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• save as pdf in linux

  - by Neilvert Noval

  I have seen how simple it is for Mac OS to generate pdf from a document without additional software to install. But I am looking for this functionality in Linux. One scenario, for example, if I have myDocument.txt that contain an article, how can I convert this into pdf? My next question is, assuming that myDocument.txt is a 3-paged document, will it generate a 3-page continuous pdf and not just 3 separate pdfs? Any tools for linux that does this? (GUI is fine, but commandline is preferable)

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• Not able to send mail from solaris server

  - by Vetrichelvan

  I'm not able to send mails from my server using MAILX command,have found that some of them,sendmail.cf has no entry for DS.Is there any other things which can disable mail functionality in server?

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• Make a socket as an user but make it readable and writable by another

  - by user1598585

  I have a software that is run under user A, this software creates a socket in /sockets and the socket should be readable and writable by user B. I have tried setting the directory to have ownership A:A or A:B but when user A creates the socket, it ends up with uid A and gid A. Using ACLs has not helped so far, the default mask is preventing the rights to be effective. rw permisions for B will always turn into jusr r. If what I make is not a socket it will work fine. How can I best accomplish this task? (It is for a web-server where the web-application makes the socket and the web-server software forwards requests to it)

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• Gitolite SSH URL Format

  - by KPthunder

  So I got gitolite set up. Simple. But there is one issue I am having. The SSH urls follow the format of git@host:repo. I'm used to Bitbucket / Github where the urls follow the format of git@host:user/repo. Is there a way to get the latter format using gitolite? Another question. I have my ~/.ssh/config file set up with the following entry: Host <host> User <user> IdentityFile <path/to/public/key> I don't have any configuration specifying git as a user, and yet I am able to clone git@host:repo without problem. Obviously, my ssh client is using my public key to access the server which is why gitolite is letting me clone the repo, but how does my ssh client know to use my public key which is only configured for the <user> user and not the git user?

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• Cygwin file and directory user and group

  - by dvanaria

  I use Cygwin as my main development environment on both my home and work computers. In order to share files between the two computers, I use Dropbox, which is installed in the following folder on both computers: c:\cygwin\home\dvanaria\dropbox Everything works great, except for one thing. When I'm working on my home computer and do an ls -l on any directory, all the files show up as owned by dvanaria of group Users. But when I work from my work computer, an ls -l shows all files as being owned by Administrators and of group Domain Users. I know Cygwin uses some kind of mapping between Windows users and permissions to the /etc/passwd file. But to be honest I have no idea how this file works or how it maps to Windows under Cygwin. Could anyone help figure this out? The main problem is that I can't edit any files when using my work computer, only read them.

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• how to correctly download tomcat 6 on centos 5.5

  - by user582862

  hi guys, i am a big confused about how to install tomcat 6 on centos 5.5 final. this is what i am trying to do: # cd /etc/yum.repos.d/ # wget http://jpackage.org/jpackage50.repo # yum install tomcat6 tomcat6-webapps tomcat6-admin-webapps but when i type the widget command, this is what i get: Resolving www.jpackage.org... failed: Temporary failure in name resolution. wget: unable to resolve host address `www.jpackage.org' could anyone kindly show me the right way please. really in trouble at the moment with this. thanks in advance.

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• Can't read directory owned by my group

  - by Jonathan

  I moved the postgres data directory to a separate partition and it works great. The directory is owned by postgres user and postgres group. d-wx------ 11 postgres postgres 4.0K 2010-06-11 08:28 data/ I added myself to the group > sudo addgroup me postgres > groups me me : me adm dialout cdrom plugdev lpadmin admin sambashare postgres And gave the group read and execute permissions to everything in the directory. sudo chmod -R g+rx ./data d-wxr-x--- 11 postgres postgres 4.0K 2010-06-11 08:28 data/ But I still can not CD or LS the directory. > ls data ls: cannot open directory data: Permission denied What beginner mistake am I making?

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• Cisco NAC: help with enabling FTP or moving update files

  - by kyoung

  Hi, So this is a LINUX question, and a Cisco NAC question. I'm trying to update our server from 4.1 to 4.7, and i need to move some tarball files to the NAC. the NAC Appliance runs some strange stripped down version of Fedora Core 4 copying the upgrade: The instructions say to FTP the file to the NAC appliance, however whenever i use WinSCP with root credentials, i get a notice informing me the connection was actively refused. I can't for the life of me find any .conf files that sound like winners, so I don't know how to change the settings, however the ftp command does seem to work. what exactly should I do here?

