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• How to mount a compressed ISO image?

  - by dma_k

  I have problem to mount a compressed (ISZ) image under Linux, which was created by e.g. UltraISO? I am aware about user-space fuseiso, but it fails to mount these images, as I have reported in Debian bugtracker (correct me if I ddi something wrong). I ask the community for a help: I need a proved solution to mount these images without decompressing them. I believe that CONFIG_ZISOFS kernel option cannot help, as it refers a special RockRidge extension (per-file compression with mkisofs -z or mkzftree).

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• How faster is using an internal IP address instead of an external one?

  - by user349603

  I have a mailing list application that sends emails through several dedicated SMTP servers (running Linux Debian 5 and Postfix) in the same network of a hosting company. However, the application is using the servers' external IP addresses in order to connect to them over SMTP, and I was wondering what kind of improvement would be obtained if the application used the internal IP addresses of the servers instead? Thank you in advance for your insight.

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• Install boot loader with no operating system on hard drive

  - by Jeet Robert

  I am trying to reset — or rather, install — a boot loader on my hard drive. I initially had a Linux distro installed, which I completely wiped out. Now, when I try to install Windows 7 from my USB, my machine says Missing operating System And when I don't boot with USB, it says "bootmgr is missing" So now I am wondering, how I can install a boot loader, so I can install Windows 7?

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• How to detect which process is doing a port scan

  - by Rick

  I have Linux server running a unauthorized process (which I do not know the name of) which is doing a port scan from the server out to the internet. How do I find out which process this is and kill it! Thanks!

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• Oracle Virtualbox on statically compiled kernel

  - by aking1012

  I can't seem to find any documentation on the subject. I'm working on putting together a linux install for a fairly "dirty" environment. Best practice there would be a statically compiled kernel with no module support. I can already do the customizations to strip out unnecessary drivers/etc to get the performance and disable module support. Does anyone have a link or any ideas on how to get the Oracle Virtualbox module (not the OSE one, I need USB passthrough) compiled in?

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• Monitor Network Activity of Applications and Users from the Command Line (like Top does for processo

  - by LonnieBest

  Is there a linux command, that works like "top" (like top does for monitoring processor utilization), but shows network activity of users and applications realtime?

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• How to kill a process started with a different user without being root or sudoer?

  - by ATelesca

  Hello, in a Linux environment, I need to kill a process which has been started by user2 if I am user1 without being sudoers or using root. Do you know if there is a way of setting that when launching the process? Such as a list of users allowed to kill the process? Thanks

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• Looking for a web interaction layer for SmartList

  - by spot

  We run quite a few internal mailing lists with SmartList (procmail). I need to offer a web interaction ability (think Google Groups) to the mailing lists. Is there anything that will do this on top of SmartList? If not, is there anything that will do this in general on another linux mailing list manager?

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• Changing Java from OpenJDK to SunJava

  - by SpiXel

  I want to change OpenJDK to SunJava in my ubuntu linux desktop , i have downloaded the "jdk-7.tar.gz" from sun's website, but there problem is how to make the system to use the newly downloaded java ? I tried adding the new jdk/bin/java to my PATH ( from .bashrc ) but that seem not to work (cause probably OpenJDK's path is inside my PATH variable as well , so the system checks that first) Here's my JDK7 : /usr/lib/jdk7/bin/java Here's what $(which java) outputs : /usr/bin/java Thanks in advance

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• Rookie file permissions question

  - by Camran

  What is the ending 'r' for and the leading 'd' for in file permissions on Linux? Example: drwxr-xr-x I know about the user, group, others part, and I know w=write, r=read, x=execute. But I don't know about the leading 'd' and the trailing 'r'. Care to explain? Thanks

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• Lightweight ad-blocker for firefox

  - by student

  On a old machine (512 MB RAM) I am currently running ubuntu jaunty and firefox 3.0.15. I tried the ad blocker addon add block plus but it eats lots of RAM (300 MB). Is high memory load of this add-on a bug, which is fixed in a newer version or just normal? If so, why is the memory usage so high? Is there another ad blocker add-on for firefox or another browser- add-on combination for linux (ubuntu jaunty) which uses significant less RAM?

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• What options do I need to pass to compile something to /usr/lib64?

  - by Phillip Oldham

  I'm trying to install a newer version of libevent than is on my machine, so I can install memcached. However, the install for memcached complains that the libevent library isn't in /usr/lib64 and that it isn't 64bit. What options do I need to pass to ./configure to get it to compile as 64bit and/or into the /usr/lib64 directory? This is what I have at the moment: CHOST="x86_64-pc-linux-gnu" CFLAGS="-O2" CXX=gcc CXXFLAGS="-O2" \ CC=gcc CXX=gcc \ ./configure --prefix=/usr Thanks!

