12
votes
2answers
7k views

What's the difference between various $TERM variables?

I tried vt100, vt102, vt220, and xterm by using top. But I can't find their difference. Is there any other term type? What's their difference?
1
vote
2answers
1k views

On the command line, can I redirect output to a file WITHOUT >, >>, or | operators?

I am attempting to run a command on a CentOS virtual machine, and the API that I am using to run this command does not seem to allow the >, >>, or | operators. Also, I must use fully qualified paths ...
2
votes
0answers
130 views

How to make system startup to not wait on particular systemd service start

I have few virtual machines running under libvirt, and they are stared on the host system startup. This is controlled by libvirtd.service systemd configuration. This delays the availability of the ...
3
votes
2answers
1k views

How to Add rules to IP Filter (Firewall in SCO)

I need to add a rule (allow any to any port 22) to my firewall, so that I can ssh remotely into my machine. I have had a look in the SCO OSR600 Documentation and I cannot find anything in there that ...
2
votes
0answers
62 views

Limiting write rate of a device

How does one go about limiting the write/read rate of a device, E.G., USB drive, SD card? Motivation behind this question is covered here (superuser.com).
2
votes
2answers
1k views

GParted LiveCD: Is there a version with a 64-bit kernel?

I'm trying to chroot with the GParted LiveCD onto an existing 64-bit system, attempting to fix grub.
1
vote
3answers
1k views

Editing margins and sharpening of movies

I copied some cartoons from a VCD to my hard drive, to be able to manage the content more easily. However, probably because of the VCD outdated technology, there are two issues with these clips: ...
5
votes
2answers
3k views

Detailed Per-Process Profiling

I am looking for a way to profile a single process including time spent for CPU, I/O, memory usage over time and optionally system calls. I already know callgrind offering some basic profiling ...
15
votes
11answers
63k views

Cannot enable network after CentOS 6.3 fresh install

I am trying to perform a fresh CentOS 6.3 installation then run various yum commands such as yum install httpd. The installation runs fine, however I cannot run any network based commands like yum I ...
1
vote
2answers
1k views

xfce4 loses title bars on all windows

I'm running Debian Wheezy using gdm3 as window manager and xfce4 as desktop environment. Every so often, when I login, the desktop environment starts OK, but all windows are missing the title bar and ...
3
votes
1answer
6k views

Add another IP address to a Bonding Interface

I have a Linux network Bonding interface for two Ethernet interfaces (eth0 and eth1) $ cat /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE=bond0 BOOTPROTO=static ONBOOT=yes ...
7
votes
3answers
5k views

How to read the in-memory (kernel) partition table of /dev/sda?

I accidentally overwrote my /dev/sda partition table with GParted (full story on AskUbuntu). Since I haven't rebooted yet and my filesystem is still perfectly usable, I was told I might be able to ...
2
votes
2answers
601 views

/var House Keeping

Does anyone have any general advice or links for doing some house keeping on the /var filesystem on Unix and Linux servers? I have searched the issue quite a bit but can find no real concrete ...
4
votes
2answers
592 views

Find and regex

What am I doing wrong with this find expression? ; touch ook ooks ; find . -name 'ook' -or -name 'ooks' -type f ./ook ./ooks ; find . -name 'ook[s]?' -type f [returns nothing] ; echo $? 0
2
votes
2answers
949 views

Timeout doesn't occur when reading from fifo using `read`

Look at this code: while read -t 3 line; do echo ${line} done < /opt/data.log data.log is a fifo. One process is writing to this, and this code should be reading it to show to the user. But ...
2
votes
3answers
1k views

Possible to get “old” time stamp behaviour?

When downloading a file or e.g. unzipping one, the time stamp is not set to when the file appeared on my harddisk, which is what I want. See this example ~$ wget ...
2
votes
2answers
892 views

SIOCSIFADDR: File exists after upgrading kernel

Since upgrading my (Gentoo) kernel from 2.6.38 to 3.3.8 (via oldconfig), I can't get the network on eth0 up anymore. It reports "SIOCSIFADDR: File exists" with a number of other SIOCSIF* errors that ...
9
votes
2answers
7k views

Create file image container

I would like to create a 100GB file to use as a file-system. The file will be stored on an encrypted volume, so the file/file-system itself does not need to be (further) encrypted. Searching has ...
3
votes
3answers
4k views

Rename multiple directories

I want to find all directories with the last subdirectory named doc, for then rename them to Doc. How can be renamed? I've the first part: find -type d -name 'doc' which returns directories paths ...
0
votes
0answers
3k views

bad magic number

I have a script which I need to execute. The script file is push.sh. Below are the commands that I am using: dragan@dragan-Lenovo-G570:~/liquibase/liquibase$ chmod +x push.sh ...
12
votes
4answers
4k views

Is it possible to merge video files using `cat`?

I wonder if it's possible to merge video files using the cat command? I mean will the resultant file play seamlessly?
2
votes
4answers
424 views

Strange file ownership with Ubuntu

Normally we know when we create one file in Linux, the file's owner and group will set with the creator. For example, I have one user, usera, after I execute usera@srv1:$touch 1.txt I will find the ...
2
votes
1answer
478 views

The meaning of '-' and '+' symbol when background processes are finished?

When I am running background processes like(I have 9 files suffixed by phastcon): for i in *.phastcon; do cut -f 2 $i >$i.value & done After kicking the "Enter", I get the output in terminal ...
1
vote
2answers
311 views

Open-Source Audio Playlist 'Standard'

I know there are quite a few types of audio/music playlists out in the wild. Are there any that are specifically approved as FLOSS? That is, are there are that are particularly encouraged by the ...
2
votes
1answer
153 views

Monitor file system [duplicate]

Possible Duplicate: Is it possible to find out what program or script created a given file? How do I monitor the file system for specific purposes? For example, I read that shutdown (when ...
35
votes
1answer
983 views

Completing avfs fake directories in zsh

How can I tweak zsh's completion system to complete “fake” files in some circumstances? More precisely, the AVFS filesystem exposes archives as directories by creating a “fake directory” next to ...
32
votes
4answers
5k views

Using '.' to execute files in bash

What's the difference between executing a script like this: ./test.sh and executing a script like this: . test.sh? I tried a simple, two-line script to see if I could find if there was a ...
4
votes
3answers
3k views

Sending the output from 'dd' to awk/sed/grep

I'm trying to approximate the computer's write speed using dd: dd if=/dev/urandom of=/dev/null bs=1K count=10000 which gives the following output 10000+0 records in 10000+0 records out 10240000 ...
3
votes
1answer
382 views

Null input in a text file

I have a script that creates users in Linux as well as Oracle, when I create multiple users I use the following: cat /path/path/file.txt | while read USER PASS ORAUSER ROLE do However ...
6
votes
2answers
1k views

linux stdbuf - line-buffered stdin option does not exist

The man page for the stdbuf command states that line-buffered mode is invalid as a standard input buffering option. What is the reason for this? tail -f access.log | stdbuf -iL cut -d' ' -f1 | uniq ...
27
votes
4answers
5k views

Save entire process for continuation after reboot

I developed an algorithm for a fairly hard problem in mathematics which is likely to need several months to finish. As I have limited resources only, I started this on my Ubuntu 12.04 (x86) laptop. ...
4
votes
4answers
970 views

How to prevent atd from running past jobs?

The at daemon is a great tool! However, if a job is scheduled for 8:00 am and the machine is off at that time, at will run the job whenever the machine is booted. What I would like to do is stop it ...
3
votes
4answers
3k views

Encrypt multiple files at once

I'm writing a script which creates project archives and then creates 7z archives of them to make it easier on me to save specific versions and keep encrypted backups. After I've generated the ...
3
votes
1answer
441 views

Live program output monitoring tool

I would like to know if there is a tool that would enable you to watch how the program output changes live. Something like tail -f but instead of monitoring the file changes, it would repeatedly call ...
5
votes
3answers
741 views

Find out a package's configure/compile options in Gentoo

On a Gentoo Linux box which I'm not administering (and to which I don't have root access), how can I find out the options which were used to compile the package? (Please note I've never worked with ...
8
votes
3answers
3k views

File is mysteriously empty. Options to recover?

