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

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329 views

Installing arch linux - unable to format filesystem

I had Centos & Windows systems dual booted previously. I am replacing Centos with Arch now. I have Centos's /boot installed on /dev/sda8 and / on /dev/sda9 When I try the following command on ...
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57 views

Exposing one network interface through another on Mac OS X

I have a network interface, as specified by ifconfig inet0: flags=8842<BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1400 ether 44:44:44:44:44:44 inet 20.23.10.51 netmask ...
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42 views

Live rsync directory monitor

While developing websites locally on my Mac I would like it to sync with my remote server on changes to the files inside the x directory. I have looked around and found lsyncd which almost does what ...
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68 views

Find files based on content and sender, receiver and based on date range provided

I would like to find files based on content and sender, receiver based date range provided More details below: Find files between date range (where folder names are the dates in the format yyyyMMdd) ...
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50 views

What does “locally installed” and “not essential” mean explaining difference between /bin /usr/bin /usr/local/bin?

I have read some word explaining the difference between /bin, /usr/bin and /usr/local/bin, or alikes, e.g. this question. But I don't understand what do they mean by not essential or locally ...
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40 views

Getting RQuantLib to work in R 3.0.2

I have installed the latest version of R from apt. When I try to install the RQuantlib package, I get an error because Quantlib is not installed. When I try to install QuantLib, it says that the ...
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70 views

Get more space for redis in unix server

In our app we have only windows servers beside the cases we use redis queues. This case , we use unix server created by amazon. As you can see we do not have a lot of space available and we want to ...
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63 views

How to redirect all traffic from one port to another host and port?

I have a socat running as redirector of traffic to another host, but it always hangs up and freeze. Maybe there is better options to do such a thing? My current command is: socat ...
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111 views

Forwarding mail from pine

I have an unix account on university servers and in one of my courses I need to forward all my mails to my personal box on gmail. I tried forwaring by opening .forward. In putty I connected to the ...
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58 views

Error while opening a new session(terminal) on UNIX

Every time I try to open a new session (terminal) in UNIX, I am getting these messages: tcsh: Argument list too long tcsh: Trying to start from "/u/username" Recently I made some changes in the ...
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664 views

Copy files between servers using jsch

I have a java program using jsch which will connect to one unix server and display the number of files in it. Now I need to connect to another unix server and copy one file from it to first server. ...
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138 views

Numpy Module not working…wrong architecture

My Bash profile looks like this : export PYTHONPATH=/Library/Frameworks/Python.framework/Versions/7.3/lib/python2.7/site-packages My error looks like this import numpy Traceback (most recent call ...
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31 views

SQLGetInstalledDrivers Function always searches /etc/odbcinst.ini file with iODBC driver manager on linux

Thanks in advance, I want to list all installed drivers on linux, I am using SQLGetInstalledDrivers Function for the same. Heres my code snippet: char buf[1024] = {0}; char *drivers= buf; if ...
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221 views

Failed to set permissions of path: ..\taskTracker\cyg_server to 0700

While running a job in Cygwin in Hadoop cluster, the permission failed. $ bin/hadoop jar hadoop-examples-*.jar wordcount inputwords outputwords2 Patch for HADOOP-7682: Instantiating workaround file ...
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104 views

Create FTP account under standard user

I run multiple client websites on a VPS purchased from Dreamhost. When I initially set up this VPS, I only required one user. I created a user called "thoughtspace" with the home directory at ...
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79 views

Installing php mail() function

I have recently set up a CentOS 6.4 server using the minimalistic installation. I have a working version of PHP up and running, but I want to be able to use the mail() function in PHP. What do I ...
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47 views

Can I highlight the line at which a command was issued in zshell?

I am using zsh and oh-my-zsh and would like to easily find the start of a i.e. ack or find by changing the color of the line the command started. Is it possible to change the line color as soon as the ...
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152 views

Install a VPN Server on Ubuntu or CentOS which is router compatible

I am new to this networking stuff and for the last three days I have been trying to install PPTP VPN Server on my Ubuntu. Computers running XP can connect to it without a single problem, but when I ...
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319 views

How to unwrap 80 character text

Many text filess around Internet are word split before line reaches 80th character. I understand it is desirable by those using 80 character terminals. However I like sending longer articles to my ...
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51 views

OS X — Set `Internal` flag on disk drive

I have an internal drive that OS X picks up as external? How do I tell the system that its actually internal? $diskutil info disk0 Device Identifier: disk0 Device Node: ...
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71 views

Setting mutt mimetype to handle multiple options

I've configured .mailcap for mutt to handle mimetypes of attachments individually, with different 'viewers' over the years which works well, however mailcap can handle only one application per type. ...
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82 views

How to edit a remote file with implicit su-ing to another user on remote host

I want to edit files on Unix/Linux servers from my PC (running Linux and/or Windows). However due to security, I cannot log into the remote server as the file owner, but as my named user, then sudo su ...
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46 views

Get rid of “seen” messages at GMail

The following is written by fetchmail in its log file: fetchmail: 96 messages (96 seen) for my@email at pop.gmail.com (638442 octets). From time to time this number of "seen" messages increases. It ...
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143 views

Installing mono without root privileges

I use mono on my mac now for my .NET development, when I dont feel like using my pc, but I want to use mono on my Universities linux server, but I dont have root. Is there a way I can install mono in ...
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754 views

How does iptables masquerading allow to access a different local subnet?

