Linux

BackTrack5 has been released for several days. It is the first time to download the Gnome iso and install it. It is based on Ubuntu10.04 and has been using Ubuntu10.04, so I decided to use it directly for desktop use. Because the official

Because of Biji, I got a computer in the research room.After a day and a half, I finally installed the win7 + Ubuntu11.10 dual system, and the drivers were OK.First, partition:My distribution is the 50 GB space for each system, and a 5 GB space is

[1]. Install Nginx 1. Add a user who cannot log on and does not have a home directory: 1 # useradd www-M-s/sbin/nologin 2. Necessary components # Wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.13.zip# Unzip pcre-8.13.zip# Cd pcre-8

1. Comparison between Linux and other Unix-like kernels: Single-block kernel: it consists of several logically independent components. In a single-block structure, most commercial Unix variants of data are also single-block; Compiled and statically

Author: Wally YuInstall psycopg2 on windows and Linux. Windows: 1. Go to the official website to download the source code Http://www.initd.org/psycopg/ 2. Extract 3. Run python setup. py install and report an error. Solution: the windows

In terms of file systems, Linux can be regarded as the "Swiss Army Knife" in the operating system ". Linux supports many file systems, from log file systems to cluster file systems and encrypted file systems. What is "File System "? A file system

Nginx is not stored in the date format as the file name. All logs are stored in the same name. For a long time, the log file will become very large. This is not conducive to analysis. Although nginx does not have this function, we can write a small

Samba was developed by DEC and used for resource sharing between different Unix machines. It adopts the udp protocol. Later, after re-development based on tcp, the efficiency was greatly improved. The protocol used is SMB. Microsoft is reluctant to

The latest CentOS version is 6.2, which provides the iso image for minimal installation (32-bit 285 M, 64-bit 322 M), the previous 5. version x is not provided separately. It is a good news for us to develop these products. Whether it is download or

Increasing nf_conntrack_max can alleviate this problem, or reduce the time when the conntrack table entry occupies the kernel memory. However, this remedy is always temporary.Note: Do not excessively reduce the timeout of CT status of NEW and TCP

In CentOS, The Python version is 2.4.3 by default, and we have a lot of work that may require a higher version. When we go to the Python official website, we find that the Python version has reached 3.2, then download and upgrade the Python version

Note: Because the pdf functions of okular, epdfview, and evince are provided by the poppler branch of xpdf, these software is called by poppler here. I have not tested it in kpdf, because I am using okular directly now.Poppler Official Website: http:

A) create a. c file. 1. Note // B) Compile: target program file name generated by the gcc file name Option C) run the generated file:./The file name is still required ./ D) Compilation options 1.-o: Specifies the name of the generated executable

A) meaning: multiple processes share part of the physical memory. Fast and convenient access B) Create shared memory first: int shmget (key_t key, int size, int shmflg) 1. Key: indicates the Key value of shared memory; 0/IPC_PRIVATE A) Key = 0: This

1. Download vsftp2. makeMake installCp vsftp extract directory/vsftpd. conf/etc/Allow local users to log on to FTP and copy the vsftpd. pam FileCp RedHat/vsftpd. pam/etc/pam. d/ftp3. Modify vsftpd. confAnonymous Users accepted: anonymous_enable =

  Selinux Configuration SELinux (Security-Enhanced Linux) is the implementation of mandatory access control by the National Security Agency (NAS) and the most outstanding New Security Subsystem in Linux. NSA developed an access control system with

Method 1: Cat/etc/issue Returned results: Ubuntu 6.06.2 LTS \ n \ l   Method 2: Sudo lsb_release- Returned results: No LSB modules are available.Distributor ID: UbuntuDescription: Ubuntu 6.06.2 LTSRelease: 6.06Codename: dapper   Method

Let's take a look at the Linux software extension. The software suffix is. rpm. Initially, Red Hat development or. tgz is packaged using the Unix packaging tool tar. Some commercial software is generally suffixed with. bin. You can use the extension

Ubuntu cannot log on after setting the environment variable PATH$ PATH: is not added when environment variables are set. In this case, the environment variables xxx/bin and xxx/sbin set in other files are overwritten, when you log on to the system,

Modify the time zone:1>Find the corresponding time zone file/usr/share/zoneinfo/Asia/ShanghaiReplace the current/etc/localtime file with this file.Or find the server that you think is the standard time, and then# Scp