I have seen several posts about recovering deleted files, but this situation is different. My wife had a file called Journal.odt in which she kept a lot of important personal information such as ...
4
votes
2answers
8k views

How to install JRE on firefox with fedora (64bits)

What do I need to run Java web applications on firefox with my 64bits fedora 17? I can't pass this test but I have installed the x64 rpm from there. What is missing? Additional note: I tried to ...
4
votes
2answers
1k views

How can I stop ls from descending into directories, similar to prune for find?

If I type ls *ro* I also get files in subdirectories that match the *ro* pattern. Is there any option for ls similar to prune? Ideally a flag, otherwise perhaps an exec?
5
votes
1answer
324 views

Automated ssh login with passphrase?

Logging onto a machine over ssh typically requires a password to be entered before access is granted. Alternatively, a key/certificate (without a passphrase) can be installed onto the remote machine ...
3
votes
1answer
245 views

How to submit a Linux module upstream?

I've written a useful kernel module for a specific fan controller that I want to submit upstream. Where can I find an address to submit my module? Do I need it make GPL or can I use a less ...
3
votes
3answers
225 views

Absolute link pointers, able to work in another system

I have a folder and within it there are many links. I make those links absolute, so that I can move them about within the folder and they still point to the same data. Relative links would break if I ...
10
votes
1answer
2k views

Keyboard shortcut to set gnome-terminal tab title

I like to work in Linux without using the mouse, because of that I would like to know if there is any method to set a keyboard shortcut to set gnome-terminal tab title.
4
votes
0answers
463 views

8-bit input in gnome-terminal

I'm trying to switch from xterm to gnome-terminal but having trouble with alt keys. I have already disabled menu access keys, but I still need 8-bit inputs. In xterm I can set 8-bit inputs in ...
2
votes
1answer
349 views

How should I go about setting up vim-pathogen plug-ins for a group as a user with no root permissions?

I do not have root permission on a linux cluster, but I would like to share my vim-plugins to all other members of a linux group using vim-pathogen. We have a group-accessible folder, so that's where ...
1
vote
2answers
1k views

Using Multiple Desktop environments on fedora

Is it possible to add a lightweight DE, say LXDE of XFCE, to fedora so that I can choose to boot into either? Would I be able to select in grub or would there be an intermediate step? That way I have ...
0
votes
3answers
6k views

How can I automatically load my config file in Grub2?

I've installed grub2 because my partition is no longer supported by the legacy grub but I can't make it display a text menu like in the legacy grub? When I start my pc it gives me the CLI where I ...
4
votes
2answers
393 views

Password protecting a system file? (e.g. /etc/resolv.conf)

I am trying to parental control myself by restricting web access via OpenDNS. The OpenDNS account password will be handed to someone trustworthy. Now, I want to put some restriction on the ...
7
votes
2answers
2k views

An oom killer thats baffling me

I am not able to understand why would kernel issue this oom killer when I see enough memory is available: Also why are there so many kernel cache pages allocated? I say enough memory is available ...
0
votes
2answers
6k views

Install older version of GLibc on RHEL

I'm trying to install GCC 4.4 on RHEL6: sudo rpm -ivh /mnt/dvd/Packages/gcc-4.4.3-1.el6.x86_64.rpm. But the problem is that is depends on glibc and glibc-common libraries. When I try to install them ...
1
vote
1answer
1k views

How to make an entry of Slackware into grub2

I want to manually add the Slackware entry into the GRUB2 configuration file /boot/grub/grub.cfg. But the problem is that there is no initrd or initramfs present in /boot directory of Slackware. I saw ...

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