Memory articles

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 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 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: 2025-01-06

Block the ability for systemd units to create or alter memory segments to become writable and executable as well with the unit setting MemoryDenyWriteExecute.

Last change: 2025-01-06

The systemctl command can be used to show the memory usage of a service managed by systemd. Use the subcommand 'status' to find the details about a unit.

Last change: 2025-01-10

The command smem can help showing memory usage, including the usage of swap. Here are the most common options explained.

Last change: 2025-01-10

Linux systems may use the pidstat command to retrieve system information such as details about CPU, memory, and disk activity by processes.

Last change: 2025-01-06

Articles and information about how memory, such as RAM, is being used on Linux systems. Great for system administration and troubleshooting purposes.

Last change: 2025-01-10

The Linux command vmstat reports information about a wide range of statistics, such as memory, paging, processes, disks, block IO, CPU activity, and traps.

Last change: 2025-01-06

Memory pages might need to be swapped to disk if the physical memory is full. Troubleshoot Linux system performance issues with focus on swap memory.

Last change: 2025-01-06

Want to see all hardware details of a system? Then dmidecode is your friend, helping to decode all information from the SMBIOS specification.

Last change: 2025-01-06

Linux memory management is an extensive subject. This guide helps you understanding the how to analyze it and obtain available memory information.

Last change: 2025-01-06

ASLR protects the Linux kernel and programs against different attacks. It can be tuned with the randomize_va_space setting to provide different protections.

Last change: 2025-01-06

Everyone who ever used Windows 95, is familiar with the concept of failure. Fortunately, Linux systems have a strong foundation and use containment of failure.