Command line tool to get status of remote network interfaces on linux servers. It's like a vmstat for remote NICs.
On a multicore machine can concurrently handle hundreds of servers per time, fast.
It reads information exposed through /proc file system using ssh connections so no remote agents are needed on targets. Even linux bridges are included in report.
Find incoming and outgoing DDoS in your network in a snap, even before NetFlow probes!
Put target hostnames in a file, one per line es.: ~/data/target_hosts.txt. It is possible to specify a different port than 22 using syntax:
myhost.tld[:port]-k1 & -k2 set hierarchical sort keys. Supported sorting keys are:
tx-Kbps, tx-pps, tx-eps, tx-dps, rx-Kbps, rx-pps, rx-eps, rx-dpsDefault sort settings are 1st: rx-dps & 2nd: rx-Kbps because these have proven to be the most effective spotting anomalies in the network of cloud service provider where rim has born.
Interfaces most active receiving by Kb/s:
rim -f ~/data/target_hosts.txt -k1 rx-KbpsInterfaces most active transmitting by Packets/s, the first ten (useful to spot out going DDoS):
rim -f ~/data/target_hosts.txt -k1 tx-pps -l 10It's also possible to use rim in a pipe:
cat ~/data/target_hosts.txt | rim | lessIn case of problems getting info from remote hosts, errors are printed to stderr so you must redirect it to stdout to propagate them throgh pipes:
rim -f ~/data/target_hosts.txt -n 2>&1 | lessMany anomalies on network interfaces can be easily spotted via Drops/s and Errors/s.
Default sort key are for rx data, to show tx data:
rim -f ~/data/target_hosts.txt -k1 tx-dps -k2 tx-KbpsTo print also Errors/s -e option must be used.
-n do not show titles. Without -p rim will try no password authentication and ssh-agent as fallback. Default user is root, another one can be used with -u flag.
A configuration file can be used to specify configuration parameters. File must be end with .cfg. Use env var RIM_CONF_FILE to specify its path. You could put:
export RIM_CONF_FILE=/path/to/conf.cfgin your .bashrc.
Available parameters can be showed with rim -h, lowercase first letter when use them in file. For example to specify HostsFile:
hostsFile = /path/to/fileThe easiest way is to get already compiled binaries for your system from Github's realeses page.
With a proper Go environment installed just run:
godep go buildTo install in $GOPATH/bin:
godep go install- v2.2.0-beta: show a spinner.
- v2.1.0-beta: add connection timeout parameter.
- v2.0.0-beta: configuration file capabilities.
- v2.0.0-alpha: it adds sort capabilities, no more need to pipe the output to
sort. It breaks APIs (output changed). - v1.0.0: initial relase, retrieve info from remote hosts via ssh.
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