1
vote
1answer
115 views

Is there an advantage in using ksh over zsh? [closed]

Or are there any advantages for using ksh over zsh? Would any specific commands not execute successfully across the shells or are the major differences not command related, but something else?
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 ...
3
votes
1answer
353 views

Too many keys being added to ssh-agent in CentOS6 - how can I stop this?

I was trying to debug an ssh problem Too many authentication failures, and find with ssh -vv that ssh is presenting lots of keys before falling back to try a password. On investigation I find that ...
2
votes
2answers
934 views

Linux Shell fundamentals: How can I check the file descriptors status, (where are redirected to) right now without lsof?

I am learning about file descriptors for the case of Linux, and I was wondering if there is any command showing a complete list that allows me to know where is each one redirected to in this moment. ...
3
votes
1answer
3k views

How to view adobeconnect video offline?

I want to watch some lectures created with adobeconnect. I have the lectures downloaded to my Ubuntu 12.04 machine. Each one consists of a stream that includes a video window of the professor ...
5
votes
1answer
105 views

Convert UTF-8 character to xmodmap name

Is there a way of converting a UTF-8 character to its corresponding xmodmap name? So if the input is ” the output would be rightdoublequotemark.
1
vote
0answers
86 views

Midnight Commander displays 'Unselect' dialog when I press F4 to edit a file

When I press F4 in Midnight Commander, I expect it to edit a file. It displays the 'Unselect' dialog instead. What could have caused it and how can I fix it? This may or may not be caused by my ...
2
votes
0answers
215 views

Why is the Debian package I've created for a single Python script empty?

I have a quite simple Python project that might be very useful for some people. So I thought about packaging it. The project is called maptool and is a tool that allows people who have Panasonic ...
1
vote
2answers
463 views

Why Ubuntu and Windows show different amount of free space

For all my NTFS partitions, Ubuntu always shows 1~2GB more free space than Windows. What's the cause of this? Will some of my files be overwritten just because Ubuntu thinks there is more free space ...
0
votes
0answers
748 views

Some files under `/` are owned by UID `501`, is this dangerous?

I just noticed that that the directory /usr was owned by UID 501 on my system. Such a user does not exist on my system, as verified by looking at /etc/passwd. Have I suffered a security breach, or is ...
2
votes
2answers
163 views

bashrc that calls other bashrc depending on linux distro

I login to a system that reads my bashrc file and loads some software ready to use. I'd like to load a given bashrc file depending on the linux system that I am logging into. Specifically, if I am ...
3
votes
2answers
2k views

Passing arguments to su-provided shell

man su says: You can use the -- argument to separate su options from the arguments supplied to the shell. man bash says: -- A -- signals the end of options and disables further option ...
4
votes
1answer
227 views

Confusion regarding the term 'mount' in Linux

I am reading the man page of mount and clone. I understand that mount is used to add a directory hierarchy to a mount point (a directory). In clone's man page, under the CLONE_NEWNS section, they ...
1
vote
1answer
241 views

How do I restart the network or ask the system to seek a refresh IP from the DHCP?

I'm running a Minix using VirtualBox. Minix is set to use the DHCP. And the network adapter is using a bridged connection*. When I last saved the state of the machine its IP was 192.168.1.11 ...
4
votes
2answers
1k views

Encrypt hook in mkinitcpio.conf for full system encryption USB drive Arch install

I have installed Arch Linux on a USB drive with full system encryption using LUKS. The Arch wiki as usual walked me through almost everything. The only issue I ran into was using setting up the hooks ...
11
votes
7answers
5k views

What is the symbol *.* called?

