Articles related to "Linux"

Linux

Troubleshooting Linux network performance issues

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.

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How to troubleshoot high I/O wait time in Linux

Is high I/O wait time affecting system performance? Find out how to easily identify and fix performance issues.

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Debugging network issues with tcpdump

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.

Linux

Troubleshooting NFS performance issues with nfsiostat and nfsstat

Learn how to fix NFS errors using nfsiostat and nfsstat.

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Disk I/O issues: Understanding and fixing them to boost system performance

Learn about the common disk I/O and space usage issues in Linux and troubleshooting methods to optimize system performance.

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Understanding CPU run queue length in Linux

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.

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Monitor Linux server performance

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

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Resolve process network usage issues

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.

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Managing and optimizing memory in Linux

Optimizing memory for Linux servers not only makes the application run smoother and faster, but also reduces the risk for the server crashing.

Linux

Understanding and troubleshooting with the netstat command

The netstat command is a tool for network diagnostics, configurations, and other port-scanning activities. Learn more

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How the Linux kernel handles hardware interrupts

Devices use hardware interrupts to interact with the CPU. Learn how Linux kernels handle them.

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Identifying and troubleshooting network tools

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.

Linux

A guide to NFS: Use cases, issues, and troubleshooting in Linux

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.

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Understanding TCP flags

Network engineers and security experts need to have a good understanding of TCP flags and how they are used. Learn more.

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How to monitor network traffic on Linux

CLI tools can be used to efficiently monitor network traffic on Linux. Go through different scenarios in which they can be used.

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Thread count of a process in Linux

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.

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Boost network performance through TCP Window Scaling

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.

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Understanding IOPS vs. throughput

IOPS and throughput are useful for assessing storage performance. Learn the relation between IOPS and throughput, and how to measure them.

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Understanding CPU utilization

Tracking and monitoring CPU efficiency are essential for handling system processes and resources. Learn mroe about the causes and effects of high CPU utilization.

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How to fix high CPU usage

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.

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What is inode usage, and how can we reduce it?

Inodes keep track of all the files on a Linux system. Learn more about inodes, their limitations, and troubleshooting them.

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Introduction to Linux Uptime

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.

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The importance of TLS in Linux

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.

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What is CPU steal time?

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.

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Top 7 Linux performance commands for system administrators

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.

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Understanding and troubleshooting page faults and memory swapping

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.

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Killing a process from the Command Line in Linux

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.

Linux

Troubleshooting Linux performance using the top command

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.

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