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 …
Linux Administration presents a collection of common issues and useful tips for Linux system administration. Whether you’re new to system administration or have been maintaining systems for some time, we hope these tips are helpful regardless of your background or choice in Linux distributions.
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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. …
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How toLinuxLinux AdministrationMonitoring
Find number of unique IP’s and active connections to Web server
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 …
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How toLinuxLinux Administration
Linux Kernel panic issue: How to fix hung_task_timeout_secs and blocked for more than 120 seconds problem
This guide shows how to fix hung_task_timeout_secs and blocked for more than 120 seconds problem in Linux. A panic may occur as a result of a hardware failure or a software bug …
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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 …
