Wired Gorilla

{Updated} I carry my Linux powered laptop just about everywhere. How do I protect my private data stored on partition or removable storage media against bare-metal attacks where anyone can get their hands on my laptop or usb pen drive while traveling?

The post How To Linux Hard Disk Encryption With LUKS [ cryptsetup encrypt command ] appeared first on nixCraft.

{Updated} I recently switched to a Ubuntu/Debian Linux server from a CentOS/RHEL 7.x. How do I install xfs (mkfs.xfs command) on a Debian/Ubuntu Linux server? How do I create and manage file XFS file system on a Ubuntu or Debian Linux LTS server?

The post How to install xfs and create xfs file system on Debian/Ubuntu Linux appeared first on nixCraft.

Today we release NGINX 1.19, the latest version of NGINX Open Source, the most popular web server on the Internet. This release signals the launch of the NGINX 1.19 development branch, following the release of the NGINX 1.18 stable branch last month. In this blog we discuss the NGINX versioning scheme, look back at what happened during the […]

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The post Introducing NGINX 1.18 and 1.19 appeared first on NGINX.

{Updated} I want to start command called foo, and kill it if still running after given DURATION in seconds. How do I run a command a time Limit on Linux? How do I run a Linux command, and have it timeout (abort) after N seconds? Can you give timeout command examples in Linux?

The post Linux run a command with a time limit (timeout) appeared first on nixCraft.

{Updated} I am a new Linux user. I started to use vim or vi text editor. How do I find all occurrence of the word called ‘eth0’ and replace it with ‘br0’ on Linux operating systems?

The post Vi / VIM: Find And Replace All Text Substitute Command appeared first on nixCraft.

{Updated} In Unix or Linux operating systems, how do I move file(s) starting with a dash (e.g., /home/you/--filename.txt or /home/you/-filename.txt)? How do I copy a file whose name begins with dash/hyphen (‘-‘)?

The post Linux / UNIX : Move File Starting With A Dash (-) appeared first on nixCraft.

Application downtime is a big deal, costing Fortune 1000 companies between $1.25 billion and $2.5 billion annually according to an IDC report. An outage can impact customer confidence and bring your business to a standstill. To reduce downtime and mitigate its costs, you can start by removing points of failure from your existing infrastructure with a modern, scalable […]

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The post Ensuring Application Availability with F5 DNS Load Balancer Cloud Service and NGINX Plus appeared first on NGINX.

{Updated} Want to limiting SSH connections with ufw? Try the following syntax to deny connections from an IP address that has attempted to initiate 6 or more connections in the last 30 seconds.

The post How to limit SSH (TCP port 22) connections with ufw on Ubuntu/Debian Linux appeared first on nixCraft.

{Updated} I am looking to set up MariaDB SSL (Secure Sockets Layer) and secure connections from MySQL client and PHP/Python application. How do I enable SSL for MariaDB server and client running on Linux or Unix-like system?

The post How to set up MariaDB SSL and secure connections from clients appeared first on nixCraft.

{Updated} How do I search multiple strings or words using the Search Multiple Words / String Pattern Using grep Command on Bash shell appeared first on nixCraft.

{Updated} I am a new Linux and KVM user. How do I delete a VM guest with virsh command line on Linux operating system? How do I delete a virtual machine called vps42 on Ubuntu or CentOS Linux server?

The post How to delete KVM VM guest using virsh command appeared first on nixCraft.