zeldor.biz

Linux, programming and more

Mac OS X 10.8 flush DNS cache

by Leave a Comment

DNS-Cache

I came across this Apple specific DNS cache situation this morning.
I changed a DNS record for my GIT-server and was trying to access it again, the DNS was still showing the old IP-Address. After some attempts to clear Linux DNS cache with “rndc flush” I recognized that dns is was cached by my Mac.

Mac OS X keeps a local cache of successful resolved DNS queries for a time defined by the DNS server.

To clean DNS Cache in Mac OS X versions 10.7 and 10.8, run this command from your Terminal:

1

sudo killall -HUP mDNSResponder

VNC client Mac OS X

by Leave a Comment

If you try to find a VNC client on MAC OS X you can spend a lot of time but you will not find it, but it there in the core) But, its hidden, security reasons – for sure;)

Open Finder -> Select Go -> Connect to Server…
or simple ⌘K combination

Now like in this screenshot example:

Its really easy – but all this steps must be hidden to have a great feeling of success – apple;)

Fix locale issues in Mac OS X

by Leave a Comment

I faced a problem with locales in terminal on Mac OS X Lion. Midnight Commander didn’t want to display Cyrillic symbols in filenames and directories, on my remote media-Server I’ve been getting messages like “warning: setlocale: LC_CTYPE: cannot change locale (UTF-8)”. The solution is fairly simple – add these two lines to ~/.bash_profile (by default is seems to be missing, so create the file):

1
2
3
4

ids:~ id$ cat .bash_profile 
 
export LC_CTYPE=en_US.UTF-8
export LC_ALL=en_US.UTF-8