Understand what is high context switching and interrupt rates in Linux servers, how they affect your system, and how to diagnose them.
Network issues are complicated because there are many devices that talk to each other via network. In this article, you'll learn how to troubleshoot Linux performance issues fast and efficiently.
Is high I/O wait time affecting system performance? Find out how to easily identify and fix performance issues.
TCPDUMP comes with a powerful filtering feature that makes it easy to find the packets that have a specific TCP flag or a combination of TCP flags.Learn more about filtering TCP flag packets using TCPDUMP.
Learn how to fix NFS errors using nfsiostat and nfsstat.
Learn about the common disk I/O and space usage issues in Linux and troubleshooting methods to optimize system performance.
CPU run queue length helps understand and solve load issues. Learn the commands to monitor CPU run queue and how to solve high load issues.
Learn how to monitor the Linux server performance using various available metrics like CPU usage, CPU load, disk usage, etc and to troubleshoot and fix slow-running Linux servers
Understanding network usage in processes is the key to learning and fixing potential problems related to it. Learn more about Linux network issues, the key metrics to be tracked, the tools to be used, and common solutions.
Optimizing memory for Linux servers not only makes the application run smoother and faster, but also reduces the risk for the server crashing.
The netstat command is a tool for network diagnostics, configurations, and other port-scanning activities. Learn more
Devices use hardware interrupts to interact with the CPU. Learn how Linux kernels handle them.
Mastering network tools will help sysadmin to debug network issues faster. In this article, we will walk through different tools, and how we can use them properly to troubleshoot and resolve network problems.
Network file sharing (NFS) is a protocol used for sharing files and directories between computers on a network. Learn about the use cases, issues, and troubleshooting.
Network engineers and security experts need to have a good understanding of TCP flags and how they are used. Learn more.
CLI tools can be used to efficiently monitor network traffic on Linux. Go through different scenarios in which they can be used.
Threads are used to speed up the execution of processes by increasing parallelism. Learn about threads and processes in a Linux system, how to increase the maximum number of threads, and common commands for checking the number of threads per process.
TCP guarantees that network packets are received in the order they have been sent, without duplication. In this article, we will explore how TCP window scaling works, along with its advantages and disadvantages.
IOPS and throughput are useful for assessing storage performance. Learn the relation between IOPS and throughput, and how to measure them.
Tracking and monitoring CPU efficiency are essential for handling system processes and resources. Learn mroe about the causes and effects of high CPU utilization.
Monitoring CPU utilization and CPU load is essential for optimizing performance. Learn how to monitor CPU load with common commands, the impact of high CPU load, and how to bring it under control for improved system performance.
Inodes keep track of all the files on a Linux system. Learn more about inodes, their limitations, and troubleshooting them.
CPU steal time is the percentage of time a virtual CPU within a cloud server involuntarily waits on a physical CPU for its processing time. Learn more.
Learn how TLS works, the various protocols it supports, how it implements data encryption, and why it’s important to enable it on Linux systems to secure data.
CPU steal time is the percentage of time a virtual CPU within a cloud server involuntarily waits on a physical CPU for its processing time. Learn more.
Linux top commands help you monitor CPU and memory usage, disk I/O operations, network activity, port configuration, and a lot more. Learn how these top commands can help sysadmins.
Paging and memory swapping are two common memory management techniques for the allocation and deallocation of memory. Learn pertinent issues with page faults and memory swaps as commonly occurring exceptions.
When a process is consuming excessive system resources, killing it may be your best option. Learn the process of finding the PID for a given process and then killing the process using a few simple commands.
The top command can become one of the most useful tools in your arsenal. Learn more about the most-used commands, understanding the top UI and metrics.