Sysreport - collect some detailed information about the hardware which will be used to diagnose problems with the system History - Shell command to display previously entered commands Last, lastb - Listing of most recent logins by mand Set - Display all environment variables in your current environment etc/shells is a text file which contains the full pathnames of valid login shells W - Displays currently logged in users and processes they are running Init, telinit - process control initialization Ntsysv - simple interface for configuring runlevels Runlevel - find the current and previous system runlevelĬhkconfig - updates and queries runlevel information for system services Uptime - Tell how long the system has been runningĬat /proc/meminfo - Show memory size and usage Sar - Collect, report, or save system activity information Slabtop - display kernel slab cache information in real time Top - provides a dynamic real-time view of a running system Netstat - Print network connections, routing tables, interface statistics, masquerade connections and multicast membershipsįree - Display amount of free and used memory in the system Mpstat - Report processors related statistics Vmstat - Report virtual memory statistics Iostat - Report Central Processing Unit (CPU) statistics and input/output statistics for devices and partitions Ps -eo pcpu,pid,user,args | sort -k 1 -r | head -10 Pgrep processname - Look up or signal processes based on name and other attributes Pidof processname - Find the process ID of a running program Pmap - Display/examine memory map and libraries Ps -auwx - Report a snapshot of the current processes It then stores the data in RRD files,Īnd (if needed) updates the graphs. Munin has a master/nodeĪrchitecture in which the master connects to all the nodes at regular (written by Tobi Oetiker) and the framework is written in Perl, while It makes it easy to determine "what's different today" when a Networks, SANs, applications, weather measurements and whatever comes to Using Munin you can easily monitor the performance of your computers, AfterĬompleting a installation a high number of monitoring plugins will be Its emphasis is on plug and play capabilities. It presents all the information in graphs through a web Munin the monitoring tool surveys all your computers and remembers what Aĭefault installation provides a lot of graphs with almost no work. Munin is a networked resource monitoring tool that can helpĪnalyze resource trends and "what just happened to kill our
0 Comments
Leave a Reply. |