cloud engineer
JQ is a json processor. It’s for slicing and dicing data.
To install on GitBash, unzip the file and copy the executable to /usr/bin.
mv jq-win64.exe to /usr/bin/jq.exe |
mv jq-win64.exe to /usr/bin/jq.exe
Create an alias. Edit ~/.bashrc.
alias jq='/usr/bin/jq.exe' |
alias jq='/usr/bin/jq.exe'
Using JQ.
jq --version jq '.selfLink' vm.json |
jq --version jq '.selfLink' vm.json
Tomcat requires JRE.
wget jre-8uversion-linux-x64.tar.gz # or apt-get install default-jdk |
wget jre-8uversion-linux-x64.tar.gz # or apt-get install default-jdk
Install Tomcat 8 on Linux.
wget https://mirrors.gigenet.com/apache/tomcat/tomcat-8/v8.5.66/bin/apache-tomcat-8.5.66.tar.gz tar zxpvf apache-tomcat-8.5.66.tar.gz cd /opt/tomcat/apache-tomcat-8.5.66/bin/ ./startup.sh |
wget https://mirrors.gigenet.com/apache/tomcat/tomcat-8/v8.5.66/bin/apache-tomcat-8.5.66.tar.gz tar zxpvf apache-tomcat-8.5.66.tar.gz cd /opt/tomcat/apache-tomcat-8.5.66/bin/ ./startup.sh
Status|Start|Stop|Restart Tomcat.
systemctl status tomcat8 systemctl start tomcat8 systemctl stop tomcat8 systemctl restart tomcat8 |
systemctl status tomcat8 systemctl start tomcat8 systemctl stop tomcat8 systemctl restart tomcat8
How to install syslog-np on Centos 7.
cd /tmp wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm yum -y reinstall ./epel-release-latest-7.noarch.rpm chattr +i /etc/yum.repos.d/epel* yum -y install syslog-ng |
cd /tmp wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm yum -y reinstall ./epel-release-latest-7.noarch.rpm chattr +i /etc/yum.repos.d/epel* yum -y install syslog-ng
Enable syslog-np. Disable rsyslog.
systemctl enable syslog-ng systemctl start syslog-ng yum -y erase rsyslog |
systemctl enable syslog-ng systemctl start syslog-ng yum -y erase rsyslog