Linux - 随笔分类 - eshizhan

聊聊TCP Keepalive、Netty和Docker

摘要：聊聊TCP Keepalive、Netty和Docker 本文主要阐述TCP Keepalive和对应的内核参数，及其在Netty，Docker中的实现。简单总结了工作中遇到的问题，与大家共勉。起因之所以研究TCP Keepalive机制，主要是由于在项目中涉及TCP长连接。服务端接收客户端请求阅读全文

posted @ 2021-08-06 21:21 eshizhan 阅读(1881) 评论(0) 推荐(0)

How to get the free disk space in PostgreSQL (PostgreSQL获取磁盘空间)

摘要：Get the current free disk space in PostgreSQL PostgreSQL获取磁盘空间 "from eshizhan" Here has a simple way to get free disk space without any extended langu 阅读全文

posted @ 2019-09-01 22:27 eshizhan 阅读(568) 评论(0) 推荐(0)

Debian/Ubuntu pip default install to $HOME/.local

摘要：pip default install to $HOME/.local on Debian/Ubuntu After pip 8.1.1 2 on Debian or Ubuntu you can pip install package without root user, which defaul 阅读全文

posted @ 2017-10-05 11:51 eshizhan 阅读(429) 评论(0) 推荐(0)

SVN: bdb: BDB1538 Program version 5.3 doesn't match environment version 4.7

摘要：Q:bdb: BDB1538 Program version 5.3 doesn't match environment version 4.7A:svnadmin recover /var/whatever/xbt[via] 阅读全文

posted @ 2015-11-23 20:06 eshizhan 阅读(835) 评论(0) 推荐(0)

OpenSSL Command-Line HOWTO

摘要：OpenSSL Command-Line HOWTOThe openssl application that ships with the OpenSSL libraries can perform a wide range of crypto operations. This HOWTO prov... 阅读全文

posted @ 2015-11-23 14:03 eshizhan 阅读(4358) 评论(0) 推荐(0)

树莓派保卫战--防止SSH暴力破解

摘要：自己用树莓派搭建了个小server，用了很长时间了，最近查看log发现有很多SSH登陆失败，瞬间心就碎了，一直没关心小派的安全问题，怪我咯！马上行动，首先研究下log：/var/log/auth.log记录了SSH登陆等权限安全信息，如何知道自己被攻击了呢？# grep sshd.\*Fai... 阅读全文

posted @ 2015-11-18 17:50 eshizhan 阅读(2572) 评论(2) 推荐(0)

Show Linux Package Sort By Size

摘要：ArchLinux:~ $ pacsyscleanDebian:~ $ sudo apt-get install debian-goodies~ $ dpigs -H 阅读全文

posted @ 2014-07-26 19:20 eshizhan 阅读(298) 评论(0) 推荐(0)

Linux监控工具 (Linux Monitor Tools)

摘要：最近发现几个好用的工具，顺便总结下。 Zabbix和Nagios属于重量级，企业级Service procps-ng: top, free, ps, pgrep, vmstat ... sysstat: iostat, sar ... lsof, iftop, mtr, htop nmon：从AIX 阅读全文

posted @ 2014-07-26 19:17 eshizhan 阅读(8232) 评论(0) 推荐(1)

The list of pre-build cross-compiler

摘要：Recently, I need compile toybox and busybox for my router.This is a list of cross-compiler for MIPS uClibc by google. http://www.uclibc.org/downloads/binaries/0.9.30.1/ http://landley.net/aboriginal/downloads/binaries/ https://github.com/KrabbyPatty/rtl819x-toolchain 阅读全文

posted @ 2014-04-06 18:29 eshizhan 阅读(265) 评论(0) 推荐(0)

Extended VM Disk In VirtualBox or VMware (虚拟机磁盘扩容)

摘要：First, Clean VM all snapshot, and poweroff your VM.vmdk:vmware-vdiskmanager -x 16GB myDisk.vmdkvdi:VBoxManage modifyhd --resize And now, go to guest ... 阅读全文

posted @ 2014-04-06 18:00 eshizhan 阅读(1017) 评论(0) 推荐(0)