What's the name for the *.* symbol and what is its significance?
2
votes
2answers
316 views

Different sites on different interfaces using link aggregation

I read about Ubuntu Bonding and how it allows to bond multiple connections to get several advantages. My requirements is this : I want two different interfaces at a time (A wifi and other Ethernet) ...
0
votes
1answer
327 views

Autologin enabled, keychain blocking VNC connection

I have a CentOS server set to autolog in so we can remotely connect to the machine. When the machine reboots and we try connect to the machine, the CentOS server needs a keychain password... due to ...
3
votes
1answer
377 views

Accidentally typed crontab with just the dash

What happens when I type just "crontab -"? The "e" didn't take before I hit Enter. It just moved the cursor to the next line and I had to Ctrl+C to exit, but I'm not sure what it did exactly. I'm on ...
4
votes
3answers
3k views

iptables multiple -d flags not allowed

I am trying to log all my outbound connections to a file using iptables. This is my rule: -A OUTPUT ! -o lo ! --destination 127.0.0.1 -m state --state NEW -j LOG --log-prefix "new_connection " ...
1
vote
0answers
1k views

ERROR: Failed to build linux

While compiling linux, I get following error: [ALL ] CC drivers/usb/otg/ulpi_viewport.o [ALL ] LD drivers/usb/phy/built-in.o [ALL ] LD drivers/usb/storage/built-in.o [ALL ] ...
1
vote
2answers
1k views

Problem installing Okular from ppa under Ubuntu

Under Ubuntu 12.04, I installed Okular from a ppa. After I installed it, I ran into the following problem of opening a PDF file: $ okular my.pdf Got bus address: ...
13
votes
6answers
8k views

SSH automatic remote back ups

I have two machines, A and B. Machine A can ssh into B. A has a lot of free space. B's data is in a sort of risky situation. How do I back up all of B's data to A automatically. It does not have to ...
0
votes
2answers
148 views

wpa_supplicant ignore some networks

I am using wpa_supplicant and would like to add a rule so that my machine connects to any open network. I can do this with: network={ key_mgmt=NONE } Now I would like to blacklist some ...
4
votes
1answer
1k views

Install KDE applications under Gnome?

I try my best not to install KDE applications on Gnome of my Ubuntu, but sometimes I have to install some KDE applications such as Okular. Moreover, sometimes I have to install from their source of ...
2
votes
2answers
121 views

Securely inspect email attachment

I received a really classic spam mail stating that I have to pay a bill. The mail included an attachment (.exe). Just for curiosity reasons: What would happen if I click on the attachment? (I am ...
1
vote
0answers
32 views

Restore deleted Mysql Directory in linux [duplicate]

My MySQL directory has been deleted from directory /root/var/ by mistake, we need to restore it, Is it possible ?
2
votes
1answer
1k views

Bad argument `127.0.0.1' in iptables

-A OUTPUT --destination ! '127.0.0.1' -m state --state NEW -j LOG --log-prefix "new_connection " --log-level 7 gives me Bad argument `127.0.0.1' What am I doing wrong? I used this docs : ...
13
votes
2answers
1k views

Is that possible to integrate zip and tar.gz files as directory into the file system

I wonder if there is a way to integrate (it's a bit different from mounting, I think) compressed files as directories into the file system? E.g., one could download a compressed-file.tar.gz to his ...
19
votes
3answers
7k views

Are there any alternatives to mutt?

I really like the idea of Mutt, reading mail in the terminal. I'm not really pleased with some inconsistencies and the imap handling. I set about trying to find some alternatives to mutt, but I can't ...
6
votes
5answers
6k views

How to remove lines shorter than XY?

I found a question about, how to remove lines longer then 2048 chars: How to delete line if longer than XY? Q: But how can I remove lines shorter then 4 chars? So remove lines that has 1 or 2 or 3 ...
1
vote
1answer
299 views

Cannot get status of “Adaptec AAC-RAID (Rocket) (rev 02)” HW RAID card

SERVER:~ # lspci | grep -i raid 0000:04:00.0 RAID bus controller: Adaptec AAC-RAID (Rocket) (rev 02) SERVER:~ # arcconf getconfig 1 pd and after the arcconf, the command just hangs.. the server ...
0
votes
1answer
107 views

No IBus choices in Input Method tab

As you can see in the picture, I can't select any input method. I have installed ibus-m17n and my IBus input (ibus-bogo). I use Mint 16 with KDE 4.11.5
0
votes
1answer
361 views

Disabling MMC in uboot

Following is the log message related to u-boot on Xilinx zynq platform: [Fri Apr 04 19:57:50.990 2014] U-Boot 2013.07 (Apr 04 2014 - 19:38:00) [Fri Apr 04 19:57:50.990 2014] [Fri Apr 04 ...
0
votes
1answer
720 views

Recursively delete hidden directory & its files?

