Linux

## Change ssh keysssh-keygen -t rsa -b 4096 echo “Regenerating SSH Host keys…” rm -rfv /etc/ssh/*key* /sbin/service sshd restart

First remove existing ImageMagick library: yum -y remove ImageMagick* && cd /root && rm -f ImageMagick.tar.gz Download and install the latest stable version: yum -y

find -L ./ -iname ‘*die*’

# send direct postqueue -f # requeue postsuper -r ALL

find <dir> -maxdepth 1 -type d -name ‘*foo*’ -print -quit

date Mon Dec 30 13:13:18 EST 2013 ln -sf /usr/share/zoneinfo/CET /etc/localtime date Mon Dec 30 19:15:49 CET 2013

cd /root && yum -y groupinstall “Development Tools” && wget https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/ioping/ioping-0.8.tar.gz && tar zxvf ioping-0.8.tar.gz && cd ioping-0.8 && make && make install Test on

vi /root/.bash_profile Add: alias cp=’cp -i’

dd if=/dev/zero of=./zero bs=1M; sync; rm -f ./zero

dmidecode –type memory # dmidecode 2.11 SMBIOS 2.7 present. Handle 0x1000, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: