Watch Logfiles
Watch a text file as it grows:
tail -f logfile.txt
Print out iso date format
date --iso-8601=minutes
produces for example 2016-10-21T19:53+02:00
SSH Tips
Run ssh-agent in remote login
When you log into a machine with SSH and want to use a SSH key to do further stuff, like managing a remote git repository, you may have to
eval $(ssh-agent -s)
ssh-add ~/.ssh/your_ssh_idaccording to this site. Then the shell remembers your SSH key as long as it is open.
CentOS 7 Tips
Manage additional Repositories For CentOS 7 there exist additional repositories; for additional codecs for example. This website lists the most useful ones. I use the Nux-Dextop repository but I don’t want to have it turned on the whole time.
So I use
sudo yum-config-manager --enable nux-dextop to enable this repo. And when I’m done installing or updating with yum, I use
sudo yum-config-manager --disable nux-dextop to disable this repo again.
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Dropbox in CentOs 7
Install Dropbox in CentOS 7 This website has a nice overview over the installation process. First, you need to
sudo yum install libgnome and then download the Dropbox Fedora (.rpm) package from Dropbox and install it with
sudo rpm -ivh nautilus-dropbox[...].rpm Then you can start Dropbox and log in with your accound details.
Repair package manager yum If you use yum (e.g yum update) after Dropbox installation, you will probably encounter an error that a certain .
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Bash Aliases
Aliases for command line in .bashrc In ubuntu the .bashrc file has a command that looks for ~/.bash_aliases and includes it. Here you find my .bash_aliases file with useful aliases.
This is the code in the .bashrc file:
# Alias definitions. # You may want to put all your additions into a separate file like # ~/.bash_aliases, instead of adding them here directly. # See /usr/share/doc/bash-doc/examples in the bash-doc package. if [ -f ~/.
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