General :: How To Print An Aliased Path
Jun 7, 2011
it is probably very basic but I'm new to linux and the shell "dev" is defined to take me to the newest version (some kind of an alias?), in this case to the directory v0.9 in fact if I go one directory up to /design/ libs/at77000 and I do "ll" I can see: dev -> v0.9/.I am using ocean scripts and for documentation it is important for me to print/show which version is been used in the simulation.how to show the current version directory "v0.9" instead of "dev", i.e. I need to print this:Version Used: /design/libs/at77000/ v0.9/ the version is changing from time to time and that's why the path is defined as "/design/libs/at77000/dev/"
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Jan 16, 2011
I found the following function in /etc/profile file.
[Code]...
1. I dont undestand what "if ! echo $PATH | /bin/grep -qE "(^|:)$1($|:)"" this if statement actually comapres??
2. Also what is the difference between PATH=$PATH:$1 & PATH=$1:$PATH
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Oct 8, 2010
I use this command:
Code:
find ./ -atime +360
to figure out the files that haven't been accessed since 360 days. The command above will return results like this:
Code:
/uploads/2010/02/some-file-name.ext
/uploads/2009/08/another-file-name.ext
... etc
I'm taking here about tins of directories, thousands of files. I'm looking to find a command that makes me able to move the results above to another path, and to create that path once it doesn't exist like below:
Code:
mv /uploads/2010/02/some-file-name.ext /old-files/uploads/2010/02/some-file-name.ext
But I want the executed command to create this path
Code:
/old-files/uploads/2010/02/
If it doesn't exist.
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Feb 21, 2011
I have a program that takes a relative path as input appends it to a some path string to get the actual path.
Now all I can input is the relative path. So if I want to go one level above my input will be ../mypath.
If I know the depth of the path used internally, I can use .. as many times to go to the root directory and then give the absolute path. But suppose I do not know the depth of the directory, can I construct a relative path string such that it considers it as a relative path. One way could be to have enough .. in the path string so that I can force an absolute path for some maximum depth of path.
Is there some path string syntax that I am not aware of but can achieve this?
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Apr 26, 2011
Experimenting with shell variables, accidentally deleted the path variable how could I return to the original path value. What kinds of problems will I have if I don't have a path variable.
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Sep 14, 2009
I have a path c:windowsackup I need this string to be changed into /windows/back/up I used the command -bash-3.00$ echo windackup | sed 's/\//g' but the output is windbackup
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May 31, 2011
Current script:-
prefix=user@my-server:
find . -depth -type d -name .git -printf '%h�' | while read -d "" path ; do (
cd "$path" || exit $?
[code]....
How shall i go about changing the absolute path to relative path, so that /home/git/mirror/android/adb/ndk.git gets converted to /mirror/android/adb/ndk.git //echo <command> "$prefix$PWD.git" ?? - anything for relative path?
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Apr 15, 2009
I have three machines on three networks192.x.x.x10.x.x.x172.x.x.xThe routers are set to forward communication between 192. network and 10. network, and between the 10. network and the 172. network.However, there's not routing between 192. and 172.I want to fix that by using a machine on the 10. network to forward communication between the other two networks.The machine has one etherent connection eth0 whose address is 10.1.1.11I set up an aliased ip address eth0:0 to be 10.1.1.12 using Quote:ifconfig eth0:0 10.1.1.12Then I tried to set forwarding rules the 10. machine such that 10.1.1.12 address will provide access to the machine 172.1.1.55 as followsQuote:# iptables -t nat -A PREROUTING -d 10.1.1.12 -j DNAT --to-destination 172.1.1.55The default policies for all chains is ACCEPT.I then try to access 10.1.1.12 from 192.1.1.20 expecting it to actually access 172.1.1.55 ; it does not work
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Apr 7, 2011
I am having following problem:
RHEL 5.5 won't accept specifying an aliased interface (e.g. eth1:0) when I add a new host route to the routing table of a machine with multiple Ethernet interfaces. I have read that this works with Ubuntu, but RHEL gives problems. It only understands the interface card (e.g. either eth0 or eth1, but does not understand the aliased virtual interfaces within say eth0 or eth1).
As such, when I try to reach a host in the same subnet with the aliased interface and after adding that route to the routing table, Redhat won't reach that host.
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Mar 19, 2010
Apache httpd.conf (with server identity info removed)
CentOs 5.4 system info
I have a problem I've been banging my head against for hours.
