Cloud Applications

In bash, escape is a method for referencing a single character. the escape character (\ backslash) before a single character tells shell that this character does not need to be interpreted specially, and only serves as the literal meaning. however,

To solve the problem that tracker occupies a lot of CPU in linux, during the use of fedora, sometimes the CPU temperature will suddenly increase. Normally, the CPU temperature will be 39 ~ About 45 degrees, and then run the top command under

Vim configuration file type, loading order, basic configuration through View: version can see Vim configuration file is divided into three types: versionVIM-ViIMproved7.3 (2010Aug15, compiledOct29201118: 46: 03) system vimrc File: & quot; $ VIM/vimr.

Steps 1: Insert the USB flash disk into the USB interface and check whether it is inserted. 2: run the fdisk command to check the partition and USB device information. [root @ wgods ~] # Fdisk-lDisk/dev/sda: 1000.2 GB, 1000204886016bytes255hea...

Linux Virtual Machine and winodows shared folder ---- it is very troublesome for linux to install VMwaretools virtual machine to obtain files from the original local system. To share folders between the original system and virtual machines, you can

Use the code to obtain/etc/resolv. the last modification time of the conf file and the file information/etc/resolv. the conf file is the configuration file for DNS domain name resolution. each line starts with a keyword, followed by configuration

Ubuntu sets the wireless network card to the monitor Mode. The first thing to ensure is that the wireless network card supports the monitor mode, which can be viewed through the iwlist command. After confirming that the wireless network adapter

In Linux, using shntool to use cue to separate lossless music. ape and flac are both lossless music formats. of course, the sound quality is much better than mp3 and there is no noise. Because I recently wanted to listen to ape or flac songs on my

The reboot command of AIX must be used with caution to shut down the reboot command in the AIX system. I talked with my colleagues a few days ago about a previous problem and said why the machine was shut down after reboot, we had to run the data

Write the following command in the firewall. sh file: # vim/etc/firewall. shiptables-Fiptables-NFIREWALLiptables-FFIREWALLiptables-AINPUT-jFIREWALLiptables-AFORWARD-jFIREWALLiptables-AFIREWALL-p Write the following command in the firewall. sh file:#

The firewall in Linux is a packet filtering firewall implemented by the netfilter/iptables network architecture. it can implement most of the hardware firewall functions. Therefore, it can be used as a substitute for the hardware firewall in

Environment description: 1) set up Redhat9.0 environment in Vmware Eth0: 172.16.3.109/24; Gateway: 172.16.3.253; Eth1: 192.168.0.1/24; Gateway: none; 2) host Eth0: 172.16.3.99/24; Gateway: 172.16.3.253; 3) server AEth0: 192.168.0.10/24;

In Linux, use the Command & amp; #39; top-I & amp; #39; to view how many processes are Running, there may be a memory or I/O bottleneck in the system. use free to check whether the system memory usage is high. use iostat to check whether swap is

Create a new user named "add ROOT permission" "configuration" "cannot use the TAB key" in ubuntu. 1. create a user named www.2cto. comadduser create user name passwd create user name add new user 2. create home directory # cd/home1. create home

[Plain] www.2cto. comfind file search command format: findpathnameoptions [-print-exec-OK] pathname: directory path-print: the matching file is output to the standard output-exec: pair... Description of the find command and xargs command in AIX

In centos6.3x64 environment, install the vpn client. specifically, I tried to check whether the server has been installed on the local server first... in centos 6.3 x64 environment, install the vpn Client. Q: www.2cto.com because the project needs

How to mount an NFS shared folder of Synology on Centos? why do we need to Mount NFS of Synology? we don't want to use Rsync for synchronous backup. The current configuration of www.2cto.com is to mount an NFS shared folder of Synology on Centos,

In Linux, the memory usage is too high. The solution has recently encountered a menstrual problem. some old people have asked why there are no other services after the boot, so mem will be used up? Is memory leakage? Do you want to restart the

Routine Job schedule-crontab, anacrontab1, syntax: www.2cto.com [root @ www ~] # Crontab [-uusername] [-l |-e |-r] options and parameters:-u: Only root can perform this task, that is to help other users create/remove crontab jobs... routine Job

S3cmd implements file synchronization and backup in batches using split. s3cmd is always used to synchronize backup to the server. However, a small problem has occurred recently. after verification, it is found that the server file is growing bigger