write the...
View ArticleClik here to view.
How to install less on CentOS / RHEL / FedoranixCraft
One of my PHP and bash scripts depends upon less command to display the help system to other users. But, whenever they run less on a particular version of CentOS or RHEL cloud server, they get an error...
View ArticleClik here to view.
How to find ip address of Linux KVM guest virtual machinenixCraft Updated...
{Updated} How do I find out an IP address of Linux KVM guest from Linux host itself? I wanted to ssh into KVM guest VM. How can I find the IP address of a KVM Virtual Machine Guest on a CentOS Linux...
View ArticleClik here to view.
How to save iptables firewall rules permanently on LinuxnixCraft
I am using Debian / Ubuntu Linux server. How do I save iptables rules permanently on Linux using the CLI added using the iptables command? How can I store iptables IPv4 and IPv6 rules permanently on...
View ArticleClik here to view.
BASH Prepend A Text / Lines To a File under Linux, macOS and UnixnixCraft...
{Updated} I am a new Unix system user with a bash as a default shell. I can append text to a file using >> operator but how do I prepend a text to a file? I want the opposite operation of...
View ArticleClik here to view.
BASH Prepend A Text / Lines To a File under Linux, macOS and UnixnixCraft...
{Updated} I am a new Unix system user with a bash as a default shell. I can append text to a file using >> operator but how do I prepend a text to a file? I want the opposite operation of...
View ArticleClik here to view.
Linux and Unix Test Sequential Disk I/O Performance With dd CommandnixCraft...
{Updated} You can use the following commands on a Linux or Unix-like systems for simple sequential I/O performance testThe post Linux and Unix Test Sequential Disk I/O Performance With dd Command...
View ArticleClik here to view.
How to install and setup PostgreSQL on RHEL 8nixCraft Updated Tutorials/Posts
{Updated} How do I install PostgreSQL relational database management on RHEL 8 using the command line? How do I install and setup PostgreSQL on RHEL 8 (Red Hat Enterprise Linux) server using...
View ArticleClik here to view.
How to view status of a service on Linux using systemctlnixCraft
How do I use the systemctl command command to view status of a service on Linux operating systems?The post How to view status of a service on Linux using systemctl appeared first on nixCraft.
View ArticleClik here to view.
Linux / UNIX List Open Files for ProcessnixCraft Updated Tutorials/Posts
{Updated} How do I list all open files for a Linux or UNIX process using command line options? How can I show open files per process under Linux?The post Linux / UNIX List Open Files for Process...
View ArticleClik here to view.
Linux Dell Server / Desktop / Laptop Find Out Service Tag CommandnixCraft...
{Updated} I need to find out the service tag of my Dell server or computer. How do I find out my unique five- to seven-digit alphanumeric (letter and number) service tag code without looking at the...
View ArticleClik here to view.
FreeBSD configure AWS SES with Postfix MTAnixCraft
How do I integrate and configure Amazon/AWS SES with Postfix running on my FreeBSD Unix server?The post FreeBSD configure AWS SES with Postfix MTA appeared first on nixCraft.
View ArticleClik here to view.
FreeBSD configure AWS SES with Postfix MTAnixCraft
How do I integrate and configure Amazon/AWS SES with Postfix running on my FreeBSD Unix server?The post FreeBSD configure AWS SES with Postfix MTA appeared first on nixCraft.
View ArticleTop 15 XKCD comics for Linux and Unix fansnixCraft
Linux is a free and open-source kernel developed by Linus Torvalds, a Unix-like operating system clone. XKCD comic has a long tradition for including humorous geeky cartoons. In this post, I pick my...
View ArticleTop 15 XKCD comics for Linux and Unix fansnixCraft
Linux is a free and open-source kernel developed by Linus Torvalds, a Unix-like operating system clone. XKCD comic has a long tradition for including humorous geeky cartoons. In this post, I pick my...
View ArticleClik here to view.
How to use ssh-agent for authentication on Linux / UnixnixCraft
How do I use the ssh-agent command for non-interactive authentication on Linux and Unix-like systems such as macOS or FreeBSD desktop? My private key is protected with a passphrase or password. So I...
View ArticleClik here to view.
Linux Change or Rename User Name and UIDnixCraft Updated Tutorials/Posts
{Updated} How do I change user name (rename user name) or UID under a Linux operating system using command line tools? How do I change or rename username in Linux?The post Linux Change or Rename User...
View Article