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

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3
votes
1answer
1k views

How can I downgrade a glibc version?

I upgraded glibc for a reason that isn't arround anymore so i want to downgrade it again. The stupid thing is a lot of programms rely on glibc at the moment. I still have the 2.4 version on the system ...
4
votes
1answer
332 views

Is there a Linux for an MSM7227 tablet with USB keyboard and touchscreen stylus drivers?

I have a ZTE V9C 7" tablet with 800MHz MSM7227 processor, Snapdragon family (ARM architecture?), Android 2.3, and I want to have a (very lightweight) Linux running on it (I know Android uses a Linux ...
1
vote
1answer
10 views

some shared libs in /usr/local/lib aren't found but they are in /usr/lib

I can successfully run an executable using a symlink'd shared library in /usr/lib like so - sudo ln -s /lib/i386-linux-gnu/libcrypto.so.0.9.8 /usr/lib/libcrypto.so.4 In the interest of making this ...
5
votes
2answers
669 views

Querying an overlayfs

I'm looking for a way to query a mounted overlay filesystem (overlayfs) in order to check it's upper and lower directory, but until now I haven't found any suitable command for that. Is there is a way ...
2
votes
1answer
319 views

Kernel headers for VMware tools

I tried to compile VMware tools on my server. I compiled the kernel myself, I didn't use RPM. As VMware tools needs the kernel header files, I executed the following command in my kernel folder ...
2
votes
1answer
369 views

Adding Windows user to Linux group; possible?

I have a NAS that runs on Linux and I connect to it from my Windows desktop. I noticed that all directory in that drive belongs to user 'root' and group 'root'. That effectively denies me the right to ...
-6
votes
1answer
19 views

Two questions about Linux [on hold]

Is it possible to install Linux on an old pc I have that is already running Windows XP? Can I download a distribution from a website or do I have to pay for a copy? Feel free to correct me and/or ...
1
vote
1answer
29 views

Ubuntu How to re-install bootloader

I accidently altered my partition table. Somehow I wiped it out completely and changed the disk label. The system has not been rebooted yet and I managed to rebuild it the way it originally was using ...
0
votes
4answers
1k views

How to Suppress messages generated by an application being sent to my terminal window? [duplicate]

When I launch an application from terminal related to the window system, for example gnome or kde, then usually these applications send all sorts of junk messages in my terminal. How do I make these ...
3
votes
3answers
150 views

How to get memory used(RAM used) using linux command?

I am trying to retrieve memory used(RAM) in percentage using linux command. My cpanel shows Memory Used which I need to display on a particular webpage. From forums, I found out that correct memory ...
8
votes
2answers
959 views

Too much installing and uninstalling? [on hold]

Is this a problem on Linux like it is one Windows? Installing and uninstalling things that end up leaving behind little bits and pieces that accumulate and have a negative effect? If so, what can I ...
1
vote
0answers
46 views

How to hold <Caps Lock> when it sends a single event on key press and release?

Using the keyboard of a Macintosh IIcI (~1990) with remapping of the Caps Lock key to Ctrl in Xorg, it is impossible to use it, as holding it does not send events persistently. When holding other ...
1
vote
3answers
1k views

Virtual Interface Not Showing up in ifconfig?

I am trying to create a virtual interface for the purpose of NameBased Virtual Hosting on my CentOS linux box; please find below is the devices' information:- DEVICE=eth0 BOOTPROTO=dhcp ...
3
votes
2answers
40 views

How often is the /etc/shadow file backed up?

From man 5 shadow: /etc/shadow- Backup file for /etc/shadow. Note that this file is used by the tools of the shadow toolsuite, but not by all user and password management tools. What I ...
1
vote
1answer
35 views

Using upstart with stop unknown instance

I'm just getting into upstart so i wrote a very basic script just to print to log file called: vm-service.conf that I put in /etc/init: description "Virtual Images" author "Me" start on ...
1
vote
1answer
12 views

How to set up Motion to access my copied config file?

