. Bash_pfofile and. bash_logout and. bashrc files

In Linux,. bash_profile,. bash_logout, and. bashrc files have special meanings for bash. When a user logs on or calls another bashshell, they provide a method to automatically establish the logon account environment and allow various commands to be

Use logrotate to manage iptables logs

Reading Tips: The logs in the Linux firewall are very helpful for debugging rules. you can see where the packages are going, what rules are processed, what rules are processed, and what kind of packages are processed. The following describes how to

Basic iptables configuration method

The system is installed by default. if not, run yuminstall-yiptables to start serviceiptablesstart or/etc/init. d/iptablesstart run the following command to view the iptables configuration: iptables-L-n or directly View/etc/sysconfig/iptables-config

Enable the CentOS system to close the firewall and open specific ports

I have mentioned that the newly purchased server of the company uses CentOS5.5. after deploying Tomcat, I found that I entered 114. 80. *. *: 8080 (ip: 8080), but the default Tomcat homepage cannot be displayed. Because it was previously deployed in

Use iptables to set forwarding

Previously, iptables was used for forwarding in the 2.4 era. I remember that I installed several Windows virtual machines and vmware virtual machines on linux to provide web services to guest machines, and use the ip address of the host machine. in

Configure static routes in iptables to use dual-network access

Iptables + static routing configuration of dual-network access author: unknown ----------------------------------------------------------------- iptables-tnat-APOSTROUTING-s192.168.0.0/24-jMASQUERADEiproutereplacede Iptables+ Configure dual-Internet

Iptables and squid classic configurations

Tutorial background xiaonuo built a web server and FTP Server internally. to meet the company's needs, it is required to use Linux to build a secure and reliable firewall. The specific requirements are as follows: 1. the firewall itself requires

Sambaclient running libreadline. so.6: undefinedsymbol: PC solution

Libreadline appears when sambaclient runs. so.6: undefinedsymbol: PC solution Q: www.2cto. comyuminstallsamba-client and then run smbclient. the following error occurs: smbclient: symbollookuperror:/usr/local/lib... When samba client is running,

LINUX host installation from the initial environment to configuration completion

The entire process from the initial environment to the completion of configuration for LINUX hosts has been reset and reconfigured for some reason. The following describes the complete installation process: from the initial environment to the

How to close the program on the linux console

In the linux console, program shutdown may occur. 1 & gt; dev/null2 & gt; & amp; 1 & amp; shell may often see: & gt;/dev/null2 & gt; the result of the & amp; 1www.2cto.com command can be defined in the form of % & gt;. output/dev/null indicates an

Shell script syntax -- if/then/elif/else/fi

Shell script syntax -- if/then/elif/else/fi is similar to the C language. in Shell, use commands such as if, then, elif, else, and fi to implement branch control. This process control statement is essentially composed of several Shell commands, such

Gentoo, Debian, and FreeBSD software package management competition

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

Fatalerror: Class 'ziparchive 'notfound solution

When uploading an Excel file and displaying the output file under Linux today, the ZipArchivelibraryisnotenabled exception is thrown. While the code on my local windows server runs normally. The reason is: there is no php_zip.dll file in Linux (it

Use the find command in linux to find files based on system time

The find command has several options for searching files based on your system's timestamp. These timestamps include the last modification time of the mtime file content. the time when the atime file is read or accessed, the ctime file state change

In Linux, the application is displayed as square.

In Linux, the application is displayed as a square for java applications in Linux (I use ubuntu). If a Chinese character is entered in the UI, it is displayed as a square, although there is no problem in final output or file generation, the input in

How to install the classic GNOME desktop in ubuntu12.04

How to install the classic GNOME Desktop default ubuntu12.04 default unity desktop in Ubuntu12.04, some users do not like the Unity desktop, so they want to retrieve the classic Gnome desktop. Install www.2cto.com, open the terminal, and enter the

Concise Linux command line Notes 5: rm

Concise Linux command line Notes 5: rmrmwww.2cto. comrm can be used to delete files or directories 1. usage rm [option]... file... 2. if the common parameter-f is not prompted, force delete the file-r or-R recursively delete the Directory-I delete

Getting started with linux network configuration

Getting started with linux network configuration (I) network interface www.2cto.com ① naming rules linux kernel specifies different prefixes for interface names based on the interface type, each interface will be allocated a number from scratch...

Handle freetype installation errors in ubuntu12.04

Ubuntu install freetype error handling configure: creating./config. statusconfig. status: creatingunix-cc.mkconfig.status: creatingunix-def.mkconfig.status: creatingfreetype-confi Error handling of freetype installation in ubuntu12.04 configure:

Enable serial redirection on DELLR610

On DELLR610, I started serial port redirection and had to do O & M work today. I had to work around for three hours. The DELL management card is provided on DELLR610. you can enable IPMIoverLAN and iDRAC6overLAN, and enable serial port redirection.

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