Cloud Applications

1 Create pdf man-tmanpage for man manual | ps2pdf-filename.pdf for example man manual for making ls command pdf man-tls | ps2pdf-ls.pdf2 for command bind shortcut key bind-x & amp; #39; & quot; \ C-l & quot;: ls -... 1. create a pdf version for the

For any computer user, data may be lost due to sudden system failures or sudden power outages during normal operation. We always regret failing to back up the system and various files in time. In fact, a computer user often focuses on... information

Linux has been developing very rapidly in just a few years, which is inseparable from the good features of Linux. The Linux system contains all the functions and features of the UNIX system. In short, the Linux system has the following main features.

The basic functions of the top command and ps command are the same, displaying the current process of the system and other conditions. However, the top command is a dynamic display process, that is, you can press the key to continuously refresh the

1. install # rpm-ivhfoo-1.0-l.i386.rpm2. uninstall installed software packages # rpm-efoo3. upgrade package # rpm-Uvhfoo-2.0-l.i386.rpm4. query package # rpm-qfoo5. verify the software package parameters:-a simple check for the existence of files in

The first regular capture of server JVM information #! /Bin/sh # get_current_timeexportJAVA_HOME/opt/jdk1.6.0 _ 10/exportPATH $ JAVA_HOME/bin: $ PATHexportCLASSPATH.: $ JAVA_HOME/lib/tools. jar: $ JAVA_HOME/li The first regular capture of server JVM-

Not to mention nonsense. First, add fastcgi_intercept_errorson to http {} or sevice {} in the nginx configuration file; then modify error_page404/Error404/404.html; the following location/404.html {root/var/www/web;} can be... Let's get

Linux contains commands executed by the administrator root and commands managed by common users: the commands run by Root are put into/sbing and/usr/sbinAllusers and put into/bin and/usr/binLinux. by default, there is a built-in user nobody in the

Use sudochown-R/var to modify the location of/var, and the following error occurs after restart: couldnotupdateICEauthorityfile/var/lib/TPD. /ICEauthority use the following command to modify: sudochown-Rroot: root/varsudocho... UseSudo

1. install vsftpd: run yuminstallvsftpd in shell to install vsftpd. 2. modify vsftpd configuration: find vsftpd under/etc/vsftpd. conf file, modify the default configuration, including the listening address and port, whether to enable tcp, psav mode,

1. what kind of shell does instance 1 make the $2 of file1 and file2 different and get the global $0? Note: When comparing the $2 files, make sure that the first column is the same before comparing the 1.1 files and the operation file # catfile000012

1. create the backup directory oradataback, level 2 directory archback (archive log), rmanscripts (backup script), and rmanlevel0.shrmanlevel1 under rmanscripts. shrmanlevel2.sh File: mkdiroradataback -- home/oracle/app/ora... 1. create the backup

Method 1: 1. disable ifconfigeth0down2. modify the MAC address ifconfigeth0hwetherMAC address 3. restart ifconfigeth0up or write the above content to/etc/rc. method 2 of permanent programming in local: Before modification... Modify the MAC address

In linux, you can use the history command to view all the user's historical operation records. Without additional configuration, the history Command can only view user operation history, but cannot distinguish between user and operation time. The

Heartbeat introduction Heartbeat practice test havailability cluster (HA cluster for short. It is common. Heartbeat introduction Heartbeat test Http://hi.baidu.com/%BB%C6%D0%C4%B2%A8/blog/item/d120a74da0e7fd38afc3ab09.html Heartbeat

Memory usage instructions the Free Command provides a more concise view of system memory usage than the top command [root @ rac1 ~] # FreetotalusedfreesharedbufferscachedMem: 10351081008984261240124212413000-/+ buffers/cache: 4...   Memory usage

Environment: The operating system is CentOS5.1Apache2. X Server: IP address 192.168.232.4; installation path:/usr/local/apache; Tomcat6 server: IP address 192.168.232.5; installation path:/usr/local/tomcat; Tomcat6 server: IP address 192

Due to the kernel bug, the kernel of version 2.6.35 cannot properly use the e1000e Nic in Fedora14. Therefore, you must compile and install the kernel on your own. Because the kernel module is compiled by itself, kernel-devel and kernel-header are

Man's help information format: the man command or the configuration file command can not only obtain the help information of the command, but also the information of the configuration file. This command displays the help information in the more

In vi editing mode, the automatic completion full-featured command is implemented: Ctrl + n, Ctrl + p. In editing mode, after a word is entered in vi, the text word is remembered. In the vi editing mode, you can use Ctrl + n, ctrl + p to