Cloud Applications

Git + github use 1. create a new Repository on github, after the basic information is completed, remember the git@github.com: xxx/xxx. git.2. local configuration username and mail configuration will be in ~ /.Gitconfigwww.2cto.com # gitconfig --

RaspberryPi: SD card file modification and backup I. preparations 1. Raspberry Pi SD card configured for startup 2. pc3 and card reader www.2cto.com in Linux 2. modify the SD card file at the beginning connect the SD card to the pc under win7,

Apache2.2prefork mode optimization apache2.2 optimization configuration core Key: (1) in prefork mode (not applicable in other modes), apache needs to optimize the main parameters:

Communication between linux systems on the two virtual machines needs to be tested. Therefore, one virtual machine is installed on each of the two computers and the linux system is installed. Virtual Machine A is installed with the oracle Server,

Ubuntu12.04 & quot; the network service of the system is not compatible with the network manager of this version. this morning, I had a mess in the lab and did not know what the problem was. as a result, after the restart, the network map was

Check the memory in Linux, and check the memory usage in the load status www.2cto. comcat/proc/meminfoMemTotal: 16332644 kBMemFree: 5635360 kBBuffers: 787976 kBCached: 3728512kBSwapCache... in Linux, check the memory and load status. check the

The CentOsDNS function first configures the linux network connection! 1. install the relevant suite www.2cto.com [root @ localhost ~] # Yum-yinstallbindbind-chroot2, configure the experiment environment [root @ localhost ~] # Cd/var/named/chro...

To install Trac in Ubuntu12.04, we need to install Trac0.13 on the development server (the operating system is Ubuntu12.04, and the 64-bit server version. Prerequisites: the ApacheWeb server is installed on www.2cto.com. if you want to integrate

Java code www.2cto. com001. common query commands for routine maintenance # top Display system processes # clear screen information # cat/etc/redhat-release View system version information # cat/proc/version View system... linux routine instructions

View suse version 1, cat/proc/version kernel version www.2cto.com # cat/proc/versionLinuxversion2.6.5-7.244-smp (geeko @ buildhost) (gccversion3.3.3 (SuSELinux) #1SMPMonDec1218: 32... view suse version 1, cat/proc/version kernel version www.2cto.com

Shell command execution 1. shell commands include built-in commands and external commands. Built-in commands are built-in by shell interpreter. they are directly executed by shell and do not need to derive new external commands of the process. these

Bind multiple NICs under LinuxCentOS recently touched on a piece of server load. The following describes how to bind multiple NICs to IP addresses in Linux. here is an experiment with CentOS6.3, the environment is completed under VMwareWorkstation9.

[User management] view user login information (I) view all online users [plain] [root @ Rocky ~] # Whoroot: 02013-03-1813: 31 rootpts/12013-03-1818: 48 (: 0.0) rootpts/2... [user management] view user login information (I) view all online users

The sendmail email fails. gitlab uses sendmail to send emails internally. Sometimes the gitlab logs have sent emails, but some users cannot receive emails. later, I checked the system log and found that when sendmail was sent, I used a specified

Find the number of files updated within 24 hours and the total size of the updates. Today, a small shell is written to check whether the databases automatically backed up today are correctly updated to the backup server, the automatic backup part

Df and du commands use common parameter df commands! The df command lists the total disk usage of the file system. du evaluates the disk usage of the file system and is often used to estimate the directory size. df parameter:-a: list all file

The Nginx monitoring request lua script sends a report to the server through udp when the response status code is not 200. Monitor. lua [plain] ---- ConfigNginx. conf: ---- set $ str $ uri; -- content_by_lua_file; ---- location/proxy {... the Nginx

Linux commands and tools 1. view the processes running in the system # psauxw2 and netstat commands view the services monitored by the system # all valid connection information lists of netstat-ln-, including ESTABLISHED connections (ESTABLISHED)

Ubuntu11.10 can not open softercenter (software center) and languagesupport solution after installing Ubuntu open systemsetting and then open languagesupport appeared the following bug, but also cannot open softwarecenter seems to be to install

Linux Virtual Machine online virtual machine linux version: redhat9.0 Summary: to ensure that the virtual machine system can access the Internet, you must first solve the connection relationship between the virtual machine and the Real host. VMware