Cloud Applications

The installation and configuration of the PDF reader in ubuntu and the error solution will introduce the okular PDF reader in ubuntu [& amp; #712; & amp; #596; kj & amp; #601; l & amp; #601;] Chinese means that the eye software will make you fall in

After a file is deleted in Linux, the space is not released. ########################## restart the file application. In this way, the application can be released. Reason: linux only deletes the link between the file and the system directory

The CMake version installed in the apt-getinstall method of the latest version of CMakeUbuntu in Ubuntu is a little old. The latest version of CMake2.8.9 is required in the project. this version is packaged with CPack. to experience the convenience

Simple summary of Shell scripts and tips in script writing mainly summarize the entry-level bash from the following aspects: 1. Command History, command completion 2. pipelines, redirection 3. command alias and command replacement 4. command line

Linuxmail sent an email statsent but did not receive an email. today, I tried to directly use the mail command (e. g: mail-s & quot; hello & quot; xxx@163.com) to send me 163.com mailbox, 163.com mailbox can not receive, but always can in/var /...

Linux uses rarlinux to operate files in rar format overview: RAR is a patented file format for data compression and archiving and packaging. developer Eugene & middot; fig (EugeneRoshal ), so the full name of RAR is RoshalARchive. The first public

Slackware14 installation guide I. installation preparation 0001. it is recommended to download slackware from a domestic source. of course, if you can tolerate the same download speed as that of a foreign source snail bait, it is another matter. At

Ubuntu10.04 screen recording software: XvidcapUbuntu10.04 screen recording software has two common types: RecordMyDesktop and Ubuntu10.04 screen recording software Xvidcap1. do not use the RecordMyDesktop SB software !!!!! Recording two and a half

Linux process high cpu problem analysis 1 use the top command to check which process occupies CPU high gateway process 14094 occupies CPU up to 891%. this value is the cumulative value of CPU usage by each thread in the process. Piduserprni1_resshrs

1. check whether the environment required to build LAMP has been installed [root @ centos6 ~] # Rpm-qmakegccgcc-c ++ zlib-devellibaio remarks: when installing libpng, zlib-devel is required to install mysql. if it is not installed, yum will install [

What is the working mode of apache? My personal understanding: apache's working mode is the memory allocation and usage of processes and threads during apache runtime. For example, if a user accesses apache, apache enables a process... what is the

The number of requests with a response code of 400 on an application increases by 1‰. the reason for the application's request is analyzed. First, check the log to check whether other requests of the ip address of the 400 request are normal, and

After the upgrade to 12.04 today, all aspects are normal, but when I want to listen to the song, I started to use headphones and found that even if the volume is adjusted to the maximum, it is still silent. Later, I pulled out my earphones and found

Linux container technology-LXC related technical knowledge 1. lxcbr0 when USE_LXC_BRIDGE & quot; true & quot; in/etc/default/lxc, lxcbr0 is automatically created at lxc startup and assigned the IP address 10.0.3.1, the lxc instance of this bridge

Linux modify the default language to edit the/etc/sysconfig/i18n file, the original content is as follows: LANG & quot; zh_CN.UTF-8 & quot; SYSFONT & quot; latarcyrheb-sun16 & quot; SUPPORTED & quot; zh_CN.UTF-8: zh_CN: zh & quot; www.2cto.com Linux

Iptables official website: Alibaba IptablesHttp://netfilter.org/ Path of the data packet passing through the firewall Port prohibited Force access to a site Publish an internal network server Intelligent DNS Port ing Access through NAT Save and

1. disable all INPUTFORWARDOUTPUT to open only some ports. The following is the command implementation: iptables-PINPUTDROPiptables-PFORWARDDROPiptables-POUTPUTDROP and then use the command iptables-L-n to check whether the settings are correct. you

Rhel6.0yum installation and installation of 7zip compression and decompression software 7-Zip is a high compression ratio archiving format 7z manager, unfortunately only used for Windows platforms. In fact, 7-zip is also available in linux, but it

One linux command every day (35): ln command link: One linux command every day (1): ls command http://www.2cto.com/os/201210/163049.html ; One linux command every day (2): cd command http://www.2cto.com/os/201210/163050.html A linux command (35)

The size of the file hard disk deleted in linux remains unchanged. recently, the game server's hard disk is full. What's strange is that du/opt/is only 25 GB, but df is? N case study? Capacity in use available %? Mongod? /Dev/sda5195g23g1631613...