Linux

Start Step 1 -- load BIOSTurn on the computer power, the computer will first load BIOS information, BIOS contains CPU information, device startup sequence information, hard disk information, memory information, clock information and so on.  

1. install Tomcat and JDK 1. Upload apache-tomcat-6.0.18.tar.gz and jdk-6u12-linux-i586.bin to/usr/local2. Run the following command to install Tomcat: # Cd/usr/local # Tar zxvf APACHE-Tomcat- 6.0 . 18 .Tar.gz  

Ubuntu Linux environment variable path settings 0Add to favoritesArticle,Add this article to favorites Posted two hours ago, Existing 2 Secondary reading Total 0 Comments 0 Add this article to your favorites: /Etc/profile: The first file

System # Uname-A # view kernel/OS/CPU information # Head-N 1/etc/issue # view OS version # Cat/proc/cpuinfo # view CPU information # hostname # view computer name # lspci-TV # list all PCI devices # lsusb-TV # list all USB devices # lsmod # list

Linux Shell background running and foreground Conversion When Bash is used to startProgram, You can use it in the background to add and implement the program to run in the background; Example: Emacs & But if you forget to enter &; but

LinuxDifferences between soft and hard links 1: Soft link Command:Ln-S/Etc/inittab/test/inittab. Soft View:Ls-l/Etc/initab/test/inittab. Soft The soft connection is similarWindows,->The address of the real file.   2: Hard link

Reprinted from jjzhang166 and finally edited jjzhang166 Http://hi.baidu.com/ah%5F%5Ffu/blog/item/57b76201e27095de267fb5d4.html Finally, I made up my mind to study the Linux kernel and drive development. I was not afraid of the shame of

(3) compression and Packaging Commands Compress related commandsCommand Definition FormatBzip2. bz2 File compression or decompressionProgramBzip2 [Option] compressed (decompressed) file nameBunzip2. bz2 file decompression program bunzip000000000000.

(1)/etc/profile global (public) configuration. No matter which user, the file will be read during login. (2) This file does not exist in/ECT/bashrcubuntu, which corresponds to/ECT/bash. bashrc is also global (public). It reads the file no matter how

1) create a symbolic connection: ln-s target linkname e.g.: ln-s apache-maven-3.0.3 Maven 2) install the RPM package: rpm-ihv rpm-package-name 3) For packages such as **-rpm. Bin, run and generate the RPM package directly, and then run the RPM

We all know that processes are being executed.Program. In Linux, you can use one process to create another process. In this case, the organizational structure of Linux processes is actually a bit like the Linux directory tree, which is a

In normal work, you often encounter some routine tasks that need to be run regularly on a daily basis. To solve this problem, you can use the crontab command. Let's take a look at it later ~ First, start the crontab service.   Service crond

Today, we found that Tomcat port 8080 is unavailable on the server and the port is occupied. Run the following command: PS-Aux | grep Tomcat Tomcat process with no port 8080 is found. Run netstat-APN View all processes and port usage. The

1. First, verify whether the securecrt local host and Linux Server can be pinged; 2. Determine if SSH is installed on the Linux Server If not installed: Apt-Get installopenssh-Server 3. Back up sshd_config: Sudo

View the current operating system kernel information#Uname- Linux redcat 2.6.31-20-generic # 58-ubuntu SMP Fri Mar 12 05:23:09 UTC 2010 i686 GNU/Linux   View the current operating system release information   #CAT/etc/issueUbuntu 9.10 \ n \

Chapter 2 first logon and online man page In Linux, by default, hi provides six terminal ports for users to log on. The switchover mode is CTRL + ALT + F1 ~ F6 combination button. CTRL + ALT + F1 ~ F6: text interface login tty1 ~ Tty6; CTRL + ALT

I. CPU [Root @ srv/] # More/proc/cpuinfo | grep "model name" Model name: Intel (r) Xeon (r) CPU x3220 @ 2.40 GHz Model name: Intel (r) Xeon (r) CPU x3220 @ 2.40 GHz Model name: Intel (r) Xeon (r) CPU x3220 @ 2.40 GHz Model name: Intel (r)

Tcmalloc (thread-caching malloc) implements the same functions as the standard glibc library's malloc, but tcmalloc is much more efficient and faster than standard malloc. Tcmalloc is one of Google-perftools tools, which is open-source and released

In Linux, scheduled tasks are generally undertaken by cron. We can set cron to automatically start upon startup. After cron is started, it reads all its configuration files (global configuration files/Etc/crontab, The configuration file of each user)

Windows configuration is mainly reference: http://blog.csdn.net/supersky07/article/details/7407523 I mainly need the configuration in linux, but the principle in windows and linux should be similar, and the explanation in windows is clear, so it is