Sep 062012

On the CMPublic Sharepoint site there is link to a folder appearing in the “Handling VIP, VVIP, & PSD’s on COM Properties in Baghdad” Shared Web Part.

The link name is: VIP-VVIP Support Request

I modified the Shared Web Part and set a filter to show everything except if the “Name” property was equal to “VIP-VVIP Support Request”.

1. Go to the webpart on the page and click the little drop-down arrow.
2. Select "Modify Shared Webpart". 
3. In the right pane, select "Edit the current view".
4. On the edit view page scroll all the way down to the bottom until you see "Filter"
   on the left-hand side.
5. Select the radio button that says, "Show items only when the following is true".
6. In the "Show the items when column" drop-down, choose the column that has the 
   value that you want to hide.
7. In the next drop-down select, "is not equal to".
8. In the next text box type the name of the value that you want to hide.
9. Click "Ok".

You have configured the web part to: 
	Show the column XXX when its value is not equal to YYY.
Jul 152012
IIS Single Sign On - SSO Web Server Setup 

1. Open up IIS Admin (Control Panel > Administrative Tools > Internet Information
2. Select the site you want to enable SSO for from the list of available sites
(left click to select)
3. Select (double click) "Authentication" option under the IIS category
4. Right click each authentication type and disable it.
5. Right click the Windows Authentication type and enable it. Anonymous
Authentication must be Disabled !
6. Restart IIS services

1. Open up IIS Admin (Control Panel > Administrative Tools > Internet Information
2. Right click the site you want to enable SSO for and select “Properties”
3. Select the directory security tab (pictured below) and then click “Edit...”
under the Authentication and access control section (pictured below).
4. Untick all boxes with authentication methods other than “Integrated Windows
Authentication” (see below)
5. Restart IIS services
Sep 042011
 yum -y install phpMyAdmin php-mysql php-mcrypt

 vi /etc/httpd/conf.d/phpMyAdmin.conf

 Change line 14 and add any IP address that you want to allow access to your phpmyadmin web page.
 By default it will allow the local host: Allow from
 You can add any computer on your domain: Allow from
 This is assuming your domain IP address range is
 Alternatively, you can add access to any computer by changing the line to read: Allow from All
 You should setup SSL access to your server if you are going to allow all.

 Save the changes and restart httpd by typing:
 	sudo /etc/rc.d/init.d/httpd reload
 	sudo service httpd restart  

Example of phpMyAdmin.conf file:

# phpMyAdmin - Web based MySQL browser written in php
# Allows only localhost by default
# But allowing phpMyAdmin to anyone other than localhost should be considered
# dangerous unless properly secured by SSL

Alias /phpMyAdmin /usr/share/phpMyAdmin
Alias /phpmyadmin /usr/share/phpMyAdmin

<Directory /usr/share/phpMyAdmin/>
   Order Deny,Allow
   Deny from All
   Allow from
   Allow from ::1

<Directory /usr/share/phpMyAdmin/setup/>
   Order Deny,Allow
   Deny from All
   Allow from
   Allow from ::1

# These directories do not require access over HTTP - taken from the original
# phpMyAdmin upstream tarball
<Directory /usr/share/phpMyAdmin/libraries/>
    Order Deny,Allow
    Deny from All
    Allow from None

<Directory /usr/share/phpMyAdmin/setup/lib/>
    Order Deny,Allow
    Deny from All
    Allow from None

# This configuration prevents mod_security at phpMyAdmin directories from
# filtering SQL etc.  This may break your mod_security implementation.
#<IfModule mod_security.c>
#    <Directory /usr/share/phpMyAdmin/>
#        SecRuleInheritance Off
#    </Directory>
Feb 012011

Here is my ASCII Code generator that I created: ASCII CODE GENERATOR.



