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Rebuild Docker containers

December 12, 2021

How to rebuild your application from scratch using Docker.

#!/bin/bash
docker-compose down -v
docker rmi $(docker images -a -q)
docker-compose up -d
docker-compose restart -t 10

#!/bin/bash docker-compose down -v docker rmi $(docker images -a -q) docker-compose up -d docker-compose restart -t 10

Steps

  • Purge the containers.
  • Delete docker images.
  • Reinitiate docker.
  • Restart docker.

Filed Under: Cloud, Linux Tagged With: application, containers, docker, docker-compose, down, rebuild, remove, restart, up

Tomcat Install

June 4, 2021

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

Filed Under: Misc Tagged With: apache, install, restart, server, start, status, stop, tomcat, web

Winbind Fix

May 24, 2021

Here’s the process to restore Winbind.

Restore old config.

cp /etc/sssd/sssd.conf-xxxxxxx /etc/sssd/sssd.conf
cp /etc/krb5.conf-xxxxxxx /etc/krb5.conf

cp /etc/sssd/sssd.conf-xxxxxxx /etc/sssd/sssd.conf cp /etc/krb5.conf-xxxxxxx /etc/krb5.conf

Disable SSSD. Authconfig creates /etc/nswitch.conf.

authconfig --disablesssd --disablesssdauth --updateall

authconfig --disablesssd --disablesssdauth --updateall

Start Winbind.

service winbind start; service smb start; service nmb start

service winbind start; service smb start; service nmb start

Filed Under: Linux Tagged With: disable, restart, restore, winbind

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