nixCraft Linux / UNIX Newsletter

Linux dd Command Show Progress Copy Bar With Status

Posted: 12 Aug 2018 10:33 AM PDT

E: Unable to locate package on Ubuntu Linux when using apt-get

Posted: 12 Aug 2018 09:46 AM PDT

diff Command Colorize Output On the Unix / Linux Command Line

Posted: 12 Aug 2018 09:37 AM PDT

How to install htop on macOS Unix desktop running on MacBook Pro

Posted: 12 Aug 2018 09:26 AM PDT

I like htop on my Ubuntu server. The man page says it is a free (GPL) ncurses-based process viewer for Linux. Can I install htop on macOS Unix desktop? How do I install htop on macOS sierra based MacBook pro?

The post How to install htop on macOS Unix desktop running on MacBook Pro appeared first on nixCraft.

Ansible reboot a Debian/Ubuntu Linux for kernel update and wait for it

Posted: 26 Jun 2018 01:13 PM PDT

How can I reboot a Debian or Ubuntu Linux server/host remotely using an Ansible playbook for kernel update and wait for it to come back again?

The post Ansible reboot a Debian/Ubuntu Linux for kernel update and wait for it appeared first on nixCraft.

How to install and configure OpenVPN client on OpenBSD

Posted: 21 Jun 2018 03:02 PM PDT

I have a file named openvpn.client.ovpn. How do I use this file to connect my OpenBSD based desktop to remote OpenVPN server and setup secure VPN? How do I configure OpenVPN client on OpenBSD Unix system?

The post How to install and configure OpenVPN client on OpenBSD appeared first on nixCraft.

How to install and enable Bash auto completion in Fedora Linux

Posted: 20 Jun 2018 12:30 PM PDT

I am a new Fedora Linux user. How do I install and enable Bash auto completion in Fedora Linux server?

The post How to install and enable Bash auto completion in Fedora Linux appeared first on nixCraft.

How to add encrypted ZFS pool on FreeBSD server

Posted: 19 Jun 2018 10:30 AM PDT

I recently added hard disk to my FreeBSD based server. How do I configure an encrypted ZFS pool to store data on this disk? How can I add encrypted ZFS pool on FreeBSD 11.x server?

The post How to add encrypted ZFS pool on FreeBSD server appeared first on nixCraft.

How to add cron job on Asuswrt Merlin Wifi Router

Posted: 18 Jun 2018 11:45 AM PDT

How can I add or delete cron jobs on my wifi router powered by Asuswrt Merlin firmware? How do I add cron job on Asuswrt Merlin Wifi router using command line?

The post How to add cron job on Asuswrt Merlin Wifi Router appeared first on nixCraft.

How to open DNS port 53 using ufw on Ubuntu/Debian Linux

Posted: 11 Jun 2018 01:31 PM PDT

How do I allow incoming DNS tcp/udp port 53 connections from a specific IP address or subnet on a Ubuntu or Debian Linux server using ufw? How can I open DNS port 53 using ufw firewall?

The post How to open DNS port 53 using ufw on Ubuntu/Debian Linux appeared first on nixCraft.

How to Restart Linux server using putty ssh client on Windows

Posted: 06 Jun 2018 01:19 PM PDT

I am using Windows version 7 or 10 on my desktop. How can I use putty client to restart Linux server? What is the procedure to restart Linux server using putty from Windows 7 or 10 desktop?

The post How to Restart Linux server using putty ssh client on Windows appeared first on nixCraft.

Debian Linux 7 Long Term Support reached end-of-life

Posted: 05 Jun 2018 09:16 AM PDT

The Debian Linux version 7 (codenamed "Wheezy") support ended on 31st May 2018. It was initial release on May 4, 2013. Each LTS ( initial release on May 4, 2013) support lasts for five years. It means Debian project will not provide any security updates for Debian 7. As Debian Linux 7 Long Term support ends, hence you must upgrade your system to keep it secure. This page list all essentials steps to update your system from Debian 7 to Debian 8.

The post Debian Linux 7 Long Term Support reached end-of-life appeared first on nixCraft.

6 Github alternatives that are open source and self-hosted

Posted: 04 Jun 2018 11:17 AM PDT

Git is a version control system. Linus Torvalds created Git in 2005 for development of the Linux kernel. Git is mainly used for software source code management. However, it can be used to keep track of any set of files such as HTML or CSS or a tutorial written in the markup language. Git is a Distributed Version Control Systems. A dedicated Git server helps to manage access control, show contents of a Git repository via the web and manage multiple repositories. In a Git, clients do not just check out the latest snapshots of the files. They entirely mirror the repository including history.

The post 6 Github alternatives that are open source and self-hosted appeared first on nixCraft.

How to reset a KVM clone virtual Machines with virt-sysprep on Linux

Posted: 03 Jun 2018 01:41 PM PDT

I know how to clone a KVM VM. Once cloned I would like to reset cloned VM. How do I reset, unconfigure or customize a virtual machine so clones can be made? How can I reset a KVM clone virtual Machines with virt-sysprep command on a Linux server based hypervisor?

The post How to reset a KVM clone virtual Machines with virt-sysprep on Linux appeared first on nixCraft.

Linux list a KVM vm guest using virsh command

Posted: 03 Jun 2018 12:41 PM PDT

How do I list a KVM vm guest using virsh command on a Linux based hypervisor?