My Linksys router (IP 192.168.1.1 inside a /24 subnet) is connected to my ADSL modem (IP 10.0.0.138 inside a /24 subnet) to establish an internet connection via PPPoE. To be able to access the modem's ...
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177 views

Cron job not working due to wget error

I'm setting up a CRON job on my MediaTemple DV4 to generate a sitemap. To test I ran the command via the command line: wget ...
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47 views

Recovering a striped volume

Is it possible to recover a striped volume (6 TB from two 3 TB disks) that has had all it's data removed with sudo rm -rf? Assuming no overwrites. As a last resort (I'm a student with very few ...
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25 views

Different behavior from ubuntu server and ubuntu client on windows

#!/bin/bash # Reading cat /home/radiare/Desktop/first.txt | while read LINE do echo $LINE if [ "$LINE" == "false" ]; then echo "Inside first loop" break fi done echo "second file read started" cat ...
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73 views

Merge command history between the Python shell and the Unix terminal

A convenient feature of most Unix terminals is the fact that you can hit the up and down arrow keys to scroll through your command history to repeat old commands. This feature also exists in the ...
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69 views

LZMA Based Archiving on Linux

I am trying to build an archiving system. I have tested out LZMA compression algorithm, and it provides very good results. However, I need the ability to add and retrieve(will remain in the archive) ...
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33 views

Is it possible to run a server on a mounted file system?

I have two machines testserver and dev. I have the /opt directry on testserver mounted on my dev machine. Both machines are unix. I need to create and run an OpenDJ ldap server in the mounted ...
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761 views

ssh key permission denied failure

I have done so much of googling on this but just couldn't find the exact answer,there are many threads on this, all of them point to check for file permissions or $HOME directory which are right in my ...
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975 views

run a 802.1x authenticator on OpenWrt router

I have TP-Link TL-WR1043ND and I successfully Installed OpenWrt, FreeRadius2 and Wpad. Also Wireless client authentication is working fine. But my actual task is to restrict Wired Users to access the ...
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137 views

SSH To My Home Server From Another Location

I am at a location away from home and behind a firewall that does not allow any connections and any ports other than specific port to a specific ssh server. I am using Windows 7 and putty. Trying to ...
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336 views

Automation script to SCP from UNIX to Window Server

I'm new to server/Unix trying to transfer file between AIX to Windows I'm trying to create SCP or SFTP script that will run on cron and transfer text file on /usr/apps/11.111.1.11.log file to window ...
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145 views

Superimpose videos with FFmpeg

We’re trying to edit a video with FFmpeg. One of our videos has an alpha channel and we want to superimpose this above another video. example: Video 01: Start frame 1 end frame 200 Video 02: ...
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115 views

Why is process not being displayed by TOP

I am running a Mathematica script (this question probably doesn't fit in Mathematica.SE however) and I know that it generally takes up a lot of RAM and loads up my cores. However, althought pgrep ...
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69 views

Can someone put some restriction to copy few files from folder by root in linux

I have the backup script where i was making the tar backup of directory everyday. ON friday i note that my filesize was 30MB but beofrethat it was 200MB. I checked the main folder and it was around ...
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181 views

Why is my Solaris virtual machine doing this? (100% CPU usage at regular interval)

This is a clean installation of Solaris 11 X86 in the latest Virtualbox, running on Windows 7 host. I am downloading some files in the Solaris virtual machine, and all suddenly, this happens: I ...
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226 views

Copying From Windows to NFS: Can The Timestamps Be Preserved?

We have a Linux server that has NFS shares. Some Windows hosts (XP & 7) connect to it via Services for UNIX. I've been told the behavior is different from XP to 7 in terms of file creation dates ...
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215 views

Terminal emulation has stopped working. Garbage escape chars

To enable me to do some remote administration of our servers I started using a terminal emulation program called TouchTerm Pro on my iPhone. While not the smoothest experience, it has allowed me to ...
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134 views

Terminal highlighting and auto complete

Do you know some plugin for highlighting and autocomplete in postgreSQL terminal?
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96 views

Why the wireless connection in linux ubuntu often disabled suddenly?

I am using linux ubuntu. When I want to use a wireless or LAN, the connection is often turned off by the sudden. But suddenly the connection back to normal anyway. Maybe there's anyone who can help ...
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248 views

Make `ssh-agent` use the terminal, not an X app

The ssh-agent X app is irritating. I use a password manager and long random passwords. The password manager (pwsafe) puts the password into the clipboard (using secure ram), so it isn't displayed or ...
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0answers
116 views

Why is a remote server asking me to generate public/private SSH keys?

Each time I access a specific remote server, it asks me to generate my public/private SSH keys, that it keeps on the machine. Why is that? Don't I send my public key when I try to establish a ...
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186 views

Copy read-only Unix files

My teacher created a subdirectory that has a bunch of very lengthy .pl files he wants us to use to test our code on. I usually just xfer any files I need through WinSCP, but I don't have permissions ...
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93 views

Overlapping lines in AIX 5.3

When I type commands and hit enter my cursor line for some reason appears on the the second line from the end of the output: tomcat [server] /home/tomcat: ls -l total 24 -rwxr-x--- 1 tomcat dev ...
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941 views

How to install Unix on VM?

My system is has an AMD Athlon II x2 and I'm trying to install (one of the following?) Red Hat Linux Enterprise for x64 systems, debian for amd64, freebsd 8.1 for amd64 as a VM using Parallels or ...
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471 views

how to tar files with long name/long path

When I tar files with long path name, the file name is converted to "637", and the file doesn't exists in the packing file. I try to use gtar, with no successful. Do I need specific version of ...
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16 views

Direct Loging to a putty server

I am using the following to login automatically to a remote server and then run commands listed in a commands.txt, like this: start putty -l username -pw password -m commands.txt but it gives an ...