Linux

Now CPU2 nuclear more common, usually with Linux on the Internet may not need dual-core or even 4 cores, most of the distribution kernel is enabled Cpu_hotplug, to/SYS/DEVICES/SYSTEM/CPU can see Folders cpu0, CPU1, In addition to CPU0 (this cannot

1. Log in to Linux and download the RZSZ installation packagewget http://freeware.sgi.com/source/rzsz/rzsz-3.48.tar.gz2.tar ZXVF rzsz-3.48.tar.gz Unzip the installation package3. After extracting the SCR directory, this software installation is

Conversion method "Turn" between common audio formats under LinuxThe following is a brief introduction to the conversion method between common audio formats for Linux environments:MP3 Related tools: lameOGG Related tools: Vorbis-toolsAPE Related

File Lookupgrep egrep fgrep Text LookupFile Lookup:Locate:non-real-time, fuzzy matching, lookup is based on the system-wide file database;# Manually generate file database updatedb;Find:Real-time search, precision, slow speedtraverse all files in

"Sudo" is a very useful tool on the Unix/linux platform that allows system administrators to assign some reasonable "rights" to ordinary users to perform tasks that only superuser or other privileged users can accomplish, such as running some

Packaging and pressurization commands for different suffix compression packages. tarUnpacking: Tar xvf Filename.tarPackage: Tar cvf filename.tar DirName. gzDecompression 1:gunzip filename.gzDecompression 2:gzip-d filename.gzCompression: gzip

APF (Advanced Policy Firewall) is a software firewall in the Linux environment produced by Rf-x Networks, which is used by most Linux server administrators and is easy to understand and use with iptables rules.One, download, install APFLinux

Last Post we analyzed the basic knowledge and configuration of Rsyslog, following we continue to improve the next blog post, the final use of Rsyslog+loganalyzer+mysql deployment log server, to achieve the WebGui display of log information.

A lot of people do not know Linux, it is difficult, in fact, he and our usual operating system, as long as you remember the command on the line. The operation is relatively simple, if you put the PHP site he is the best performance of a server. You

Main () function, presumably everyone is not strange, from the beginning of the program, we began to write main (), we all know that main is the entrance of the program. That main as a function, and who calls it, how it is called, returned to whom,

‘!‘Symbols can not only be used as negative symbols in Linux, but can also be used to remove commands from a History command record or to run a command without modification. All of the following commands have been tested exactly in the bash shell.

This article discusses the routing subsystem of IPV4. (The IPv6 is different from the routing process).Basic conceptsThe routing subsystem works on layer three, which is used to forward ingress traffic.The routing subsystem mainly designs routers,

Transferred from: http://netsecurity.51cto.com/art/201311/417764.htmNow, password-based authentication is common online, and you may not be counting how many passwords you're using. In fact, according to the Norwegian Information Security Center

This is the student successfully get an offer, write the interview summary to share to other 20 period small partners, here also share to all 51 Bo friends, hope to everyone helpful!Directory ... 1first, the premise of preparation:... 1Second, the

Redmine-Installation notes I don't know why my colleagues are obsessed with Redmine. Instead, I gave an old machine to help me install it. I recorded some pitfalls that may help my friends.Install Ruby For windows, you can directly install it

Set dual-physical Nic to virtual Nic in Linux To provide high network availability, We need to bind multiple network cards to a virtual network card to provide external services. This can prevent a network card from being damaged or connection

Install postgresql 9.4 In CentOS I. Preface PostgreSQL, also known as Postgres, is a relational database management system applicable to various Linux operating systems, Windows, Solaris, BSD, and Mac OS X. PostgreSQL follows the PostgreSQL license

How to clear memory Cache, Buffer, and swap space in Linux Like any other operating system, the memory management implemented by GNU/Linux is not only effective, but also better. However, if any process is encroaching on your memory and you want to

Build a LAMP environment learning record under Ubuntu Server, named ubuntulamp I have learned some knowledge about linux over the past few days. Here I will record the learning records. # Stop the mysql service before data migration $ # Change the

Use Quota to create a disk Quota for Vsftpd 1. Add a 2 GB hard diskOpen VMware and click VM --- settings-add-Hard Disk ---- Create a new virtual disk-SCSI-disk size (GB) 2.0 ---- restart the VM System2. Verify the hard disk:[Root @ viong ~] #