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dos2unix替代

#以下2种都可以：sed -e 's/.$//g' oldfile > newfilesed 's/^M//' oldfile > newfile #注意 ^M = Ctrl + v,Ctrl + m 命令组合打印出来的字符cat oldfile | tr -d "\r" > newfile

sed

原创 2015-08-26 14:13:53 857 阅读

vmstat　监控工具

root@ubuntu:~# vmstat 2 procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so &n

vmstat

原创 2015-08-26 14:05:09 497 阅读

python文件头

#coding=utf-8#-*- coding: utf-8 -*-对于python解释器来说，这两种写法一样。但是对于编辑器来讲，可能会出现识别问题。以下是从ｐｙｔｈｏｎ官网摘录Defining the Encoding Python will default to ASCII as st

python

原创 2015-08-26 11:26:02 938 阅读

run fastcgi python

kill -9 `cat /tmp/django.pid`echo 'restart django....'python ./manage.py runfcgi --settings=lutaf.settings_r maxchildren=8 maxspare=3 minspare=1 method=prefork pidfile=/tmp/django.pid host

python

原创 2015-08-26 11:18:11 251 阅读

run fastcgi python

kill -9 `cat /tmp/django.pid`echo 'restart django....'python ./manage.py runfcgi --settings=lutaf.settings_r maxchildren=8 maxspare=3 minspare=1 method=prefork pidfile=/tmp/django.pid host

python

原创 2015-08-26 10:18:20 384 阅读

python+django+fastcgi+nginx

安装依赖安装 flup:$ sudo pip install flup安装 nginx$ sudo apt-get install nginx设置 django本例中项目名为 bbs:$ pwd/var/www/bbs$ tree . -d.|-- bb &n

Django

原创 2015-08-26 10:08:16 663 阅读

Using up all the the free Inodes

Today my mind was stucked with a question. How the Linux system will behave when all the number of free inodes in a file system has been filled up , and there are no free inodes ?.For this I fir

inode

原创 2015-08-25 10:28:47 777 阅读

Troubleshooting: Cannot log in as root with su command

I was seeing something strange behavior on one of my server.I can log in as 'root' user using ssh but when I try to login as 'root' user using su - , it fails with " incorrect password" error. $

incorrect password

原创 2015-08-25 10:19:33 397 阅读

redhat install kvm

1. Install the following packages for setting up guest hosts using KVM virtualization .

kvm

原创 2015-08-25 10:17:01 299 阅读

Detecting a Hacker Attack

I work as a system administrator for a company monitoring around 20 servers running open source applications . One of the application we are using is Jboss . The Jboss version we are running is an old

Attack

原创 2015-08-25 09:59:52 761 阅读

ｍｙｓｑｌ　ｉｄｅｎｔｉｔｙ　ｒｏｏｔ　ｐａｓｓｗｏｒｄ

Step 1 . Stop MySQL database using the following command # service mysqld stop

mysql identify root

原创 2015-08-25 09:52:44 454 阅读

ｐｓｓｈ　ｌｉｎｕｘ

About PSSHIf we are managing a large number of servers , there are times when we need to execute the same command on all the servers. Sometimes need to copy a file to multiple hosts. For these t

ｐｓｓｈ

原创 2015-08-25 09:48:47 363 阅读

free command

Linux uses it's memory in a very efficient way . Here I am not going to write on memory management in Linux , but would try to understand how to view the memory usage in a Linux box. Linux will always

free command

原创 2015-08-25 09:39:47 707 阅读

释放ｌｉｎｕｘ　ｃａｃｈｅ

The following is the state of memory utilization in my desktop.$ free -m total &n

free linux cache

原创 2015-08-25 09:35:22 649 阅读

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