Check tcp-wrapping support

supportsWrap(){ ldd `which ${1}` | grep "libwrap" &>/dev/null && return 0 || return 1; }
This function returns TRUE if the application supports tcp-wrapping or FALSE if not by reading the shared libraries used by this application.
Sample Output
if supportsWrap sshd ;then  vim + -o /etc/hosts.allow /etc/hosts.deny; fi

1
By: cicatriz
2010-12-01 15:22:29

What Others Think

Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir Seofox.ir
seofox · 51 weeks and 6 days ago
Pug Puppies for Sale Near Me pugs puppies for sale teacup pugs for sale pug puppies for sale by owner pug puppies ohio PUG PUPPY FOR SALE NEAR ME PUG PUPPIES FOR SALE pug puppies for sale in kentucky Pug Puppies for Sale Under $500 Near Me pug puppies for sale in texas pug puppies for sale $200 pugs for sale near me under $500 pugs for sale under $400 near me pugs for sale near me puppies for sale near me under $500 pug puppies for sale under $1,000 near me pug for sale pug puppies for sale under $300 Brindle Pug Pitbull Pug Mix Pugs for sale cheap Cheap pug affordable pug puppies for sale near me black pugs for sale near me White Pugs for sale pug dog for sale free pug puppies pug puppies for sale in my area mn pug breeders pug puppies indiana pugs for sale michigan PUG PUPPY ADOPTION Pug puppies for sale Pug puppies for sale near me Pug puppies near me Pug Puppies for Sale Under $500 Near Me Cute Pug Puppies Black pug puppies Black pug puppies for sale pug puppies for adoption black pug puppies for sale near me chihuahua pug mix puppies how much is a pug puppy teacup pug puppies baby pug puppies pictures of pug puppies pug puppies for sale in Ohio pug puppies price pug mix puppies teacup pug puppies for sale best food for pug puppy newborn pug puppies pug puppies craigslist pug puppies for sale craigslist adorable pug puppies how much does a pug puppy cost Pitbull pug mix puppies pug pit mix puppy pug puppies for sale $200 pug puppies for sale in NJ Pug puppies for sale in Wisconsin pug puppy cost pug puppy food royal canin pug puppy royal canin pug puppy food fawn pug puppy pug puppies for sale florida pug puppies for sale in Indiana pug puppies for sale in KY pug puppies for sale in NC pug dog puppy AKC Registered Pug Puppies For sale cheap pug puppies for sale near me cheap pug puppies for sale in California cheap pug puppies for sale in nj Black Pug Puppies for sale pugs puppies for sale
rahimhh21 · 23 weeks ago
Pug Puppies for Sale Near Me pugs puppies for sale teacup pugs for sale pug puppies for sale by owner pug puppies ohio PUG PUPPY FOR SALE NEAR ME PUG PUPPIES FOR SALE pug puppies for sale in kentucky Pug Puppies for Sale Under $500 Near Me pug puppies for sale in texas pug puppies for sale $200 pugs for sale near me under $500 pugs for sale under $400 near me pugs for sale near me puppies for sale near me under $500 pug puppies for sale under $1,000 near me pug for sale pug puppies for sale under $300 Brindle Pug Pitbull Pug Mix Pugs for sale cheap Cheap pug affordable pug puppies for sale near me black pugs for sale near me White Pugs for sale pug dog for sale free pug puppies pug puppies for sale in my area mn pug breeders pug puppies indiana pugs for sale michigan PUG PUPPY ADOPTION Pug puppies for sale Pug puppies for sale near me Pug puppies near me Pug Puppies for Sale Under $500 Near Me USA USA USA USA USA USA Cute Pug Puppies Black pug puppies Black pug puppies for sale pug puppies for adoption black pug puppies for sale near me chihuahua pug mix puppies how much is a pug puppy teacup pug puppies baby pug puppies baby pug puppies for sale pictures of pug puppies pug puppies for sale in Ohio pug puppies price pug mix puppies teacup pug puppies for sale best food for pug puppy newborn pug puppies pug puppies craigslist pug puppies for sale craigslist adorable pug puppies how much does a pug puppy cost Pitbull pug mix puppies pug pit mix puppy pug puppies for sale $200 pug puppies for sale in NJ Pug puppies for sale in Wisconsin pug puppy cost pug puppy food royal canin pug puppy royal canin pug puppy food fawn pug puppy pug puppies for sale florida pug puppies for sale in Indiana pug puppies for sale in KY pug puppies for sale in NC pug dog puppy AKC Registered Pug Puppies For sale cheap pug puppies for sale near me cheap pug puppies for sale in California cheap pug puppies for sale in nj Black Pug Puppies for sale pugs puppies for sale
Perfecthomepugs · 14 weeks ago
I see some amazingly important and kept up to length of your strength searching for in your on the site Use2Earn Reviews
seomind · 9 weeks ago
I think it could be more general if you get a football sports activity Injecto Reviews
seomind · 9 weeks ago
Really nice and interesting post. I was looking for this kind of information and enjoyed reading this one. Injecto Reviews
seomind · 9 weeks ago
I think this is an informative post and it is very useful and knowledgeable. therefore, I would like to thank you for the efforts you have made in writing this article. Really Short Guide to Money
seomind · 9 weeks ago
Your music is amazing. You have some very talented artists. I wish you the best of success. Injecto Reviews
seomind · 9 weeks ago
Thanks for sharing this information. I really like your blog post very much. You have really shared a informative and interesting blog post with people.. Stream Energy Review
seomind · 9 weeks ago
There is definately a great deal to know about this subject. I like all of the points you've made. Stream Energy Review
seomind · 9 weeks ago
I think about it is most required for making more on this get engaged Stream Energy Review
seomind · 9 weeks ago
I am always searching online for articles that can help me. There is obviously a lot to know about this. I think you made some good points in Features also. Keep working, great job Really Short Guide to Money
seomind · 9 weeks ago
This website and I conceive this internet site is really informative ! Keep on putting up! Really Short Guide to Money
seomind · 9 weeks ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

You must be signed in to comment.

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands



Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for: