Common Error in CentOS: Failed to set locale, defaulting to C

Failed to set locale, defaulting to C You can see this often in CentOS because you never set the locale for your Linux. You can try this [code lang=”bash”] echo "export LC_ALL=en_US.UTF-8" >> /etc/profile export LC_ALL=en_US.UTF-8 export LANG=en_US.UTF-8 export LANGUAGE=en_US.UTF-8 export LC_COLLATE=C export LC_CTYPE=en_US.UTF-8 [/code] Then disconnect and reconnect to your bash.

How to uninstall mongoDB in CentOS

Depends which version of MongoDB are you using. Normally can remove by using yum. [code lang=”bash”] yum remove mongo-10gen mongo-10gen-server [/code] or [code lang=”bash”] yum remove mongo-10gen-2.2.3 mongo-10gen-server-2.2.3 [/code]

MongoDB Error: exception in initAndListen std::exception: boost::filesystem::exists: Permission denied: “/sys/devices/system/node/node1”

I found this error while installed yum install mongo-10gen-2.2.3 mongo-10gen-server-2.2.3 in CentOS 6.4 64bit Wed Oct 16 16:19:08 [initandlisten] MongoDB starting : pid=22457 port=27017 dbpath=/var/lib/mongo 64-bit host=xxxxxxx.net Wed Oct 16 16:19:08 [initandlisten] exception in initAndListen std::exception: boost::filesystem::exists: Permission denied: “/sys/devices/system/node/node1”, terminating Wed Oct 16 16:19:08 dbexit: Wed Oct 16 16:19:08 [initandlisten] shutdown: going to close …

MongoDB Error: exception in initAndListen std::exception: boost::filesystem::exists: Permission denied: “/sys/devices/system/node/node1” Read More »

MongoDB Error: about to fork child process, waiting until server is ready for connections.

I tried to install MongoDB to CentOS 6.4 64Bit and found the error while I launch mongodb like this: [code lang=”bash”] numactl –interleave=all /usr/bin/mongod -f /etc/mongod.conf [/code] Here are the error code. [code lang=”bash”] about to fork child process, waiting until server is ready for connections. forked process: 9713 Wed Oct 16 02:00:00.640 terminate() called, …

MongoDB Error: about to fork child process, waiting until server is ready for connections. Read More »

Script for optimizing images in a directory (recursive) in Linux

#!/bin/sh # script for optimizing images in a directory (recursive) # pngcrush & jpegtran settings from: # http://developer.yahoo.com/performance/rules.html#opt_images # pngcrush for png in `find $1 -iname “*.png”`; do echo “crushing $png …” pngcrush -rem alla -reduce -brute “$png” temp.png # preserve original on error if [ $? = 0 ]; then mv -f temp.png $png …

Script for optimizing images in a directory (recursive) in Linux Read More »