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
0answers
8 views

similar content Project access from a single file

I create three different project which are access different three different database. Except that all project files are same. so, I want that in a project folder all project files and in other two ...
0
votes
0answers
21 views

Get number of installed RAM sticks on server and size

I found that into the directory /sys/block I can list the block devices [root@srv block]# ls loop0 loop3 loop6 ram1 ram12 ram15 ram4 ram7 sda loop1 loop4 loop7 ram10 ram13 ram2 ram5 ...
0
votes
0answers
14 views

LFS 7.5 - How to make GUI [on hold]

I just finished building LFS 7.5 now I'd like to add a GUI to it. But I do not want to add anything like xfce or anything like that. I'd like to make one on my own, but I don't know where to start. ...
2
votes
1answer
23 views

Is it possible to force a group member to run something allowed by sudoers as himself only?

The sudoers line is %game_servers ALL= NOPASSWD:/usr/bin/renice which allows group members renice any process run by any user without pw, but I'd like to allow group members renice their own ...
11
votes
1answer
1k views

Fix Fn-keys for keyboard illumination

I've tried following the Ubuntu hotkeys/media keys troubleshooting guide and /usr/share/doc/udev/README.keymap.txt.gz to make the Fn keys work. After copying the map file and modifying ...
3
votes
1answer
436 views

RHEL - GDM could not write to authorization file

I am getting an error as "GDM could not write to your authorization file" if I try to login as a non root user in my RHEL system. I restarted the machine hoping that the tmp files will be cleared and ...
4
votes
1answer
72 views

Multi-Threading/Forking in a bash script

I have written a bash script which is in following format: #!/bin/bash start=$(date +%s) inFile="input.txt" outFile="output.csv" rm -f $inFile $outFile while read line do -- Block of Commands ...
0
votes
1answer
12 views

Configuring setcifsacl to use local posix user instead of SID for CIFS share on Linux

I have a CIFS filesystem (from a NetAPP) mounted on a Red Hat 6 server using cifs_utils, and am sharing some directories from the CIFS filesystem out over HTTPS via WebDAV. I need to set some ACLs on ...
0
votes
2answers
36 views

Installed Linux, now Windows doesn't boot anymore

I had a working Windows 8.1 which I used regularly. Today I needed Linux, so I chose Ubuntu and installed it from a bootable flash drive alongside Windows. Everything worked well, I could choose which ...
1
vote
0answers
4 views

How can I find out what's seeding in Vuze if it's not listed anywhere in the application?

I use Vuze (formally known as Azuereus) for downloading torrents. But for some time now it's been seeding something that I can't see or find anywhere. It's not listed in any of the lists that are ...
2
votes
0answers
20 views

Change color balance on Intel Graphics

My laptop has some screen or cable problem, because of which the screen is all pink colour. In Windows I use my Graphic Card configuration software to change the screen colours mixing colour channels ...
0
votes
0answers
23 views

copy mount from one server to another

I'm trying to copy the mount point from server1 to server2. So I copy the file, which I found in /etc/fstab, and did mount -a. It gives me the following error: mount: special device /dev/dX/dY does ...
0
votes
0answers
8 views

Running PFsense X86 on the Arm Chromebook with qemu-kvm [on hold]

I need to run the PFSense on the google-samsung arm chromebook using qemu-kvm. Thanks.
0
votes
1answer
20 views

install kernel headers without overwriting old headers

I've built a newer (3.16-rc2) kernel which is running fine. My userspace program needs to link against the newer headers as it uses some new definitions in fcntrl.h etc. My question is how do I ...
23
votes
2answers
21k views

timestamp, modification time, and created time of a file

I just know that ls -t and ls -f give different sorting of files and subdirectories under a directory. What are the differences between timestamp, modification time, and created time of a file? How ...
3
votes
1answer
45 views

RAID-1 mirror has become a single hard disk

I have an HP N40L microserver, with 2 identical drives, I used the system to hardware-RAID them as a mirror. I then installed mint on the system about a year ago. This has been running perfectly, ...
2
votes
2answers
14 views

Chrooted SFTP user write permissions

I have a setup with sftp only users: Match Group sftponly ChrootDirectory %h ForceCommand internal-sftp AllowTcpForwarding no I get the following message in my secure.log: fatal: bad ...
3
votes
1answer
57 views