Some Mathematics characters are part of the Unicode character set, so you need to declare that in the head of your documents:

<meta http-equiv=”content-type” content=”text/html;charset=utf-8″ />

Display Friendly Code Numerical Code Hex Code Description
  &#8722; &#x2212; Minus Sign
+ + &#43; &#x2B; Plus Sign
± &plusmn; &#177; &#xB1; Plus or Minus Sign
× &times; &#215; &#xD7; Multiplication Sign
÷ &divide; &#247; &#xF7; Division Sign
% % &#37; &#x25; Percent Sign
  &#137; &#x2030; Per Million Sign
= = &#61; &#x3D; Equal Sign
  &#8800; &#x2260; Not Equal To Sign
  &#8776; &#x2248; Approximately Equal Sign
  &#8801; &#x2261; Identical To Sign
< &lt; &#60; &#x3C; Less Than Sign
> &gt; &#62; &#x3E; Greater Than Sign
  &#8804; &#x2264; Less Than or Equal To Sign
  &#8805; &#x2265; Greater Than or Equal To Sign
  &#8734; &#x221E; Infinity Sign
  &#8539; &#x215B; One Eighth Fraction
¼ &frac14; &#188; &#xBC; One Quarter Fraction
  &#8540; &#x215C; Three Eighths Fraction
½ &frac12; &#189; &#xBD; One Half Fraction
  &#8541; &#x215D; Five Eighths Fraction
¾ &frac34; &#190; &#xBE; Three Quarters Fraction
  &#8542; &#x215E; Seven Eighths Fraction
  &#8747; &#x222B; Integral Sign
  &#8706; &#x2202; Partial Differential Sign
  &#8710; &#x2206; Increment Sign
  &#8719; &#x220F; N-ary Product Sign
  &#8721; &#x2211; N-ary Sum Sign
  &#8730; &#x221A; Square Root Sign
  &#8735; &#x221F; Right Angle Sign
  &#8745; &#x2229; Intersection Sign
  &#8729; &#x2219; Bullet Operator
ƒ   &#131; &#x83; Function Sign
  &#8260; &#x2044; Fraction Slash
Jan 282011

  You always find news about what's going on as well as the latest versions
  from the curl web pages, located at:


  Get the main page from Netscape's web-server:


  Get the README file the user's home directory at funet's ftp-server:


  Get a web page from a server using port 8000:


  Get a list of a directory of an FTP site:


  Get the definition of curl from a dictionary:

        curl dict://

  Fetch two documents at once:


  Get a file off an FTPS server:

        curl ftps://

  or use the more appropriate FTPS way to get the same file:

        curl --ftp-ssl

  Get a file from an SSH server using SFTP:

        curl -u username s

  Get a file from an SSH server using SCP using a private key to authenticate:

        curl -u username: --key ~/.ssh/id_dsa --pubkey ~/.ssh/             scp://

  Get the main page from an IPv6 web server:

        curl -g "http://[2001:1890:1112:1::20]/"


  Get a web page and store in a local file:

        curl -o thatpage.html

  Get a web page and store in a local file, make the local file get the name
  of the remote document (if no file name part is specified in the URL, this
  will fail):

        curl -O

  Fetch two files and store them with their remote names:

        curl -O -O



   To ftp files using name+passwd, include them in the URL like:

        curl ftp://name:passwd@machine.domain:port/full/path/to/file

   or specify them with the -u flag like

        curl -u name:passwd ftp://machine.domain:port/full/path/to/file


   It is just like for FTP, but you may also want to specify and use
   SSL-specific options for certificates etc.

   Note that using FTPS:// as prefix is the "implicit" way as described in the
   standards while the recommended "explicit" way is done by using FTP:// and
   the --ftp-ssl option.


   This is similar to FTP, but you can specify a private key to use instead of
   a password. Note that the private key may itself be protected by a password
   that is unrelated to the login password of the remote system.  If you
   provide a private key file you must also provide a public key file.


   Curl also supports user and password in HTTP URLs, thus you can pick a file

        curl http://name:passwd@machine.domain/full/path/to/file

   or specify user and password separately like in

        curl -u name:passwd http://machine.domain/full/path/to/file

   HTTP offers many different methods of authentication and curl supports
   several: Basic, Digest, NTLM and Negotiate. Without telling which method to
   use, curl defaults to Basic. You can also ask curl to pick the most secure
   ones out of the ones that the server accepts for the given URL, by using

   NOTE! Since HTTP URLs don't support user and password, you can't use that
   style when using Curl via a proxy. You _must_ use the -u style fetch
   during such circumstances.


