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  • Command to find the source package of a binary?

    - by Delan Azabani
    I know there's a which command, that echoes the full name of a binary (e.g. which sh). However, I'm fairly sure there's a command that echoes the package that provides a particular binary. Is there such a command? If so, what is it? I'd like to be able to run this: commandName ls and get coreutils for example.

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  • pix 501, static route to d-link router (different subnet)

    - by ra170
    I have pix 501 cisco firewall with internal ip 192.168.10.1. I have connected d-link router (dir-655) to pix 501. The d-link router has internal ip 192.168.0.1 The picture would like something like that: |pix 501| has 192.168.10.1 ip |DIR-655| has 192.168.0.1 ip 1. |cable modem|----|pix 501|-------|DIR-655|-----PC 2. PC--------|pix 501|---------|DIR-655| | | |cable modem| When I'm on the wireless network (dir-655) with assigned ip of 192.168.0.x I can cross the subnet and connect to my firewall 192.168.10.1. (pic. 1) The problem is that if I'm on the 192.168.10.x network I can't connect to anything over at 192.168.0.x network. (pic.2) I've tried entering a static route like this: `route inside 192.168.0.0 255.255.255.0 192.168.10.1 1` I also tried assigning static ip to wan interface on DIR-655 to 192.168.10.30 and then tried this: route inside 192.168.0.0 255.255.255.0 192.168.10.30 1 But still, can't connect to 192.168.0.1 or anything on that subnet. Is there a way to setup a static route? Would adding a separate router between PIX 501 and DIR-655 help? I would think that static route like this should take care of it, but it doesn't. This is my route config and nat: (config)# sh route outside 0.0.0.0 0.0.0.0 (outside_IP) 1 DHCP static outside (outside_IP) 255.255.248.0 (outside_IP) 1 CONNECT static inside 192.168.0.0 255.255.255.0 192.168.10.1 1 OTHER static inside 192.168.10.0 255.255.255.0 192.168.10.1 1 CONNECT static or (route inside 192.168.0.0 255.255.255.0 192.168.10.30 1) (config)# sh nat nat (inside) 1 192.168.1.0 255.255.255.0 0 0 nat (inside) 1 192.168.10.0 255.255.255.0 0 0 nat (inside) 1 0.0.0.0 0.0.0.0 0 0 I ended up turning DIR-655 into an Access Point (turning off DHCP and pluging cable from PIX lan interface into one of the LAN interfaces on DIR-655, and leaving WAN port empty), that works as far as DIR-655 being on the same subnet now, and I can access every machine. However the question is, why can't I simply route between those two? would router between these two help? One of the reasons is, that the PIX 501 has only 10 licences, so now I'm using almost all of them. (I have few computers, iphones, ps3, print server, etc.) I would really appreciate some help! Thanks.

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  • RHEL json gem installation requires make?

    - by Salahuddin559
    When I try to install json gem (gem install json), at first it fails to do so, because of some dev package issue. After fixing it, it fails saying that "sh: make: command not found" and "ERROR: Error installing json: ERROR: Failed to build gem native extension.". Why is it failing on make? Notice this is not Mac, this is in RHEL 5 (4 or 5, not sure). Why is it not able to do some "build gem native extension"?

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  • Internal Server Error issue with Codeigniter. Cant open linked page

    - by Adam Perlis
    Hi I am VERY new to backend development. I am trying to setup a User Registration using Codeigniter. I have gotten pretty far but for some reason I can get the "Create Account button working. I have my site up and running on t-mrkt.com/mycisite would you guys mind taking a look and seeing where I might be going wrong? Here is a link to my files: https://www.dropbox.com/sh/z54j4qd50yf3t0p/MnnghGBB_D Thanks for your help! Adam

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  • Tab-completion friendly names for start / stop

    - by Ben Page
    I have many scripts that are used to start and stop services. It is frustrating when using tab completion that you need to type: ./serviceScript.sh [sta|sto] before there is enough information for tab-completion to complete the word start or stop. Does anyone have a different pair of words that could be sensibly used in the place of start stop, or alternatively, a better solution to my problem?

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  • unix script problem

    - by Darie Nicolae
    Hello everyone, I have a simple script which runs on a FreeBSD machine with the following code: #!/bin/sh `sed -i .bak '\:#start 172.0.0.3:,\:#end 172.0.0.3:d' /usr/local/etc/racoon/racoon.conf` echo $? It should delete a block of text between the two patterns. The problem is that if I run the sed command directly from shell it works, if i run the script the return code is 0. Why's that?

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  • What is the best place to setup system wide environment variables on Linux?

