Troubleshoot Linux kernel panic with kdump crash tool. Kernel panic is a critical issue that manifests as a system freeze. If you're not familiar with what a kernel does, it is the core of an OS. Linux itself is a kernel, which enables developers to create numerous distributions.
May 09, 2014 · Introduction. Everyone has problems with their web server or site at one time or another. Learning where to look when you come across a problem and which components are the likely culprits will help you fix these problems quickly with less frustration. Troubleshooting with Linux Logs. Troubleshooting is one of the main reasons people create logs. When a problem occurs, you’ll want to diagnose it to understand why it happened and what the cause was. May 02, 2019 · How to Troubleshoot WiFi Drivers on Linux If the issue is with your Computer or a Laptop you should try using Restoro which can scan the repositories and replace corrupt and missing files. This works in most cases, where the issue is originated due to a system corruption. The Linux NFS implementation requires that both the NFS service and the portmapper (RPC) service be running on both the client and the server. Check it like this: # rpcinfo -p program vers proto port 100000 2 tcp 111 portmapper [portmap service is started.] 100000 2 udp 111 portmapper 100011 1 udp 881 rquotad 100011 2 udp 881 rquotad
A beginner's guide to network troubleshooting in Linux
Jun 29, 2020 · The Linux system boots so fast that most of the output scrolls by too quickly to read the text (showing services being started) sent to the console. Therefore observing boot issues/errors becomes a little of a challenge for us. In this article, we will briefly explain the different stages in a Linux
diagnostic - How to troubleshoot a hanging Linux machine
Jan 09, 2020 · Troubleshooting NFS Mount Issues in Linux January 9, 2020 Sreehari CK Leave a comment Network File System (NFS) is a protocol which allows a system to share directories and files with others over a network. Apr 02, 2020 · The proc filesystem is an important feature of Linux that you can't ignore. proc is a pseudo or virtual filesystem that provides an interface to kernel data structures. In other words, proc isn't an actual filesystem in the real-world sense; rather, it resides only in memory and not on a disk. It is automatically mounted by the system. How to Troubleshoot Common Nginx Issues on Linux Server? Posted November 22, 2019 5.6k views Linux Basics Nginx Linux Commands. By bobbyiliev. First, determine which mail transfer agent (MTA) you are using. Currently, Eclipse Linux servers are configured using the postfix MTA. If you are running an older system, you may be using the sendmail MTA. To determine which MTA you are running, use the following command: ls -l /etc/alternatives/mta