   Probably most commonly used with private certificates, as explained below.


 Get an ftp file using a proxy named my-proxy that uses port 888:

        curl -x my-proxy:888

 Get a file from a HTTP server that requires user and password, using the
 same proxy as above:

        curl -u user:passwd -x my-proxy:888 http://www.get.this/

 Some proxies require special authentication. Specify by using -U as above:

        curl -U user:passwd -x my-proxy:888 http://www.get.this/

 A comma-separated list of hosts and domains which do not use the proxy can
 be specified as:

        curl --noproxy localhost,get.this -x my-proxy:888 http://www.get.this/

 If the proxy is specified with --proxy1.0 instead of --proxy or -x, then
 curl will use HTTP/1.0 instead of HTTP/1.1 for any CONNECT attempts.

 curl also supports SOCKS4 and SOCKS5 proxies with --socks4 and --socks5.

 See also the environment variables Curl support that offer further proxy


  With HTTP 1.1 byte-ranges were introduced. Using this, a client can request
  to get only one or more subparts of a specified document. Curl supports
  this with the -r flag.

  Get the first 100 bytes of a document:

        curl -r 0-99 http://www.get.this/

  Get the last 500 bytes of a document:

        curl -r -500 http://www.get.this/

  Curl also supports simple ranges for FTP files as well. Then you can only
  specify start and stop position.

  Get the first 100 bytes of a document using FTP:

        curl -r 0-99 ftp://www.get.this/README



  Upload all data on stdin to a specified server:

        curl -T -

  Upload data from a specified file, login with user and password:

        curl -T uploadfile -u user:passwd

  Upload a local file to the remote site, and use the local file name remote

        curl -T uploadfile -u user:passwd

  Upload a local file to get appended to the remote file:

        curl -T localfile -a

  Curl also supports ftp upload through a proxy, but only if the proxy is
  configured to allow that kind of tunneling. If it does, you can run curl in
  a fashion similar to:

        curl --proxytunnel -x proxy:port -T localfile


  Upload all data on stdin to a specified http site:

        curl -T -

  Note that the http server must have been configured to accept PUT before
  this can be done successfully.

  For other ways to do http data upload, see the POST section below.


  If curl fails where it isn't supposed to, if the servers don't let you in,
  if you can't understand the responses: use the -v flag to get verbose
  fetching. Curl will output lots of info and what it sends and receives in
  order to let the user see all client-server interaction (but it won't show
  you the actual data).

        curl -v

  To get even more details and information on what curl does, try using the
  --trace or --trace-ascii options with a given file name to log to, like

        curl --trace trace.txt


  Different protocols provide different ways of getting detailed information
  about specific files/documents. To get curl to show detailed information
  about a single file, you should use -I/--head option. It displays all
  available info on a single file for HTTP and FTP. The HTTP information is a
  lot more extensive.

  For HTTP, you can get the header information (the same as -I would show)
  shown before the data by using -i/--include. Curl understands the
  -D/--dump-header option when getting files from both FTP and HTTP, and it
  will then store the headers in the specified file.

  Store the HTTP headers in a separate file (headers.txt in the example):

        curl --dump-header headers.txt

  Note that headers stored in a separate file can be very useful at a later
  time if you want curl to use cookies sent by the server. More about that in
  the cookies section.


  It's easy to post data using curl. This is done using the -d <data>
  option.  The post data must be urlencoded.

  Post a simple "name" and "phone" guestbook.

        curl -d "name=Rafael%20Sagula&phone=3320780"       

  How to post a form with curl, lesson #1:

  Dig out all the <input> tags in the form that you want to fill in. (There's
  a perl program called on the curl site that helps with this).

  If there's a "normal" post, you use -d to post. -d takes a full "post
  string", which is in the format


  The 'variable' names are the names set with "name=" in the <input> tags, and
  the data is the contents you want to fill in for the inputs. The data *must*
  be properly URL encoded. That means you replace space with + and that you
  write weird letters with %XX where XX is the hexadecimal representation of
  the letter's ASCII code.