The post Linux list a KVM vm guest using virsh command appeared first on nixCraft.

How to add comments to iptables rules on Linux

Posted: 30 May 2018 12:54 PM PDT

I am a new Linux sysadmin. How can I add comments to iptables rules on Linux using the iptables command?

The post How to add comments to iptables rules on Linux appeared first on nixCraft.

Download Ubuntu Linux 18.04 LTS (Bionic Beaver) CD/DVD

Posted: 27 Apr 2018 09:03 AM PDT

Ubuntu Linux version 18.04 LTS (codenamed "Bionic Beaver") has been released and available for download. Ubuntu Linux is a community-based Linux distribution, and you can download Ubuntu Linux 18.04 LTS version today. The latest release of Ubuntu brings the best open source technologies together on one platform, with the benefit of free updates for five years. This newest release of Ubuntu Server and desktop heavily focused on supporting cloud computing, IoT, AI, machine learning, 64-bit ARM-based server, and more.

The post Download Ubuntu Linux 18.04 LTS (Bionic Beaver) CD/DVD appeared first on nixCraft.

RHEL 7.5 released and here is how to upgrade 7.4 to 7.5

Posted: 10 Apr 2018 12:55 PM PDT

Red Hat Enterprise Linux (RHEL) 7.5 released. This version includes updates and various improvements such as GNOME rebased to version 3.26, LibreOffice rebased to version 5.3, Support for libva (VA-API) added, GStreamer now supports mp3 and more. RHEL is one of the leading enterprise Linux distribution for both bare metal and cloud platform. It targeted toward the commercial users. RHEL works with x86-64, IBM System z, and other platforms.

The post RHEL 7.5 released and here is how to upgrade 7.4 to 7.5 appeared first on nixCraft.

OpenBSD 6.3 released ( Download of the day )

Posted: 02 Apr 2018 12:56 PM PDT

OpenBSD version 6.3 has been released. OpenBSD is demonstrating to be an excellent server operating system. Security is more critical now than ever before. OpenBSD leads the pack when it comes to security features. OpenBSD provides a very robust and trustworthy system that comes with the cutting-edge security feature. OpenBSD 6.3 continues to offer the … Continue reading "OpenBSD 6.3 released ( Download of the day )"

The post OpenBSD 6.3 released ( Download of the day ) appeared first on nixCraft.

Book review: Ed Mastery

Posted: 01 Apr 2018 02:09 AM PDT

ed is a powerful line text editor for the Linux and Unix-like systems. It was one of the first standard Unix text editor developed in 1969 by Ken Thompson. Much older and legacy Unix like system only shipped with ed for the rescue purpose. There was no vi. So learning ed might be a good idea. A low-level understanding of ed editor helps when one uses a high-level application such as vi or vim. The "Ed Mastery" book teaches you how to use the ed and forgotten art of Unix where the line-oriented paradigm is the only option. The author describe book as, "If you don't know ed, you're not a real sysadmin. Forty years after ed's introduction, author Michael W Lucas has finally unlocked the mysteries of ed for everyone. With Ed Mastery, you too can become a proper Unix sysadmin."

The post Book review: Ed Mastery appeared first on nixCraft.

Linux/Unix desktop fun: sl – a mirror version of ls

Posted: 31 Mar 2018 04:22 AM PDT

One of the most common mistakes is typing sl instead of ls command. I set up an alias, i.e., alias sl=ls; but then you may miss out the steam train with a whistle. sl is a joke software or classic UNIX game. It is a steam locomotive runs across your screen if you type “sl” … Continue reading "Linux/Unix desktop fun: sl – a mirror version of ls"

The post Linux/Unix desktop fun: sl – a mirror version of ls appeared first on nixCraft.

Raspberry PI 3 model B+ Released: Complete specs and pricing

Posted: 14 Mar 2018 03:57 AM PDT

A new version of the Raspberry PI 3 model B+ has released, and it is incredible update over the older model. Just over two years ago, I got Raspberry Pi 3 Model B. It was my first 64-bit ARM board. It came with 64-bit CPU. Here are the complete specs for updated 64-bit credit card size computer.

The post Raspberry PI 3 model B+ Released: Complete specs and pricing appeared first on nixCraft.

Debian Linux 9.4 released and here is how to upgrade it

Posted: 10 Mar 2018 10:00 AM PST

The Debian GNU/Linux project has released an updated version of its stable Linux distribution Debian 9 ("stretch"). You must upgrade to get corrections for security problem as this version made a few adjustments for the severe issue found in Debian version 9.3. Debian is a Unix-like (Linux distro) operating system and a distribution of Free Software. It is mainly maintained and updated through the work of many users who volunteer their time and effort. The Debian Project was first announced in 1993 by Ian Murdock.

The post Debian Linux 9.4 released and here is how to upgrade it appeared first on nixCraft.

Shell script to setup an LXD (Linux Containers) VM lab for testing purpose

Posted: 30 Apr 2017 09:59 AM PDT

Shell script to mirror backups to another server in pull mode using rsync

Posted: 28 Apr 2017 11:55 AM PDT

Linux/Unix bash shell script to purge Cloudflare url/images from the command line

Posted: 28 Apr 2017 05:13 AM PDT