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• TCP: Treason uncloaked!

  - by hurikhan77

  On one linux server (Gentoo hardened), we are experiencing bursts of the following messages in dmesg from time to time: TCP: Treason uncloaked! Peer xx.xx.xxx.xxx:65039/80 shrinks window 4094157295:4094160199. Repaired. Is there anything we should take care of or is this normal?

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• How to create union of two directories?

  - by Petteri Hietavirta

  In case of unix/linux, is there a way to create union of two directories without copying or linking manually everything to a single directory?

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• Set up Ubuntu to boot in Terminal mode with all service running.

  - by Darkmage

  Im running a virtual linux server on a low-end system, and i wold like to configure the server to boot in terminal window and not to the Gnome log in window, this is because of the low specs on the hardware.

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• How to set multiple subdomains in the host file (DNS)?

  - by Milos

  I have a lot of subdomains in the main domain xxx.zzz So, for this domain, I can have aaa.xxx.zzz bbb.xxx.zzz ccc.xxx.zzz ddd.xxx.zzz eee.xxx.zzz ....ETC.... Istead of adding each subdomain in the host file, I would like to add only the main domain xxx.zzz and then to be able to access all the subdomains. I have tryed with *.xxx.zzz but apparently, this will not work (Linux or Windows). Any idea is welcome. Thank you very much.

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• RAID level hard drives?

  - by JT

  Hi All My Motherboard has 4 internal SATA ports. I am considering a linux software raid. I plan to use this for backing up my work movies, music etc Do I need to spend the money on RAID Level drives? Or am I safe with standard hard drives? a 2TB Hitatchi 7200 is like $89 at NewEgg where a Samsung F1 RAID 1tb is $150.00 Thoughts?

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• Automake thumbnail

  - by Webmaster

  What I need to do is a program that given (as a command line argument) a directory with more directoreies inside, and 4 Pics inside of each dir, the program makes a thumbnail of the 4 files and glues them together (2 rows, 2 columns) and renames that image to the name of the directory. I think it could be done with a combination of a program and shell scripting (I'm experienced in M$, but new to linux). Some real examples would be great. Thanx in advance

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• Which twitter client can synchronize unread tweets?

  - by Tom Burger

  Right now I'm forced to read all the tweets in a single client on a single device (TweetDeck on my Android phone). If I would switch to another device and/or client, I would need to search for the last unread tweet, which is sometimes complicated (too many tweets). So, the question: Is there a client who can keep the status (read/unread) on tweets across multiple devices? My target systems would be now Android and MS Windows, but also Linux might be handy.

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• How do I host a Windows Terminal (to run Windows applications and be accessed by users via a standar

  - by Ivan

  How do I host a Windows Terminal (to run Windows applications and be accessed by users via a standard MS Remote Desktop client) on a Linux server? I've heard there are some alternatives to Microsoft server software for this purpose.

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• How to sort ps output by process start time ?

  - by Dean Smith

  Is there a way to sort ps output by process start time, so newest are either at the top or bottom ? On Linux ? On SysV5 ? On Mac ?

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• Allowing an user to execute just something

  - by Jack

  Hello, which is the best way to allow a new user that I just created on ubuntu linux 9.04 to execute a script that requires some sudo without allowing him to the sudoers? The fact is that I want to give the user just the ability to execute that script, without letting him to do anything more. Is there a simple way to do it?

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• Monitor number of bytes transferred to/from IP address on port.

  - by Mike

  Can anyone recommend a linux command line tool to monitor the number of bytes transferred between the local server and a specified IP address/port. The equivalent tcpdump command would be: tcpdump -s 0 -i any -w mycapture.trc port 80 host google.com which outputs : 46 packets captured 131 packets received by filter 0 packets dropped by kernel I'd like something similar that outputs: 54 bytes out, 176 bytes in I'd like it to work on RHEL and be free/open-source. It would be good if there was an existing tool which I was just missing too!

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• What hardware specs do I need to run Apache/PHP and SVN?

  - by John Isaacks

  I want to build a linux machine to use as a test server (LAMP) and use SVN on it. I am thinking maybe Ubantu as the OS but what hardware specs would I need. I think the entire site is less than a gig but if SVN is going to keep multiple versions than wouldnt I need a huge hard drive? Any tips would be nice. Thanks!!

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• How do I preserve ownership permissions when copying to an external volume?

  - by Yitzchak

  When I upgrade or reinstall linux I backup my home folder by running sudo cp -pr /home/users/yitzchak /media/externalHDD/backups. When I do this I get errors saying that permissions could not be preserved and when I copy the folder back onto my local disk I see that ownership has been changed to root and I have to chown all of them back, which has to be done manually piecemeal because not all files have the same group. Is there any way around that?

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