Fang-Li

#!/usr/bin/env bash

# Kill an Erlang process by node name
#
# e.g.: kill-erlang-node kred

# Check usage
if [ -z "$1" ]; then
  echo "Usage: `basename $0` NODE_NAME"
  exit 1

Fang-Li

## kill process 

### python version
1. ps -ef | grep django-admin.py | grep -v grep
2. kill -TERM PID1 PID2
3. killproc processName

### normal version
4. ps -ef or  ps -aux # find process then killed
5. kill -s 9 PID

Fang-Li

#!/bin/bash

# Collects system performance statistics such as CPU, memory, and disk
# usage as well as top processes ran by users.
#
# All size values are in KiB (memory, disk, etc).


# Takes these command line arguments:
# $1 - cpuThreshold in % of total across all CPUs. Default is provided in no-args option.

Fang-Li

-module(user_default).
-author('serge@hq.idt.net').

%% Compile this file and use this line in your ~/.erlang file (with
%% correct path, of course!) to where the user_default.beam file is stored.
%%
%%    code:load_abs("/home/fritchie/erlang/user_default").

-export([help/0,dbgtc/1, dbgon/1, dbgon/2,
         dbgadd/1, dbgadd/2, dbgdel/1, dbgdel/2, dbgoff/0,

Fang-Li

%% Load all erlang modules in path
%% autoload all modules that are in the code:path() and reside in the user directory
%% put in ~/.erlang
[code:ensure_loaded(list_to_atom(filename:rootname(filename:basename(F))))
 || P <- lists:filter(fun(Path) -> string:str(Path, os:getenv("USER")) > 0 end, code:get_path()), F <- filelib:wildcard(P ++ "/*.beam")].

%% 我的更新
[io:format("~p~n",[F]) || 
  P <- lists:filter(fun(Path) -> string:str(Path, "erlang") /= 0 end, code:get_path()), 
  F <- filelib:wildcard(P ++ "/*.beam")].

Fang-Li

#!/bin/bash
#killer.sh
export PATH=$PATH:/bin:/usr/bin:/usr/local/bin:/sbin:/usr/sbin:/usr/local/sbin

while true;
do
        ps axf -o "pid %cpu command" |grep -v bashd| awk '{if($2>=80.0) print $1}' | while read procid
do
        kill -9 $procid
done

Fang-Li

-module(performance_test).
-compile(export_all).

%% workers.
main(_N_Pro, _N_Times, _WorkFun, _Arg, 0) ->
    over;
main(N_Pro, N_Times, WorkFun, Arg, LoopTime) ->
    %    io:format("work fun :~p~n",[WorkFun]),
    %%     error_logger:logfile({open,"./tmp_test.log"}),
    MainId =  self(),

Fang-Li

#!/bin/bash

node=$1
data=($(echo $node | tr "@" "$IFS"))

username=root
name=${data[0]}
domain=${data[1]}
rand=$(date +%s | sha256sum | base64 | head -c 10 ; echo)