similar to: C5 BASH IF

On Fri, 2015-02-13 at 23:46 -0600, Les Mikesell wrote: > I think you are missing some very basic concepts here. First, the > shell likes to parse things separated by white space. Second, [ is a > synonym for test which is a build-in version of /bin/test, so try 'man > test' for the syntax of tests. And third, you generally should use > double quotes around variables in

On Sat, 2015-02-14 at 05:26 +0000, Always Learning wrote: > NON-WORKING second comparison > > 15 if [ $file='law00.css' ] > 16 then > 17 file=$dir/$file > 18 echo "css" > 19 else > 20 file=$dir/$file\.php > 21 echo "no css" > 22 fi > 23 #---------------------------- > > Every comparison in the

On Fri, Feb 13, 2015 at 11:26 PM, Always Learning <centos at u64.u22.net> wrote: > Being new to some aspects of BASH, I tried to reduce the quantity of > scripts by introducing a comparison test into an existing working > script. > > The script refused to work until I placed [ ] around the actual test. > The second test, in the same script, misfunctioned until I removed the

On Fri, Feb 13, 2015 at 11:54 PM, Always Learning <centos at u64.u22.net> wrote: > >> And third, you generally should use >> double quotes around variables in tests so they continue to exist as >> an empty string if the variable happens to not be set. > > Thanks for that. I assumed if test 1 worked, so would test 2. > > Have re-run test 2 with > >

On Sun, 2015-01-25 at 04:38 +0100, Dennis Jacobfeuerborn wrote: > On 25.01.2015 04:30, Always Learning wrote: > > > > useradd --help > > > > -d, --home-dir HOME_DIR home directory for the new user account > > -M, do not create user's home directory > > yet > > useradd -M -s /sbin/nologin FRED > > > > produces in

useradd --help -d, --home-dir HOME_DIR home directory for the new user account -M, do not create user's home directory yet useradd -M -s /sbin/nologin FRED produces in /etc/passwd fred:x:504:504::/home/fred:/sbin/nologin Trying again with useradd -d /dev/null -s /sbin/nologin doris gives a CLI message useradd: warning: the home directory already exists.

On Sat, Feb 14, 2015 at 11:36 AM, J Martin Rushton <martinrushton56 at btinternet.com> wrote: > <snip> >> To understand it completely you need to know the order of >> operations as the shell makes multiple passes over the line, >> parsing, processing metacharacters, and expanding variables. And >> I don't know where to find a concise description of that

On Sat, Feb 14, 2015 at 1:13 PM, Robert Nichols <rnicholsNOSPAM at comcast.net> wrote: > >> But it is not 'just' expansions. You need to know the full order of >> operations with all the steps - word splitting, quote removal, i/o >> redirection, groupings, etc., some of which is repeated over the line >> after some of the other steps happen. I think I

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 14/02/15 16:53, Les Mikesell wrote: <snip> > To understand it completely you need to know the order of > operations as the shell makes multiple passes over the line, > parsing, processing metacharacters, and expanding variables. And > I don't know where to find a concise description of that any more. man bash, about 900

On 06/12/2015 11:57 AM, Jonathan Billings wrote: > On Sat, Jun 13, 2015 at 10:55:47AM -0600, jd1008 wrote: >> The most offensive problems of using browsers is that >> they do not tell you nor ask your permission when javascripts >> spy on your entire storage contents. > Huh? You've been misinformed. Certainly there have been exploits > against browsers to bypass

On 02/14/2015 12:03 PM, Les Mikesell wrote: > On Sat, Feb 14, 2015 at 11:36 AM, J Martin Rushton > <martinrushton56 at btinternet.com> wrote: >> <snip> >>> To understand it completely you need to know the order of >>> operations as the shell makes multiple passes over the line, >>> parsing, processing metacharacters, and expanding variables. And

Hey all, I wrote a very basic script to determine if cassandra db is running. I'm setting a variable called 'pid' to the output of a ps | grep like to grab the pid of the cassandra process. #!/bin/bash pid=$(ps -ef | grep cassandra | grep -v grep | grep -i -v -e grep -e screen -e s3fs|awk '{print $2}') if [[ -e $pid ]] then echo "Cassandra is running with pid:

On Sat, 2015-01-24 at 22:45 -0500, Stephen Harris wrote: > On Sun, Jan 25, 2015 at 03:43:06AM +0000, Always Learning wrote: > > Should the 'correct' entry be:- > > > > fred:x:504:504:::/sbin/nologin ? > > No; that's invalid. There must be an entry in the home directory field. Thanks Stephen and Dennis for the helpful explanation. I will use:

On Thu, 2015-05-14 at 14:25 -0500, Jim Perrin wrote: > We've produced a disk image intended to help hardware vendors and > enthusiasts who are interested in bringing CentOS to their AArch64 based > platform. This allows a vendor to bypass the installer or to edit the > disk image before booting in order to test kernel modules or options. It > is intended for development purposes

On Wed, 2015-02-04 at 14:55 -0700, Warren Young wrote: > > On Feb 4, 2015, at 12:16 PM, Lamar Owen <lowen at pari.edu> wrote: > > > > Again, the real bruteforce danger is when your /etc/shadow is exfiltrated by a security vulnerability > > Unless you have misconfigured your system, anyone who can copy /etc/shadow already has root privileges. They don?t need to

I displayed, as a web page, a list of search results created in PHP, from MySQL. Firefox prevents me looking at the web page's source coding. Right-click, view source, produces this display:- "Document Expired "This document is no longer available. "The requested document is not available in Firefox's cache. " As a security precaution, Firefox does not

On 02/04/2015 02:08 PM, Lamar Owen wrote: > > 3.) Attacker uses a large graphics card's GPU power, harnessed with > CUDA or similar, to run millions of bruteforce attempts per second on > the exfiltrated /etc/shadow, on their computer (not yours). > 4.) After a few hours, attacker has your password (or at least a > password that hashes to the same value as your password),

Greetings, In Squirrelmail, you can install a plugin html_mail, that allows you to compose html-formatted email. This plugin functions with Firefox and Internet Explorer; it doesn't function in Google Chrome. In CentOS 5 with PHP5.1, I could copy and paste html-formatted text with complicated html (tables, css, etc) from a text editor into the the html-formatting pane of squirrelmail,

On 06/13/2015 11:11 AM, jd1008 wrote: > All your browsing history, all cookies ...etc are open books > as far as many javascripts are concerned. Javascript can use CSS attributes to see if you've visited a specific URL, which is unfortunate, but that's a long way from saying that your history is an open book. Javascript cannot directly access your history. A script cannot

On 06/12/2015 01:01 PM, Gordon Messmer wrote: > On 06/13/2015 11:11 AM, jd1008 wrote: >> All your browsing history, all cookies ...etc are open books >> as far as many javascripts are concerned. > > Javascript can use CSS attributes to see if you've visited a specific > URL, which is unfortunate, but that's a long way from saying that your > history is an open