  (page located at

        <form action="post.cgi" method="post">
        <input name=user size=10>
        <input name=pass type=password size=10>
        <input name=id type=hidden value="blablabla">
        <input name=ding value="submit">

  We want to enter user 'foobar' with password '12345'.

  To post to this, you enter a curl command line like:

        curl -d "user=foobar&pass=12345&id=blablabla&ding=submit"  (continues)

  While -d uses the application/x-www-form-urlencoded mime-type, generally
  understood by CGI's and similar, curl also supports the more capable
  multipart/form-data type. This latter type supports things like file upload.

  -F accepts parameters like -F "name=contents". If you want the contents to
  be read from a file, use <@filename> as contents. When specifying a file,
  you can also specify the file content type by appending ';type=<mime type>'
  to the file name. You can also post the contents of several files in one
  field.  For example, the field name 'coolfiles' is used to send three files,
  with different content types using the following syntax:

        curl -F "coolfiles=@fil1.gif;type=image/gif,fil2.txt,fil3.html"

  If the content-type is not specified, curl will try to guess from the file
  extension (it only knows a few), or use the previously specified type (from
  an earlier file if several files are specified in a list) or else it will
  using the default type 'text/plain'.

  Emulate a fill-in form with -F. Let's say you fill in three fields in a
  form. One field is a file name which to post, one field is your name and one
  field is a file description. We want to post the file we have written named
  "cooltext.txt". To let curl do the posting of this data instead of your
  favourite browser, you have to read the HTML source of the form page and
  find the names of the input fields. In our example, the input field names
  are 'file', 'yourname' and 'filedescription'.

        curl -F "file=@cooltext.txt" -F "yourname=Daniel"              -F "filedescription=Cool text file with cool text inside"    

  To send two files in one post you can do it in two ways:

  1. Send multiple files in a single "field" with a single field name:

        curl -F "pictures=@dog.gif,cat.gif"

  2. Send two fields with two field names:

        curl -F "docpicture=@dog.gif" -F "catpicture=@cat.gif"

  To send a field value literally without interpreting a leading '@'
  or '<', or an embedded ';type=', use --form-string instead of
  -F. This is recommended when the value is obtained from a user or
  some other unpredictable source. Under these circumstances, using
  -F instead of --form-string would allow a user to trick curl into
  uploading a file.


  A HTTP request has the option to include information about which address
  that referred to actual page.  Curl allows you to specify the
  referrer to be used on the command line. It is especially useful to
  fool or trick stupid servers or CGI scripts that rely on that information
  being available or contain certain data.

        curl -e

  NOTE: The Referer: [sic] field is defined in the HTTP spec to be a full URL.


  A HTTP request has the option to include information about the browser
  that generated the request. Curl allows it to be specified on the command
  line. It is especially useful to fool or trick stupid servers or CGI
  scripts that only accept certain browsers.


  curl -A 'Mozilla/3.0 (Win95; I)'

  Other common strings:
    'Mozilla/3.0 (Win95; I)'     Netscape Version 3 for Windows 95
    'Mozilla/3.04 (Win95; U)'    Netscape Version 3 for Windows 95
    'Mozilla/2.02 (OS/2; U)'     Netscape Version 2 for OS/2
    'Mozilla/4.04 [en] (X11; U; AIX 4.2; Nav)'           NS for AIX
    'Mozilla/4.05 [en] (X11; U; Linux 2.0.32 i586)'      NS for Linux

  Note that Internet Explorer tries hard to be compatible in every way:
    'Mozilla/4.0 (compatible; MSIE 4.01; Windows 95)'    MSIE for W95

  Mozilla is not the only possible User-Agent name:
    'Konqueror/1.0'             KDE File Manager desktop client
    'Lynx/2.7.1 libwww-FM/2.14' Lynx command line browser


  Cookies are generally used by web servers to keep state information at the
  client's side. The server sets cookies by sending a response line in the
  headers that looks like 'Set-Cookie: <data>' where the data part then
  typically contains a set of NAME=VALUE pairs (separated by semicolons ';'
  like "NAME1=VALUE1; NAME2=VALUE2;"). The server can also specify for what
  path the "cookie" should be used for (by specifying "path=value"), when the
  cookie should expire ("expire=DATE"), for what domain to use it
  ("domain=NAME") and if it should be used on secure connections only

  If you've received a page from a server that contains a header like:
        Set-Cookie: sessionid=boo123; path="/foo";

  it means the server wants that first pair passed on when we get anything in
  a path beginning with "/foo".