    - by Sorin Sbarnea
    I just want to setup a system wide environment variable, JAVA_HOME for all users, including root user. Requirements: accessible to normal users accessible to root always loaded, not only for bash (gnome-terminal does not start a bash by default) to work on Ubuntu, Debian and optionally Red Hat great if addition could be easily scripted So far here is the no-list: /etc/profile.d/java.sh - not executed if you start a new console from gnome-terminal /etc/profile - same as above ~/.profile - current user only, also any solution assuming ~ would not be acceptable because home directory could be on NIS, and JAVA_HOME could be different.

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  • OpenVPN bridged not pinging beyond openvpn server on Ubuntu/Windows 2003

    - by ani
    I set up an OpenVPN server using Ubuntu and a windows server 2003 client to interconnect two networks between two different offices. They can now ping each other, but the rest of the network cannot be contacted by the windows client. Office 1 has internal network of: 192.168.0.0 255.255.240.0 Office 2 has internal network of: 192.168.16.0 255.255.255.0 And the configuration files are: Server.conf port 1194 --script-security 2 up "/etc/openvpn/up.sh br0" down "/etc/openvpn/down.sh br0" # TCP or UDP server? ;proto tcp proto udp dev tap0 ;dev tun ca ca.crt cert openvpn.crt key openvpn.key dh dh1024.pem ifconfig-pool-persist ipp.txt server-bridge 192.168.0.59 255.255.240.0 192.168.6.72 192.168.6.75 push "route 192.168.0.0 255.255.240.0" push "dhcp-option DNS 192.168.0.2" push "dhcp-option DOMAIN testeers.local" keepalive 10 120 tls-auth ta.key 0 # This file is secret comp-lzo user nobody group nogroup persist-key persist-tun log /var/log/openvpn/openvpn.log status /var/log/openvpn-status.log verb 3 Client Config file client dev tap ;dev tun --script-security 2 ;proto tcp proto udp remote 1xx.2xx.xxx.124 1194 resolv-retry infinite nobind persist-key persist-tun ca ca.crt cert admin-VAIO.crt key admin-VAIO.key ns-cert-type server tls-auth ta.key 1 comp-lzo verb 3 Ifconfig on the server now shows the following: br0 Link encap:Ethernet HWaddr 00:50:56:8b:1a:49 inet addr:192.168.0.59 Bcast:192.168.15.255 Mask:255.255.240.0 inet6 addr: fe80::250:56ff:fe8b:1a49/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1081860 errors:0 dropped:1358 overruns:0 frame:0 TX packets:242385 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:76600615 (76.6 MB) TX bytes:64474575 (64.4 MB) eth0 Link encap:Ethernet HWaddr 00:50:56:8b:1a:49 UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:1144125 errors:0 dropped:7172 overruns:0 frame:0 TX packets:252486 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:109893729 (109.8 MB) TX bytes:66372620 (66.3 MB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:67865 errors:0 dropped:0 overruns:0 frame:0 TX packets:67865 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:5183276 (5.1 MB) TX bytes:5183276 (5.1 MB) tap0 Link encap:Ethernet HWaddr 32:4f:42:11:b7:c5 inet6 addr: fe80::304f:42ff:fe11:b7c5/64 Scope:Link UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:3329 errors:0 dropped:0 overruns:0 frame:0 TX packets:215472 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:373205 (373.2 KB) TX bytes:17465832 (17.4 MB)

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  • what i should do in order to build curl without error?

    - by hugemeow
    failed when i run ./buildconf the error information is as follows: [mirror@home curl]$ ls acinclude.m4 CMakeLists.txt GIT-INFO MacOSX-Framework packages TODO-RELEASE Android.mk configure.ac include Makefile.am perl vc6curl.dsw buildconf COPYING install-sh Makefile.dist README winbuild buildconf.bat CTestConfig.cmake lib Makefile.msvc.names RELEASE-NOTES CHANGES curl-config.in libcurl.pc.in maketgz sample.emacs CHANGES.0 curl-style.el log2changes.pl missing src CMake docs m4 mkinstalldirs tests [mirror@home curl]$ ./config [mirror@home curl]$ ./buildconf buildconf: autoconf version 2.63 (ok) buildconf: autom4te version 2.59 (ERROR: does not match autoconf version) [mirror@home curl]$ echo $? 1

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  • Simpler alternatives to commands with complicated options/syntax [closed]

    - by oxy
    A few I've found myself: HTTPie instead of cURL http PUT example.org name=John [email protected] https://github.com/jkbr/httpie ffind instead of find ffind --type=f make-?dist\.sh$ https://github.com/sjl/friendly-find Still in prototype phase dstat instead of netstat/iostat/vmstat/etc Dstat's output by default is designed for being interpreted by humans in real-time https ://github.com/dagwieers/dstat Silver Searcher better than Ack better than Grep It searches through code about 3x-5x faster than Ack. https ://github.com/ggreer/the_silver_searcher

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  • Cron ignoring an update to crontab

    - by GJ
    I've commented out a line in the crontab on a debian server, which I guess was there by default yet was causing me to get error emails every hour: # m h dom mon dow user command 17 * * * * root cd / && run-parts --report /etc/cron.hourly However, the error emails keep coming in as if it hasn't been commented out. The error emails: Subject: Cron <root@(none)> root cd / && run-parts --report /etc/cron.hourly (failed) /bin/sh: root: not found Any ideas?

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  • SSH ./config or ./Configure gives error

    - by JM4
    I am trying to install some packes on my machine running CentOS 5.5 but when i run ./config or ./Configure, I am returned: -bash: ./config: /bin/sh: bad interpreter: Permission denied -bash: ./Configure: Permission denied What do I need to change to correct the issue? I am connected as the root user

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  • How to configure RHEL so users can access an app GUI remotely

    - by Rhyuk
    I have an application installed in my RHEL6 box that has a GUI (AppGui.sh). My problem is that a few non-tech users would like to access this GUI remotely. I've tried several guides over the internet but I still cant make it work. I tried: -Installing X Window System -Enabling FORWARDX11=yes in my sshd_config -Exporting $DISPLAY variable -Connecting through ssh -X user@host (simply stays there) How can I setup my box from scratch to make this work?

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  • Kill named running screen with -X only works after reattached

    - by oversize
    Hello I am using ubuntu 8.04.4 and would like to start daemons like this: screen -dmS SESSIONNAME script.sh Then i want to kill these screens with -X like so screen -S SESSIONAME -X kill But, this does not work. Only if i attach and detach that session it gets kill'ed with above command. What am i doing wrong? I would like to not have to attach/deattach the session to kill it since i want to use fabric scripts that start/stop daemons remotly. - Thank you

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  • linux disk usage report inconsistancy after removing file. cpanel inaccurate disk usage report

    - by brando
    relevant software: Red Hat Enterprise Linux Server release 6.3 (Santiago) cpanel installed 11.34.0 (build 7) background and problem: I was getting a disk usage warning (via cpanel) because /var seemed to be filling up on my server. The assumption would be that there was a log file growing too large and filling up the partition. I recently removed a large log file and changed my syslog config to rotate the log files more regularly. I removed something like /var/log/somefile and edited /etc/rsyslog.conf. This is the reason I was suspicious of the disk usage report warning issued by cpanel that I was getting because it didn't seem right. This is what df was reporting for the partitions: $ [/var]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 9.9G 511M 8.9G 6% / tmpfs 5.9G 0 5.9G 0% /dev/shm /dev/sda1 99M 53M 42M 56% /boot /dev/sda8 883G 384G 455G 46% /home /dev/sdb1 9.9G 151M 9.3G 2% /tmp /dev/sda3 9.9G 7.8G 1.6G 84% /usr /dev/sda5 9.9G 9.3G 108M 99% /var This is what du was reporting for /var mount point: $ [/var]# du -sh 528M . clearly something funky was going on. I had a similar kind of reporting inconsistency in the past and I restarted the server and df reporting seemed to be correct after that. I decided to reboot the server to see if the same thing would happpen. This is what df reports now: $ [~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 9.9G 511M 8.9G 6% / tmpfs 5.9G 0 5.9G 0% /dev/shm /dev/sda1 99M 53M 42M 56% /boot /dev/sda8 883G 384G 455G 46% /home /dev/sdb1 9.9G 151M 9.3G 2% /tmp /dev/sda3 9.9G 7.8G 1.6G 84% /usr /dev/sda5 9.9G 697M 8.7G 8% /var This looks more like what I'd expect to get. For consistency this is what du reports for /var: $ [/var]# du -sh 638M . question: This is a nuisance. I'm not sure where the disk usage reports issued by cpanel get their info but it clearly isn't correct. How can I avoid this inaccurate reporting in the future? It seems like df reporting wrong disk usage is a strong indicator of the source problem but I'm not sure. Is there a way to 'refresh' the filesystem somehow so that the df report is accurate without restarting the server? Any other ideas for resolving this issue?

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  • Nohup over ssh won't return

    - by user1219721
    I am trying to do [me@myPc]$ ssh me@server "nohup myBashScript.sh &" My goal is to launch the process on the server, and then immediately return. It is not working: The job is started on server, but I still get the output on myPc and bash wait for completion prior to asking me for another command. Why ? It's not supposed to ! Any way to avoid that ? myPc is RHEL6.2 server is ubuntu 10.04 and both runs openssh

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  • Over writing output to a text file

    - by Naveen Gamage
    I'm trying to write wget command's output to a text file, but it always appends to the text file. #!/bin/sh download() { local url=$1 echo -n " " wget --progress=dot $url 2>&1 | grep --line-buffered "%" | \ sed -u -e "s,\.,,g" | awk '{printf("\b\b\b\b%4s", $2)}' echo " DONE" } file="$1" echo -n "Downloading $file:" download "$file" > file.log I tried using using > won't work, where am I doing wrong?

