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• set proxy for vpn server on ubuntu server 12.4

  - by Morteza Soltanabadiyan

  I have a vpn server with HTTPS, L2TP , OPENVPN , PPTP. i want to set proxy in the server so all connection that comes from vpn clients use the proxy that i set in my server. I made a bash script file for it , but proxy not working. gsettings set org.gnome.system.proxy mode 'manual' gsettings set org.gnome.system.proxy.http enabled true gsettings set org.gnome.system.proxy.http host 'cproxy.anadolu.edu.tr' gsettings set org.gnome.system.proxy.http port 8080 gsettings set org.gnome.system.proxy.http authentication-user 'admin' gsettings set org.gnome.system.proxy.http authentication-password 'admin' gsettings set org.gnome.system.proxy use-same-proxy true export http_proxy=http://admin:[email protected]:8080 export https_proxy=http://admin:[email protected]:8080 export HTTP_PROXY=http://admin:[email protected]:8080 export HTTPS_PROXY=http://admin:[email protected]:8080 Now , i dont know what to do to make a global proxy for server and all vpn clients use it automatically.

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• Remote login/access on windows

  - by acidzombie24

  Hi I was wondering what software I can use to access my and other machines remotely? I used ssh which is nice but i don't know how it would be like on windows. (I assume its the same idea but windows console instead of a bash terminal?) Windows has a lot of applications that require GUI/MouseClicks. Actually I don't know a single ssh or vpn command line installer not that i'm complaining (but is helpful if you can mention some). I haven't use a VPN, is this taking control of a users screen/session? Or is it another instance/session as if you logged in as a different user on that box? What solutions are at my disposal for windows? (7)

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• Is there a way to prevent output from backgrounded tasks from covering the command line in a shell?

  - by Chris Pick

  I would like to be able to run task(s) in the background of a shell and not have their output to stdout or stderr cover the command line at the bottom. Frequently I need to run other commands to interact with the background processes and would like to do so from the same shell without having to open up another terminal or using multiplexer to split the terminal like screen. Ideally there would be some setting that I just don't know about (I commonly use bash or ksh), but a new or different shell or a script would be fine by me. I'm open to any suggestions and appreciate any help, thanks.

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• Why is the reported user "root" when a "normal user" executes "ps ux" on OSX? Is this normal behavio

  - by snies

  I am running OS X 10.6.1 . When i am logged in as a normal user of group staff and do a ps ux it lists my ps ux command as being run by root: snies 181 0.0 0.3 2774328 12500 ?? S 6:00PM 0:20.96 /System/Library... root 1673 0.0 0.0 2434788 508 s001 R+ 8:16AM 0:00.00 ps ux snies 177 0.0 0.0 2457208 984 ?? Ss 6:00PM 0:00.52 /sbin/launchd snies 1638 0.0 0.0 2435468 1064 s001 S 8:13AM 0:00.03 -bash Is this normal behaviour? And if so why? Please note that the user is not an Administrator account and is not able to sudo.

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• Load login shell inside user cronjob

  - by sa125

  I'm trying to run a rake task using a scheduled cronjob. My crontab looks something like this: 0 1 * * 1-7 /bin/bash -l -c "cd ~/jobs/rake && rake reports:create >> ~/jobs/logs/cron.log" Ruby on my account is provided by RVM, which is loaded via ~/.bashrc (before the no-interaction check): # load RVM env [[ -s $HOME/.rvm/scripts/rvm ]] && source $HOME/.rvm/scripts/rvm # If not running interactively, don't do anything [ -z "$PS1" ] && return # ... rest of logic Time and again, this task fails to run since RVM isn't loaded when the task is called (uses system's /usr/bin/ruby instead), and gem dependencies are missing. How can I make crontab load my shell environment before executing my scheduled jobs? thanks.

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• external SCSI tape drive DAT 72 problem Solaris 10

  - by Hassan

  Hi all, I have solaris 10 sparc running and working very well but i have problem with external SCSI tape drive DAT 72 problem it seems to me the tape drive is manufactured by SUN microsystems when i ran mt -f /dev/rmt/0 status it reveals the following output bash-3.00# mt -f /dev/rmt/0 status /dev/rmt/0: No such file or directory when i ran ls -l it reveals the following output ls -l /dev/rmt/0 lrwxrwxrwx 1 root root 43 Sep 20 2006 /dev/rmt/0 -> ../../devices/pci@8,600000/scsi@1,1/st@3,0: it seems to me everything is okay SCSI cable is connected properly to Tape device and to server as well the tape has SCSI termination dongle as well and connected properly to Tape device as well any ideas would be a great assist Thanks in advance

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• monitoring changes in windows of screen while screen is detached

  - by gojira

  It is possible to monitor windows in screen (I mean the terminal multiplexer called screen) with Ctrl-a M. However, I am only aware of the notification when I am looking at any window. What I want, though, is to somehow also be notified if the screen in question has been detached with Ctrl-a d. I.e., I issue the command to monitor a window in screen, then detach that screen, now I want to get a notification if the monitor detects activity, in some form (a string in the bash I'm using, or an email, or anything). Is this possible, and if yes how?

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• What's wrong with my custom .desktop xsession?

  - by Noam Gagliardi

  I want to create a custom Xmonad session that loads an .xsession script in my home folder. This is the original file I copied. This one works: [Desktop Entry] Encoding=UTF-8 Name=XMonad Comment=Lightweight tiling window manager Exec=xmonad Icon=xmonad.png Type=XSession This is my modified file, xmonad-custom.desktop. When I logout, then login choosing this "xmonad-custom", the screen just flashes and sends me back to the ubuntu login screen (as if it briefly logs in and out of the session): [Desktop Entry] Encoding=UTF-8 Name=XMonad Custom Comment=Lightweight tiling window manager Exec=/home/{username}/.xsession Icon=xmonad.png Type=XSession X-Ubuntu-Gettext-Domain=gdm I also tried without the last line. This is my ~/.xsession file, in case there's an error with this script: #!/bin/env bash xrdb -merge .Xresources trayer --edge top --align right --SetDockType true --SetPartialStrut \ true --expand true --width 15 --height 12 --transparent true --tint 0x000000 & dropbox start & exec xmonad

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• Weird problem with connection from putty to ubuntu server via SSH

  - by Eye of Hell

  Hello. I have an Ubuntu Server 9.10 box with sshd configured. I have two computers with Windows 7 professional and putty installed. Day ago, both computers was able to connect ubuntu server both via putty and plink. I have installed sun-java6-jre on ubuntu server, and now have a weird problem. First Windows 7 computer can still connect with both putty GUI and command-line plink. Second computer can connect via putty gui, but if i issue plink command that works perfectly on first computer: plink www.hostname.tk -i c:\users\username\documents\key\private.ppk I get login prompt, enter same username as on first computer, and receive following weird error message: bash: www.hostname.tk: command not found I can't see any difference between my Windows 7 computers :(. The ppk key used is same (i copied it multiple times both ways). hostname and username are same. Anyone have any ideas why such thing happens and what can i do in order to troubleshoot and fix it?

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• Virtual PC - Display Issue with Ubuntu Server

  - by Christopher R

  Hi Everyone, I just did a clean install of Ubuntu Server 9.04 in Virtual PC on the Windows 7 RC, and it seems to be having a bit of an issue with the virtual machine's display adapter. I've tried setting a VGA flag in the GRUB configuration to no avail. This is a guess, but I think it has something to do with the color console mode that gets enabled by default at boot time. The system starts booting just fine (i.e. the console looks "normal" when I'm asked to enter an LVM passphrase, etc.), but then the display goes wonky after a few seconds and I end up with this. Typing commands in bash works just fine: it's not like the system is frozen or anything, I just can't see anything that I type. The console looks exactly the way it does in the image below.

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• dmenu doesn't set environment variable as per my .bash_profile when running Emacs

  - by proofit404

  I have following ~/.bash_profile [[ -f ~/.bashrc ]] && . ~/.bashrc and ~/.bashrc ### Check for shell interactivity. if [[ $- != *i* ]] ; then return fi ### Nyan-cat prompt. PS1="\`if [ \$? = 0 ]; then echo \[\e[35m\]^_^\[\e[0m\]; else echo \[\e[31m\]O_O\[\e[0m\]; fi\` \$ " ### PATH export PATH=$PATH:$HOME/bin So when I run emacs from terminal all OK. When I start it with dmenu (getenv "PATH") and exec-path variable doesn't contain ~/bin directory. When I do it in xfce with xfrun4 command with same bash configuration all seams to work too. What is the problem with dmenu?

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• Symbolic link to text editor (Sublime) on Mac

  - by Michael

  I'm following along with this tutorial on how to use Sublime text editor https://tutsplus.com/lesson/services-and-opening-sublime-from-the-terminal/ . It gives instructions to enter the following command to enable opening of Sublime in the terminal. ln -s "/Applications/Sublime Text 2.app/Contents/SharedSupport/bin/subl" /bin/subl After creating that link, it says I should be able to do subl . to open all the files in a folder in Sublime. However, when I do it, it says -bash: subl: command not found My system says the file exists ln: /bin/subl: File exists Any idea what I can do?

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• Why are my at jobs running immediately on OS X?

