Run Docker image​

Syntax: docker run  

Ex.: docker run -it jboss/wildfly

Where.: * -i = interactive mode * -t = pseudo tty redirected to current tty

List Running docker instances​

docker ps

List all docker instances​

docker ps -a

Access docker shell​

docker exec -ti --user user_id bash

Ex.:

docker exec -ti --user root 43c bash 

Just include the following arguments to JAVA_OPTS or command line:

 

-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=4060

Where 4060 is the port number you will use to debug.

Example of use:

[user@localhost ~]$ $JBOSS_HOME/bin/standalone.bat -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=4060

Checking currently established connections​

    netstat -na | grep 'ESTA' | wc -l 
    #or
    netstat -an | grep :80 | grep -i EST | wc -l

Checking currently TIME_WAIT connections​

    netstat -nat | grep TIME_WAIT | wc -l

Checking total httpd processes​

    ps -aux | grep httpd | wc -l

Number of IP connections and IPs connected to port 80, use the following command.​

    netstat -plan|grep :80|awk {'print $5'}|cut -d: -f 1|sort|uniq -c|sort -nk 1

1. Preparing our environment

   sudo -s
   dnf -y install @development-tools 
   dnf -y install binutils rpm-build fedora-packager chrpath
   

2. Download installer

   wget -c https://raw.githubusercontent.com/kuboosoft/spec-testing/master/SRPM/genymotion-rpm
   
   chmod a+x genymotion-rpm
   
   ./genymotion-rpm
   

3. Installing

   sudo -s
   dnf install $HOME/rpmbuild/RPMS/$(uname -m)/genymotion*.rpm
   

4. Enabling libgcrypt11

   sudo dnf copr enable red/libgcrypt.so.11
   sudo dnf install compat-libgcrypt
   sudo dnf upgrade qt5-* -y
   

#PULLING SUBMODULES

    git submodule sync --recursive &&   git submodule update --init --recursive

Use the split command, like following:

 split --bytes=5m catalina.out catalina.out. -d

In this example, the catalina.out file wil be split in small pieces of 5mb