Minimal Linux with kernel and BusyBox: /etc/inittab is ignored, only /init is executed

I managed to create a small and fully functional live Linux CD which contains only kernel (compiled with default options) and BusyBox (compiled with default options + static, all applets present, ...
0
votes
1answer
23 views

Mandatory argument for script to run java program

My script is called: report_startDate It has the following line: $JRE_ROOT/bin/java -cp /home/me/report/config/:/home/me/report/jar/reporting-1.0-SNAPSHOT.jar com.me.project.report.Main $1 $1 ...
0
votes
1answer
13 views

Recovering a (not yet created) RAID5 with URE (Unrecoverable read errors)

I wan't to create a RAID5 array at home, the OS is Linux (Kernel 3.15.7) and the array will be created with mdadm. I wan't to create the array with eigth or ten 1TB discs. Let's assume a single drive ...
-5
votes
0answers
34 views

Which is best of linux desktop [on hold]

Which is best of linux desktop Fedora ,Ubuntu, Mint, so which is rank 1.
2
votes
3answers
631 views

Linux / JVM - OutOfMemoryError: unable to create new native thread

I have a memory problem with a Linux server (CentOS). It is a VM. Below is the context. It has 70Gb of RAM. There are 2 tomcat running on it. One tomcat is given a heap of 13Gb and the other one a ...
1
vote
1answer
308 views

Why do I have to stop/restart cups in redhat linux in order to use a custom filter?

A colleague wrote a filter utility for me in ruby that allows me to print barcodes from a textfile. (The filter replaces @{blah} with the proper PCL and a barcode checksum character so that "blah" ...
1
vote
2answers
79 views

Why does Linux only see 3832MB of my 4096MB of RAM?

I am setting up a lot of 64-bit RedHat VMs (VMware vSphere) for our development department in my company. Most of them start with 4096MB of RAM, but Linux only seems to recognize 3832MB. Can anyone ...
0
votes
0answers
26 views

How can I set quotas (space limitation) for samba users?

I configured samba server in CentOS 6. It will be working fine. The windows users share the files through samba. I want to set space limitation for samba users.
0
votes
1answer
24 views

Segfault everywhere even when reinstalling the OS

Lately my PC keeps getting segmentation fault, everywhere, on almost every apps (thunderbird, firefox, chromium, google-chrome, wine, byobu) here's the last few output of dmesg: [ 1474.815026] ...
1
vote
1answer
450 views

Instaling Linux on a machine with Asrock Z87 Extreme 6

I am not able to install Linux in my newly built machine. I think it can be related with my MB (Asrock Z87 Extreme6). I already have Windows 8.1 installed without UEFI. When I boot (linux) from the ...
1
vote
1answer
34 views

How to check my account on embedded linux without “/etc/passwd”?

On some embedded linux systems, there is no /etc/passwd file and /etc directory is not writable (which means I cannot set user account and password?). Then what is my (default) account name and ...
0
votes
0answers
8 views

home-built router - slow throughput

I am having slow performance with my home-built router. Compared to a stock Verizon (actiontec) router, it gets about 60 Mpbs down and 30 Mpbs up whereas I get about 15 Mbps and 20 Mbps up. I ...
0
votes
1answer
9 views

/usr/bin/X :0 -audit process

Hello I am trying to solve some internet problems that I have. It is a university computer and I do not have root access. I want to understand what is this processor, that root has started, and if you ...
0
votes
1answer
447 views

How do I set up of IBM Cognos Business Intelligence with an Apache web server?

I'm trying to put together an Apache configuration for quickly getting IBM Cognos Business Intelligence Server up and running. But I got no idea of how to do it, could someone help me?
0
votes
1answer
19 views

Solutions are telling me to update libc6, but it's already updated. How do I fix `GLIBC_2.15' not found?

I've been trying to run a Garry's Mod server through Open Game Panel all day. I've tried to fix almost all errors, but I can't fix this one. Failed to open dedicated_srv.so ...
1
vote
1answer
355 views

Can't find vgaswitcheroo directory in CentOS6

I've installed CentOS6 on my laptop, which has a built in VGA and a discrete (AMD) VGA. I used to switch AMD video off in other distro's (e.g. Fedora, Arch) using: $ echo OFF > ...
0
votes
0answers
38 views

Fedora 20: Failed to start LSB: Bring up/down networking

I'm trying to restart my networking service in Fedora 20, and I get the following error: [dev@localhost das]$ sudo service network restart [sudo] password for dev: Restarting network (via ...
0
votes
1answer
2k views

Cannot dual-boot Linux Mint and Windows 7

I have Windows 7 already installed from a long time ago and I have no Windows/update CD. I want to install Linux Mint. I created a partition, formatted it as Ext4 (in Linux), and labeled it E. I ...
2
votes
1answer
36 views

How can I remotely debug a broken initrd?

