Linux

In some cases, it is better to summarize a document to configure the java environment for installing JDK in linux !!! 1. jdk ..... (Most of them end with. bin) 2. the directory to which you want to install jdk is put (usually your own directory or/

Sysv-rc-confSysv-rc-conf is a powerful Service Management Program. The comments of the masses are that sysv-rc-conf is better than chkconfig. Background1. Ubuntu running levelThe Linux system runs on a specified running level at any time, and

1. log on to any server Ssh 192.168.21.90 2. Execute the command Ssh-keygen-t rsa Java code[Root @ fedora14ip90 ~] # Ssh-keygen-t rsaGenerating public/private rsa key pair.Enter file in which to save the key (/root/. ssh/id_rsa): twoServerEnter

Linux comes with two commands that support basic mathematical computing. If you do not want to use commands, you can use python or otherTwo commands are easy to remember. One is that dc is actually an expression evaluate stack operation, and the

Linux Resource Sharing samba configuration serverSamba. i386Samba-common.i386[Root @ mail Server] # yum install samba-3.0.33-3.28.el5.i386.rpm[Root @ mail ~] # Vi/etc/samba/smb. conf74 workgroup = MYGROUP // Working Group75 server string = Samba

1. Create the Backup Directory oradataback, level 2 Directory archback (archback), rmanscripts (backup script ),Create the rmanlevel0.sh rmanlevel1.sh rmanlevel2.sh file under rmanscripts:Mkdir oradataback-- Home/oracle/app/oradatabackChmod 775

  I did not expect the installation process to be so tortuous that the download during gem installation is often unsuccessful, so I had to handle it. download the gem file and install it locally. In addition, radmine 1.2.1 is also very picky about

You can save space and time by generating a gzip file. You can add the-9 parameter to gzip. If the bs = 1M parameter is used to determine whether the data will be affected, it is to be evaluated. This time, I will not be greedy for it, but it will

You can add and hide permissions to files with special requirements (such as server logs. These hidden permissions include: Append only (a), compressed (c), no dump (d), immutable (I), data journalling (j), secure deletion (s ), no tail-merging (t),

ROR editor for deep LINUX Reference: http://www.bkjia.com/ OS /201110/107773.htmlVim home: http://www.vim.org/index.php 1. Install the nerdtree. Plug-in vimGit clone git: // github.com/scrooloose/nerdtree.gitRake2. Use:: NERDTree # enableExit by

Q1. What is system call? Why should we introduce system calls?A: 1) The operating system provides a set of interfaces for user-State processes to interact with hardware devices (such as CPUs, disks, and printers). These interfaces make the program

1. Run the following command to view the kernel version:Cat/proc/version Uname- Uname-rcat/etc/issue Man uname 2. view the linux version: Copy as follows: 1) log on to the server and execute lsb_release-a to list all version information, for example:

Recently, many shoes on the Internet asked me how to implement a vsftpd VM. I couldn't find a bunch of materials on the Internet. In fact, the vsftpd VM is easy to implement. Let me give a simple example. The testing machine has two ip addresses: 19

Ctrl + G: Get online help Ctrl + X: exit the naon software. If the file has been modified, the system prompts whether to save the file. Ctrl + O: Save the file. If you have the permission, you can save the file. Ctrl + R: read data from other

Sed '/0 112.94.29.153 TCP_HIT: DIRECT/{N; s/. */test line/}' test. log# Merge "0 112.94.29.153 TCP_HIT: DIRECT" with 4 N, and then replace # Original content58.255.96.166 TCP_MISS: DIRECT2: 304 222.248.107.243 TCP_IMS_HIT: NONE3:304 27.43.228.148

#! /Bin/bashSudo apt-get-y install zlib1g-dev libssl-dev libreadline5-dev libyaml-dev build-essential bison checkinstallCd/tmpWget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p290.tar.gzTar xvzf ruby-1.9.2-p290.tar.gzCd ruby-1.9.2-p290 www.2cto.

  RPM is short for RedHat Package Manager. Although it is called RedHat Package management tool, RPM is used in many linux branch versions. The RPM file-based software installation method is an executable file-based software installation method.

  Installing the samba3.6 source code package under OEL6 took nearly two days to complete the installation. I am very depressed. When I wrote this blog, samba3.6 install problem was very small on the internet. Only this URL is available. Http://blog.

Today, there is a simple demand for a batch of PNG image files. The image name is xxx@2x.png, where xxx is a variable part. Now, rename all xxx@2x.png images to xxx.png and change the size to 50%. This involves two problems: Batch renaming and batch

  Today, the teacher told us to write commands in the linux environment, mainly about cd, ls and cp Common commands 1. Understand the directory information after linux Installation All lowercase letters (case sensitive) Ls --- list (Display) [Root @