  Example, get a page that wants my name passed in a cookie:

        curl -b "name=Daniel"

  Curl also has the ability to use previously received cookies in following
  sessions. If you get cookies from a server and store them in a file in a
  manner similar to:

        curl --dump-header headers

  ... you can then in a second connect to that (or another) site, use the
  cookies from the 'headers' file like:

        curl -b headers

  While saving headers to a file is a working way to store cookies, it is
  however error-prone and not the preferred way to do this. Instead, make curl
  save the incoming cookies using the well-known netscape cookie format like

        curl -c cookies.txt

  Note that by specifying -b you enable the "cookie awareness" and with -L
  you can make curl follow a location: (which often is used in combination
  with cookies). So that if a site sends cookies and a location, you can
  use a non-existing file to trigger the cookie awareness like:

        curl -L -b empty.txt

  The file to read cookies from must be formatted using plain HTTP headers OR
  as netscape's cookie file. Curl will determine what kind it is based on the
  file contents.  In the above command, curl will parse the header and store
  the cookies received from  curl will send to the server the
  stored cookies which match the request as it follows the location.  The
  file "empty.txt" may be a nonexistent file.

  Alas, to both read and write cookies from a netscape cookie file, you can
  set both -b and -c to use the same file:

        curl -b cookies.txt -c cookies.txt


  The progress meter exists to show a user that something actually is
  happening. The different fields in the output have the following meaning:

  % Total    % Received % Xferd  Average Speed          Time             Curr.
                                 Dload  Upload Total    Current  Left    Speed
  0  151M    0 38608    0     0   9406      0  4:41:43  0:00:04  4:41:39  9287

  From left-to-right:
   %             - percentage completed of the whole transfer
   Total         - total size of the whole expected transfer
   %             - percentage completed of the download
   Received      - currently downloaded amount of bytes
   %             - percentage completed of the upload
   Xferd         - currently uploaded amount of bytes
   Average Speed
   Dload         - the average transfer speed of the download
   Average Speed
   Upload        - the average transfer speed of the upload
   Time Total    - expected time to complete the operation
   Time Current  - time passed since the invoke
   Time Left     - expected time left to completion
   Curr.Speed    - the average transfer speed the last 5 seconds (the first
                   5 seconds of a transfer is based on less time of course.)

  The -# option will display a totally different progress bar that doesn't
  need much explanation!


  Curl allows the user to set the transfer speed conditions that must be met
  to let the transfer keep going. By using the switch -y and -Y you
  can make curl abort transfers if the transfer speed is below the specified
  lowest limit for a specified time.

  To have curl abort the download if the speed is slower than 3000 bytes per
  second for 1 minute, run:

        curl -Y 3000 -y 60

  This can very well be used in combination with the overall time limit, so
  that the above operation must be completed in whole within 30 minutes:

        curl -m 1800 -Y 3000 -y 60

  Forcing curl not to transfer data faster than a given rate is also possible,
  which might be useful if you're using a limited bandwidth connection and you
  don't want your transfer to use all of it (sometimes referred to as
  "bandwidth throttle").

  Make curl transfer data no faster than 10 kilobytes per second:

        curl --limit-rate 10K


        curl --limit-rate 10240

  Or prevent curl from uploading data faster than 1 megabyte per second:

        curl -T upload --limit-rate 1M

  When using the --limit-rate option, the transfer rate is regulated on a
  per-second basis, which will cause the total transfer speed to become lower
  than the given number. Sometimes of course substantially lower, if your
  transfer stalls during periods.


  Curl automatically tries to read the .curlrc file (or _curlrc file on win32
  systems) from the user's home dir on startup.

  The config file could be made up with normal command line switches, but you
  can also specify the long options without the dashes to make it more
  readable. You can separate the options and the parameter with spaces, or
  with = or :. Comments can be used within the file. If the first letter on a
  line is a '#'-symbol the rest of the line is treated as a comment.

