containers HOW TO LIST ALL TAGS OF A DOCKER IMAGE DOCKER SEARCH To search a image on docker remote registry you can use docker search command. Example: root@googlinux.com:~# docker search ubuntu NAME DESCRIPTION STARS OFFICIAL AUTOMATED ubuntu Ubuntu is a Debian-based Linux operating s... 4482 [OK] ubuntu-upstart Upstart is an event-based replacement for ... 65 [OK] rastasheep/ubuntu-sshd Dockerized
docker HOW TO UPDATE ALL DOCKER IMAGES Docker does not have a command to update images that you have already pulled. The only way is to pull all images again using docker pull command. This simple one-liner can help you update all images at once. docker images |grep -v REPOSITORY|awk '{print $1}'|xargs -L1
Linux BASIC LINUX SYSTEM COMMANDS SOME BASIC LINUX SYSTEM COMMANDS -------------------------------------------------------------------------------- DISPLAY LINUX SYSTEM INFORMATION [root@web-server ~]# uname -a Linux web-server.novalocal 3.10.0-229.4.2.el7.x86_64 #1 SMP Fri Apr 24 15:26:38 EDT 2015 x86_64 x86_64 x86_64 GNU/Linux DISPLAY KERNEL RELEASE INFORMATION [root@web-server ~]# uname
Linux SHELL SCRIPTING - ARGUMENTS / POSITIONAL PARAMETERS In this series of Shell Scripting, today we discuss about command line arguments also know as positional parameters. To handle options on the command line, we use a facility in the shell called positional parameters. Positional parameters are a series of special variables ($0 through $9) that contain the contents
Linux BASH SCRIPTING BASICS > No programming language is perfect. There is not even a single best language; there are only languages well suited or perhaps poorly suited for particular purposes. --Herbert Mayer The default shell in most of todays linux distribution is Bash (Bourne-Again shell). A shell script is a "quick-and-dirty" of completing long
Linux CLEARING DMESG LOGS ABOUT DMESG dmesg is used to examine or control the kernel ring buffer. The main purpose of dmesg is to display kernel and boot messages. This simple commands can help you save & clear your old dmesg buffer. root@fa498b2ed935:~# dmesg |tail [0.000000] device veth0624ab4 left promiscuous mode [0.000000]
Linux WORKING WITH VIM CURSOR MOVEMENT * h - move left * j - move down * k - move up * l - move right * w - jump by start of words (punctuation considered words) * W - jump by words (spaces separate words) * e - jump to end of words (punctuation considered words) * E - jump to