As suggested in this tutorial I made a copy of the Motion configuration file in my home folder under ~/.motion/motion.conf . But Motion then still tries to access the config-file under ...
0
votes
1answer
16 views

Installing rvm and a specific version of ruby using rvm on linux based systems

UI testing is done using ruby and selenium. Installation of rvm Installation of specific version of ruby and setting a default version of ruby Note: Using a linux based operating system.
1
vote
3answers
1k views

PAM login permission denied

I have an OpenSuSE 12.3 machine and can't login to the box either on tty or via ssh. As soon as the user logs in the session terminates and in the message "login [1234] permission denied" is printed. ...
3
votes
1answer
21 views

Force application to use specific port on Fedora machine

I have an application on my fedora machine that sends SIP TCP requests to the server. The application chooses a random source port to send the requests. Is there some way I can force the application ...
2
votes
1answer
325 views

Ubuntu - Booting black screen with purple border

After the installation of Ubuntu, when I try to boot a black screen with a purple box appears without let me see the GRUB menu. Then the screen becomes black and Ubuntu starts booting. Ubuntu is the ...
1
vote
1answer
17 views

Check the filesystem format with BusyBox (stat -f and df -T do not work)

I am using latest BusyBox v1.22.1 in my target. I want to check the filesystem type using stat -f or df -T but busybox doesn't support such commands. busybox help shows stat command as supported but ...
0
votes
0answers
4 views

Issues with net-SNMP . MRTG not generating graph to monitor network bandwidth

I am monitoring network bandwidth for my servers using MRTG . But suddenly can see graphs are not generated for one of the Linux servers running on CentOS 5.5 . SNMPD service is running on the server. ...
1
vote
0answers
18 views

Huge UI elements in Crunchbang

I have just installed Crunchbang on my Desktop, and windows and menus appear incredibly enlarged. When I right click the context menu fills the screen, for example. My graphics card is the Radeon HD ...
0
votes
0answers
12 views

can't open toshiba system [on hold]

When I open my computer, I click on Toshiba icon to open and get a message: Unable to mount location I have a Toshiba i3 Processor that use to run on Windows until I mistakenly installed ...
3
votes
3answers
773 views

How to enable wifi using keyboard (Dell Inspiron 14r) in suse Linux 11.4

I have installed both Windows and SUSE Linux (11.4) on my Dell Inspiron 14r laptop. Both are working properly. I am facing one strange problem. I went to my Linux OS wifi was working fine and I ...
3
votes
3answers
35 views

Why is the exec option not listed in /proc/mounts?

My understanding is /proc/mounts should list all mount options for a filesystem, including kernel defaults, so I was surprised to see that exec (among others) is not listed here? For example, my root ...
5
votes
1answer
1k views

Eye-FI SD Card not working with inbuilt card reader

I am tring to get my cardreader to work with and eye-fi SD card. My System is as follow: #uname -a Linux computer 3.2.0-0.bpo.2-amd64 #1 SMP Thu Mar 15 20:46:44 UTC 2012 x86_64 GNU/Linux Debian ...
1
vote
0answers
25 views

What is being cached?

I have an embedded system with a low amount of memory. The system has allocation issues. Maybe due to fragmentation: Memory allocation issue on NOMMU? The platform is a NOMMU platform and so I suspect ...
0
votes
0answers
14 views

Memory allocation issue on NOMMU?

I have a memory allocation issue on an embedded NOMMU linux. Or that is, I might have an issue, I'm not sure. The system has 15M free ram when booted. I have one small app (a Dropbox/REST ...
1
vote
0answers
10 views

Evaluating uncorrectable ECC errors and fallback methods [migrated]

I run a server which has just experienced an error I've not encountered before. It emitted a few beeps, rebooted, and got stuck at the startup screen (the part where the bios shows its logo and begins ...
1
vote
1answer
11 views

Where do I find the OID descriptions for SNMPv2 in Linux?

I was looking at this link here: http://www.debianadmin.com/linux-snmp-oids-for-cpumemory-and-disk-statistics.html and noticed that the OIDs are the same ones I see for the same stats for our ...
0
votes
1answer
17 views

How to use partial IP address in /etc/sysconfig/iptables for the “-s” flag?

in this example it is a full ip ip is: 1.1.1.1 -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -s 1.1.1.1 -j ACCEPT but suppose i want to allow any ip that simply starts with: 1.1. ...
2
votes
0answers
16 views

Wireless is not working on Lenovo ThinkPad X201 with CentOs 6.5

I am having trouble with wireless connection on my Thinkpad X201 laptop. I installed CentOs 6.5 Minimal. The Wired (cable) internet works perfect. But wireless is not detected. I looked at following ...
4
votes
3answers
1k views

How to disable shutdown so that an important process cannot be interrupted?