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• /etc/hosts: What is loghost? (fresh install of Solaris 10 update 9)

  - by cjavapro

  # # Internet host table # ::1 localhost 127.0.0.1 localhost XX.XX.XX.XX myserver loghost What is the purpose of loghost? If it was not for having loghost in there, all the /etc/hosts files on all the servers in this particular network could be identical. Edit: I looked at /etc/syslog.conf #ident "@(#)syslog.conf 1.5 98/12/14 SMI" /* SunOS 5.0 */ # # Copyright (c) 1991-1998 by Sun Microsystems, Inc. # All rights reserved. # # syslog configuration file. # # This file is processed by m4 so be careful to quote (`') names # that match m4 reserved words. Also, within ifdef's, arguments # containing commas must be quoted. # *.err;kern.notice;auth.notice /dev/sysmsg *.err;kern.debug;daemon.notice;mail.crit /var/adm/messages *.alert;kern.err;daemon.err operator *.alert root *.emerg * # if a non-loghost machine chooses to have authentication messages # sent to the loghost machine, un-comment out the following line: #auth.notice ifdef(`LOGHOST', /var/log/authlog, @loghost) mail.debug ifdef(`LOGHOST', /var/log/syslog, @loghost) # # non-loghost machines will use the following lines to cause "user" # log messages to be logged locally. # ifdef(`LOGHOST', , user.err /dev/sysmsg user.err /var/adm/messages user.alert `root, operator' user.emerg * ) Very interesting. when shutting down,, alerts go to all users probably through *.emerg * Looking at ifdef, it seems that the first parameter checks to see if current machine is a loghost, second parameter is what to do if it is and third parameter is what to do if it is not. Edit: If you want to test a logging rule you can use svcadm restart system-log to restart the logging service and then logger -p notice "test" to send a test log message where notice can be replaced with any type such as user.err, auth.notice, etc.

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• Bash: verify that process has stopped

  - by pfac

  I'm working on script meant to start/stop a set of services. For stopping, it has to terminate many processes which take a while and might hang. The script needs to verify that the process has indeed terminated, and send an email if such does not happen after a given period. This is what I have: pkill -f "stuff" for i in {1..30}; do VERIFICATIONS=$i if verification_command then echo "It's gone" break fi sleep 2 done if [ $VERIFICATIONS -ge 30 ]; then echo "failed to terminate" # send mail fi Is there a better way to do this?

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• How to get the summarized sizes of folders and their subfolders?

  - by Kau-Boy

  Let's say I want to get the size of each folder of a linux file system. When I use ls -la I don't really get the summarized size of the folders. If I use df I get the size of each mounted file system but that also doesn't help me. And with du I get the size of each subfolder and the summary of the whole file system. But I want to have only the summarized size of each folder within the ROOT folder of the file system. Is there any command to achiev that?

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• Using rsync to synchronise folders without overwriting files of same name on Mac OS X

  - by Adam

  I would like to synchronise the contents of two directories. Without overwriting but to create a copy if two files have the same name, but different sizes Without duplicating if two files have the same name and size. To work recursively So far I have found the following command which might work $ rsync -varE --progress ~/folder /volumes/server/folder But I'm not entirely sure what the -E flag does. It was suggested by a user on bananica.com but couldn't see a description for it in the manual. Would this do what I require successfully? Thanks

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• Mongo Scripting the shell

  - by cKendrick

  On my production stack, I have a front-end server and a Mongo server. I would like to be able to set a cron job on the front-end server to create some logs daily. I wrote a script that does this: ./mongo server:27017/dbname --quiet my_commands.js If I run it from the Mongo server as above, it works fine. However, I would like to be able to run it from the front-end server. When I try to do that, I get: -bash: mongo: command not found Since mongo is not installed on the front end server, it gives me that error. Is it possible to somehow bind mongo to my mongo on the Mongo server?

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• Why does net rpc shutdown fail with the right credentials?

  - by brice

  The command $ net rpc SHUTDOWN -f -I xxx.xxx.xxx.xxx -U uname%psswd Fails with the following errors: Could not connect to server xxx.xxx.xxx.xxx The username or password was not correct. Connection failed: NT_STATUS_LOGON_FAILURE Could not connect to server xxx.xxx.xxx.xxx The username or password was not correct. Connection failed: NT_STATUS_LOGON_FAILURE When the credentials are definitely, absolutely correct. Whats going on?

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• How to change the mail domain server so it's not displaying IP? Changing [email protected] to [email protected]

  - by Pavel

  Hi guys. I'm kinda a noob as a server admin so please bear with me. I've installed postfix mail server and everything is working fine but the 'from' box is displaying [email protected]. I want to set it up so it displays domainname.com instead of IP. I just hope you know what I mean. My main.cf in postfix folder looks like this: # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. myhostname = mail.thevinylfactory alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = mail.thevinylfactory.com, thevinylfactory, localhost.localdomain, localhost relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all Can anyone help me with this one? If you need any more details please let me know. Thanks in advance!

