If you find that /boot in your Ubuntu is full of you can clean up all old versions with following command: sudo apt-get remove –purge $(dpkg -l ‘linux-*’ | sed ‘/^ii/!d;/'”$(uname -r | sed “s/\(.*\)-\([^0-9]\+\)/\1/”)”‘/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d’) Another command may work for others: dpkg -l linux-{image,headers}-“[0-9]*” | awk ‘/^ii/{ […]
Author Archives: admin
DIG command to list DNS domain info in full
I need to do this rarely so I find I have to read man pages on Linux or search the net each time I need to do get list of all domain records. So you can use DIG on say Linux as follows: dig +nocmd yourdomain.com any +multiline +noall +answer Or you can try this […]
Amazon AWS Email limitis
I had an issue recently raised that when we tried to send a bulk email report to over 1000 users there was a significant delay in their delivery between first and last email. Upon investigation at first the issue looked like the connectivity from the recipient’s end to be the culprit. However on more detailed […]