Cloud Applications

Migrate the BLOG originally running on Apache to the Nginx server today, and record the Rewrite changes! It is found that using try_files in Nginx is simpler and faster than Rewrite! Add: location/{try_files $ uri // index. php? to the server? Q $

Today, the system checks the status of raid1 and finds degraded, because raid1samba is still accessible. So I opened the chassis and checked the hard drive connection line and re-plugged the power line post self-check to check the other hard drive. 1

Today, as the customer needs it, we need to change the previous raid 5 to RAID0. In a simple environment, this is one of the storage devices of a vendor. the OS is of the linux version, with 12 2 tsata disks and LSI hard RAID. I made two of them

# Turn on port 22 iptables-AINPUT-ptcp -- dport22-jACCEPTiptables-AOUTPUT-ptcp -- sport22-jACCEPT # Close all ports iptables-PINPUTDROPiptables-PFORWARDDROPiptables-P... # Enable port 22Iptables-a input-p tcp -- dport 22-j ACCEPTIptables-a output-p

Linux startup process: 1. BIOS self-check 2. enter the MBR boot program and boot the System program by lilo/grub. 3. load the system kernel to the memory, kernelboot, and give control to the operating system. 4. run the init process, the process

Ls & amp; ndash; la lists all command cd to enter the current directory cd .. parent directory cd. the current directory cat displays the file content echo + content & gt; file name (write content) mkdir creates a new directory mkdir & amp; ndash; p

$0 ---- the name of the current program is actually an internal parameter, different from $1, $2... because it must have! $ # ---- The total number of parameters passed to the program, that is, the legendary array size $? ---- When the previous code

Sersync2 can synchronize a directory on a machine to multiple machines in real time, which is very suitable for a large number of small files such as web pages. 1. configure the synchronization target server # vi/etc/rsyncd.

The first thing to do after installing Linux is to set an IP address to access the internet. This article describes how. set static IP addresses. (1 ). command line setting (this method is only temporary setting and will expire after the system is

Example 1: package all the files in the/etc directory into/tmp/etc.tar [root @ linux ~] # Tar-cvf/tmp/etc.tar/etc & lt; pack only, do not compress! [Root @ linux ~] # Tar-zcvf/tmp/etc.tar.gz/etc & lt; after packaging... Example 1: package all the

View host name: uname-a modify host name: modify host name in redhat Step 1: # hostnameoratest Step 2: modify hostname in/etc/sysconfig/network Step 3: modify the/etc/hosts file suselinux: modify the/etc/HOSTNAME file. in this file, ensure that...

I have been using linux for a while. although I am not proficient in it, the daily application maintenance is still okay. yesterday I intentionally formatted the/boot partition directly and tried to restore it today, let's see how we know about

Restart nginx by executing/usr/bin/nginxdrestart. the script content is as follows :#! /Usr/local/php/bin/php & lt ;? If ($ argv [1] & quot; start & quot;) {echosystem (& quot; ulimit-SHn51200 & quot;); echosystem (& quot;/u Restart nginx by

Test Environment: 1. ubuntu10.04LST2 on the VM. putty is connected through SSH (this step is not required, I am using this method to connect to javastuserver) the software package to be installed: The first step of installation, these are the

Install the source code as follows: first remote to the server. 1. download from the Internet: VNC package [root @ wwwroot] # wgethttp: // Configure Install the source code as follows:First, remote access to the server.1. Download: VNC package from

1. vmstat reports virtual memory statistics. vmstat [-V] [-n] [delay [count] delay is the delay time between two outputs; count refers to the number of times statistics are made at this interval. Example: vmstat-n3 (refresh once every 3 seconds)

Use the gnome desktop environment as an example to describe and configure it! Modify the configuration file/root/. vnc/xstartup. remember to copy the backup before modification! Inside the red box is the place to be modified. # unsetSESSION_MANAGER #

Before configuring drbd, let's take a look at the basic knowledge of drbd. DistributedReplicatedBlockDevice (DRBD) is a software-implemented, non-shared, and storage replication solution for image block device content between servers. Data Image:

We have just installed a Linux system. to connect to the internal network, we need to use Huawei's H3CiNode. I just started using Linux, but I am not familiar with it. However, I was very excited about Linux over the past two days and I was very

1. there are few differences between Linux disk partitions and Linux release versions. the differences are mainly manifested in the special system management tools and different software package management methods. The directory structure is