Trying to dump mysql databases (especially after mysql 5.1), it is possible to get the error mysqldump: Got error: 1449: The user specified as a definer ('root'@'%') does not exist…
JSON is a data format (possible the most) suitable for use with javascript, especially on ajax operations. Some characters in strings have to be escaped, otherwise json cannot be parsed and an error will…
You can search for a certain package in a Debian system using dpkg. dpkg --list "package_name" Example Give the command dpkg --list "apache2*" the result looks like: Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend…
To find out system CPU is 64-bit capable or not, use /proc/cpuinfo. cat /proc/cpuinfo | grep flags If result contains "lm" (Long Mode), system CPU is 64-bit capable. As an…
To find out if you are running a 64-bit or 32-bit kernel, uname command is enough: uname -m If the result is "x86_64", you are running an 64-bit kernel"i686" means…