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  • iptables: Allow only HTTP access for web browsing

    - by user1448260
    Have a linux box, want it locked down but just be able to surf internet on it. Why is this script blocking http too? #!/bin/sh # # iptables -F # #Set default policies for INPUT, FORWARD and OUTPUT chains # iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT DROP # # Allow TCP connections on tcp port 80 # iptables -A INPUT -i eth0 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT iptables -A OUTPUT -o eth0 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT # # Set access for localhost # iptables -A INPUT -i lo -j ACCEPT # # List rules # iptables -L -v

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  • Lots of dropped packages when tcpdumping on busy interface

    - by Frands Hansen
    My challenge I need to do tcpdumping of a lot of data - actually from 2 interfaces left in promiscuous mode that are able to see a lot of traffic. To sum it up Log all traffic in promiscuous mode from 2 interfaces Those interfaces are not assigned an IP address pcap files must be rotated per ~1G When 10 TB of files are stored, start truncating the oldest What I currently do Right now I use tcpdump like this: tcpdump -n -C 1000 -z /data/compress.sh -i any -w /data/livedump/capture.pcap $FILTER The $FILTER contains src/dst filters so that I can use -i any. The reason for this is, that I have two interfaces and I would like to run the dump in a single thread rather than two. compress.sh takes care of assigning tar to another CPU core, compress the data, give it a reasonable filename and move it to an archive location. I cannot specify two interfaces, thus I have chosen to use filters and dump from any interface. Right now, I do not do any housekeeping, but I plan on monitoring disk and when I have 100G left I will start wiping the oldest files - this should be fine. And now; my problem I see dropped packets. This is from a dump that has been running for a few hours and collected roughly 250 gigs of pcap files: 430083369 packets captured 430115470 packets received by filter 32057 packets dropped by kernel <-- This is my concern How can I avoid so many packets being dropped? These things I did already try or look at Changed the value of /proc/sys/net/core/rmem_max and /proc/sys/net/core/rmem_default which did indeed help - actually it took care of just around half of the dropped packets. I have also looked at gulp - the problem with gulp is, that it does not support multiple interfaces in one process and it gets angry if the interface does not have an IP address. Unfortunately, that is a deal breaker in my case. Next problem is, that when the traffic flows though a pipe, I cannot get the automatic rotation going. Getting one huge 10 TB file is not very efficient and I don't have a machine with 10TB+ RAM that I can run wireshark on, so that's out. Do you have any suggestions? Maybe even a better way of doing my traffic dump altogether.

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  • Properly escaping check_command in nagios

    - by shadyabhi
    When I execute sudo -u nagios /usr/lib64/nagios/plugins/check_by_ssh.sh hostname "check_haproxy -u \"http://localhost:10000/haproxy?stats\;csv\"" it runs perfectly on the server. For this, I have this in my HAProxy.cfg define service { use generic-service hostgroup_name pwmail-ee-oxweb service_description HAProxy-ee servicegroups ssh-dep check_command check_by_ssh!check_haproxy -u \"http://localhost:10000/haproxy?stats\;csv\" contacts sysad,mail-hosting-rt } It doesn't work. Says that Return code of 127 is out of bounds - plugin may be missing. What am I doing wrong?

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  • Linux missing disk space

    - by cpt.Buggy
    I have KVM vps with strange disk usage: # df -h Filesystem Size Used Avail Use% Mounted on /dev/sdb 493G 1.2G 466G 1% / tmpfs 4.0G 0 4.0G 0% /dev/shm /dev/sda1 96M 41M 51M 45% /boot # du -sh / du: cannot access `/proc/1633/task/1633/fd/4': No such file or directory du: cannot access `/proc/1633/task/1633/fdinfo/4': No such file or directory du: cannot access `/proc/1633/fd/4': No such file or directory du: cannot access `/proc/1633/fdinfo/4': No such file or directory 1021M / How could it be? Where are ~20G of free space?

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  • sudo with -u via ssh -t in a crontab

    - by DJK_devel
    I'm trying to create a cron job that uses ssh to login to a remote server and run a script as a different user. I try: * * * * * source $HOME/.keychain/$HOST-sh && sudo -u $USER $PATH/$SCRIPT but this doesn't work because there is no -t option specified for ssh. The cron job needs to source the keychain file in order to work without a password, but I'm not sure where to include the -t option for ssh in this instance.

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