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How to create free ssl for website How It Works Let’s Encrypt is the first free and open CAWe generate certificates using their ACME server by using domain validation. Private Keys are generated in your browser and never transmitted.For browsers which support Web Cryptography (all modern browsers) we generate a private key in your browser … Read more
No space left on device: Couldn’t create accept lock (/etc/httpd/logs/accept.lock. If httpd service is starting properly but not able to access web services and you find No space left on device error in error log , check these items in order: 1. Check your disk space This comes first because it’s the easiest to check, and … Read more
Get URL Parameters With JavaScript The JavaScript function below parses and returns the parameters. function getUrlVars() { var vars = {}; var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m,key,value) { vars[key] = value; }); return vars; } Then is how you can pick a value from the url parameter. var number = getUrlVars()[“x”]; var mytext = getUrlVars()[“text”]; The … Read more
myisamchk: error: myisam_sort_buffer_size is too small MySQL Error while repair with myisamchk utility – recovering (with sort) MyISAM-table ‘tableName’ Data records: 10662929483 – Fixing index 1 myisamchk: error: myisam_sort_buffer_size is too small MyISAM-table ‘tableName’ is not fixed because of errors Try fixing it by using the –safe-recover (-o), the –force (-f) option or by not using … Read more
php include pages or files The include (or require) statement takes all the text/code/markup that exists in the specified file and copies it into the file that uses the include statement. Including files is very useful when you want to include the same PHP, HTML, or text on multiple pages of a website. It is possible to insert … Read more
Failed to start httpd server: Address already in use Error Message while restart on http service: Starting httpd: (98)Address already in use: make_sock: could not bind to address [::]:80 no listening socket available,shutting down unable to open log Solution: This error usually occurs when web server is using the port, here 80, or The clean … Read more
mysql create index on table CREATE INDEX Syntax Creates an index on a table. Duplicate values are allowed: CREATE INDEX index_name ON table_name (column1, column2, …); CREATE UNIQUE INDEX Syntax Creates a unique index on a table. Duplicate values are not allowed: CREATE UNIQUE INDEX index_name ON table_name (column1, column2, …); Note: The syntax for creating indexes varies among different databases. Therefore: Check the syntax for … Read more
History command in linux We will see how we can use history command effectively to extract the command which was executed by users in Bash shell. This may be useful for audit purpose or to find out what command is executed.
Download Question Paper MCS-013 Discrete Mathematics June 2018 MCS-013 Discrete Mathematics Download Question Paper MCS-013 Discrete Mathematics June 2018
Download Question Paper MCS-012 Computer Organisation & Assembly Language Programming June 2018 MCS-012 Computer Organisation & Assembly Language Programming Download Question Paper MCS-012 Computer Organisation & Assembly Language Programming June 2018