Linux

This is a case of a client that was processed 1 months ago, which is roughly the first time a certain RAC node instance was restarted, with alert log we can find that the node 2 instance of the RAC cluster has been forcibly terminated, as follows

The Linux configuration installs the SVN service, this configuration environment is centos6.6, the kernel version 2.6.32. Last Login:sat Mar 14 06:12:56 2015[Root@svn-server ~]# Cat/etc/redhat-releaseCentOS Release 6.6 (Final)[Root@svn-server ~]#

Vagrant is a tool to create lightweight, highly reusable, and portable development environments.In the eyes of the non-professional, this means that vagrant discard all the headaches in the development environment for a single configuration file,

0. What is NFS (network filesystem)NFS is the acronym for Network FileSystem, which was first developed by Sun. His greatest function is to be able to use the network to allow different machines, different operating systems, to share individual

(i) Conceptual ① Physical CPU Number of CPUs on slots in actual serverNumber of physical CPUs, several physical IDs can be counted ② Logical CPU /proc/cpuinfo used to store CPU hardware information.The information content lists the specification

There are a number of log files located under the/var/log/directory, and here is a record of the related uses. Some of these are only available in a specific version, such as Dpkg.log can only be seen in Debian based

First, use the compile installation This method is suitable for all Linux distributions First, download Vnstat from the official website: wget http://humdi.net/vnstat/vnstat-1.11.tar.gzExtract: Tar xvzf vnstat-1.11.tar.gzEnter directory: CD

Using an SSH client (such as: Putty) to connect to a Linux server may wait 10-30 seconds to prompt for a password. Seriously affect work efficiency. Logon is slow, log on after the normal speed, this situation is mainly for two possible reasons: 1.

After installing the VSFTP software, the link FTP login prompts such errorOops:cannot Change directory:/home/ The reason is that the CentOS system installed SELinux, because the default is not open FTP support, so access is blocked. Solutions

After you upgrade to OpenSUSE 13.2, Windows NTFS partitions that were originally configured to mount and write automatically are now not mounted automatically, and automatic mounts are configured in Disk Management and the Mount read-only is not

In general, the copy command prompts us to enter the username and password for the remote server, which is an obstacle in automating the program because there is no manual intervention. About the server between the exchange of the password does not

DF-HL View disk remaining space Du-sm folder Returns the total m of this folder More features please view: DF--help Du--help Du-sh (the name of this directory) is the size of this directory. Use the du command to view a directory, such as

Method of bulk deleting empty files (Files of size equal to 0) under Linux The code is as follows Copy Code Find. -name "*"-type f-size 0c | Xargs-n 1 rm-f This also allows you to delete a file of a specified

First Use SSH login to the Aliyun server SSH landing software I use putty baidu inside download. Then use your root account to log in. The command to modify the password is passwd How to mount the data disk as follows: The first step is to use

Description As of the current Rhel 6.x latest version of Rhel 6.5, the following describes the Rhel 6.5 of the specific installation configuration process Server-related settings are as follows: Operating system: RHEL 6.5 64-bit IP Address: 192.1

After a month, the author bought a Kindle, found that the goods have a proprietary E-book format, where everyone prefers Mobi format. In order to find resources, have to blend in various Kindle forum. Then accidentally found that we can also edit

The Linux nice command runs the program in the changed priority order. If no program is specified, the current priority order is printed, and the preset adjustment is 10, the range is-20 (highest priority) to 19 (lowest priority ).Permission: all

1. Download nginxCommand: wget http://nginx.org/download/nginx-0.8.54.tar.gz 2. DecompressCommand: tar zxvf nginx-0.8.54.tar.gz 3. Enter the DirectoryCommand: cd nginx-0.8.54 4. Install the dependency packageCommand: yum-y install gcc pcre-devel

Linux unzip command is used to decompress the zip fileUnzipping is the decompression program for. ZIP compressed files.SyntaxUnzip [-cflptuvz] [-agCjLMnoqsVX] [-P ][.zip file] [file] [-d ] [-x ] or unzip [-Z]Parameters: -C displays the extracted