Linux

Linux Task Scheduler crontab format: minute hour day month weekday command value range: (0-59) (0-24) (1-31) (1-12) (0-6) the preceding five corresponding systems provide several special symbols to make time representation flexible: *,/, &, and-. *

BackTrack5 (BT5) hard disk installation of BackTrack5 hard disk installation in two steps: Step 1: BT5 hard disk boot, Step 2: BT5 hard disk installation. BT5: BT5R2-GNOME-32.iso ftp://mirror.switch.ch/mirror/backtrack/BT5R2-GNOME-32.iso (2,588 MB,

Ubuntu, ThinkPad E420 Wifi cannot networking problems // print system information cxl @ cxl-ThinkPad-E420 :~ $ Cat/etc/lsb-release; uname-aDISTRIB_ID = Ubuntu nvidistrib_release = 11.10DISTRIB _ CODENAME = "Ubuntu 11.10" Linux cxl-ThinkPad-E420 3.0.0

Common linux commands for server configuration zip 1. unzip to the specified directory unzip monitor-0.8.2.zip-d monitor 2. zip-r monitor.zip monitor/www.2cto.com 3. test the compressed package [root @ localhost cactiplugins] # unzip-t monitor.zip 4.

Install gevent Gevent in Ubuntu is a greenlet-based Python concurrent framework, which uses the mongogreenlet and libevent libraries. Therefore, install greenlet and libevent before installing Gevent. The installation of libevent will not be

Vim needs to add new content at the beginning and end of each line: Find a batch of html files from the current directory and use an Html file to express their addresses with hyperlink,This allows the browser to access other pages only through this

Centos Upgrade php mysql this evening to help students upgrade his Centos server php and mysql, google for a long time finally done, record: Run Command: wget http://syslogserver.googlecode.com/files/epel-release-5-3.noarch.rpm wget

Crontab timer (including shell execution) Today I saw this good tutorial on the Internet, which is about CronTab and clearly written. So I will repost it and share it with you. The following files are restricted for users to use crontab:/etc/cron.

In Linux, configure, pkg-config, and pkg_config_path refer to these three terms. I believe that Linux users will not be unfamiliar with them. The importance is self-evident. Next I will summarize the relationship between them. Configure is generally

In the color script of the linux shell script, echo Displays the content with color, and echo Displays the color. The following-e format is required: echo-e "\ 033 [background color; text color m string \ 033 [0 m "Example: echo-e" \ 033 [41; 36 m

Linux sar usage and installation: download and install wget logs. Common Format of sar command line: sar [options] [-A] [-o file] t [n] in command line, the n and t parameters are combined to define the sampling interval and number of times. t

Super convenient linux Command Manual/** Topic Author: winsyk* Source: Evil baboons [EST];* From chinaunix* If any reprint is available, indicate the source.* You are welcome to add,*/NOCategoryPS1Command nameUsage and ParametersFunction

You can directly hook the get_tcp4_sock function in inline, but you only need to implement the get_tcp4_sock function again, and then filter it. The Code is as follows: # Include # Include # Include # Include # Include # Include # Include # Include #

Original article: Incident Response Tools For Unix, Part One: System ToolsBy Holt SorensonLast updated March 27,200 3 Translation: RefdomSource: http://www.securityfocus.com/infocus/16792003-10-20 (Note: This is a basic emergency tool introduction

  Fail2ban can use the built-in firewall, such as Linux iptables or FreeBSD ipfw, and can be used with tcpd. In addition, it can be extended to other network services, currently, I mainly use monitoring port 22 and/var/log/secure logs, mainly for

I. Steps for upgrading AS4 1. We recommend that you use the source code Installation Method to download the installation package. Cd/root Wget-c "ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-5.0p1.tar.gz" Tar zxvf

  Sometimes the free third-level domain name is not available, and the bound top-level domain name can be. The solution is as follows: Take mmhaida as an Example First, find the directory cd ~ corresponding to mmhaida ~ Mmhaida

The design blueprint for Maximum Availability Architecture (PAA) is based on proven Oracle High Availability Technology, it provides recommendations for optimal methods, allowing you to maximize system availability with simple configuration. More

  To view details about the CPU, memory, hard disk, and optical drive, run the following command. [Root @ oragri ~] # Dmesg | more Note: dmesg displays the startup information when the system loads the kernel and displays all your hardware. You

  Apc installed the latest APC-3.0.18.tgz, decompress, and enter the Directory Apc http://pecl.php.net/package/APC. /Usr/local/php/bin/phpize (production of configure files) ./Configure -- enable-apc-mmap -- with-php-config