How to view Bash history without line numbers? 5

bash history command is very useful. It gives you an complete view of what commands you ran. By default bash  historycommand will give you all your previous commands with Line numbers. It’s the default behavior. However when you’re trying to copy-paste those commands again, you have to manually remove those Line numbers. This becomes rather […]

How to view bash history command without line numbers - Bash history wo line numbers - blackMORE Ops - 2

Check for Shellshock Bash Vulnerability - blackMORE Ops

Check for Shellshock Bash Vulnerability and how to fix it 7

A flaw was found in the way Bash evaluated certain specially crafted environment variables. An attacker could use this flaw to override or bypass environment restrictions to execute shell commands. Certain services and applications allow remote unauthenticated attackers to provide environment variables, allowing them to exploit this issue. In this guide we will show how […]


Find number of unique IP’s and active connections to Web server

What is netstat? In computing, netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface (network interface controller or software-defined network interface) and network protocol statistics. It is available on Unix-like operating systems including OS X, Linux, Solaris, and BSD, and is […]

Find number Unique IP's and active connections to Web server - blackMORE Ops - 2

How to fix hung_task_timeout_secs and blocked for more than 120 seconds problem - blackMORE Ops

Linux Kernel panic issue: How to fix hung_task_timeout_secs and blocked for more than 120 seconds problem 1

Linux Kernel panic issue Short description: This guide shows how to fix hung_task_timeout_secs and blocked for more than 120 seconds problem in Linux.     Background My server became unresponsive today (around 15:38hrs) I’ve collected following logs that shows Memory and CPU usage and narrowed down /var/log/messages. After doing a hard reboot, it came back online but […]


How to check loaded and compiled modules in HTTPD in Linux?

This is a very common question and sometimes hard to find answer. How do you check which Apache modules are loaded in your HTTP / Apache server? The second part is, how do you check which modules are compiled and ready to be loaded? Following two commands will show you you can easily check loaded and […]

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Connect to WiFi network in Linux from command line - blackMORE Ops

Connect to WiFi network from command line in Linux 11

How many of you failed to connect to WiFi network in Linux? Did you bumped into issues like the followings in different forums, discussion page, blogs? I am sure everyone did at some point. Following list shows just the results from Page 1 of a Google search result with “Unable to connect to WiFi network […]


Find HorizSync VertRefresh rates to fix Linux display issue – Why my display is stuck at 640×480? 6

I had this problem a few days back and it took me sometime to figure out what to do. I have a NVIDIA GTX460 Graphics card on my current machine and a Acer 22″ Monitor. After installing NVIDIA driver, my display was stuck at 640×480 and no matter what I do, nothing fixed it. This […]

Fix display issue in Linux - after installing graphics driver, display stuck - Detect supported VertRefresh and HorizSync values with ddcprobe - blackMORE Ops -3

Install AMD ATI proprietary fglrx driver in Solydxk Linux - SolydXK - blackMORE Ops

Install AMD ATI proprietary fglrx driver in SolydXK Linux

SolydX is a Debian based distribution with the Xfce desktop. It intends to be as light-weight as possible without giving up any of the expected functionality. SolydX and SolydK are Debian based distributions with the Xfce and KDE desktop. SolydXK aims to be simple in use, providing an environment that is both stable and secure. […]