itxx00

#!/bin/bash

menu_select() {
    declare -a menu
    local options="$@"
    menu=($options)
    cur=0

    draw_menu() {
        for i in "${menu[@]}"; do

itxx00

1 You must agree that your name will be added to a file named AUTHORS.

itxx00

#!/usr/bin/env python
import sys

a_newer = 1
b_newer = -1
a_eq_b = 0

def stringToEVR(verstring):
    if verstring in (None, ''):
        return ('', '', '')

itxx00

tsd.core.auto_create_metrics=true
tsd.core.meta.enable_realtime_ts=false
tsd.core.meta.enable_realtime_uid=false
tsd.core.meta.enable_tsuid_incrementing=false
tsd.core.meta.enable_tracking=false
tsd.core.plugin_path=
tsd.core.tree.enable_processing=false
tsd.http.cachedir=/tmp/tsd
tsd.http.request.cors_domains=*
tsd.http.request.enable_chunked=true

itxx00

$ cat get_nn_stack.sh 
#!/bin/bash
pid=$(ps ax|grep namenode.NameNode|grep -v grep|awk '{print $1}')

topinfo=$(top -H -p $pid -b -n 3|grep -A1 'PID USER'|tail -1|awk '{print $1,$9}')
thread=$(echo $topinfo|awk '{print $1}')
cpu=$(echo $topinfo|awk '{print $2}')
echo $cpu

if [[ $(python -c "print $cpu > 70") = True ]]; then

itxx00

#!/bin/bash

#!/bin/sh
# this script sets the TTL(in seconds) value on the tsdb column family in HBase.

TTL=$1
if ! [[ $TTL =~ ^[1-9][0-9]*$ ]] ; then
  echo "Invalid TTL value (expecting a postive integer)" 1>&2
  exit 1
fi

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function is_ip() {
    local ip=$1
    local stat=1

    if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
        OIFS=$IFS
        IFS='.'
        ip=($ip)
        IFS=$OIFS
        [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 \

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# https://www.qcloud.com/doc/product/215/2238
3. 配置优化

公网网关主机会默认配置iptables的nat规则，以及打开kernel的ip_forward，基本的公网网关功能已经完全具备。建议经过下述配置，以达到更好的性能。

1) 通过以下命令将net.ipv4.ip_forward配置写到/etc/sysctl.conf文件中

echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
2) 通过以下命令将nf_conntrack配置参数调大

itxx00

# Before you can use the tool,
# you need to install following software.
# curl  openssl  gawk

if [ "$mode_qcloud_api" ];then
        return
fi
export mode_qcloud_api=1

function urlencode(){

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#!/bin/bash
# send named metrics to falcon-agent

RNDC_BIN=/usr/sbin/rndc
STATS='/var/named/data/named_stats.txt'


rm -f $STATS
if ! $RNDC_BIN stats; then
    exit 1