Linux

As a temporary reverse proxy, FreeBSD has sent two old servers to the data center. But it took some time to configure munin, mainly because of IP Address Configuration problems. Www.2cto.com uses Dell 1950 as a temporary reverse proxy to process

Configure the Network configuration file www.2cto.com (1)/Etc/Sysconfig/Network under the tcp ip Network Linux in LINUX: This file contains the basic Network information of the host, including the host name, and is mainly used for system startup. (2)

Linux ssh server configures rsa login authentication principle: the Key is equivalent to a key, and the Public Key is equivalent to a lock. Of course, we use the key to unlock the key. In the same way, we put the key on the local server, that is,

The package management mechanisms of Gentoo, Debian, And FreeBSD are very similar. Gentoo and Debian are my favorite Linux distributions, one is naturally an excellent development platform, and the other is undoubtedly the preferred product for both

Like other advanced languages, Shell provides commands for controlling program processes, including condition branches and loop structures, you can use these commands to create a very complex program www.2cto.com. Unlike traditional languages, Shell

Common Shell scripts for Linux O & M (with annotations) in Linux daily O & M, shell scripts are essential tools for every it o & M personnel. They are proficient in compiling shell scripts in the production environment, it can help us complete daily

Linux git command can be abbreviated to open. edit the git/config file as follows: conf code www.2cto.com [merge] summary = true tool = vimdiff [diff] renames = copy [color] diff = auto status = true branch = auto interactive = auto ui = auto log =

Linux shell test usage 1) determine the expression www.2cto.com if test (the expression is true) if test! Expression is false test expression 1-a expression 2 both are true test expression 1-o expression 2 two are true 2) judge the length of the

Knowing that the Linux system service setup selects www.2cto.com service, which is a resident memory process, services must have corresponding daemon (daemon process). daemon has two categories: stand_alone: always in memory, fast response super

In terms of accounts, UID/GID may be closely related to permissions. At the same time, you should pay close attention to these two points during manual Account creation and understand what you are doing. The installation and creation of pure numbers

SWAP is called a SWAP zone, which is equivalent to the virtual memory in Windows. Its function is to increase the memory through SWAP when the memory in our system is insufficient. When we install the Linux system, the root and SWAP are the most

After installing oracle, you need to create an oracle System User and add several environment variables in. bash_profile under/home/oracle: ORACLE_SID, ORACLE_BASE, ORACLE_HOME. For example:Export ORACLE_SID = test export ORACLE_BASE =

Common Operating System questions (answers for reference only)1. What is interruption? What does the CPU do when it is interrupted?Interruptions refer to any unusual or unexpected emergency handling event in the system during computer execution,

/Proc is a virtual file system. We can use its read/write operations as a means to communicate with the kernel object. in other words, you can modify the file in/proc to adjust the current kernel behavior. then we can release the memory by adjusting/

PrefaceIf you see this article, it means that you are not very familiar with Linux, so I am confused and I think it is also suitable for you. One of my beginners, for our beginners, theory and practice are very important. After reading the theory,

1. Modify the following file vi/etc/sysconfig/vncservers:Remove the comment of the last two linesChange to the followingVNCSERVERS = "1: root"VNCSERVERARGS [1] = "-geometry 800x600" 2. Modify vncmimVncpasswd 3. modify the configuration file[Root @

I,NAT: Destination Address Translation II,Be sure to load this module on Director machine !!!Modprobe iptable_natNOTE: If your Realserver is an xen virtual machine.Modprobe iptable_natIii. Configuration:1. Prepare five RHEL5U52. iptables-F: clear

Hard DiskHard Disks are media that can store a large amount of information resources. We usually see that the hard disk is a very heavy iron, but in fact the hard disk is round, with some control circuit, in order to facilitate the carrying and

==============================-PROC file system Introduction============================== ; Display memory information, corresponding command: vmstat/free$ Cat/proc/meminfo$ Cat/proc/vmstat$ Cat/proc/vmmemctl ; Display device information$

Linux Deploy Rails3 with Ruby1.9.2 (4) Configure the rails in Apache2 Change the configuration of apache2> Vi httpd. confLoadModule passenger_module/home/luohua/.