To remove both the date and comment, you can add the below code in your theme’s style.css. (Use browser’s development tool to identify elements.) .post-details{display:none;} Instead of changing themes’s style.css it’s recommended to use child theme.
Hide admin bar in WordPress
Admin bar should appear only for logged user, but for some reasons it’s shown all the time. I tried few plugins, but remove the admin bar for all user, preventing frond end changes. To remove the admin bar only for
Multi Language WordPress Site
Polylang plugin https://wordpress.org/plugins/polylang/ does pretty good job. After activating the plugin all the content with no defined language disappears, so you have to manually specify the language for each post or pages. Also you need to create additional menus for each
SSH Tunneling
Very often and need to transfer files from machines behind firewall and in local virtual network. SSH tunneling in very simple way to do that. ssh -f username@remote.com -L 2222:internalIP:22 -N then I might user SFTP to localhost:2222
WordPress e-mail support
The issue was fixed by using WP Mail SMTP plugin https://wordpress.org/plugins/wp-mail-smtp/ and proper settingshttp://www.wpbeginner.com/plugins/how-to-send-email-in-wordpress-using-the-gmail-smtp-server/
Spark shell exit() does not stop SparkContext
Use :quit instead of exit or ctrl+c
How to increase swap space
Very simple and useful tutorial how to increase swap space. Source: http://askubuntu.com/questions/178712/how-to-increase-swap-space creat .img file sudo dd if=/dev/zero of=/swap.img bs=1M count=1000 note!: bs=1M count=1000 ==> 1GB (bs * count = size in megabytes ) other example : sudo dd if=/dev/zero