I want to delete all hidden directoris from a directory and its sub-directory. I also use rm -rf .directory_name this command is iterative command I want to a recursive command. Please anybody help ...
13
votes
1answer
1k views

what does `sshfs -oworkaround=rename` do?

For an operating systems class I'm taking, I've needed to run Freebsd5.4. Since I didn't want to wrestle with trying to build git on a version of bsd released before git was released, I thought it ...
2
votes
1answer
1k views

Change and save pdf annotation setting in Okular?

In Okular, I add inline notes to a pdf file. I change the default settings for inline notes: from default font "Ubuntu 13" to "Ubuntu 6", and from default opacity 100% to opacity 0%. But I ...
11
votes
2answers
1k views

Kernel modesetting hangs my boot, but the ATI driver requires it

I have a late 2011 MacBook Pro. It has an integrated Intel video card and a discrete ATI video card. Ideally, I'd like my Xorg to use the ATI card with the free driver (no Catalyst). Here's the ...
5
votes
1answer
15k views

Increasing Command Line Resolution Centos 6.4 VirtualBox

I running CentOS 6.4 in just CLI mode. However, I have a 1080 monitor and the resolution from the CLI interface is horrible. Do I still have to install Guest Additions in order to increase display ...
2
votes
1answer
6k views

Failed to load VMMR0.r0 (VERR_SUPLIB_OWNER_NOT_ROOT)

when I try to start a vm in Virtualbox, I get the error in the title message. I have already checked /usr/lib/virtualbox/VMMR0.r0 and the permissions are -rw-r--r-- 1 root root 785K Sep 21 2013 ...
0
votes
0answers
163 views

Driver Nvidia 96.43.23 for Quadro 4 wont stay installed

No matter how many times I re-install my driver it will be uninstalled after restart. I select and install the correct driver using Device Driver Manager by Mint I restart as prompted It comes back ...
1
vote
2answers
2k views

Bash: split list of files into different files?

I have several files in a directory like: data1.dat data2.dat .... data24678.dat To run another code, I need to have a text file with the names of the files but I need to split in 50 files per ...
2
votes
1answer
2k views

GRUB doesn't see ext4 partitions (error: no such partition)

I have strange trouble with Linux Mint 13 installation. I have Windows XP installed, I want to install Linux Mint as a second system (with dual boot), I've already done it multiple times on several ...
0
votes
1answer
66 views

Getting black controls when running linux on vmware on windows

I want to run ubuntu 12.04 LTS. I want to put the graphics in it, but when I open it, I get this. I used this command sudo apt-get install --no-install-recommends ubuntu-desktop to put the desktop ...
2
votes
1answer
1k views

exclude certain key combinations from being passed via rdesktop

When connected via rdesktop to a remote machine, normally all keys pressed inside the active rdesktop window are transferred to the remote machine. Is it possible to define key strokes, which are ...
-2
votes
2answers
109 views

Misuse of go-r *

I am working on a test server. Was logged in as root and issued cd / chmod go-r * I certainly revoked the write permissions for the users that I had created. Did I revoke the permissions (r/w/x) ...
0
votes
1answer
468 views

merge unsorted file to sorted file using shell command

I want to merge/join or produce a new merged file . Both files contain common IDs in the first column . File 1 looks like this ID Tb927.4.4670 Tb927.8.3630 Tb09.160.4310 Tb927.8.3650 File 2 ...
0
votes
1answer
494 views

rkhunter warnings about a script and a hidden directory

When I run a scan with rkhunter I get 2 warnings. I checked the log file and warnings are as the following: Warning: The command '/usr/bin/unhide.rb' has been replaced by a script: ...
6
votes
2answers
13k views

cronjob for automatic DB backup to date prefixed file

I am using the latest Linux Mint. I was wondering if it's possible to create a special cronjob for a database backup. In my /etc/cronjob file I have the following code: # Minute Hour Day of ...
-2
votes
2answers
91 views

How to delete a directory from terminal?

I'm trying to delete a directory after a series of events take place. That being said, I need to be able to place this in a file to execute once said events take place.

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