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• How to run a process and completely detach it of its parent shell

  - by Bicou

  I'm running a program on a linux server that will take days to complete. I'm launching it from my workstation from an SSH terminal, as this program is command-line only. I want to be able to do all of these : launch that program, redirect standard outputs to files, exit my SSH session without making this terminate the process. I thought about $ ./MyProg.csh -params -foo -bar </dev/null 1>~/out.log 2>~/err.log & However, the process is terminated the moment I close my SSH session. My workstation is running Windows XP, and I cannot guarantee its uptime over several days, which is required for the processing of my data on the Linux server. As you may have noted, my program requires to be launched from CSH. Is it possible to do this ? Thanks.

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• Trying to delete a directory stored on a Windows server, from on a Mac, containing files created on the Mac, getting "Directory not empty"

  - by AdamG

  I am trying to delete a directory stored on a Windows 2008 R2 server, mounted on a Mac as network home (10.8.5). The directory was created by Safari and stores temporary internet files. I need to be able to delete this folder on logout from a Mac bash script. The Terminal on Mac shows the directory as empty: 36W-FacRm-02:History lwickham$ cd /home/lwickham/Library/Caches/Metadata/Safari/History 36W-FacRm-02:History lwickham$ ls -al total 0 drwx------ 1 lwickham CGPS\Domain Users 264 Nov 8 09:24 . drwx------ 1 lwickham CGPS\Domain Users 264 Nov 8 09:28 .. However, on the Windows server it has a single 0kb file that doesn't start with a "." but yet is invisible to the Mac. E:\FacultyHome2\lwickham\Library\Caches\Metadata\Safari\History>dir Volume in drive E is FacultyUsers2 Volume Serial Number is 8C17-4EF3 Directory of E:\FacultyHome2\lwickham\Library\Caches\Metadata\Safari\History 11/08/2013 09:24 AM <DIR> . 11/08/2013 09:24 AM <DIR> .. 11/07/2013 04:28 PM 0 http?%2F%2Fwww.google.com%2Furl?sa=t&rct= j&q=&esrc=s&source=web&cd=6&ved=0CFsQFjAF&url=http%253A%252F%252Fwww.usbanklocat ions.com%252Fhsbc-bank-usa-96th-street-branch.html&ei=5vR7UtmXEPjfsATe0YCIBA&usg =AFQjCNF9ypKbpYbXRng00FY3W8Y6cF1Tiw&bvm=bv.56146854,d. 1 File(s) 0 bytes 2 Dir(s) 514,231,967,744 bytes free 9ypKbpYbXRng00FY3W8Y6cF1Tiw&bvm=bv.56146854,d.1 File(s) 0 bytes2 Dir(s) 514,231,967,744 bytes free All my attempts to delete the dir from the Mac have failed: 36W-FacRm-02:History lwickham$ rm -fr /home/lwickham/Library/Caches/Metadata/Safari/History/* 36W-FacRm-02:History lwickham$ rm -frd /home/lwickham/Library/Caches/ rm: /home/lwickham/Library/Caches//Metadata/Safari/History: Directory not empty rm: /home/lwickham/Library/Caches//Metadata/Safari: Directory not empty rm: /home/lwickham/Library/Caches//Metadata: Directory not empty rm: /home/lwickham/Library/Caches/: Directory not empty

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• /dev/shm (shared memory) on linux

  - by Kirzilla

  Hello, Let's imagine that we have 8Gb of RAM on server. I'm mounting /dev/shm with 4Gb on board. mount -o remount,size=4G /dev/shm Will this memory be strictly reserved for shared memory or if /dev/shm is empty this memory could be used by regular applications (web server, php etc.)? PS:Sorry for my English. I'm asking it because I've just checked df -h and found tmpfs 6.0G 0 6.0G 0% /dev/shm on 8Gb RAM sever. I don't know who made this setup, but it seems to me awful. Thank you!

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• How do I make sure that BOTH my server and MYSQL have the same timezone?

  - by Alex

  Because when I create a time in Python scripts..I want it to match MYSQL's time. How do I make BOTH of them pacific time?