  - by Gabe

  I want to schedule events for exact times in Mac OS X. It seems like the 'at' command is the simplest way to do this. I have enabled atrun using the command: launchctl load -w /System/Library/LaunchDaemons/com.apple.atrun.plist To test at, I'm using the following one-line BASH script: echo 'foo' path/to/log.txt | at now + 2 minutes When I run the script, I get output like: job 17 at Sat May 15 12:57:00 2010 where '12:57:00' is indeed 2 minutes in the future. But the echo command executes immediately: the line 'foo' is added to log.txt right away. How can I make at work for me?

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• Clear scr does not work

  - by idea_

  I haven't been able to use the "clear scr" command in a while, as I get the following error: root@server:~# clear The program 'clear' is currently not installed. You can install it by typing: apt-get install ncurses-bin bash: clear: command not found root@server:~# apt-get install ncurses-bin Reading package lists... Done Building dependency tree Reading state information... Done ncurses-bin is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. I'm using Ubuntu Server 9.10. I did some development with the ncurses library a while ago, so I've no doubt broken something.

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• Mac OS X Snow Leopard: permissions changed on /var results in dns lookup issues

  - by Ivan

  I was attempting to solve an issue ("/var/log/msmtp.log: permissions denied" error when attempting to send mail using msmtp) when I did this: > chmod -R 770 /var After that, my machine would not resolve domain names via cURL. (ping also fails) But, oddly, I can enter domain names into Safari and visit any web pages w/o a problem... I'm actually not sure if the chmod command is the cause of the problem, but I suspect it is. Also, if I ls -l on /var (or /private/var) it doesn't seem that any of the subdirectories or files there actually changed permission, but there are many, so I can't say that conclusively... Incidentally, I fixed the original error (msmtp.log permission denied) by setting TMPDIR=/tmp in my local environment (bash). Now the error goes away, but I get this error: msmtp: cannot locate host domainname.org: nodename nor servname provided, or not known Any ideas about how to go about getting DNS working again?

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• Multiple Memcached server /etc/init.d startup script that works ?

  - by p4guru

  I install memcached server via source and can get standard start up script installed for 1 memcached server instance, but trying several scripts via google, can't find one that works to manager auto start up on boot for multiple memcached server instances. I've tried both these scripts and both don't work, service memcached start just returns to command prompt with no memcached server instances started lullabot.com/articles/installing-memcached-redhat-or-centos addmoremem.blogspot.com/2010/09/running-multiple-instances-of-memcached.html However this bash script works but doesn't start up memcached instances at start up though ? #!/bin/sh case "$1" in start) /usr/local/bin/memcached -d -m 16 -p 11211 -u nobody /usr/local/bin/memcached -d -m 16 -p 11212 -u nobody ;; stop) killall memcached ;; esac OS: Centos 5.5 64bit Memcached = v1.4.5 Memcache = v2.2.5 Anyone can point me to a working /etc/init.d/ startup script to manage multiple memcached servers ? Thanks

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• Setting Up Git Repository on Remote Windows Server?

  - by Goober

  I have a windows server which I can access locally or remotely over the internet through remote desktop connection, etc. I want to set up a git repository (something similar to "trunk" in subversion), that can contain a series of repositories for multiple projects. Does anyone know how I go about doing this? I want to do it using a GUI if possible. I have followed this Git Bash Tutorial but it's very long winded and not exactly what I'm after. I'm using a Git client called MSYSGIT. Using this I just want to be able to set up remote repositories and start committing source code. Any help would be greatly appreciated!

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• Weird behaviour/rendering of backspace in Terminal.app when SSHing into zsh

  - by Nils Riedemann

  Hi there, I just stumbled upon a weird problem. When I SSH into my server (centos, zsh) and I type some stuff and hit backspace It looks like a space - but internally it really deleted the characters. ls -l a Note that the space between land a is actually when I hit backspace. When I now hit return ls -a gets executed. This is only in zsh, in bash it works fine. Hope anyone has an idea what this is all about and how to fix this.

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• rvm doesnt work when specifiying the path...?

  - by jtzero

  when typing in the path to the rvm it doesnt work $which rvm /usr/local/bin/rvm $ruby -v ruby 1.9.2p0 (2010-08-18 revision 29036) [i686-linux] $/usr/local/bin/rvm use 1.8.7 Using /usr/local/rvm/gems/ruby-1.8.7-p302 $ruby -v ruby 1.9.2p0 (2010-08-18 revision 29036) [i686-linux] #now w/o the path $rvm use 1.8.7 Using /usr/local/rvm/gems/ruby-1.8.7-p302 $ruby -v ruby 1.8.7 (2010-08-16 patchlevel 302) [i686-linux] $whereis rvm rvm: /usr/local/bin/rvm /usr/local/lib/rvm /usr/local/rvm .... /etc/bash.bashrc .... if [[ -n "$PS1" ]]; then ... [[ -s "/usr/local/rvm/scripts/rvm" ]] && . "/usr/local/rvm/scripts/rvm" anyone seen this?

