8 posts

Choosing a Computer for Digital Photography

So you’re a digital photographer, videographer, graphics designer, or other creative? Faced with choosing a computer for digital photography, video editing, or heavy graphical design? Here are some computer buying tips for the photographer or other creatives, summarizing some deep experience (this works regardless of the platform – Mac OS […]

Program Code

Recursive chmod in Linux and MacOSX

Recursively chmod directories only OR files only Recursively search directory tree (starting at the current directory ‘dot’): Recursively chmod 755 all directories only: find . -type d -exec chmod 755 {} \; Recursively chmod 644 all files only (and ignore the directories): find . -type f -exec chmod 644 {} […]

Open Hard Drive HDD

Disk Usage Summary in Linux or Mac OS X

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. So, here is the exact syntax for “du” to return just the single, bottom-line, disk usage […]

Sync Key

Rsync Defaults for Archive Flag

Using rsync without the “archive flag” (-a). What does -a default to? It is the archive mode. -a, –archive; archive mode; equals -rlptgoD (no -H,-A,-X) Where: -r, –recursive; recurse into directories -l, –links; copy symlinks as symlinks -p, –perms; preserve permissions -t, –times; preserve modification times -g, –group; preserve group […]

Global Network

Bind Multiple IP Addresses in Linux

Need to bind multiple IP addresses to an 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 OLD article See larger image How Linux Works, 2nd Edition: What Every Superuser Should Know (Paperback) New From: […]

Linux booting

Installing X-Windows on Linux

To install the X Window System (X-Windows) on Linux: yum groupinstall “X Window System” See larger image How Linux Works, 2nd Edition: What Every Superuser Should Know (Paperback) New From: $32.28 USD In Stock