Linux

Anonymous Login with DBA[Email protected] ~]$ Sqlplus/as SYSDBASql*plus:release 11.2.0.1.0 Production on Wed 8 16:39:53 2013Copyright (c) 1982, Oracle. All rights reserved.Connected to:Oracle Database 11g Enterprise Edition Release

The purpose of the cat command is to connect files or standard input and print.1. Display the entire file at once: Cat filename2. Create a file from the keyboard: cat > FileName can only create new files and cannot edit existing files.3. Merge

FEDORA20, installing yum install Ncurses-develCompile time:-lncursesHeader files: #include Reference: Man ncurses \linux Program designOne, the screen 1, beginning with INITSCR (), to Endwin (); endWINDOW *initscr (void); Initializationint

Introduced/ dev/shm/ is a device that uses the Tmpfs file system, which is actually a special file system. the default size in Redhat is half of physical memory, so that time is not mkfs formatted. TMPFS is a memory-based virtual file system on

Brief introductionAwk is a powerful text analysis tool, with the search for grep and the editing of SED, which is especially powerful when it comes to analyzing data and generating reports. To put it simply, awk reads the file line-by-row, using

"Unix/linux Network log analysis and Traffic monitoring" experimental environment download650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/53/C2/wKiom1Ru9IygmzgRAAQuIqyf7TA962.jpg "title=" Unix-linux123.jpg "alt="

The Setup command is a graphical gadget used under Linux to configure network, firewall, system services, and other settings. It's easy to use, but the centos\redhat minimal installation found the Setup command tool useless.Next, we'll show you how

#!/bin/bashCase "$" inStartecho "Starting Yum_rsync daemon ..."/data/script/yum_rsync.sh;;Stopecho "Stopping Yum_rsync daemon ..."Killall yum_rsync.shKillall rsync;;Restartecho "Restarting Yum_rsync daemon ..."$ stop$ start;;StatusPs-ef | grep rsync;

The process communication methods under Linux are basically inherited from the process communication methods on the UNIX platform. And the two main at& that make a major contribution to the development of UnixT's Bell Labs and BSD (UC Berkeley's

Here is a summary of some of the recent learning file permissions and directory configurationBlog Park-Bang Bang sauce Good * * *One of the best places in Linux is his multi-tasking environment. And in order to let each user have more confidential

You can control two commands inside the loop: The break command continue commandBreak commandThe break command is a simple way to jump out of a loop during a process. You can use the break command to jump out of any type of loop, including while

Apache Hadoop Ecosystem installation package: http://archive.apache.org/dist/Software Installation directory: ~/appjdk:jdk-7u45-linux-x64.rpmhadoop:hadoop-2.5. 1-src. Tar . Gzmaven:apache-maven-3.0. 5-bin. Zip protobuf:protobuf-2.5. 0. tar. gz1.

 To reset the size of the virtual machine: Modify the expanded disk size 3 Step three4 Start Linux5 Use fdisk–l command to view disk information6 open a terminal window and view parted CommandMans partedinput parted

Common Linux commands (14) and common linux commands The tail command writes the file to the standard output from the specified point. you can use the-f option of the tail command to conveniently check the changing log file. The tail content of the

Common Linux commands (9) and common linux commands The cat command is used to connect files or standard input and print. This command is often used to display the file content, connect several files, or read and display the content from the

Modify login host information in linux and host modification in linux It usually manages more than 130 Linux physical hosts, so it is difficult to deploy applications to find out the IP information of each host! Therefore, you must plan at the

After OS X Yosemite is upgraded: various development environments are fixed. This blog post was originally published on my personal blog "Jerry's Paradise". Finally, I couldn't help upgrading, and the motive force behind my upgrade was

Shell script downloads resources in batches and retains the path. shell downloads resources.Sample resource list For example,

Install Java 8 and Eclipse 14.04 on Ubuntu 4.4 LTS Full illustration of Ubuntu 14.04 LTS installation of Java 8 and Eclipse 4.4: 1. Link for installing Java 8: 2. Download eclipsehttp: // www.eclipse.org/downloads/ Just started with Eclipse IDE for

How to Use the Nagios remote execution plug-in (NRPE) to detect server memory usage In the previous tutorial (), we have seen how to set the Nagios remote execution plug-in (NRPE) in Nagios settings ). However, the scripts and plug-ins that monitor