Linux

ReiserFS File System in Linux is a very good file system. It is also one of the earliest log file systems used in Linux. The developers of ReiserFS are very ambitious, and the entire file system is completely designed from scratch. At present,

For details about the find command of Linux commands, the find command is a common command used to search for files in UNIX file systems. It can be used to search for many conditions.Let's take a look at some find command instances. Syntax: find

Add sqlite3 development environment for lazarus under ubuntu 1 run in terminal: sudo apt-get install sqlite3 libsqlite3-dev 2 Copy files in/usr/lib/lazarus/0.9.30.4/components/sqlite/directoryTo the/usr/lib/lazarus/0.9.30.4/ide/directory.Note: you

Fedora 14 root cannot log on to the fedora linux system and enter the root, password, and fault identification. this is because the root Super User is disabled by default in fedora linux. make the following changes. 1. enter su www.2cto.com 2. enter

The call relationship between Linux memory release functions is shown in. The result is the _ free_pages () function. The execution workflow is shown in.The following code shows the function: [cpp] void _ free_pages (struct page * page, unsigned int

Ubuntu 12.04 root User Logon method ubuntu 12.04 does not allow root login by default. Only common users and guest logon can be seen in the login window.We need to make some modifications as follows: Run: sudo gedit/etc/lightdm. conf to add

1. Disable selinux Security Enhanced Linux (SELinux, Security-Enhanced Linux) is a mandatory access control implementation. View selinux status: getenforce SELinux supports three modes: • enforcing: Forced mode, which indicates that SELinux is in

Previously, the hadoop environment was set up in a windows VPN (VPN connection is because it can connect to the network of the instructor's lab and use the network environment of the lab to allocate virtual machines to the instructor ). No VPN

Install gem on Ubuntu: Sudo apt-get install rubygems This is okay, but the gem version in the apt-get library is too low to install rails.Trial gem self-Upgrade Gem update -- system Tip: www.2cto.comERROR: While executing gem... (RuntimeError)

Linux upgrade note _ ATI closed source video card driver solved fever problem for several weeks did not write articles, these weeks tossing Linux, from Debian 6 Squeeze stable source upgrade to testing source causes system instability, re-install

In linux, the crontab switch value is crontab-u username-e. the root user executes crontab-u username-e. // set the scheduled task for username with Hu.In the pop-up editing box, enter a scheduled task, for example, 0 */2 *** echo "Have a break now

Vim: edit the mobile command 1. move cursor: h: left l: Right k: Top j: bottom 2. delete a row: dd 3. delete A character: x www.2cto.com 4. delete A linefeed: J 5. create a new row under the cursor and enter the insert mode: o (lowercase letter o) 6.

Linux Top Command analysis Linux Top interfaceLinux:The content displayed in the first line is the same as that in the uptime command. [l] can display and hide this area: top is meaningless, it's just a name, but at 01:47:56 the current system time

From min & max, let's have a look at linux design. I admit it's my title. However, I still recommend that you continue reading the data for at most one minute.Of course, if you can waste more than ten minutes, my goal will be achieved, and you will

Ngxin modify configuration restart 1 modify nginx. conf ps-ef | grep ngxin kill-QUIT master process number/usr/local/nginx/sbin/nginx-s reload nginx: [error] open () "/usr/local/nginx/logs/nginx. use/usr/local/nginx/sbin/nginx-c/usr/local/nginx/conf/

Linux File System file descriptor and read/write pointer linux file descriptor read/write pointer parallel read file is a simple illustration of Linux VFS system each process in the process control block (PCB) A file descriptor table is saved. The

Author: Zheng yanxing Source: http://www.coolersky.com/ Automatically log on to Linux at startup and run the XWindow application automatically. It has a special background, such as the monitoring system based on the Linux platform. authentication is

Source: Zhongguancun onlineBasic operation commands:--------------------------------------------------------------------------------------------------------------------------------------------Ls # display the current directory file list by defaultLs-

Preface:I have not written any articles for a long time. Recently, I have received many letters from my friends about configuration optimization and some new security issues. I would like to discuss these issues with you briefly, if there is any

If the problem persists, the problem is resolved by 80%. For the core of the operating system, if there is a problem to reproduce the method, it can be said that it has solved 99%. The common problem is that the system runs normally for a period of