I can't get an aliased folder to turn up: I just get a 404.
I've chowned the folder to apache:apache and most of it is chmod to 755. I tell apache of the changes, and have even tried restarting a few times.
I'm expecting it to turn up like this yyy.com/laura_shop/
(within which is a php script to do a shopping cart)
The apache directives look similar to what I have on my dev computer (which is Windows, mind you).
The directory and alias are defined within my main virtual server which you can see here:
virtual host conf directives
(see at top of the message if you would like to see the whole httpd.conf file)
I realise this is more of an apache/linux problem but perhaps familiarity with CentOS may get me the right answer quicker.
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Dec 15, 2010
it�s been several years since i played with iptables. I have setup like this:eth0 is the only physical device on box and eth0:0 is aliased. Traffic going out of the box to internet uses eth0eth0 116.55.58.1eth0:0 116.55.58.2I have a service listening on port 80 on 116.55.58.2Lets say my client connect to 116.55.58.2:80 through 116.55.58.1 , how do I force (mangle you name it) with iptables that the outgoing source address will be always 116.55.58.2?
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Mar 23, 2010
How can I combine multiple single page prints into a single print job? For example, using Firefox on Linux one can print a web page such that each sheet of paper has four pages printed upon it. I would like to combine several separate web pages so that for example, web-page-a, web-page-b and web-page-c (each less than one print page long) are printed on a single sheet of paper.
I would like to do this without having to use some form of image editor to combine and manage manually created temporary files.
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Jul 12, 2011
kernel 2.6.21.5, slackware 12.0
GNU bash 3.1.17
Code:
As you can see, /usr/local/bin is in the path. However, bash does not look for nasm in /usr/local/bin.
If I am root, things go well:
Code:
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Mar 10, 2010
Consider this stanza for a directory on my Apache server:
<Directory "/var/www/html/mine/wedding">
Options FollowSymLinks
Order allow,deny
Allow from all
AuthType Basic
AuthUserFile "/etc/httpd/htpasswd_file"
Require user username
</Directory>
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Jul 17, 2009
Java applet not loading image with relative path(e.g. images/1.jpg) but loads image with absolute path(i.e. from /root/user/images/1.jpg) . This is a problem when i want to host the applet on web server
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Oct 21, 2010
how to add a path to PATH variable permanently so that it remains persisent even after closing shell and rebooting the system when i added a path, to variable it remained there as long as i didn't closed the shell. but when i reopened it ,changed were undone.
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Apr 19, 2009
I am trying to figure out how i can add the path /usr/sbin/ into the $PATH variable. I want this to be used from the normal account. I am bored settinh this manualy each time my computer starts.
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Dec 6, 2008
I initially had a problem accessing the CUPS interface (see my other post) and got that resolved by adding the user "cupsys". Now, everything "looks" ok, and when I print a test page, it shows it as completed (in CUPS). However, the page never prints.
The printer is a Canon MP600 (using the canonmp600en.ppd file to configure it). Here's the output of my conf file.
Code:
# Show troubleshooting information in error_log.
LogLevel debug
[code]...
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Mar 23, 2011
Interesting problem: For the first time with Xubuntu 10.10 64bit, I am finding certain applications print corrupt. A varying amount of letters / numbers either get substituted/print a blank space/ print a box etc etc. This corruption seems to happen from a Pdf ( evince ) or Spreadheet ( Gnumeric ) Opening the same Pdf on another machine (ubuntu 10.10 32bit) prints perfectly. Opening the same .xls file on the original computer but using OOo Calc prints perfectly.
I guess I have ruled out any problems with the printer itself or the network JetDirect box. I have re-installed CUPS and evince and upgraded to the latest version of HPLIP but the problem appears unchanged.
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Jun 5, 2011
I cannot print pdf files. I have tried using okular and xpdf. The documents display in the program, but print preview shows a blank page. The printer then sends out blank pages. I have tried printing on 2 different printers using usb cables. Using terminal to process the commands shows error:
Quote:
xxx@xxx:~$ xpdf
***** MediaBox = ll:0,0 ur:611.976,791.968
***** CropBox = ll:0,0 ur:611.976,791.968
***** Rotate = 0
Segmentation fault
Converting to .ps also is blank.
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Dec 26, 2010
My wife has a canon MP470 printer and running ubuntu 10.10. I am able to print black and white, but unable to print photos. I got it to work using another driver, but not the 'correct' one for this printer. I have searched a bit and don't see anything about ubuntu 10.10, just older versions. Or should I just network her to my printer....?
