umask? What?
What is umask command use for in linux/unix system?
umask is uses to set the default file or directory permission when a user create a new file or directory. By default, when a user created new file/directory, Read the rest of this entry »
There are few shell scripts I need to run when I log on to my server. One of my favorite is to use screen to launch the scripts when I log on to the server or using screen to access multiple screen. screenrc file does help me on this, I can build my own screenrc file and update screenrc file whenever I have new script or command wanted to run when I log on to the server. Here is how I configure your personal screenrc file. Read the rest of this entry »
Check DNS Record with Dig Command
How do you find out a domain name A record, CName Record, MX record via command line? How to find out a domain name Time To Live and calculate when will the next refresh will happen? Dig command will give you the magic details how does a domain name record is configured. Read the rest of this entry »
After I have done PostgreSQL upgrade through MacPort, the database refused to start and system generated crash report. The crash report generates by Apple doesn’t give much clue what was happening. Read the rest of this entry »
Usually I perform portupgrade daily on some of my FreeBSD Servers, not all at once of cause. This afternoon I came to a problem when performing upgrade for Perl 5.8.9 Read the rest of this entry »
