best online technical support

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Article Title: 11 common technical support issues in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Answers the eleven frequently asked questions in Linux technical support,

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know how to convert GBK to UTF-8, can not reload, conversion over, because they will not, on the silly run to DZ official forum sent an article called "Help me to help me convert GBK to Utf-8, my server does not support GBK" I foolishly thought dz such a forum should have specialized technician assistance, as to their name, I do not know, I called them Forum Help Group, the results of the post sent out, no one responded, only one reply, ask, what is

mysqld。。。。 Set to self-boot:Chkconfig--level 345 mysqld on。。。。 Add the MySQL command to the environment variablePath= $PATH:/usr/local/mysql/bin。。。。 Can still be valid for reboot:Echo ' path= $PATH:/usr/local/mysql/bin ' >>/ROOT/.BASHRC。。。。 If you need to open port 3306Iptables-i input-p TCP--dport 3306-j ACCEPT。。。。 If the MYSQLD service is running correctly, but the execution of the MySQL command times the following error:: Error 2202 (HY000): Can ' t connent ....The solution is to create a so

In the Yat Orange stayed less than two years, the development of the backend have developed interface API, to several libraries, a lot of back-end development and front-end communication is still sent Doc documents, very inconvenient, I respond to the CTO, I find this, fellow Tinre (PHP, Next door village) also used, may be some reason to choose Other, If a company is not bound by the itinerary, the development document will not be satisfied.I personally think there is always better than no stro

Microsoft online exam for technical posts in 2014, post in 2014 DescriptionFor this question, your program is required to process an input string containing only ASCII characters between '0' and '9 ', or between 'A' and 'Z' (including '0', '9', 'A', 'z '). Your program shocould reorder and split all input string characters into multiple segments, and output all segments as one concatenated string. The follo

, according to their own thinking to writeI know the problem. Address: https://www.zhihu.com/question/24905007Use DFS (deep search) to traverse all possible scenarios and filter out the impossibleFirst, use an array to list the things that can't happen.filter[1][3]=filter[3][1]=2;filter[4][6]=filter[6][4]=5;filter[7][9]=filter[9][7]=8;filter[1][7]=filter[7][1]= 4;filter[2][8]=filter[8][2]=5;filter[3][9]=filter[9][3]=6;filter[1][9]=filter[9][1]=5;filter[3][7]=filter[7][3 ]=5;And then the deep sea

Recently, I translated the book high performance web sites, which was published by the publishing house as "high performance website construction Guide". This book has already been discussed on the Internet. It is indeed a rare book. I just boast more here. The following are some links to this book (the purchase link will be released after the Chinese version is listed ): O'reilly's link to this book: http://www.oreilly.com/catalog/9780596529307/ The author of this book provides the Webs

Label:Performance tuning is a task that every DBA can encounter in his careerBig to the World 500 strong core system, small to the township enterprises of the invoicing, almost will have to tune the timeFaced with a variety of systems, a wide range of needs, the means of tuning is also colorfulLocating the problem, analyzing the problem, solving the problem, is indispensable, and the method is diverse, and the effect is different.determining baselines is the first major task in the communication

well, how to partitionMy partition here is as follows:HDD Total 20GFile system type: Swap size: 4096 other options defaultmount point:/File system type: Ext4 Size: Use all available space the other option defaults(For official production of the server, it is important to remember that the data disk must be partitioned separately, to prevent system problems, to ensure the integrity of the data.) For example, you can divide a/data to store data. ）After the partition is created. Click Next to prom

Citation: http://support.chinaccnet.com/archives/6240.htmlOften encounter some web users to do advisory server Support Online number of questions, here to do a brief introduction. Non-technical discussion, if there are omissions or errors, please forgive and guide.In the case of a common single-channel server, the CPU handles multiple processes, not at the same t