How do I Monitor a slow UNIX or Linux system?

These are tips and commands to monitor slow UNIX or Linux systems.

FTA “…When your UNIX system runs slow, it is vital that you discover what the problem is as quickly as possible so you can get your system back into the normal operating mode. There are many causes for a slow system, but actually identifying the problem can be exceedingly difficult. In this article, study examples of how to identify and diagnose the cause of your slow running UNIX system to get your machine running properly again…”

Read more at IBM Developer works…

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CategoryList of Unix and Linux commands
File Managementcat
FirewallAlpine Awall CentOS 8 OpenSUSE RHEL 8 Ubuntu 16.04 Ubuntu 18.04 Ubuntu 20.04
Network Utilitiesdig host ip nmap
OpenVPNCentOS 7 CentOS 8 Debian 10 Debian 8/9 Ubuntu 18.04 Ubuntu 20.04
Package Managerapk apt
Processes Managementbg chroot cron disown fg jobs killall kill pidof pstree pwdx time
Searchinggrep whereis which
User Informationgroups id lastcomm last lid/libuser-lid logname members users whoami who w
WireGuard VPNAlpine CentOS 8 Debian 10 Firewall Ubuntu 20.04
3 comments… add one
  • Roel May 11, 2014 @ 22:19

    IBM link is dead…

  • Marc Jun 13, 2006 @ 10:23

    Pretty good selection of tools mentioned in that article. Another one which I haven’t used much yet, but I’ve heard good things about is OProfile.

    If I determine that the problem is a particular app, then I will typically use tools like truss, ktrace, strace, and pstack.

  • linuxBot Jun 13, 2006 @ 12:21

    Mark, sounds interesting. Thanks for the Oprofile link, ill check it out 🙂

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