  If you want the parameter to contain spaces, you must enclose the entire
  parameter within double quotes ("). Within those quotes, you specify a
  quote as \".

  NOTE: You must specify options and their arguments on the same line.

  Example, set default time out and proxy in a config file:

#We  want a 30 minute timeout:
        -m 1800
#. .. and we use a proxy for all accesses:
        proxy =

  White spaces ARE significant at the end of lines, but all white spaces
  leading up to the first characters of each line are ignored.

  Prevent curl from reading the default file by using -q as the first command
  line parameter, like:

        curl -q

  Force curl to get and display a local help page in case it is invoked
  without URL by making a config file similar to:

#default  url to get
        url = ""

  You can specify another config file to be read by using the -K/--config
  flag. If you set config file name to "-" it'll read the config from stdin,
  which can be handy if you want to hide options from being visible in process
  tables etc:

        echo "user = user:passwd" | curl -K -


  When using curl in your own very special programs, you may end up needing
  to pass on your own custom headers when getting a web page. You can do
  this by using the -H flag.

  Example, send the header "X-you-and-me: yes" to the server when getting a

        curl -H "X-you-and-me: yes"

  This can also be useful in case you want curl to send a different text in a
  header than it normally does. The -H header you specify then replaces the
  header curl would normally send. If you replace an internal header with an
  empty one, you prevent that header from being sent. To prevent the Host:
  header from being used:

        curl -H "Host:"


  Do note that when getting files with the ftp:// URL, the given path is
  relative the directory you enter. To get the file 'README' from your home
  directory at your ftp site, do:


  But if you want the README file from the root directory of that very same
  site, you need to specify the absolute file name:


  (I.e with an extra slash in front of the file name.)


  With sftp: and scp: URLs, the path name given is the absolute name on the
  server. To access a file relative to the remote user's home directory,
  prefix the file with /~/ , such as:

        curl -u $USER s

FTP and firewalls

  The FTP protocol requires one of the involved parties to open a second
  connection as soon as data is about to get transfered. There are two ways to
  do this.

  The default way for curl is to issue the PASV command which causes the
  server to open another port and await another connection performed by the
  client. This is good if the client is behind a firewall that don't allow
  incoming connections.


  If the server for example, is behind a firewall that don't allow connections
  on other ports than 21 (or if it just doesn't support the PASV command), the
  other way to do it is to use the PORT command and instruct the server to
  connect to the client on the given (as parameters to the PORT command) IP
  number and port.

  The -P flag to curl supports a few different options. Your machine may have
  several IP-addresses and/or network interfaces and curl allows you to select
  which of them to use. Default address can also be used:

        curl -P -

  Download with PORT but use the IP address of our 'le0' interface (this does
  not work on windows):

        curl -P le0

  Download with PORT but use as our IP address to use:

        curl -P


  Get a web page from a server using a specified port for the interface:

        curl --interface eth0:1


        curl --interface


  Secure HTTP requires SSL libraries to be installed and used when curl is
  built. If that is done, curl is capable of retrieving and posting documents
  using the HTTPS protocol.



  Curl is also capable of using your personal certificates to get/post files
  from sites that require valid certificates. The only drawback is that the
  certificate needs to be in PEM-format. PEM is a standard and open format to
  store certificates with, but it is not used by the most commonly used
  browsers (Netscape and MSIE both use the so called PKCS#12 format). If you
  want curl to use the certificates you use with your (favourite) browser, you
  may need to download/compile a converter that can convert your browser's
  formatted certificates to PEM formatted ones. This kind of converter is
  included in recent versions of OpenSSL, and for older versions Dr Stephen
  N. Henson has written a patch for SSLeay that adds this functionality. You
  can get his patch (that requires an SSLeay installation) from his site at:

  Example on how to automatically retrieve a document using a certificate with
  a personal password:

        curl -E /path/to/cert.pem:password

  If you neglect to specify the password on the command line, you will be
  prompted for the correct password before any data can be received.

