Fan Zhang zh-f

Remove MySQL completely

Open the Terminal
Use mysqldump to backup your databases
Check for MySQL processes with: ps -ax | grep mysql
Stop and kill any MySQL processes
Analyze MySQL on HomeBrew:

brew remove mysql

Set rz and sz on Mac

There are a mess of troubles in sending and receiving files from my macbook to dev server, since I had no permission to excute command scp on dev server. Here is a lightweight, quick, and convenience tools which related with ssh, called lrzsz. lrzsz is a unix communication package providing the XMODEM, YMODEM, ZMODEM file transefer protocol which usually has been already installed in most of servers.

Prerequisites

iTerm2 is necessary. [Here][] is the official website.

linux查看httpd进程数

ps -ef | grep httpd | wc -l

查看Apache的并发请求数及其TCP连接状态

netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'

	#!/usr/bin/python2
	# -- coding=gbk --
	#
	# The original version can be found at https://www.programmersought.com/article/60554969634/.
	# The differences from original version are as follows:
	# * added shbang line so that we can know this is the python 2 script.
	# * added SUITE_NAMES column.
	#
	import glob
	import sys

	package com.company.retrofit2.annotation;

	import java.lang.annotation.Documented;
	import java.lang.annotation.Retention;
	import java.lang.annotation.Target;

	import static java.lang.annotation.ElementType.METHOD;
	import static java.lang.annotation.RetentionPolicy.RUNTIME;

	/**

	#!/usr/bin/python
	# largely taken from python examples
	# http://docs.python.org/library/email-examples.html

	import os
	import sys

	from email import encoders
	from email.mime.base import MIMEBase
	from email.mime.multipart import MIMEMultipart

	git rebase --interactive HEAD~2

	# we are going to squash c into b
	pick b76d157 b
	pick a931ac7 c

	# squash c into b
	pick b76d157 b
	s a931ac7 c

	# Add Neutron security groups for ping and ssh

	neutron security-group-rule-create \
	--protocol icmp \
	--direction ingress \
	--remote-ip-prefix 0.0.0.0/0 \
	default

	neutron security-group-rule-create \
	--protocol tcp \

	# install deps
	yum install gcc kernel-devel make ncurses-devel

	# DOWNLOAD SOURCES FOR LIBEVENT AND MAKE AND INSTALL
	wget https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz
	tar -xvzf libevent-2.0.21-stable.tar.gz
	cd libevent-2.0.21-stable
	./configure --prefix=/usr/local
	make
	sudo make install