I get lots of e-bills (utility, telephone, Internet, mobile, cable and so on) in a PDF format for my small business and I need to forward those to my accountant. However, all PDFs files are password protected. I don’t want to share my account password with anyone to just open my bills. Evince is a PDF document viewer capable of displaying password protected files but it cannot remove the password. How do I remove a password from all PDFs under Ubuntu or any other Linux distribution in a batch mode?
I‘d like to set my Macbook as a router for my other desktop computer. How do I set NAT and port forwarding under MAC OS X? How do I forward ports using OS X for BitTorrent clients?
How do I disable unnecessary services under Mac OS X to secure my Mac OS X based desktop / server / laptop?
BIND9 dynamic updates allow remote servers to add, delete, or modify any entries in my zone file. How do I disable dynamic updates under BIND 9 (named) for any zone?
I‘d like to make / file system backup but the problem is there are other file systems mounted under / such as:
/mnt/cdrom
/mnt/nfs
/iscsi
/boot
/var
I’d like to skip all other file systems mounted at / and only make backup of local / and not /boot, /var, /iscsi, and /mnt/cdrom etc. How do I force tar to use a single file system under Linux / UNIX / BSD operating systems?
How do I read a file line by line using KSH shell scripting under UNIX like operating systems?
I‘m using Logwatch for reporting on unusual items in syslog. I’ve central logserver up and running. All other Linux servers send logs to a remote loghost called log.example.com. How do I configure Logwatch on the central log server so that it will send daily logs messages in a single e-mail?
