Questions specifically about Linux, as opposed to Unix-like systems in general, or to questions about a specific distribution or program.

learn more… | top users | synonyms

0
votes
1answer
31 views

Unable to connect FTP: 530 Login incorrect

My account has been created on a LINUX server and I am able to login through putty. I have changed my password also. But, to move a file there, I tried to connect that server through FTP client. I ...
2
votes
1answer
48 views

Will the Linux ( red-hat ) Open VPNC Client connect to checkpoint or nortel VPN gateways?

Site: http://www.oucs.ox.ac.uk/network/vpn/linux-solaris/index.xml?ID=VPNC What is open VPNC: VPNC is an open-source VPN client for Linux and other Unix systems which is compatible with the OUCS VPN ...
3
votes
1answer
56 views

Configure iptables on remote server without locking me up

I have a little remote server that I can access only with SSH, and what I want to do, is block all the traffic except port 22 for SSH. The first time, what I did was : iptables -P INPUT DROP And ...
1
vote
1answer
37 views

USB modalias. Meaning of numeric values

For the USB modaliases, I know that the values corresponding to the device's vendor and product ids can be found here: http://www.linux-usb.org/usb.ids Which online resources and/or kernel source ...
0
votes
1answer
353 views

how to have root partition LVM for RHEL 5.8 64 bit on AWS EC2

I am new to this and I have to create a RHEL 5.8 Amazon Machine Image (AMI) in which the root partition should be a logical volume. I know how to create a data partition as a logical volume but am not ...
3
votes
1answer
229 views

How can I prevent drivers from binding USB devices on a certain bus?

I have a setup with two Logitech Unifying receivers, each receiver has a keyboard bound to it. One of the receiver is to be used by the physical machine to which the devices are connected, the other ...
1
vote
0answers
35 views

Telnet IAC commands

I want to turn off character echoing in Telnet via linux command line by sending "IAC DON'T ECHO" command. I have been searching everywhere, and I couldn't find how to to do. Basically, I don't know ...
1
vote
2answers
39 views

Linux: how to get all login logs from my system [closed]

I want to know all the times a user logs since last year into my system? I used last command but it is not useful.
2
votes
4answers
70 views

Easiest way to chown the contents of a directory?

I often use ls -ld . # remember current user and group chown -R user.group . chown remembered_user.remembered_group . Isn't there an easier way to recursively chown all files and directories in a ...
3
votes
1answer
234 views

Having trouble exporting FUSE via NFS

I've got a self-written FUSE file system I mount on my NFS server on mountpoint /export/example/mount. Then I export a parent directory of the FUSE via NFS. The /etc/exports contains the options ...
1
vote
0answers
18 views

Copy a local file to a remote server, non-root privileges over sudo?

I'd like to do something like: scp local_file remote_server:/some_directory But in order to gain privileges to /some_directory, we need to call sudo. I know that a similar question had already been ...
1
vote
1answer
43 views

how to determine the max user process value?

Which value is correct?(or they are all correct, but which one will take effect?) $ cat /proc/sys/kernel/pid_max 32768 $ ulimit -a |grep processes max user processes (-u) 77301 $ cat ...
37
votes
5answers
17k views

Can I configure my Linux system for more aggressive file system caching?

I am neither concerned about RAM usage (as I've got enough) nor about losing data in case of an accidental shut-down (as my power is backed, the system is reliable and the data are not critical). But ...
1
vote
1answer
33 views

linux if else fails for some IP's

i am using the following code with if then to mount. It works for some IP's, it does not work for some IP's especially for FAILURE statement. Here is the code is_mounted() { mount | grep -qohw ...
8
votes
6answers
1k views

What are the platforms that Linux is being used frequently on besides x86?

What are the platforms that Linux is being used frequently on besides x86? I know that x86 dominates. But, what are other platforms that some people also use Linux for? Are there links for ...
48
votes
18answers
118k views

How do I find out what hard disks are in the system?

