Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Report the number of PNG images in the directory 000 every 2 seconds.
watch "ls 000/*.png | wc -l"
Tips on Kerberos
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Installation
Ubuntu
apt-get install krb5-user
CentOS
yum install -y ntp yum install krb5-workstation krb5-libs krb5-auth-dialog
Issues
kinit: Permission denied while initializing Kerberos 5 library
It is likely due to the fact …
Hard Link, Symbolic Link and Bind Mount
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
https://unix.stackexchange.com/questions/198590/what-is-a-bind-mount
Change Modified Time of Files
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
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Change the modifiled timestamp of a file to the specified timestamp.
touch -m -t 201512180130.09 some_file -
Change the modified timestamp of a file to the current time.
touch -m some_file …
Configure Proxy for Apt
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Add the following lines into the file /etc/apt/apt.conf,
where proxy_server is the address/ip of the server
and port is the port of the proxy service.
Acquire::http …Shortcuts for KDE
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
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KDE supports the Win/Super key to bring up the application launcher now. If you are on an older KDE distributions which does not have it by default, you can get …