Tail Var Log

Linux, if there is a problem, then the best way to row is to view the log, but for performance, some applications, the lack of savings did not open the error log, we need to enable. APACHE # tail&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; /var/log/apache2/error.log &nbs ...

The opposite of the head command is the tail command. With the tail command, you can view the 10 lines at the end of the file. This helps you view the last ten lines of the log file to read important system messages. You can also use tail to observe the process of updating log files. With the-f option, tail automatically displays new messages from the open file to the screen in real time. For example, to instantly observe/var/log/messages changes, type the following command at the shell prompt as root: tail ...

There are a number of very useful tools available for Linux administrators to choose from. Here, I'm just enumerating 5 of the tools that Linux administrators need to use in their day-to-day operations. I think that the most powerful tools may not be appropriate for your use, and there are certain tools I forgot to count them in, and if so, I implore you to write down the tools I didn't include in the comments. In addition, the tools mentioned in this article are only optional, not everyone must need them, and the tools that are not mentioned are not meant to be used by Linux administrators, like s ...

Hypertable on HDFS (Hadoop) Installation Hadoop-hdfs Installation Guide Process &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; 4.2. hypertable on HDFS Create working directory $ Hadoop fs-mkdir/hypertable$ Hadoop FS ...

If your system crashes every random time, do a memory test before filling out a bug report or support request. If your system crashes when a particular action occurs, and every time it is similar (reproducible), try the following steps: &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp If possible, try to reproduce the system crash in the text console (CONTROL+ALT+F1) ...

Due to the release of Ubuntu 9.10, SRT Ubuntu source of the latest traffic is very bad ~ yesterday's average traffic is 9.6mb/s, calculate the day has 800GB ... More abominable is, an analysis of the log, there is a "http://www.aliyun.com/zixun/aggregation/29851.html" >mozilla/4.0 (compatible; MSIE 6.0; Windows N ...

From the Eucalyptus system website to see a news, learned that eucalyptus and rpath cooperation. And Rpath is a company that provides system software package installation. The author contacted a lot of software systems are through the rpath way of packaging. Rpath can make the Linux operating system and related software together into one installation package. Installation packages can be based on a virtual machine (such as vmware/esx) or a bare-metal installation package. Basically the user simply needs to confirm, can ...

At present Iredmail has not integrated fetchmail function, if you need to use Fetchmail, you can integrate installation fetchmail&http://www.aliyun.com/zixun/aggregation/ 37954.html ">nbsp;apt-get Install Fetchmail set fetchmail daemon Run Modify/etc/default/f ...