Linux Commands Used in the Collect-Support-Data Tool
Data Collector Description
tail Displays the last few lines of a file. Tails the /var/logs/messages directory.
uname Prints system, machine, and operating system information.
ps Prints a snapshot of the current active processes.
df Prints the amount of available disk space for file systems in 1024-byte units.
cat Concatenates the following files and prints to standard output:
  • /proc/cpuinfo
  • /proc/meminfo
  • /etc/hosts
  • /etc/nsswitch.conf
  • /etc/resolv.conf
netstat Prints the state of network interfaces, protocols, and the kernel routing table.
ifconfig Prints information on all interfaces.
uptime Prints the time the server has been up and active.
dmesg Prints the message buffer of the kernel.
vmstat Prints information about virtual memory statistics.
iostat Prints disk I/O and CPU utilization information.
mpstat Prints performance statistics for all logical processors.
pstack Prints an execution stack trace on an active processed specified by the pid.
top Prints a list of active processes and how much CPU and memory each process is using.