一张图了解SSH端口转发

摘要：ssh和端口转发什么的，我就不想废话了，主要是ssh的命令格式真心不太好理解。网上也搜过相关文章，参差不齐。其实自己也理解怎么用，但我自己也表达不好。这几日无意碰到篇好文章，有图有真相，清楚的很，还有PDF，CC的，果断转了。感谢Dirk Loss！[via]主要是Local Port Forwarding和Remote Port Forwarding。阅读全文

posted @ 2014-03-29 15:57 eshizhan 阅读(868) 评论(0) 推荐(0)

git+gitolite+cgit+apache on Ubuntu

摘要：git+gitolite+cgit+apache on UbuntuJust record, do *NOT* copy-paste.git+gitolitesudo apt-get install git openssh-serversudo adduser gitsu - gitgit clon... 阅读全文

posted @ 2013-10-23 11:32 eshizhan 阅读(3010) 评论(0) 推荐(0)

wubi arguments

摘要：wubi arguments:form here or here. I coundn't found out wubi src address, you can tell me, if you know. ;)parser.add_option("--quiet", action="store_const", const="quiet", dest="verbosity", help="run in quiet mode, only critical error messages are disp 阅读全文

posted @ 2013-04-01 16:47 eshizhan 阅读(264) 评论(0) 推荐(0)

screen couldn't read /etc/profile.d/*

摘要：EDIT:~/.screenrcshell -$SHELL 阅读全文

posted @ 2013-03-06 09:39 eshizhan 阅读(299) 评论(0) 推荐(0)

Hg-Git on Debian problem

摘要：Q:Installing:sudo apt-get install mercurial-gitref: http://hg-git.github.com/EDIT:~/.hgrc[extensions]hgext.bookmarks =hggit = running:hg clone git://example.com/eg.gitabort: repository git://example.com/eg.git not found!What's happen?googling...a issue of 2 years ago:ref: https://github.com/scha 阅读全文

posted @ 2013-02-22 00:18 eshizhan 阅读(402) 评论(0) 推荐(0)

Tmux Show CPU Usage And Memory Usage

摘要：EDIT:~/.tmux.confset -g status-interval 2set -g status-right "#(vmstat -SM 1 2 | awk 'END {print \"cpu:\"100-$15\"%\" \" mem:\"512-$4-$5-$6\"M\"}')#[default] %R""512" replace your total memory, e.g. 1024, 2048. get by "free -m& 阅读全文

posted @ 2013-02-20 09:29 eshizhan 阅读(944) 评论(0) 推荐(0)

Linux命令行之农历

摘要：Chinese Calendar可输出EPS, PDF, PNG, JPEG格式，官网也算是个Online Tools，可直接生成下载各种格式的农历日历。下面是程序命令行参考:ccal version 2.5.3: Displays Chinese calendar (Gregorian with Chinese dates).Usage: ccal [-t|-p|-x] [-g|-b] [-u] [[<month>] <year>]. -t: Generates HTML table output. -p: Generates encapsulated PostScr 阅读全文

posted @ 2013-01-17 23:03 eshizhan 阅读(1407) 评论(0) 推荐(1)

OpenResty -- Powered By Nginx & Lua

摘要：OpenResty是个有意思的项目，和Tengine有着很深的血缘关系。Nginx的兴起引起无数关注，较简单的接口造就了大量第三方modules，以至于利用这些modules可以直接开发应用。OpenResty就是在Nginx上做了一些优化，并加入了许多的第三方modules的一个项目，由大牛agentzh维护着。项目目的实际上是借助Nginx卓越的性能提升应用的性能，又由于使用Lua这类动态胶合语言，又使开发效率得到大大提升，可谓是鱼和熊掌可兼得之。成熟度上taobao的数据魔法使用这类技术实现的。如果你是个在浪潮之巅的小白鼠，建议尝试。来两个links：Nginx与Lua由Lua 粘合的N 阅读全文

posted @ 2013-01-17 22:51 eshizhan 阅读(1382) 评论(0) 推荐(0)

利用pscp建立“右键发送到”菜单

摘要：利用PuTTY中的pscp可以向主机传文件，但每次都要敲命令和密码很麻烦。今天突然想到一个方法，百试不爽。在PuTTY目录下建立toLinux.bat批处理（改成你的自己的配置）：@echo offecho pscp -P 2222 -pw ******** %* eshizhan@localhost:downloadpausepscp -P 2222 -pw yourpassword %* eshizhan@localhost:download在C:\Users\eshizhan\AppData\Roaming\Microsoft\Windows\SendTo下建立指向toLinux.bat 阅读全文

posted @ 2012-10-24 12:09 eshizhan 阅读(259) 评论(0) 推荐(0)

分形图形神器XaoS

摘要：一看图边熟悉了吧，XaoS是生成分形图形的神器，帮助菜单下还有演示功能，有一段对分形图形的简介。详细描述：http://en.wikipedia.org/wiki/Mandelbrot_setP.S.有机会自己用Python实现下阅读全文

posted @ 2012-10-09 10:35 eshizhan 阅读(714) 评论(0) 推荐(0)

随笔分类 - Linux