The following are some concise bash programming skills which we may need in our daily programming work.1. Check status of command execution The usual way:echo abcdee | grep -q abcd if [ $? -eq 0 ]; then echo "Found"else echo "Not found"fiConcise way:if echo abcdee | grep -q abc; then echo "Found"else echo "Not found"fiOf course you can remove if...else with following code[Sun Nov 04 05:58 AM] [kodango@devops] ~/workspace $ echo abcdee | grep -q abc && echo "Found" || echo "Not found"Found2. Redirect standard out and standard error to /dev/nullThe usual way:grep"abc" te...

Email is now becoming one necessity of working. We may receive hundreds of emails everyday, they may from our colleagues, friends or clients. We need to exchange ideas, arrange meetings , asking for help etc though email in our work. A proper email can help us achieve what we want to achieve. Here we share some tips for writing a proper email.At the beginning of an email : Thank the reader is a good way to start the email, thank the reader may make the reader feel happy, especially when you ask for some help later.Some commonly used sentences for starting an email:Thank you for contacting us. ...

A .htaccess file is a directory-level configuration file supported by several web servers, that allows for decentralized management of web server configuration. What can a .htaccess file do? We summarized some of them here.  Hope it may help you. 1. Timezone settingSometimes when you use date() or mktime() functions in PHP, , it may display some weird information because of the timezone difference. For example, one possible warning is :Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone...