Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs.

learn more… | top users | synonyms

5
votes
0answers
431 views

Connection timing out when connecting to Milter service

I'm using a VPS with CentOS 5, containing Postfix and OpenDKIM. I have set up OpenDKIM using this guide. Everything seems to work properly as the log in /var/log/maillog does not report anything other ...
3
votes
0answers
165 views

Clarification on signals (sighup), jobs, and the controlling terminal

So I've read two different perspectives and I'm trying to figure out which one is right. 1) Some sources online say that signals sent from the controlling terminal are ONLY sent to the foreground ...
2
votes
0answers
35 views

What are the other uses of Hard Links , Junction Points , Symbolic Links

There are many answers on why Hard Links, Junction Points & Symbolic Links are useful. I understand Junction Points are supported Vista onwards and described as Directory Hardlinks (even though ...
2
votes
0answers
42 views

Windows 7, repetition of audio tick.wav, like those Unix guys can do, from other application.

At org-pomodoro_resources at master · lolownia_org-pomodoro · GitHub / resources, there is a tick.wav file, to be played repetitively, from Emacs. I have tried start, wmplayer, vlc, play (sox), and ...
2
votes
0answers
54 views

Edit bootable img file on mac OSx

I have downloaded a bootable image of ubuntu (7.95Gb .img file) for a Parallella (minicomputer), but its too big to fit on my 8 Gb micro sd card (which actually is only 7.8 Gb!). I would like to ...
2
votes
0answers
84 views

How can I create a CD or USB key that fully restores a Linux install? (a la the CDs that come with Windows boxen)

Whenever I assemble and configure a Linux PC for someone, I always run into the problem of what happens if they want to restore their system back to the way it was when they got it. Either they ...
2
votes
0answers
337 views

Cannot connect to local ip address OSX (Mavericks)

Here is the situation: I can ping and connect to localhost / 127.0.0.1 I can resolve hostname (dig / nslookup) I can ping my ip local ip address (10.63.66.185) and hostname from another machine I ...
2
votes
0answers
112 views

Unable to enter data into cells in sc

I'm trying to use sc, the classic Unix spreadsheet calculator, mainly because I want to be able to look at some csv files nicely formatted in my terminal. I installed sc 7.16 but am seeing some ...
2
votes
0answers
158 views

Recover FreeNAS network volume affected by rm -rf

I'm on OS X 10.8.2 and have FreeNAS 8.0 running with a 6 TB volume connected through AFP. 5 TB were recently deleted with rm -rf by a malicious script. The FreeNAS volume has no ZFS snapshots, ...
2
votes
0answers
1k views

LSOpenURLsWithRole() failed with error -128

I' opening an ML file from the terminal using an open command is OS X. Currently, the bindings are such that it opened the file through Sublime Text 2. I get the following error whenever I first open ...
2
votes
0answers
524 views

MySQL crashes when connecting from localhost with tcp (UNIX sockets work)

I have Ubuntu 12.04 running MySQL server 5.5.24. I can connect with mysql --user root -p. status shows me : ... Connection: Localhost via UNIX socket ... When I try to connect with mysql --host ...
2
votes
0answers
223 views

read unix config file from CLI

I need to access a configuration file from a Makefile, and thus seek for a short-readable-maintanable way of doing. The file is a python ConfigParser compliant file. #foo.cfg [foo] bar = baz I use ...
2
votes
0answers
43 views

Is there a way to specify the number of CPUs which NetBSD may use throughout its uptime?

I am try to solve a very weird X problem, and I have noticed that changing number of CPU cores of the machine that NetBSD runs on may help me to solve it. What I wish to do is to give NetBSD 8 cores ...
2
votes
0answers
502 views

Postfix: change sender address of bounce (mails from fetchmail)

I am running a Postfix MTA. Fetchmail is used to get mails from several POP3 accounts. The problem is: If a mail cannot be delivered, e.g. because it exceeds the size limit of the mailbox, a bounce ...
2
votes
0answers
592 views

How do I install LLVM 2.9 on Mac OS X Lion?

I need LLVM (2.9 specifically), but I can't figure out how to follow the installation instructions. Could someone kindly provide the step by step console commands for building/installing LLVM in the ...
2
votes
0answers
4k views

remove dir with files not working

I'm trying to remove this directory pear from my tmp folder, but it's not letting me. I tried sudo rm -r pear But then it asks me to override, and I put y and it says Permission denied. Any ideas ...
1
vote
0answers
19 views

Deny access to a specific folder for a sudo user

So here is the case: I am root in an Ubuntu system. I want to give a user (say username is X) permission to execute any command but at the same time I have a folder that I want no one to be able to ...
1
vote
0answers
22 views

umask linux incorrect file permissions

id buser - umask 0022 - group - appgrp directory /sample/sftp getfacl sftp # file: sftp # owner: appsdr # group: appgrp user::rwx user:590:rwx user:15003:rwx group::rwx mask::rwx other::r-x now ...
1
vote
0answers
19 views

Follow current window in screen -x

Using screen -x (after connecting over ssh) from a second computer is a great way to follow what someone is doing in a terminal. However, if the first person changes the screen window (C-a p or C-a ...
1
vote
0answers
36 views

Is cp -au / cp --archive --update contradictory?

I want to update a directory on a backup disk with new content added to the source, and of course rsync is too slow. cp -a does the trick but is a bulldozer; cp -u should leave existing files alone. ...
1
vote
0answers
83 views

Linux WBEM client to pull event logs from Windows SCOM Server

I was told by my UNIX team that a wmi/wbem client for Linux called WBEMCLI allows Linux to pull event logs from a windows server given that the right parameters are configured on the linux side. Now ...
1
vote
0answers
40 views

How I can dynamically subset a ttf font?

Let's say I have a long text: Latebrae agente praefuit imperator nec praefuit ducens insidiarum sunt insidiarum emensis fatorum ubi milites rebus Noricorum viam sorte rebus suis emensis tristissima ...
1
vote
0answers
17 views

Drop privileges in Pass (unix password store tool)

Pass is a Unix command line password manager http://www.passwordstore.org/ To read any stored password one has to input the master-password, it then allows to read/write any password. However this ...
1
vote
0answers
37 views

Monitor disk I/O used by specific command

I know that there are various tools for monitoring disk I/O, but I am wondering specifically if there is something equivalent to time for disk usage? For example, I am benchmarking a specific command ...
1
vote
0answers
149 views

.tmux.conf: How can I conditionally set a color variable?

Sometimes I use a light-colored terminal, sometimes a dark one. I export a THEME environment variable to conditionally set colors in my .bash_profile and .vimrc. I'm trying to do the same in my ...
1
vote
0answers
235 views

(111)Connection refused: mod_fcgid: can't connect unix domain socket

I have a problem with one of my webservers. I have Apache and Nginx (like a proxy-reverse server). My Apache run with mod_fcgid for PHP5.3. All works fine, but only on a few requests show me this ...
1
vote
0answers
127 views

How does one install this mcrypt package?

I'm using MAC os x Mavericks, so after dlownload mcrypt-2.6.8, I decided to to configure ( per the recommendation of a dozen blogs ) like so : MACOSX_DEPLOYMENT_TARGET=10.9 CFLAGS='-O3 -fno-common ...
1
vote
0answers
32 views

Difference between Virtual Console and Workspace?

Please explain all differences between Virtual console and Workspace in Linux. If possible also kindly requested to specify definition and/or example. Many thanks.
1
vote
0answers
27 views

Difference between ntsysv and system-config-services

Please someone can guide the difference between: # ntsysv # system-config-services ntsysv - tune services should be automatically started, is it similar to chkconfig?
1
vote
0answers
81 views

Directory and segments in Multics operating system

In Multics OS there are different access rights in the access control list for segments (execute, read and write) and directories (status, append and modify)(book). How do segments correspond to ...
1
vote
0answers
90 views

Are there any OpenGL implementations which can use a server to do the rendering?

Assume I have 2 independent machines, one running Debian sid, and the other running Windows 7. The one running Debian sid has a decent graphics card, the Windows 7 machine has no graphics card and a ...
1
vote
0answers
54 views

Retaining creation date with unison

Is there a way to retain creation dates using unison? I can preserve the modification times, but I also need creation dates. Edit: OS in use are BusyBox (EXT4) and OS X (Extended Journal)
1
vote
0answers
366 views

Enable ssh service from command line (single user mode)

How can i enable the ssh service in the single user mode? I know how to do it in Terminal: systemsetup -setremotelogin on How can i do it in the single user mode? And if i reboot the system that ...
1
vote
0answers
56 views

shell script for finding the unix noun phrase

one entry in the on database is: LPE-1*story#1/1 of pearl#1/2*historia de la perla*storia della perla* histoire de la perle* história da pérola*istoria perlei*TOPIC The fields are separated by ...
1
vote
0answers
106 views

How to create Unix tarball with various file permissions inside on a Windows box?

Could anyone enlighten me on how can I create a regular Unix tarball archive (e.g., tar.gz or tar.bz2) on a Windows box in a way that will mark some files in that archive as "executable" (e.g., with ...
1
vote
0answers
544 views

chroot under Mac OS X

So I have googled a lot with different search terms, but didn't find anything usable, only that intead of ldd I have to use otool -L to see the used libraries of a programm. I tried to copy bash into ...
1
vote
0answers
40 views

Reordering file lines like other file (Unix)

Is there a tool (or option for sort) which will re-order lines of a file so that they are ordered like a key in another file? For example, I have a data file: T01F01475558 30 T01F022B3A17 31 ...
1
vote
0answers
118 views

OpenDKIM Signing return fail when spaces in mail

Few days ago I install OpenDKIM Signing using on my CentOs 6 server by manual - http://stevejenkins.com/blog/2011/08/installing-opendkim-rpm-via-yum-with-postfix-or-sendmail-for-rhel-centos-fedora/. ...
1
vote
0answers
144 views

Linux Kernel-Module loading with modprobe - needs reboot

I was just playing around with the bios beep and therefore I had to load the module pcspkr. But the beep would only work when I rebooted the system. The module is definitely loaded, but the speaker ...
1
vote
0answers
612 views

File shows different size after copying to another directory

I used cp -rP <dir name> <new dir name> to copy the contents of a directory, including permissions etc from one dir to another. The odd thing is, either du is giving me some strange ...
1
vote
0answers
104 views

repeat command until process start or timeout unix

Is there anyway to check the number of file in a directory, if the number of files is correct, say 5 files, zip the files with zip -r total.zip. If the number of files is wrong, wait 3 seconds, and ...
1
vote
0answers
243 views

Retaining usable permissions and ownership copying unix files to NTFS

I have an old solaris system with terabytes of data on it. Recently we got a new server and I went along with the recommendation of a windows server "because it was easy to manage". Someone copied ...
1
vote
0answers
294 views

Unix set path not working

I installed a package s2cmd on my unix machine. It works fine when I run it from the folder it resides in, but it did not run from other locations so I set the PATH using the command export ...
1
vote
0answers
258 views

Did I kill windows boot manager? I can't boot after installing FreeBSD

I installed freebsd with dual-booting. I specified an empty partition for freebsd auto-configuring. After it was installed, windows boot manager disappeared. What's going on? Should I recover it, or ...
1
vote
0answers
763 views

How can I copy files recursively without overwriting the directories

On linux, let's say I have some files like this: dir1/file1 dir2/file2 and I want to copy them to a destination that already have dir1 and dir2 and looks like: dir1/file1 dir1/file1a dir2/file2 ...
1
vote
0answers
59 views

Supervisord 3.0a8 on debian ignores child logging options

I tried tried to configure the logging for supervisor child processes (http://supervisord.org/logging.html). Here's my config: [program:Test_Prog] command= /usr/bin/php TestProg.php ...
1
vote
0answers
121 views

Software to proxy socket connections across a TTY-like link

I'm looking for some software that can perform remote forwarding of socket connections across a TTY-style link. I have two machines, A and B. I have admin privileges on A, but not B, but on machine ...
1
vote
0answers
169 views

How do I search/replace symbolic links?

I've been having this issue for a long time, and I don't want to reinstall the whole system, yet. Now there's an app that runs on Java, and it doesn't even open. The logs says some cocoa files were ...
1
vote
0answers
104 views

Samba jobs disappear from Windows spooler

I searched for similar issues to no avail, yet I have multiple systems exhibiting the same bizarre behavior. Samba jobs printed to Windows printer shares arrive at the Windows workstation, but then ...
1
vote
0answers
141 views

What is the best tool to perform an automated/unattended virtual guest os install?

I would like to be able to add (and remove) virtual machines from my Ubuntu (12.04) host OS using 'unattended guest os installation' method. What I mean here is to pass a command to the software via ...