What is the simplest way to disable or temporarily suspend reboot/shutdown when an important process is running? The process takes too long to finish and cannot be paused/resumed so I like to avoid ...
0
votes
2answers
32 views

Is killing processes created on startup safe?

I've just got a vserver running debian 7 and whenever I start the server and call the top command, there are very many processes that were started automatically on startup. Can I kill them or are ...
1
vote
1answer
15 views

Startx results in a black screen

I recently wanted to solve a problem with using a second monitor from my laptop that is running debian (jessie) but because I lack knowledge things didn't go as planned. Now I am getting booted into ...
0
votes
0answers
23 views

Noob Kernel Image Question

I'm playing about with CM-FX6 , an iMX6 based SOC. The chip comes with the following: http://www.compulab.co.il/workspace/mediawiki/index.php5/CM-FX6:_Linux:_Kernel **images** uImage-cm-fx6 - ready ...
1
vote
0answers
397 views

NTP Problems - sntp: too many bad or lost packets

I need some help from you guys regarding NTP on Suse. I have a server, whose IP is 192.168.100.52, which is based on Suse Linux and here is my NTP conf file: server 192.168.100.11 iburst restrict ...
3
votes
2answers
5k views

Installing wireless driver (realtek 8188CE) on Debian wheezy

I had a hard time installing the wireless driver for my debian. My debian was Sqeeze but soon after I realized Wheezy was the one to support my wireless adapter, realtek 8188CE,I upgraded to wheezy. ...
0
votes
1answer
16 views

Lock on IBM DB2 database on Linux server [on hold]

My db2 database is running on Linux server, Some time database table got lock by some of db user due to uncommiting the session. My question is that how we can find out through which ...
2
votes
0answers
23 views

Why is there no rootfs file system present on my system?

The linux kernel documentation claims: Rootfs is a special instance of ramfs (or tmpfs, if that's enabled), which is always present in 2.6 systems. You can't unmount rootfs … On all linux ...
0
votes
0answers
10 views

Linux embedded PC fault rectification [on hold]

How to take image of an embedded PC using telnet and how to re-image an Embedded PC using RS232 serial connection.
3
votes
1answer
2k views

Connect Windows printer to Linux machine via samba

How can I connect my Windows printer to a Linux (RHEL5) box via samba? I'm looking for a clear configuration file
2
votes
4answers
12k views

crontab -e , then 0 * * * * = every hour; then xclock

After sudo crontab -e (it wrote "/tmp/crontab.XXXX70pN9h" 1L, 19C 1,1 All Then I saved the file. And to check..? (how? i don't know) And to check I ps -e | grep cron 29818 ? ...
1
vote
3answers
73 views

To which Debian package does /etc/nsswitch.conf belong?

I tried to find out to which package /etc/nsswitch.conf belongs on my Debian machine, but dpkg --search /etc/nsswitch.conf won't tell me. Does anyone know?
0
votes
2answers
898 views

Unknown hard disk partition?

I want to mount my second hard disk from my Linux VMware guest but when I try mount -t ext3 /dev/sdb2 it is not available. fdisk -l /dev/sdb gives me unknown format: /dev/sdb1 2048 ...
1
vote
1answer
24 views

Booting into a kernel image

I have a recently-compiled Linux kernel image (vmlinuz file) and I want to boot into it. I am aware that this won't give me a familiar Linux system, but I am hoping to be able to at least run some ...
5
votes
1answer
423 views

SquashFS image as rootfs in LXC

Is it possible to use a SquashFS filesystem as an LXC rootfs? I can mount an ext3 image as a rootfs just by setting lxc.rootfs to the filename, but if it's any other type of image, lxc-start just says ...
0
votes
0answers
14 views

How to recover Windows Boot Manager after a Mint installation gone wrong [migrated]

Yesterday, my cousin wanted me to install Linux Mint onto his Windows 8 Lenovo laptop so he could dual-boot Linux Mint and Windows 8 so he could get some hands-on experience with Windows 8. I've ...
2
votes
2answers
473 views

Linux freezing guess: keyboard & mouse (Archlinux and Ubuntu)

Linux on my PC is freezing a few seconds after startup. I am unable to use the mouse / keyboard. Neither Ubuntu nor Arch do anything after a few seconds. Windows has been running fine for years now. ...