Category: Linux

Linux Server Managment

Why Should You Attend Agility This Year?

Agility, F5’s leading event for multi‑cloud application services, takes place from March 16–19 this year in Orlando, Florida. Join us for a week full of labs, breakout sessions, certification testing, networking, and much more. Agility is a four‑day event that brings together 1600+ technologies from across the F5 community, including customers and partners. Sounds Interesting – Who’s […]

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Linux / UNIX List Just Directories Or Directory Names


How do I list just directory names on a Linux and UNIX-like operating systems? How can I list directories only in Linux?

The post Linux / UNIX List Just Directories Or Directory Names appeared first on nixCraft.

[How To] Linux List All Users In The System


{Updated} I am a new Linux sys dmin and I’m unable to find the command to list all users on my RHEL server. What is the command to list users under Linux operating systems? How do I list users in Linux?

The post [How To] Linux List All Users In The System appeared first on nixCraft.

Linux List / Display and view all cron jobs


{Updated} How do I view currently setup or all running cron jobs under a Linux or Unix-like operating systems?

The post Linux List / Display and view all cron jobs appeared first on nixCraft.

Bash For Loop Examples


{Updated} Bash for loop is useful for automating repetitive tasks in IT or other stuff. Let us see how to use bash for loop to repeat specific tasks under Linux, *BSD, macOS, and Unix-like systems.

The post Bash For Loop Examples appeared first on nixCraft.

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?

The post How to check Ubuntu version in Linux command line appeared first on nixCraft.

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?

The post CentOS SSH Installation And Configuration appeared first on nixCraft.

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?

The post Shell Script Put Multiple Line Comments under Bash/KSH appeared first on nixCraft.

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

I How to use/run bash aliases over ssh based session appeared first on nixCraft.

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.