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Feb 16, 2011
I'm running Kubuntu 10.10 with a Laserjet 5M printer. When I attempt to print a job from Firefox or from Okular, the job never gets onto the print queue. However, I can print test pages on the printer and also print from OpenOffice, so this seems to be app-dependent. I know the jobs aren't being queued because the job number doesn't increase (as shown by the jobs for the test pages). Both Firefox and Ocular give every indication that the print job has been processed correctly.
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Feb 26, 2011
Not sure when CUPS started acting up. I have the latest 13.1 current software installed.The first page to print is always OK, but all succeeding pages are overwritten. The second page shows the first page on top of it, and the third shows the preceding pages on top of it - and so on. Has anyone else seen this problem?I guess the printer buffer is not getting flushed correctly. If my configurations were trashed in some way, I don't know where to look for a fix.
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Aug 14, 2010
Just installed drivers for Lexmark pro200 - S500 series. However although it is recognised by the system and has a tick by its name, And tells me it is connected via usb file goes to print que but will not print. Also tells me it is Printing - localhost! is this correct?.
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Jun 14, 2011
When I add some path in .bashrc by commenting out old path and adding new one like this:
#EXPORT HOME_PLAY=/home/gem/old_play
EXPORT HOME_PLAY=/home/gem/play
EXPORT PATH=$PATH:HOME_PLAY
After saving above changes, I enter the command: source ~/.bashrc Now if I do echo $PATH, the path shows both the old PLAY_HOME and new PLAY_HOME. This is really bad and messes up a lot of things in my project. This problem only goes away if I logout or reboot, a rather very long process. What is happening is that the old path is added to new path element and the old path includes the old path element you want to remove.
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Aug 13, 2010
Does anyone know how to get the path with a inode number by C programming?
Or can I get the absolute path without giving a "path" but a inode number by C?
like this: get_path(unsigned inode);
not such this function: getcwd(".", xxx);
taowuwen@gmail.com
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Nov 4, 2009
I'm using my Linux (SLES 10) server as a File Server at this point. I need to set File Permissions to nested folders differently to different groups. For example:
homesharedengineering* should be read only for groupA
homesharedengineeringadmin should be read & write for groupB Plus read only for groupA
homesharedengineeringautocad should be read & write for groupC Plus read only for groupA
I've been using Webmin and Putty to set permissions but Putty only allows me the Default Group, it won't allow me to set several groups on the same directory. Webmin seems to allow me to add multiple groups (Webmin --> Others --> File Manager --> Info & ACL tab will provide extended abilities) but when I add multiple groups, they don't seem to take effect? I'm wondering if my setup at the 'Share' level or at the hierarchy of my folder structure (unix based) needs to be set specifically?
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Mar 23, 2010
running Windows 7 64bit with VMware Workstation 7.01-build 227600. I have some knowledge of Linux, I have installed f12 and have updated the system as of 03/22/2010. All updates completed successfully.
1) How do I install VMTools on the f12 (after mounting the CD/DVD tool package)
2) How do I update the gcc files it says are dependencies?
Here's what I get on installation:Before you can compile modules, you need to have the following installed...
make
gcc
kernel headers of the running kernel
and then I am prompted for this input from the install script:
Searching for GCC...
The path "" is not valid path to the gcc binary.
Would you like to change it? [yes]
and this is where I get stuck. How do I get around this or satisfy the requirements for the install?
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Aug 26, 2010
I've read one explanation saying it can allow malicious executables that are in the cwd to run in place of similarly named built-ins and core utilities.For something to wreak true havoc, wouldn't this only apply to root? And in any case, if '.' were appended to PATH instead of prepended, shouldn't that circumvent this "replacement" attack, since PATH's directories are scanned in order? (Aren't they scanned in order?)Are there any other issues besides this one?
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Jul 15, 2011
Our one remaining problem seems to be printing. She has an HP OfficeJet 6500 USB printer. We have the computer conntected. Strangely, when I boot from the CD the printer shows up as installed even though I did nothing to install it. After having submitted a print job it shows the printer status as "idle" and the print queue is empty. I tried deleting that printer and re-installing. The installation went as one would expect. However the results are the same. I'm beginning to think that somehow the problem is related to the fact that we are operating from the live CD. getting this thing to print from the live CD.
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