I need to know what hard disks are available, including ones that aren't mounted and possibly aren't formatted. I can't find them in dmesg or /var/log/messages (too much to scroll through). I'm hoping ...
0
votes
2answers
370 views

Linux Permissions vsftpd

I have mybb installed and running in /var/www/forums. I have two users part of the www group, logan and www-data. I have the recursive permissions of forums directory set to: chmod -R 755 forums ...
3
votes
1answer
2k views

Udev : renaming my network interface

I just installed RHEL 6.3 on a Dell 1950 server. This server as two GBit ports, Gb0 and Gb1. For some obscure reason, udev chose to name Gb0 eth1 and Gb1 eth0. This is definitly not a good find for ...
1
vote
1answer
24 views

Can GNU Parallel execute more parallel processes?

Can I for example execute: parallel -j 200 < list0 Where "list" has: nice -n -20 parallel -j 100 < list2 nice -n -20 parallel -j 100 < list1 Would this be feasible/possible?
1
vote
1answer
54 views

What does ^Z mean?

I tried using ^Z to send and application to the background(to then use fg to restore) but I notice that it says "Stopped" and in another terminal while monitoring htop, everything just freezes. Is ...
4
votes
2answers
35 views

Faster way to rename duplicate files (identified by fdupes) in another directory?

I have a directory full of pdf files of journal articles, most of which are named by their bibtex key. Some time ago I made a backup on an external hard drive, but I haven't kept it up to date and ...
0
votes
1answer
23 views

searching for sysvinit in a linux tree

This is the tree for petalinux. https://github.com/Xilinx/linux-xlnx/tree/xlnx_3.8 I am looking for sysvinit package,which contains things like init ,halt etc. When this source code is compiled we ...
0
votes
1answer
25 views

Starting GNU Parallel in background?

Is it possible to start GNU Parallel in the background, or somehow, send it to the background? I want to do this so that I can use two commands that run parallel at the same time. And why dont I ...
1
vote
1answer
405 views

Increasing Accuracy of Synaptics Touchpad - Arch Linux

Here's my current problem with my Arch Linux installation. The touchpad is horribly inaccurate. And by that, I mean, I cannot click links without having to sway back and forth. I've been resorting to ...
2
votes
1answer
18 views

blockdev --setro doesn't work (for me at least)

I'm sure I don't understood how blockdev works. I going to expose the case here and hope some of you can help me. The case: I have mounted a flash drive and it was mapped to /dev/sdb1. Then I type ...
0
votes
0answers
17 views

How to use UPSTART feature of ubuntu to restart the python script but not as root?

I am running my Python script using upstart feature of Ubuntu so that if for whatever reason my Python script dies or gets killed, it can be restarted automatically and everything is working fine - ...
3
votes
2answers
71 views

Denying “/opt/” access for SFTP Users other than particular dir

This is my first (newbie) post here in unix stackexchange. I want to use my WebServer (Debian) as SFTPServer giving access to particular employees. The dir structure is as follows under root: ...
1
vote
1answer
576 views

VirtualBox Hangs when installing freebsd 9.0

When installing Freebsd 9.0 as virtualbox guest, it hangs. Freezes the guest OS, other VirtualBox windows works fine. Logs attached, hardware is pentium D, 4 GB ram, Asus p5ld2 deluxe mainboard, OS - ...
0
votes
0answers
12 views

PCLOS FM - Kate editor really old version but classic PCLOS has a more current one

I have moved from classic pclinuxos to full monty some weeks ago. With great surprise, I realised that Kate editor is on version 3.12.3 while on the classic Pclinuxos is on much later one. Anyone ...
0
votes
0answers
35 views

linux VM ware + ifconfig

I have linux machine red-hat 6.3 VM machine when I run the command ifconfig -a I see also the interfaces - virbr0 and virbr0-nic what I want to get is only the interfaces eth0 and lo without ...
42
votes
7answers
18k views

Convince apt-get *not* to use IPv6 method

The ISP I work at is setting up an internal IPv6 network in preparation for eventually connecting to the IPv6 internet. As a result, several of the servers in this network now try to connect to ...
1
vote
1answer
17 views

Where are the files created by “make modules” when building and compiling the Linux kernel?

To build the kernel, I do make menuconfig make make modules For step3, where do the files go? What's the location for modules? Can I change it by using any env variables?
1
vote
1answer
28 views

Shell script fails to run on startup

I want an executable program to run on startup. For this reason, I created a shell script: /etc/init.d/server. Then I run chmod +x name_of_script and update-rc.d server defaults. server (script): ...
2
votes
2answers
56 views

How to get CPU Percentage as a Counter?

