Linux

Wget-c http://ftp.gnu.org/gnu/binutils/binutils-2.23.tar.gz wget-c http://ftp.gnu.org/gnu/gcc/gcc-4.4.2/ gcc-4.4.2.tar.bz2 wget-c http://ftp.gnu.org/gnu/gmp/gmp-4.3.1.tar.bz2 wget-c http://ftp.gnu.org/gnu/mpfr/ mpfr-2.4.2.tar.bz2 wget-c

1. Overview The best security protection is of course "resist outside the country", through the security protection technology, to ensure that the current host is not authorized to invade, but "while, outsmart", and then a good means of protection,

##################### Low Space: ################################ 1. [Root@app2 ~]# Df-kh: (disk filesystem check which partition got low space:preferably user df-hp 2. [root@app2~]# df-hp/opt/oracle/ FileSystem Size Used Avail use% mounted on

Turn from: http://www.oschina.net/question/17_2280 Linux boot has disk error, disk scan progress complete after the cursor stays in An error occured during the filesystem checkdropping to a shell; The system would rebootWhen you leave the shell.Give

1, monitoring the use of disk, memory, network, etc. DF: Use of file system disk space -bash-4.1$ DFFileSystem 1k-blocks Used Available use% mounted on/dev/mapper/volgroup-lv_root 6926264 3671752 2902668 56%/Tmpfs 961244 961160 1%/DEV/SHM/DEV/SDA1 49

System Monitoring View System Parameters To view the number of CPU coresCat/proc/cpuinfo | grep "CPU Cores" | Uniq View CPU ModelCat/proc/cpuinfo | grep ' model name ' |uniq View Total MemoryCat/proc/meminfo | grep memtotal View hard disk

 The 109 Linux commands that the operation engineer will have Directory 1 File Management 6 1.1 BaseName 6 1.2 Cat 6 1.3 CD 7 1.4 Chgrp 7 1.5 chmod 8 1.6 Chown 9 1.7 Comm 10 1.8 CP 10 1.9 Cut 11 1.10 DD 12 1.11 diff 13 1.12 Dir 14 1.13 Dos2unix 1

Almost every peripheral is done by reading and writing registers on the device, typically including control registers, state registers, and data registers, and the registers of the peripherals are often continuously addressed. Depending on the CPU

Experiment three :Linux Common commands 1. Experimental purposes 1, familiar with Linux commonly used commands; 2, master the use of Putty tools to access Linux. 2. Experimental content 1, the basic operation of Linux command; 2, modify the IP

the configuration method of JDK environment variables under Linux Under Linux to do development first is the need to configure environment variables, the following to configure the Java environment variables for example to introduce three kinds of

redhat6.2 on the LVM. 1 First, add a hard drive to RH on the virtual machine. 2 Start RH 3 Enter on the terminal [beigang@localhost~] $fdisk-L disk/dev/sdc:1073 MB, 1073741824 bytes ...... DISK/DEV/SDC doesn ' t contain a valid partition

After installing Linux today, set up the JDK7 environment variable in/etc/profile, after the source command, run Java or the system default 1.4 jdk. Let me take a look at the steps I'm doing, 1, first which Java, look at the system default Java is

#include #include #include #include #include #include #include #include #include int init_mixer ("/dev/mixer", int *fd) { if (*FD = Open (Device_name, o_wronly)) CU Home >> reading channel >>

File Operations Replication command CP (copy) Usage: CP [options] ... [-t] source purpose OR: CP [options] ... Source... Directory OR: CP [options] ...-t directory source ... Copy files to to . Here are a few of the more important

Previously used Youdao, but the Youdao so far, still does not support Linux. No way, just get a lot of platform can use notes it. The user experience of taking notes seems to be a good idea. install under Ubuntu as a known step: First, add the

1. Find Find is the most common and powerful search command you can use to find any file you're looking for. Find uses the following format: $ find - - - If nothing is added, find defaults to search the current directory and its subdirectories,

1. Use grep: tar tvf package_name.tar | grep key_work For example: root@root ~]# tar tvf bb.tar-rw-r--r-- 2011-10-20 17:27:00 aa -rw-------root/root 1303 2011-10-13 19:10:07 anaconda-ks.cfg Root/root 0 2011-10-13 19:38:54 desktop/

A B C Cat Copy file File1 to File2 can I use which of the following commands () CP file1 file2 cat file1 >file2 Cat file2 DD if=file1 of= File2 cat File1 | cat >file2 //Can be CP command: The CP directive is used to copy files or directories.

Linux Common Command Summary, welcome to reprint I. Babbling phase first teach you four hot keys, learn these four keys, the benefits of life. TAB key---command completion CTRL + C key---Stop the running program ctrl+d Button---equivalent exit,

Function parsing: static struct File_system_type **find_filesystem (const char *name, unsigned len){struct File_system_type **p;For (p=&file_systems; *p p=& (*p)->next)if (strlen (*p)->name) = Len &&STRNCMP ((*p)->name, name, len) = = 0)Breakreturn