  Many older SSL-servers have problems with SSLv3 or TLS, that newer versions
  of OpenSSL etc is using, therefore it is sometimes useful to specify what
  SSL-version curl should use. Use -3, -2 or -1 to specify that exact SSL
  version to use (for SSLv3, SSLv2 or TLSv1 respectively):

        curl -2

  Otherwise, curl will first attempt to use v3 and then v2.

  To use OpenSSL to convert your favourite browser's certificate into a PEM
  formatted one that curl can use, do something like this (assuming netscape,
  but IE is likely to work similarly):

    You start with hitting the 'security' menu button in netscape.

    Select 'certificates->yours' and then pick a certificate in the list

    Press the 'export' button

    enter your PIN code for the certs

    select a proper place to save it

    Run the 'openssl' application to convert the certificate. If you cd to the
    openssl installation, you can do it like:

#. /apps/openssl pkcs12 -in [file you saved] -clcerts -out [PEMfile]


 To continue a file transfer where it was previously aborted, curl supports
 resume on http(s) downloads as well as ftp uploads and downloads.

 Continue downloading a document:

        curl -C - -o file

 Continue uploading a document(*1):

        curl -C - -T file

 Continue downloading a document from a web server(*2):

        curl -C - -o file

 (*1) = This requires that the ftp server supports the non-standard command
        SIZE. If it doesn't, curl will say so.

 (*2) = This requires that the web server supports at least HTTP/1.1. If it
        doesn't, curl will say so.


 HTTP allows a client to specify a time condition for the document it
 requests. It is If-Modified-Since or If-Unmodified-Since. Curl allow you to
 specify them with the -z/--time-cond flag.

 For example, you can easily make a download that only gets performed if the
 remote file is newer than a local copy. It would be made like:

        curl -z local.html

 Or you can download a file only if the local file is newer than the remote
 one. Do this by prepending the date string with a '-', as in:

        curl -z -local.html

 You can specify a "free text" date as condition. Tell curl to only download
 the file if it was updated since January 12, 2012:

        curl -z "Jan 12 2012"

 Curl will then accept a wide range of date formats. You always make the date
 check the other way around by prepending it with a dash '-'.


  For fun try

        curl dict://
        curl dict://
        curl dict://

  Aliases for 'm' are 'match' and 'find', and aliases for 'd' are 'define'
  and 'lookup'. For example,

        curl dict://

  Commands that break the URL description of the RFC (but not the DICT
  protocol) are

        curl dict://
        curl dict://

  Authentication is still missing (but this is not required by the RFC)


  If you have installed the OpenLDAP library, curl can take advantage of it
  and offer ldap:// support.

  LDAP is a complex thing and writing an LDAP query is not an easy task. I do
  advice you to dig up the syntax description for that elsewhere. Two places
  that might suit you are:

  Netscape's "Netscape Directory SDK 3.0 for C Programmer's Guide Chapter 10:
  Working with LDAP URLs":

  RFC 2255, "The LDAP URL Format"

  To show you an example, this is now I can get all people from my local LDAP
  server that has a certain sub-domain in their email address:

        curl -B "ldap://*"

  If I want the same info in HTML format, I can get it by not using the -B
  (enforce ASCII) flag.


  Curl reads and understands the following environment variables:

        http_proxy, HTTPS_PROXY, FTP_PROXY

  They should be set for protocol-specific proxies. General proxy should be
  set with


  A comma-separated list of host names that shouldn't go through any proxy is
  set in (only an asterisk, '*' matches all hosts)


  If the host name matches one of these strings, or the host is within the
  domain of one of these strings, transactions with that node will not be

  The usage of the -x/--proxy flag overrides the environment variables.


  Unix introduced the .netrc concept a long time ago. It is a way for a user
  to specify name and password for commonly visited ftp sites in a file so
  that you don't have to type them in each time you visit those sites. You
  realize this is a big security risk if someone else gets hold of your
  passwords, so therefore most unix programs won't read this file unless it is
  only readable by yourself (curl doesn't care though).

  Curl supports .netrc files if told so (using the -n/--netrc and
  --netrc-optional options). This is not restricted to only ftp,
  but curl can use it for all protocols where authentication is used.

