haizhi_zhangxt-CSDN博客

原创 linux查看主板信息

lspci(查看主板信息)：00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02)00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]00:01.1 IDE interface: Intel C

2017-06-27 10:20:23 1999

原创 linux 查看网卡流量方法

1.nload（非常好用）2.ifstat（比较传统）3.dstat（别忘了我）4.iftop(需要su权限)5.iptraf(需要su权限)

2017-04-07 14:34:36 333

原创 cpp开源代码

记录一下自己的cpp开源代码acl-master curl __MACOSX tencent-wechat yar-masteraether empyrean muduo-master tk8.5.19android

2017-03-24 10:17:04 975

原创 linux java 服务调试命令

随着流量增大很多服务会出现问题，以下一些排查方式可以做为参考，虽然都是很简单的命令但当服务出问题的时候可以快速的定位一．查看系统负载 cpu mem io load average ... 这些信息都可以通过 top, iostat, ifstat, jstat, xxstat... 命令来查看二．查看服务进程情况1.进程cpu占用情况：§ 按cpu占用率排序:ps Hh

2017-03-22 13:57:05 872

原创查看网络连接状况

1. traceroute gateway.push.apple.com2. dig +short gateway.push.apple.com3. for x in `seq 1 100`;do nc -v -w 2 gateway.push.apple.com -z 2195;done4. mtr -c 10 -n --report gateway.push.apple.com

2017-02-22 20:04:12 258

原创 max fd size

more /proc/sys/fs/file-max

2016-08-09 09:45:52 395

原创 bakdown.sh

#!/bin/bashBAKUP_DIR="/home/zhangxiaotong/work/push_bak"function bakdown(){ curdir=`pwd` if [ ! -e $BAKUP_DIR ]; then echo "bakup directory is not exist!" ret

2016-08-06 13:17:40 166

原创 bakup.sh

#!/bin/bashBAKUP_DIR="/home/zhangxiaotong/work/push_bak"function bakup(){ #得到bakup目录 bakdir=$1 curdir=`pwd` if [ -z $bakdir ]; then bakdir=`basename $curdir`

2016-08-06 13:16:25 262

原创 linux cpu/memory检测

1.top(整体cpu/mem)快捷键c：切换显示命令名称和完整命令行；top - 09:44:56[当前系统时间],16 days[系统已经运行了16天],Cpu(s): 99.8%us[用户空间占用CPU百分比],0.1%sy[内核空间占用CPU百分比],0.2%id[空闲CPU百分比],0.0%wa[等待输入输出的CPU时间百分比],

2016-07-23 14:32:32 383 1

原创记录iptables

# sample configuration for iptables service # you can edit this manually or use system-config-firewall# please do not ask us to add additional ports/services to this default configuration*filter

2016-06-16 09:39:26 173

原创 iptable记录

*filter:INPUT ACCEPT [0:0]:FORWARD ACCEPT [0:0]:OUTPUT ACCEPT [31651:96097871]-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT-A INPUT -p tcp -m state --state NEW -m tcp --dport 60158

2016-06-16 09:37:19 199

原创记录一下自己bashrc

# .bashrc# Source global definitionsif [ -f /etc/bashrc ]; then . /etc/bashrcfi# Uncomment the following line if you don't like systemctl's auto-paging feature:# export SYSTEMD_

2016-06-15 11:28:16 540

43B4A73YYJ-eyJsaWNlbnNlSWQiOiI0M0I0QTczWVlKIiwibGljZW5zZWVOYW1lIjoibGFuIHl1IiwiYXNzaWduZWVOYW1lIjoiIiwiYXNzaWduZWVFbWFpbCI6IiIsImxpY2Vuc2VSZXN0cmljdGlvbiI6IkZvciBlZHVjYXRpb25hbCB1c2Ugb25seSIsImNoZWNrQ

2016-06-07 20:52:39 454

原创重新启动gnome-shell

centos 7默认安装的gnome-shell存在内存泄漏，需要用一段时间重新启动一下：alt+F2弹出界面输入r重新启动gnome-shell

2016-06-01 10:31:39 7008

原创查看linux版本

1. uname -a2.more /etc/issue3.more /etc/redhat-release4.lsb_release -a

2016-04-06 18:11:55 148

haizhi_zhangxt的博客