So you’re a fully signed up ‘tin foil hatter’ and you have an old app that communicates over the internet but doesn’t use SSL? Not to worry, there is a solution for you and its called stunnel. Stunnel is available for both Linux and Windows, and simply put creates an SSL tunnel from one machine…
Debian based systems use the file /etc/hostname to read the hostname of the computer at boot time and set it up using the init script /etc/init.d/hostname.sh We can edit the file /etc/hostname and change the hostname and then run: /etc/init.d/hostname.sh start Steps: 1. sudo vim /etc/hostname 2. Save the file with the hostname you like…
JAVA_HOME=$(readlink -f /usr/bin/javac | sed “s:bin/javac::”)
So you logged in a box and your keys are messed up ? loadkeys uk or loadkeys us Other maps also there .. nJoy 😉
Introduction As of 0.20, Hadoop does not support automatic recovery in the case of a NameNode failure. This is a well known and recognized single point of failure in Hadoop. Experience at Yahoo! shows that NameNodes are more likely to fail due to misconfiguration, network issues, and bad behavior amongst clients than actual hardware problems. Out of fifteen grids…
Simple fix : sudo apt-get install libgstreamer-plugins-base0.10-dev libgstreamer0.10-dev libglib2.0-dev nJoy 😉
So reason : double checking Sawmill and AWstats. (sawmill won..) echo “$(awk ‘{print $10}’ prd.logs | grep -v “-” | paste -sd + – | bc )/1024/1024/1024″ | bc result is in GB. nJoy;
We had a problem on a server df would hang and we knew that a cifs / samba share died and recovered. Trying unmount / with any parameters -l -f failed. Experience and google told us we need to reboot. This is a remote server and we know the shutdown hangs on going down so…
zenity –info –text ‘You alert message’ This works on ubuntu and mint .. YMMV Simple nJoy 😉
Great tool for checking ethernet NIC information in linux: ethtool In ubuntu you might need to install it like so : sudo apt-get install ethtool The tool is easy to use: Use ifconfig -a to list nics then root@wo1:~# ethtool p4p1 Settings for p4p1: Supported ports: [ TP ] …
