Category: Linux

Linux Server Managment

How to use parallel ssh (PSSH) for executing commands in parallel on a number of Linux/Unix/BSD servers


Recently I come across a nice little nifty tool called parallel ssh (PSSH) to run a single command on multiple Linux / UNIX / BSD servers. You can easily increase your productive with this SSH IT automation tool.

The post How to use parallel ssh (PSSH) for executing commands in parallel on a number of Linux/Unix/BSD servers appeared first on nixCraft.

How to check Ubuntu version in Linux command line


I am a new Linux system user. How do I check Ubuntu version In Linux command line?

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CentOS SSH Installation And Configuration


How do I install and configure ssh server and client under CentOS Linux operating systems? Can you explains CentOS SSH installation commands?

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Shell Script Put Multiple Line Comments under Bash/KSH


How do I put multi line comment under a shell script? Can you tell method to set multiline shell script comments?

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Debian Linux 10.3 released and here is how to upgrade it


The Debian GNU/Linux project has released an updated version of its stable Linux distribution Debian 10 (‘buster’). You must upgrade to get corrections for security problem as this version made a few adjustments for the severe issue found in Debian version 10.2.

The post Debian Linux 10.3 released and here is how to upgrade it appeared first on nixCraft.

Using NGINX as an Ingress Controller for IBM Cloud Private

The latest version of IBM Cloud Private was launched on March 20th at IBM Think 2018. This solution is also described in a press release. Today’s enterprises, from global retailers to banks and airlines, have a mandate to modernize their traditional applications and infrastructure. They’re looking for new platforms and tools, development approaches, and IT […]

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The post Using NGINX as an Ingress Controller for IBM Cloud Private appeared first on NGINX.

Introducing NGINX Controller 3.0: Accelerate Time to Market with App-Centric Delivery

We can do better. That is a guiding principle here at NGINX and is core to how we developed the next generation of NGINX Controller, our centralized orchestration and analytics platform. It’s not that previous versions

Linux Rename Multiple Files At a Shell Prompt

How do I rename multiple files at a shell prompt under a Linux or UNIX operating systems? The post Linux Rename Multiple Files At a Shell Prompt appeared first on nixCraft.

Protects Linux machines from accidental shutdowns/reboots with molly-guard

Oops! I did it again. I thought I was logged into my home server. Turns out I rebooted the db server. Another my not so favorite is typing ‘shutdown -h 0’ into the wrong terminal.

Linux / Unix Rsync Copy Hidden Dot Files and Directories Only

How do I use the rsync tool to copy only the hidden files and directory (such as ~/.ssh/, ~/.foo, and so on) from /home/jobs directory to the /mnt/usb directory under Unix like operating system? The

Alarm clock Set Timeout For A Shell Command

How can I run a command called foo, and have it timeout/abort after 10 seconds under GNU/Linux running bash shell or script? How do I run the command under an alarm clock? The post Alarm

How to use/run bash aliases over ssh based session

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Linux rpm List Installed Packages Command

How do I list all installed packages using rpm command on CentOS/Suse/Fedora/RHEL/Scientific and Red Hat Enterprise Linux? Can you tell me the Linux command to list all rpm’s installed on the server? The post Linux

Linux Find Out Maximum RAM Supported By Server / BIOS

How do I find out the maximum RAM supported by the Dell, HP, IBM, Oracle/Sun or Intel/AMD server on a Linux or Unix-like operating systems without rebooting the server or opening the server case (chassis)?

BASH Shell Test If a File Is Writable or Not

How can you test if a file is writable under UNIX / Linux bash shell scripting and programming language? The post BASH Shell Test If a File Is Writable or Not appeared first on nixCraft.

Linux exit from lxc-console keyboard shortcut

I am using Debian Linux server with Linux Containers (lxc). How do I disconnect and exit from an lxc-console to a shell prompt without closing ssh session? The post Linux exit from lxc-console keyboard shortcut

Ubuntu Linux Change Hostname (computer name)

How do I change the Ubuntu computer name from ‘ubuntu’ to ‘AvlinStar’? Can you tell me more about Ubuntu Linux change hostname command? The post Ubuntu Linux Change Hostname (computer name) appeared first on nixCraft.

Remove grep command while grepping using ps command

I use ps command to find out all Remove grep command while grepping using ps command appeared first on nixCraft.

Grep From Files and Display the File Name On Linux or Unix System

How do I grep from a number of files and display the file name only? How do I force the Grep From Files and Display the File Name On Linux or Unix System appeared first

Announcing NGINX Ingress Controller for Kubernetes Release 1.6.0

We are happy to announce release 1.6.0 of the NGINX Ingress Controller for Kubernetes. This release builds upon the development of our supported solution for Ingress load balancing on Kubernetes platforms, including Amazon Elastic Container