Cloud Applications

The operating environment is a patchwork old machine, running four gb cpu, GB memory, 40 GB Seagate IDE hard disk, which is roughly 04 years of hardware level. For LNMP installation, only WordPress is installed. The operating system is Ubuntu10.10

Lighttpd is a secure, fast, compliant with standards, flexible, and optimized web service software for complex network environments. This article describes how to install Lighttpd and MySQL support for HPH5 on Centos5.2. 1. install MySQL [root @

When it comes to Nginx, you should be familiar with it. although it was a little late, its excellent performance caused many system engineers to fold and be widely used. There are many articles on the Internet that show you how to enable nginx to

Create a local software repository 1. mkdir/media/cdrom2, and load the rhel6 disc to/media/cdrommount/dev/cdrom/media/cdrom * iso, after the system restarts, you need to reload the CD or iso file mount-oloop/root/xxxx. iso/media/c...   Build a local

Step 1: collect information dmesg to view the startup and output information of the kernel and check whether there is any information related to the NIC, check if the NIC recognizes ifconfig-a and shows all the Nic lspci | grepEthernet check the Nic

Check whether the required package is installed. [Root @ MASTER ~] # Rpm-qa | greprp-pppoerp-pppoe-3.5-32.1 configuration file directory under/etc/ppp [root @ MASTERppp] # lschap-secretsioptionsip-upipv6-uppeersfirewall-masqip-d...   Check whether

LVM provides snapshot backup for lv, which is only valid for LVM. There are multiple implementation methods for snapshot. here we only talk about COW replication during writing, not cows. it is Copy-On-Write. when a snapshot is created, only the

(1) intersection of two files, and set the prerequisites: each file must not contain duplicate rows. retrieve the union of two files (only one copy of duplicate rows is retained) catfile1file2 | sort | uniq & gt; file32. extract the intersection of

For lsof, the network manager should understand the following usage: # display the current SSH connection user and source IP address $ sudolsof-n | grepsshd | grepTCP | cut-c18-28, 70-rootTCP *: 22 (LISTEN) rootTCP *: 22 (LISTEN) rootT... First look

This article is carried out after the LAMP environment is installed. to view the LAMP installation configuration, see my previous LAMP installation documentation experiment environment: Linux: Centos6.0 (64-bit) Apache: httpd-2.2.19.tar.gzMysql:

Basic concept ① tty (collectively referred to as a terminal device): tty is derived from Teletypes or teletypewriters. it originally referred to as a telex typewriter, it is something that uses a printer keyboard to read and send messages through a

Common commands: 1. ls only lists file names (which is equivalent to dir and dir can also be used)-A: lists all files, including hidden files. -L: a list that contains most attributes of a file. -R: recursive display. -- Help: the help of this

# Lower part of the interrupt. common_interrupt: addl $-0x80, (% esp)/* Adjustvectorintothe [-256,-1] range */# adjust the interrupt number to 0 ~ The range of 255. SAVE_ALLTRACE_IRQS_OFFmovl % esp, % eaxcalldo_IRQ # process the interrupt routine.

SeLinux is enabled in some Linux by default. when installing the operating system, we can choose to enable or disable SeLinux. but after installing the system, how can we enable and disable SeLinux? There is a SeLinux file in/etc/sysconf, which is

File caching in linux is also mentioned in advanced file programming in linux: the so-called file write buffering means that when a file stream performs an output operation, it does not immediately write data into the file, instead, the data is

10. the meaning of directory properties r: indicates that you have the permission to read the directory structure List. Therefore, when you have the permission to read the r directory, you can use the ls command to list the contents of the directory

18. when the number of directory connections is hard-connected for file connections, add 1 in the 2nd Field displayed in ls-l. create a directory and set the number of connections to the new directory to 2, the number of connections in the upper

Tr is used to delete control characters in a file or convert characters. Syntax: tr [& amp; ndash; c/d/s/t] [SET1] [SET2] SET1: Character set 1SET2: Character set 2-c: complement, use SET2 to replace the character-d: delete not included in SET1, and

Although the kernel module does not execute in the same order as an application, most of the actions performed by the kernel represent a specific process. the kernel code can reference the current process by accessing the global item current, which

Some common commands are summarized as follows: 1. install yuminstall all install yuminstallpackage1 install the specified installation package1yumgroupinsallgroup1 installer group group12 update and upgrade yumupdate all update