Background I have a system that runs Linux. It's a NAS, and does not have any monitor, keyboard, or serial port. It does have a network port. I'm not happy with the software running on it, and am ...
1
vote
1answer
240 views

No on-board sound on Dell Optiplex SX-280 post Linux Mint Petra Install

Not sure this fits in here.. We recently installed Linux Mint Petra on this small-form-factor dell desktop. The weird thing is, the sound does not work on board, but works on a speaker connected to ...
0
votes
0answers
37 views

Fedora not shutting down

Whether I do shutdown -P now or sudo shutdown --halt now Fedora does not shutdown. It will send SIGTERM and SIGKILL as usual, but then just stops at the screen with the fedora logo. My only option is ...
1
vote
2answers
3k views

ATOP shows red line vmcom and vmlim. What does it mean?

utility atop shows: ATOP - MyServer 2013/01/07 00:03:57 10 seconds elapsed PRC | sys 2.18s | user 8.33s | #proc 141 | #zombie 0 | #exit 0 | CPU | sys 21% | ...
0
votes
1answer
36 views

How to evaluate a variable length in shell script?

I want to write a shell script, in which it will call different command according to the variable length. But I didn't figure it out yet. My unwork script is here: for i in n5 n25 if ${#i} == 2; ...
1
vote
0answers
14 views

gpg: Bad signature

I'm trying to sign a public PGP key but am encountering a 'Bad signature' error: gpg --edit-key someone@somedomain.com ... gpg> sign ... You need a passphrase to unlock the secret key for user: ...
0
votes
2answers
61 views

Difference between Unix OS Types [on hold]

What is the difference between Linux, AIX, Solaris, MAC. Aren't these all some kind of Unix flavors ? Why do we need so many types. Why can't there be just one type ?
3
votes
4answers
698 views

Clock skews on remote machines

I am performing some experiments on a network of about 10 remote Linux computers which are geographically scattered. I suspect some of them have clock skews but they are seen transiently (eg. once in ...
2
votes
2answers
488 views

Lost window title bars and everything after selecting bad window theme in Linux Mint

I've selected a window theme from the "Advanced Settings" in Linux Mint 12 which seems to be corrupted and I've lost everything on my desktop. I can't start any applications but I can open the ...
0
votes
0answers
8 views

How to programmatically read until a certain character in a file? [migrated]

My C program writes a .json file. Few of the values in the schema of the .json file is string and has variable length. I am using jansson library. I will have to read a complete .json object ...
4
votes
2answers
148 views

Live Distros: UBCD boot Deft, Caine, and Tails from Custom Menu

I'm building my own UBCD and I'm using dual layer to fit 7.5Gigs Useful resources for UBCD customization: The SYSLINUX Project UBCD Customize Casper Man Page Live Boot Man Page Here's my ...
2
votes
1answer
18 views

Pin Lock Screen

Is there a way to replace password lock screen in Linux (Mint Debian Edition) with a pin lock screen? Like the one found in Windows 8 for example. It's annoying/inconvenient to have to input 16 ...
0
votes
1answer
463 views

Linux Mint CPU cores balancing and high temprature

I'm using Linux Mint. My laptop has a Corei5 CPU. When I check the system monitor, it shows that the CPU 1 usage is between 90 to 100% and CPU 2,3,4 are less than 5%. why it doesn't balance processes ...
-1
votes
0answers
8 views

Gnome Crashes after installing Php5.2.17 and Apache2.0.64

I was installing Php5.2.17, Apache2.0.64 and zlib on my machine with RHEL 5.4 OS, after the installation I restarted my computer. Before it loads the Login screen however, a message appears : It's ...
4
votes
3answers
662 views

Why is the 'sudo' password different than the 'su root' password

On my personal machine, I often type sudo in front of certain commands in order to accomplish administrative tasks. I had hoped to avoid doing this throughout the day, by typing su root and providing ...