Cloud Applications

Linux/Unixshell scripts monitor disk space available Linux shell scripts that monitor disk free space, which are essential for system administrators or DBAs. The following is a sample shell script for monitoring disk space for your reference. 1.

Set the Ubuntu environment variable to control the title of the Putty window! This time is over ~ Turn off the wrong server,: (this is often the case because there are multiple Putty remote connections on the desktop, they all look like one, an

Crontab format and detailed example format: *** command indicates that the 1st column of the day-month-week command indicates minute 1 ~ 59 every minute, use * or */1 to indicate 2nd columns to indicate hour 1 ~ 23 (0 indicates 0 points) column 3rd

Fu Xin reader is a particularly useful pdf reader. the reason why I have been using virtual machines to run Linux is partly because I cannot bear the need for a few useful software under windows, today, I tried to install a Fuxin reader in Linux.

VIM: how to modify your. vimrc file by checking whether the file is garbled in Chinese encoding, so that it supports gb2312 and will be automatically recognized. You can refer to my setting code: & quot; to set the file encoding type to completely

In linux, the hard disk partitioning tool fdiskfdisk is a hard disk partitioning tool in linux. The principle of hard disk partitioning is the same, but the tool format is different. one is the partition when the system is installed, one is the

Nginx configuration round-robin shunting-achieve load balancing [pass test] preparations, 3 servers, or open a virtual machine! I implement it on a virtual machine. The ip addresses are 192.168.1.10192.168.1.11192.168.1.12 (Environment: ngixn is

Use git 3 branch (study Note 3) branch gitbranchnew // create a new branch to directly merge (merge) gitcheckout-balternatemaster // directly create the alternate branch and go to the branch; create a new gtiaddabo in the alternate branch... use git

Ruby + gem common commands: ruby-e & amp; #39; & amp; #39; require & quot; watir & quot; putsWatir: IE: VERSION & amp; #39; & amp; #39; # View watir version gem-v # gem version gemupdate # Update all packages gemupdate -- s ruby + gem common

Rsync learns to record rsync server troubleshooting ideas 1. check whether the rsync service configuration file path is correct, the correct default path is/etc/rsyncd. conf2, and check hostallow in the configuration file. Hostdeny: whether the ip

Linux command Learning & mdash; single quotation marks (& amp; lsquo; & amp; rsquo;), double quotation marks (), and small quotation marks ('') the conclusion is also very important for the application of quotation marks when writing shell scripts.

In a 64-bit operating system, if you use YUM to install only the configuration of the pure 64-bit software package, installing the 32-bit and 64-bit software at the same time will not cause any problems to the system, however, this will waste hard

Linux system security and optimization configuration 1. openssh security configuration this section focuses on SSH-related security configuration 1. 1. prohibit the root user from logging on only to normal users, and then switch to the root user

If there are many ports and are sorted, use the port range statement. for example, Port 40100: 40109 indicates port 40100 to Port 40109. if you do not know the basic knowledge of IPTABLES, we recommend that you first check it out. configure a filter

Iptables supports Active and Passive FTP protocol configuration in two ways: PORT and PASV. the Chinese meaning is active and passive. Port mode: ftpserver: tcp21 -- client: dynamicftpserver: tcp20 -- client: dynamicPasv mode: ftpserver: tcp21 --

As we all know, I cannot use common Fdisk commands when the disk partition in linux is larger than 2 TB. Is there no way to use large-capacity disks in linux? Answer: No. In linux, we can convert a large-capacity disk to the GPT format. As the GPT

Iptables is complex and integrated into the Linux kernel. You can use iptables to filter data packets that come in and out of your computer. Use the iptables command to set your rules to keep your computer network secure-what data is allowed to pass,

Redhat6.3openstack cinder installation configuration cinder configuration installation: www.2cto. com1) download sourcecode2) pipinstall3) yuminstallscsi-target-utils4) yuminstalliscsi-initiator-utils.x86_64... redhat 6.3 openstack cinder

In our daily work, we often involve server maintenance. to facilitate operations and security, we usually install the ssh server on the server, connect to the server through ssh client on our own machine, which is both convenient and... summary of

Ubuntu11.10 manually download and install JDK 6 (available for test) recently due to development needs, you need to install JDK 6 on ubuntu11.10. here we will summarize the installation process: Step 1: Download JDK 6 from the official sun website,