This is a first attempt to create a clustered/cloud application on virtual machines running on bare metal(s). Host machine may be any Linux distribution which supports KVM. I used Linux Mint 18 in this case as KVM host. You can use more physical machines with oVirt or other virtualization technology. On virtual machines (VMs) was… Read More: Kubernetes #1 – Basic install »
Serve current directory tree at http://$HOSTNAME:8000/ $ python -m SimpleHTTPServer Currently mounted filesystems in nice layout $ mount | column -t Get your external IP address / host / user agent / port from http://ifconfig.me/ $ curl ifconfig.meor$ curl ifconfig.me/ip$ curl ifconfig.me/host$ curl ifconfig.me/ua$ curl ifconfig.me/port Execute a command at one, given time $ echo… Read More: Tricks in command line »
Sometimes you need to upload from command line to you Nextcloud storage. You can do it with a simple curl command. At first you have to create a shared directory in your Nextcloud with “Allow upload and editing” share option. You will get a share link for example: https://nextcloud.myserver.com/index.php/s/gz8BS7mtxGbwkQB The string “gz8BS7mtxGbwkQB” will be used… Read More: Save file to your Nextcloud from bash »
An alias is nothing but the shortcut to command or group of commands. It allows to use options and filenames. You can add your own user-defined aliases to ~/.bashrc file. You can cut down typing time with these aliases, work smartly, and increase productivity at the command prompt. More about aliases Use alias command without… Read More: Useful Bash aliases »
Some best practices hint page for bas scripting. Best Practices for Writing Bash Scripts from Kevin van Zonneveld Bash3 Boilerplate from Kevin van Zonneveld 10 Tips for Writing Efficient Bash Scripts SHELLdorado Tips & Tricks
When you run a command using sudo in Linux, the Terminal prompts you to type in your password with no visual feedback as you type. We’ll show a quick tweak that will show asterisks (*) when you type in your password in the Terminal. Just run visudo and set the row Defaults env_reset to Defaults … Read More: How to make password asterisks visible in the terminal window… »
Prerequisites installed sysbench package installed MySQL server root access to MySQL server (for creating and dropping database) Create test database root@server:~# mysql -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2544 Server version: 5.6.28-1 (Debian) Copyright (c) 2000, 2015, Oracle and/or its affiliates. All… Read More: MySQL benchmark on Debian server »
How do I run custom command after ‘apt-get upgrade‘ or ‘apt-get dist-upgrade‘ on a Debian or Ubuntu Linux based system? How do I hook a script to apt-get command on my Ubuntu Linux server? You can configure the apt-get command using /etc/apt/apt.conf file or place configuration in a special directory at /etc/apt/apt.conf.d/. More in nixCraft.… Read More: How to run a command or script after running apt-get… »