uptime
The three load average values are 1, 5 and 15 minutes.
$ uptime
15:29:28 up 20:23, 0 users, load average: 5.08, 1.49, 0.51
stress
Stress your system in different ways.
$ stress --cpu 8
Number of processors
$ make -j $(nproc)
Synonyms for localhost
localhost
127.0.0.1
127.0.0.2
127.0.0.3
127.1
0.0.0.0
0 # yep
Move a file out of the way
mv {,_}.bash_history
Verbose time
$ /usr/bin/time -v time
Usage: time [-apvV] [-f format] [-o file] [--append] [--verbose]
[--portability] [--format=format] [--output=file] [--version]
[--quiet] [--help] command [arg...]
Command exited with non-zero status 1
Command being timed: "time"
User time (seconds): 0.00
System time (seconds): 0.00
Percent of CPU this job got: 0%
Elapsed (wall clock) time (h:mm:ss or m:ss): 0:00.00
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
Maximum resident set size (kbytes): 1472
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 68
Voluntary context switches: 1
Involuntary context switches: 0
Swaps: 0
File system inputs: 0
File system outputs: 0
Socket messages sent: 0
Socket messages received: 0
Signals delivered: 0
Page size (bytes): 4096
Exit status: 1
Vendor IDs
View the latest on http://standards-oui.ieee.org/oui.txt.
To install on Ubuntu:
sudo apt install --yes arp-scan
get-oui