So you’re a digital photographer, videographer, graphics designer, or other creative? Are you faced with choosing a computer for digital photography, video editing, or heavy graphical design? Here are some computer buying tips for photographers […]
Here is how to recursively use the command-line utility chmod to change directory and file permissions in Linux and macOS easily. It uses a combination of the utilities ‘find’ and ‘chmod’. I use these popular […]
Here is a simple way to get a disk usage summary in Linux or Mac OS X using the command-line. The “du” command is the conventional choice but gives a lot of information by default. […]
Here is how to use the command-line utility rsync without the archive flag (-a). What does the flag -a default to? It is the “archive mode”. -a, –archive; archive mode; equals -rlptgoD (no -H,-A,-X) Where: […]
Need to bind multiple IP addresses to a network interface? Here is a nice article I found online: cd /etc/sysconfig/network-scripts/ cp ifcfg-eth0 ifcfg-eth0:0 cp ifcfg-eth0 ifcfg-eth0:1 cp ifcfg-eth0 ifcfg-eth0:2 … vi ifcfg-eth0:0 Here is an […]
To install the X Window System (“X-Windows”) on Linux, use the following command-line syntax: yum groupinstall “X Window System”
Here is the command-line syntax to create (“burn”) an ISO file onto CD on Linux: cdrecord -v dev=’ATAPI:1,1,0′ driveropts=burnfree -sao -eject “filename.iso”
The –delete flag in rsync will deactivate if something goes wrong during the sync, such as invalid files. I’ve just seen this happen.