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• Added user to CentOS, Updated sshd_config with AllowUsers, Login denied

  - by Gregg

  CentOS 5.3. I can SSH into the system as root just fine. Added a user and set their password. They have shell access (/bin/bash). I can su to the account from root just fine. I updated /etc/ssh/sshd_config with: AllowUsers myNewUser And restarted sshd: /etc/init.d/sshd restart When trying to ssh into the server with the new user, I get a permission denied. And yes, I've double and triple checked that I am using the correct password. Any help is appreciated.

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• How to execute a shell script on startup?

  - by vijay.shad

  I have create a script to start a server(my first question). Now I want it to run on the system boot and start the defined server. What should I do to get this done? My findings tell me put this file in /etc/init.d location and it will execute when the system will boot. But I am not able to understand how the first argument on the startup will be start? Is this predefined somewhere to use start as $1? If I want to have a case startall that will start all the servers in the script, then what are the options I can manage. My Script is like this: #!/bin/bash case "$1" in start) start ;; stop) stop ;; restart) $0 stop $0 start ;; *) echo "usage: $0 (start|stop|restart)" ;; esac

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• How to execute programs on mounted partition

  - by DevNoob

  This is the aplication I want to run. -rwxr-xr-x 1 manuel manuel 582841 Nov 22 09:51 PromServerMain This is the fstab entry /dev/sda8 /media/data0 ext4 defaults,user 0 2 This is the mountpoint lrwxrwxrwx 1 manuel manuel 5 Nov 16 14:23 data -> data0 drwxrwxr-x 9 manuel manuel 4096 Nov 22 09:26 data0 This is what I get manuel@P5KC /media/data/Projekte/PromServer/src $ ./PromServerMain bash: ./PromServerMain: Keine Berechtigung manuel@P5KC /media/data/Projekte/PromServer/src $ sudo ./PromServerMain sudo: unable to execute ./PromServerMain: Permission denied Even as root. I have no clue whats wrong. Any suggestions? System is Debian Wheezy Xfce.

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• why my server has a dir named "?"

  - by liuxingruo

  These are all the dirs in my server: ? bin boot dev etc home lib lost+found media media2 misc mnt net opt proc root sbin selinux srv sys tmp usr var why there is a "?" dir? Thanks very much. BTW: the touch command was found on my server(wiered). I list the bin dir: alsacard cp dd env hostname loadkeys more ps sed tcptraceroute alsaunmute cpio df ex igawk loadkeys.static mount pwd setfont traceroute6 arch csh dmesg false ipcalc logger mountpoint raw setserial tracert awk cut dnsdomainname fgrep kbd_mode login mv red sh view basename date doexec gawk keyctl ls netstat redhat_lsb_init sleep ypdomainname bash dbus-cleanup-sockets domainname gettext kill mail nice rm sort cat dbus-daemon dumpkeys grep ksh mailx nisdomainname rmdir stty chgrp dbus-monitor echo gtar ksh93 mkdir pgawk rpm su chmod dbus-send ed gunzip link mknod ping rvi sync chown dbus-uuidgen egrep gzip ln mktemp ping6 rview tar touch is missing, how can i get it back?

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• What's the best way to clean up after a fork bomb?

  - by raldi

  $ ls bash: no more processes Uh oh. Looks like someone made a fork bomb. Where I used to work, this pretty much meant that the shared server would need to be power-cycled, since even the sysadmins with root often couldn't get the problem cleaned up. Often, they couldn't even get a prompt. I've heard a few tricks (notably, to send STOP signals rather than KILL signals, since the latter would allow the remaining threads to immediately replace the killed ones), but I've never seen a comprehensive guide entitled So, You Have Yourself a Fork Bomb? Let's make one.

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• supervisord failed to start nagiosapi after reboot, need to run reload manually

  - by Bajingan Keparat

  I have supervisord to start nagiosapi everytime the server starts. The API created a status dump file called status.dat, which will get updated periodically. The following is the conf file that starts the api. [program:nagapi] directory = /home/nagapi user = api command = /bin/bash -c "source /home/nagapi/.virtualenvs/nagapi/bin/activate; /home/nagapi/nagios-api/nagios-api" stdout_logfile = /home/nagapi/supervisor_nagios-api_stdout.log stderr_logfile = /home/nagapi/supervisor_nagios-api_stderr.log Everytime i restart the server, supervisord cannot start the api. stderr.log claims that it cannot find the status.dat file located in /var/cache/nagios3. It seems like the files was not created yet when supervisor tried to run the api the first time. I'm saying this because if i do a supervisorctl reload, everything would reload just fine, and the api would run ok about 50 seconds after the reload command completes. should i change the command option of the conf file to check for

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