Last change: 2025-01-10
The uname command is a small utility on Linux systems to show system information. It is usually available by default and easy to use.
Tools articles
Last change: 2025-01-10
The head command is a small utility on Linux systems to show the first 10 or defined number of lines of a file or filter standard input.
Last change: 2025-01-10
The lsns command on Linux can be used to show the namespaces that are in use on the system. It may be used for information gathering or troubleshooting.
Last change: 2025-01-10
The dmesg command shows available Linux kernel log entries from the kernel ring buffer, which include events about the boot, hardware, and processes.
Last change: 2025-01-10
The lsfd command on Linux can be used to show opened file descriptors and apply filters such as by process or type to reduce the output.
Last change: 2025-01-10
The numactl command provides NUMA (Non-Uniform Memory Access) information and allows to make run commands with a specific NUMA policy.
Last change: 2025-01-10
The renice command is a small utility on Linux systems and can be used to change the priority of a running process based on PID, process group ID, or user.
Last change: 2025-01-10
The nice command is a small utility on Linux systems and can be used to run a command with a specified scheduler priority.
Last change: 2025-01-10
The rev command on Linux can be used to reverse data such as a text string or lines in a file. It can use standard input and files.
Last change: 2025-01-10
The chrt command can be used to change the Linux scheduler class and a policy of a running process or start a command with the preferred scheduler settings.
Last change: 2025-01-10
The blkid command helps locating and displaying block device information on Linux systems, such as hard disks and other devices.
Last change: 2025-01-10
The whatis command helps system administrators to provide a one-line description of any matched manual page by looking in its local database.
Last change: 2025-01-10
The command apropos helps system administrators to quickly find manual pages on Linux by looking at their name and descriptions.
Last change: 2025-01-10
The slabtop command is a tool to how the slab usage of the Linux kernel, giving an idea on how fragmented the memory is.
Last change: 2025-01-10
The basename command is a small utility on Linux systems to strip the directory and suffix of a filename, to retrieve just the base of the name.
Last change: 2025-01-10
The pidwait command is a small utility on Linux that allows waiting for another process to stop, so the next task can be executed.
Last change: 2025-01-10
The pmap command is a tool to analyze a running process and show its process mapping, including the usage of libraries and memory usage.
Last change: 2025-01-10
The pwdx command is a tool on Linux to show the current working of a running process. This map help in troubleshooting issues with running programs.
Last change: 2025-01-10
The uptime command is a small utility on Linux to provide the time that the system is running, the so-called uptime.
Last change: 2025-01-10
The watch command is a small utlity on Linux to monitor changes in output of a command. It can be used for monitoring changes and troubleshooting.
Last change: 2025-01-10
The lynis command runs a security audit on Linux systems to test for vulnerable packages, security issues, and possible improvements for system hardening.
Last change: 2025-01-10
All common Linux commands available in one overview, categorized, and complemented with a short description about it's main purpose.
Last change: 2025-01-06
The year 2017 is closing, so it is time to review Linux security. Like last year, we look at the state of Linux security. A collection of the finest moments.
Last change: 2025-01-06
We collect the security tools for Linux that are useful to know. These tools might help you secure your Linux systems and test for security improvements.
Last change: 2025-01-06
Tired of the 'sorry, no budget' each time you want the company to buy a new software tool? Here are some tips to get that budget.
Last change: 2025-01-06
Overview of tools and hardening guides to implement system hardening for Red Hat Linux. Also applies Fedora, CentOS and Scientific Linux systems.
Last change: 2025-01-06
Learn more about vulnerability scanning on Linux systems using the Lynis auditing tool. Check for weaknesses and security measures that can be implemented.