I would like to monitor total CPU utilization percentage as a counter. The reason I would like it as a counter is that data won't be lost between samples (and I can have the graphing side calculate ...
1
vote
1answer
80 views

File has bytes - appears to be empty

I'm having the following problem: Some text files (also some binary files) on my system are listed with the correct file size but when I open them, they appear empty. >ls -la -rw-rw-r-- 1 user ...
0
votes
1answer
32 views

Which Desktop Linux version can run decently on For P4 & 750MB Ram

I just installed Ubunta 13.10 on an old P4 with 750MB Ram, but the system is running too slow to be used for anything. I had XP running on it and worked fast enough to use, but I decided I wanted to ...
0
votes
0answers
21 views

linux + linux-x86_64-4.8.02.0030-k9-AMD64_ONLY_by_t3x.tar.gz

I am try to download this file: vpnclient-linux-x86_64-4.8.02.0030-k9-AMD64_ONLY_by_t3x.tar.gz from many sites but with un success for example ...
0
votes
0answers
30 views

linux + lib/ld-linux.so.2: bad ELF interpreter + cisco VPN client

I have Linux red-hat machine - kernel 2.6.32 64 BIT I installed the Cisco VPNC client on my Linux machine according to the instruction in the following site: ...
0
votes
1answer
21 views

linux + how to install glibc.i686

I try the following , but I get No package glibc.i686 available. what need to do in order to install the glibc.i686 or maybe other way? yum install glibc.i686 Loaded plugins: product-id, ...
1
vote
1answer
473 views

Deleting Non-empty Directory with smbclient

How can I remove a non-empty directory with smbclient? I have tried the following: 1) rm Result: NT_STATUS_NO_SUCH_FILE listing [dir_path] 2) recurse;rm Result: No Error but also nothing ...
5
votes
3answers
3k views

What is a command to find priority of process in Linux?

How can i view the priority of a specific process ?
1
vote
1answer
91 views

NICE a process and set it to RT

I have a Fedora with sopcast running two streams. When i watch the stream locally it looks perfectly. But after being processed thry my Fedora-box its a bit choppy. I want to set the streams to ...
0
votes
1answer
19 views

Shrink/reduce non-lvm disk file system

I have an vmware ext4 file system that non-lvm, non-partitioned file system that resides on a virtual 300GB disk. In other words, there is no partition and the file system was probably created by: ...
1
vote
1answer
247 views

Fedora 19 livecd - doesn't work with any tools on VirtualBox [closed]

I want to create a custom live distribution of Fedora. I am using Fedora 19 live CD on VirtualBox on Windows (64bit Macbook Pro) to do this. I have tried following on Fedora 19 32 bit, Fedora 19 64 ...
0
votes
3answers
196 views

NFS server on qemu guest

I need to know how I can mount block devices, placed on a qemu guest system, from host. So in this case we have NFS server placed on guest system and NFS client on the host's side. There are a lot ...
1
vote
1answer
21 views

Why does parallel slow down after a while?

I'm executing 60 scripts with GNU parallel(they all have wget commands in there)but I have noticed that after a few hours execution will slow down a bit. What could be causing this? I'm executing ...
0
votes
3answers
199 views

RHEL- mysql installation error

I am trying to install mysql in my RHEL 5.6 machine. I use the command yum install mysql. However, I receive the below error message. Transaction Check Error: file ...
0
votes
0answers
53 views

has someone fixed libssl.so.1.0.0 undefined symbols'SSL_load_error_strings' issue or know how to fix

looks like there's a broken libssl build which is missing items python CGI needs to work. I'm getting this error ...symbol SSL_load_error_strings, version OPENSSL_1.0.0 not defined in file ...
0
votes
0answers
19 views

Ubuntu + CISCO VPNC CLIENT for my new ubuntu version (32 bit )

I have newest Ubuntu Linux version 10.04.4 (32 bit ) I want to install Cisco VPNC client on this linux machines in order to connect to other customers I little confuse , which VPNC cisco version ...
0
votes
0answers
15 views

OpenLdap phpLDAPadmin restrict record deletion OR delegate password reset permissions for IT staff

I would like to restrict phpLDAPadmin task such as removing the deletion of a record feature. I tried to look up to figure out if there is any settings or value can be setup to disabled these task but ...