1、Modify / etc / profile
1.1 :First, set the environment variable in this file;
1.2:Run the export command to load the new environment variable settings good environment variable.
#vim /etc/profile
2、Modifying .bashrc
# vim /root/.bashrc
export PATH=”Variable Path
3、Modified directly with the export command in a shell
#export PATH=”$var_PATH”
#ex[……]
Sometimes，We add a startup item but can not find in the "Preferences" in the "Users & Groups" and "Login Items" in the，This is for the future to remove these startup items increased when a lot of trouble - like those pkg package can not be uninstalled like。On how to uninstall the OS X package pkg，I have written two articles，You can easily comeHereandHereLook。
All right，With regard to the startup items，In addition to viewing preferences among foreign，You can also go to the following directory View
/Library/LaunchDaemo[……]
Using the GAE engine in OS x to science onlinegoagentorwallproxy，May occur during the boot process the following error then the service does not start successfully。
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socket.error: [Errno 48] Address already in use //如上报错，错误号48；端口已被占用。 |
Actually it is because you have to start the same or similar services for the port，usually，Start with Python on the Mac directly，Causes an exit is not complete，You can't GUI by clicking on the "exit" button to stop，Backstage[……]
In the new version of OS X,，No FTP server，Preferences among，Share file-sharing inside retaining only Apple's own AFP, and is compatible with Microsoft samba，This allows sometimes need to transfer files to and some of the equipment becomes tricky。
The software is quite good，full functioning，From the user to the virtual directory permissions to everything，You can definitely cope with the vast majority of demand for FTP equipment，Such as ZTE EPON C200, etc.，Huawei Cisco God horse。
Software interface as shown in the Preamble - This is a free[……]
To talk about unix / linux for file operations in these functions，These functions for linux basically meet our requirements in any document，
First talk about the open function
In linux you want to operate on the file must first open the file and then the corresponding processing，Why should we do it? That is because the process and not directly manipulate files between，To process the file first to use the system call between processes and documents connected to a resume operations，This connection becomes a file descriptor，Called as a process leading to the kernel by the kernel[……]
The new updated version of the flash in some cases require a lot of courage，For example, yesterday，After routing update Flash version of Safari has led to the collapse can not afford。
If you're not careful and I encountered the same problem，Then you can followHereThe official way to manually remove the plug，If you bother to look into the points，Now I write that
If your system is 10.6-10.9 version，Then you can try to download the official uninstaller to uninstall Flash。
[Downlin[……]
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(2014年04月23日10:21:08修订)//（2014年04月29日19:16:30修订） 假定已创建VLAN200；配置好宽带ont6 //开启全局组播： ZXAN(config)#igmp enable //开启对应onu端口组播： ZXAN(config)#interface epon-onu_0/1/1:6 ZXAN(config-if)#igmp enable ZXAN(config-if)#igmp version v2(v3)//版本根据实际情况选择 ZXAN(config)#igmp mvlan 200//创建组播VLAN ZXAN(config)#igmp mvlan 200 enable//激活组播VLAN ZXAN(config)#igmp mvlan 200 work-mode snooping//运行模式为监听 ZXAN(config)#igmp mvlan 200 source-port smartgroup1 //设置组播源 ZXAN(config)#igmp mvlan 200 receive-port epon-onu_0/1/1:6 //设置接收源 ZXAN(config)#igmp mvlan 200 group 224.1.1.1//配置组播地址 ZXAN(config)#igmp mvlan 200 group 224.1.1.1 bandwidth 10240//配置组播带宽 |
[……]
ZTE c200 broadband services following configuration summary records(2014On April 23 10:14:44Revise)(April 29, 2014 19:13:31Amendment)
[code lang=”c”]//Sign board：
ZXAN(config)#add-rack rackno 0 racktype ZXPON
ZXAN(config)#add-shelf shelfno 0 shelftype ZXA10C200-A
FROM[……]
UnixLittle understanding of architecture
It can be defined as a software operating system in the strict sense，The software controls the computer hardware resources，Provider operating environment for personal understanding of hardware and software wealthy。We call such software kernel (kernel），It is relatively small，Located in the center of the environment
Kernel system call interface is called (system calls) Shared libraries built on top of the system call interface，Applications can either use the shared library，You can also use the system call。
ShellIt is a special application[……]