  A very simple .netrc file could look something like:

        machine login iamdaniel password mysecret


  To better allow script programmers to get to know about the progress of
  curl, the -w/--write-out option was introduced. Using this, you can specify
  what information from the previous transfer you want to extract.

  To display the amount of bytes downloaded together with some text and an
  ending newline:

        curl -w 'We downloaded %{size_download} bytes\n'


  Curl supports kerberos4 and kerberos5/GSSAPI for FTP transfers. You need
  the kerberos package installed and used at curl build time for it to be

  First, get the krb-ticket the normal way, like with the kinit/kauth tool.
  Then use curl in way similar to:

        curl --krb private -u username:fakepwd

  There's no use for a password on the -u switch, but a blank one will make
  curl ask for one and you already entered the real password to kinit/kauth.


  The curl telnet support is basic and very easy to use. Curl passes all data
  passed to it on stdin to the remote server. Connect to a remote telnet
  server using a command line similar to:

        curl telnet://

  And enter the data to pass to the server on stdin. The result will be sent
  to stdout or to the file you specify with -o.

  You might want the -N/--no-buffer option to switch off the buffered output
  for slow connections or similar.

  Pass options to the telnet protocol negotiation, by using the -t option. To
  tell the server we use a vt100 terminal, try something like:

        curl -tTTYPE=vt100 telnet://

  Other interesting options for it -t include:

   - XDISPLOC=<X display> Sets the X display location.

   - NEW_ENV=<var,val> Sets an environment variable.

  NOTE: the telnet protocol does not specify any way to login with a specified
  user and password so curl can't do that automatically. To do that, you need
  to track when the login prompt is received and send the username and
  password accordingly.


  Specifying multiple files on a single command line will make curl transfer
  all of them, one after the other in the specified order.

  libcurl will attempt to use persistent connections for the transfers so that
  the second transfer to the same host can use the same connection that was
  already initiated and was left open in the previous transfer. This greatly
  decreases connection time for all but the first transfer and it makes a far
  better use of the network.

  Note that curl cannot use persistent connections for transfers that are used
  in subsequence curl invokes. Try to stuff as many URLs as possible on the
  same command line if they are using the same host, as that'll make the
  transfers faster. If you use a http proxy for file transfers, practically
  all transfers will be persistent.


  As is mentioned above, you can download multiple files with one command line
  by simply adding more URLs. If you want those to get saved to a local file
  instead of just printed to stdout, you need to add one save option for each
  URL you specify. Note that this also goes for the -O option (but not

  For example: get two files and use -O for the first and a custom file
  name for the second:

    curl -O -o moo.jpg

  You can also upload multiple files in a similar fashion:

    curl -T local1 -T local2


  curl will connect to a server with IPv6 when a host lookup returns an IPv6
  address and fall back to IPv4 if the connection fails. The --ipv4 and --ipv6
  options can specify which address to use when both are available. IPv6
  addresses can also be specified directly in URLs using the syntax:


  When this style is used, the -g option must be given to stop curl from
  interpreting the square brackets as special globbing characters.  Link local
  and site local addresses including a scope identifier, such as fe80::1234%1,
  may also be used, but the scope portion must be numeric and the percent
  character must be URL escaped. The previous example in an SFTP URL might
  look like:


  IPv6 addresses provided other than in URLs (e.g. to the --proxy, --interface
  or --ftp-port options) should not be URL encoded.


  For your convenience, we have several open mailing lists to discuss curl,
  its development and things relevant to this. Get all info at Some of the lists available are:


    Users of the command line tool. How to use it, what doesn't work, new
    features, related tools, questions, news, installations, compilations,
    running, porting etc.


    Developers using or developing libcurl. Bugs, extensions, improvements.


    Low-traffic. Only receives announcements of new public versions. At worst,
    that makes something like one or two mails per month, but usually only one
    mail every second month.


    Using the curl functions in PHP. Everything curl with a PHP angle. Or PHP
    with a curl angle.


    Python hackers using curl with or without the python binding pycurl.

  Please direct curl questions, feature requests and trouble reports to one of
  these mailing lists instead of mailing any individual.