searching in mutt
* ~f brucewayne :From: matches "brucewayne"
* ~s party : messages with subject containing "party"
* ~d <2w : messages less than two weeks old. Also: year, month, week, day.
* ~t clarkk : To: matches clarkk (useful for sent-mail folders)
* ~O : old (i.e. unread but not new) messages.
~N is new unread.
~U is unread, i.e. both together.
* ~p : messages addressed to you (useful if your inbox is bombarded with mailing list or system report activity).
* ~p ~U : for messages to you you haven't read yet.
* . : matches everything. In effect, remove the limit.
l limit messages matching
l all show all messages
:set sort=from sort messages by "From"
:set sort=threads sort messages by "Thread"
:set sort=date sort messages by "Date"
mailbox "=cgerada" will show alerts in cgerada mailbox
Saturday, November 27, 2010
Friday, November 26, 2010
Bash Cheat Sheet
!! - Last command (usefull if you forget to run a command as sudo)
sudo !! (runs last command as sudo)
!foo - Run most recent command starting with 'foo...' (ex. !ps, !mysqladmin)
!foo:p - Print command that !foo would run, and add it as the latest to
command history
!$ - Last 'word' of last command ('/path/to/file' in the command 'ls -lAFh
/path/to/file', '-uroot' in 'mysql -uroot')
!$:p - Print word that !$ would substitute
!* - All but first word of last command ('-lAFh /path/to/file' in the command
'ls -lAFh /path/to/file', '-uroot' in 'mysql -uroot')
!*:p - Print words that !* would substitute
^foo^bar - Replace 'foo' in last command with 'bar', print the result, then
run. ('mysqladmni -uroot', run '^ni^in', results in 'mysqladmin -uroot')
{a,b,c} passes words to the command, substituting a, b, and c sequentially
(`cp file{,.bk}` runs `cp file file.bk`)
Ctrl + a - Jump to the start of the line
Ctrl + b - Move back a char
Ctrl + c - Terminate the command
Ctrl + d - Delete from under the cursor
Ctrl + e - Jump to the end of the line
Ctrl + f - Move forward a char
Ctrl + k - Delete to EOL
Ctrl + l - Clear the screen
Ctrl + r - Search the history backwards
Ctrl + R - Search the history backwards with multi occurrence
Ctrl + t - Transpose the current char with the previous
Ctrl + u - Delete backward from cursor
Ctrl + w - Delete backward a word
Ctrl + xx - Move between EOL and current cursor position
Ctrl + x @ - Show possible hostname completions
Ctrl + z - Suspend/ Stop the command
Ctrl + x; Ctrl + e - Edit line into your favorite editor
Alt + < - Move to the first line in the history Alt + > - Move to the last line in the history
Alt + ? - Show current completion list
Alt + * - Insert all possible completions
Alt + / - Attempt to complete filename
Alt + . - Yank last argument to previous command
Alt + b - Move backward
Alt + c - Capitalize the word
Alt + d - Delete word
Alt + f - Move forward
Alt + l - Make word lowercase
Alt + n - Search the history forwards non-incremental
Alt + p - Search the history backwards non-incremental
Alt + r - Recall command
Alt + t - Transpose the current word with the previous
Alt + u - Make word uppercase
Alt + back-space - Delete backward from cursor
(Here "2T" means Press TAB twice)
$ 2T - All available commands(common)
$ (string)2T - All available commands starting with (string)
$ /2T - Entire directory structure including Hidden one
$ (dir)2T - Only Sub Dirs inside (dir) including Hidden one
$ *2T - Only Sub Dirs inside without Hidden one
$ ~2T - All Present Users on system from "/etc/passwd"
$ $2T - All Sys variables
$ @2T - Entries from "/etc/hosts"
$ =2T - Output like ls or dir
.bash_profile = sourced by login shell,
.bashrc = sourced by all shells,
.bash_aliases = should be sourced by .bashrc
Run something:
for i in a b c; do $i 'hello'; done
Do something on a bunch of files:
for i in *.rb; do echo $i; done
If syntax:
if [ -e .ssh ]; then echo "hi"; fi
file check flags:
-e: file exists
-f: regular file (non directory)
-d: directory
-s: non-zero file
-x: execute permission
Avoid duplicates in your history:
export HISTIGNORE="&:ls:ls *:[bf]g:exit"
Wednesday, November 10, 2010
SMBCLIENT
smbclient -L servername
will show you all available samba / windows shares
To connect to a windows or samba share type
smbclient \\\\servername\\share -U username
you will be asked for your windows password for the username specified
once connected smbclient works like an FTP client
type help for a list of commands.
Keep in mind, you'll need a leading "\" before spaces (ex: My\ Filename.txt).
or alternatively put your filenames in quotes eg "My Filename.txt"
once connected
to copy directories and subdirectories type
recurse
to not be asked (prompted)if you want to replace files. type
prompt
Example:
smbclient '\\server\share'
mask ""
recurse ON
prompt OFF
cd 'path\to\remote\dir'
lcd '~/path/to/download/to/'
mget *
or, all on one line,
smbclient '\\server\share' -N -c 'prompt OFF;recurse ON;cd 'path\to\directory\';lcd '~/path/to/download/to/';mget *'
will show you all available samba / windows shares
To connect to a windows or samba share type
smbclient \\\\servername\\share -U username
you will be asked for your windows password for the username specified
once connected smbclient works like an FTP client
type help for a list of commands.
Keep in mind, you'll need a leading "\" before spaces (ex: My\ Filename.txt).
or alternatively put your filenames in quotes eg "My Filename.txt"
once connected
to copy directories and subdirectories type
recurse
to not be asked (prompted)if you want to replace files. type
prompt
Example:
smbclient '\\server\share'
mask ""
recurse ON
prompt OFF
cd 'path\to\remote\dir'
lcd '~/path/to/download/to/'
mget *
or, all on one line,
smbclient '\\server\share' -N -c 'prompt OFF;recurse ON;cd 'path\to\directory\';lcd '~/path/to/download/to/';mget *'
Wednesday, November 3, 2010
Setting UP VNC server on a CentOs or Redhat server
To set up VNC properly, so that you have access to the local default X console of your server as if you are sitting in front of the physical server. follow these steps. On the server, type vncpasswd as root to set a VNC password. You will use this password when connecting with vncviewer Edit the file /etc/X11/xorg.conf In the stanza called Screen, add this line: Option "passwordFile" "/root/.vnc/passwd" then add in the following lines at the end of the file: Section "Module" Load "glx" Load "dbe" Load "extmod" Load "freetype" Load "type1" Load "dri" Load "vnc" EndSection save the file Allow the ports in the iptables Firewall by typing the following: system-config-securitylevel In the "Other ports", add the following range. 5900-5904 Save and close the tool then restart the firewall by typing the following: service iptables restart or /etc/init.d/iptables restart type chkconfig vncserver on to have vncserver automatically start when the server next boots up. Then finally RESTART the server. |
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