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• Replacement for NIS/YP

  - by mdpc

  The company that I am working for is embarking on replacing the current locally developed NIS/YP structure with LDAP. We already have AD in house for the Windows stuff and would like to consider using an AD system. The AD people are quite restrictive and would not support extensive modifications. We have needs to have the replacement include the support the full capabilities of the NIS/YP suite include netgroups, login restrictions to specific servers for specific users or groups of users, consistent passwords between the *nix and Windows environment,etc. Our environment is a mixture of Linux (suse, RH, Debian), Sun, IBM, HP and MPRAS as well as a NETAPP. So whatever we use must be totally inclusive to all environment. We have looked at Likewise, but our management wants other alternatives to compare with. What other things should I be looking at and what is you assessment of the alternative? Thanks

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• java for freebsd

  - by rawman

  I am trying to install java on freebsd 7.X and i have done following thing so far download the tar file from this link and store the file in cd /usr/ports/distfiles/ after that i run cd /usr/ports/java/diablo-jre16 or cd /usr/ports/java/diablo-jdk16 make config install clean and uncheck all the options in config screen now after doing all this now i am getting following message to indicate for amd version even if my server is using intel Core2Quad Q9550 2.83 GHz mail# make install === Vulnerability check disabled, database not found === License check disabled, port has not defined LICENSE === Found saved configuration for diablo-jdk-1.6.0.07.02_12 Because of licensing restrictions, you must fetch the distribution manually. Please access http://www.FreeBSDFoundation.org/cgi-bin/download?download=diablo-caffe-freebsd7-amd64-1.6.0_07-b02.tar.bz2 with a web browser and "Accept" the End User License Agreement for "Caffe Diablo 1.6.0". Please place the downloaded file(s) in /usr/ports/distfiles. * Error code 1 Stop in /usr/ports/java/diablo-jdk16. mail# (as before i was getting error for tzupdater so i downloaded tzupdater-1_3_29-2010f.zip and put it in a cd /usr/ports/distfiles/ folder)

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• Copying a large directory tree locally? cp or rsync?

  - by Rory

  I have to copy a large directory tree, about 1.8 TB. It's all local. Out of habit I'd use rsync, however I wonder if there's much point, and if I should rather use cp. I'm worried about permissions and uid/gid, since they have to be preserved in the clopy (I know rsync does this). As well as thinks like symlinks. The destination is empty, so I don't have to worry about conditionally updating some files. It's all local disk access, so I don't have to worry about ssh or network. The reason I'd be tempted away from rsync, is because rsync might do more than I need. rsync checksums files. I don't need that, and am concerned that it might take longer than cp. So what do you reckon, rsync or cp?

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• ubuntu bash shell

  - by redcoder

  hi, i am very new to ubuntu.... struggling to find the proper command to install Zend Server on my Ubuntu9.10 Server. After downloading the ZF Server and extracted, i try to run this command install_zs.sh 5.3 This is the ls of the extracted ZF archive install_zs.sh README upgrade_zs_php.sh zend.deb.repo zend.rpm.repo But it says command not found ... any idea ?

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• overload environment

  - by Richo

  I've recently switched across to nesting my home directory across all my machines in an svn repo, meaning that my utility scripts, configuration (irssi, vim, zsh, screen etc) as well as my .profile and so forth are easier to keep up to date across all the places I login. I use a set of sourced .local files to override them on a per site basis as required. As it stands, many of my scripts inherit some form of configuration, and for the most part I've been setting an environment variable in .profile, and then if needed on a per site basis overriding it in .profile.local This works great, but are there pitfalls in having a stack of environment variables? If I take my default environment from within an X session before any of my personal configuration I have not even increased it by 50% but some of the machines I work on are low resource, am I bloating my system unneccessarily, or being needlessly paranoid? Should I start moving this config into seperate flatfiles that are loaded as needed? This means extra infrastructure, or alternately writing a single module for storing config that all of my utilities can inherit.

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• Specify default group and permissions for new files in a certain directory

  - by mislav

  I have a certain directory in which there is a project shared by multiple users. These users use SSH to gain access to this directory and modify/create files. This project should only be writeable to a certain group of users: lets call it "mygroup". During an SSH session, all files/directories created by the current user should by default be owned by group "mygroup" and have group-writeable permissions. I can solve the permissions problem with umask: $ cd project $ umask 002 $ touch test.txt File "test.txt" is now group-writeable, but still belongs to my default group ("mislav", same as my username) and not to "mygroup". I can chgrp recursively to set the desired group, but I wanted to know is there a way to set some group implicitly like umask changes default permissions during a session. This specific directory is a shared git repo with a working copy and I want git checkout and git reset operations to set the correct mask and group for new files created in the working copy. The OS is Ubuntu Linux. Update: a colleague suggests I should look into getfacl/setfacl of POSIX ACL but the solution below combined with umask 002 in the current session is good enough for me and is much more simple.

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