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114 votes
8 answers
41k views

How do I get bash completion for command aliases?

I am looking to get tab-completion on my command line aliases, for example, say I defined the following alias : alias apt-inst='sudo aptitude install' Is there a way to get the completions provided ...
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  • 3,465
4 votes
1 answer
12k views

How to install Fedora from an ISO on a USB?

I have a Fedora 14 x86_64 iso image and I want to install it using a USB stick. How do I get this stick to boot up, and use the image to start the installation? I'm running Debian.
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  • 61.2k
59 votes
4 answers
50k views

What is the difference between a job and a process?

What is the difference between a "job" and a "process"?
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1 vote
1 answer
507 views

How to mount external hard disk every time the server is restarted?

I have a server which the date will be backup to a external windows server hard disk which is mounted. But problem is every time the server is restarted I will need to mount the disk manually. How do ...
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5 votes
1 answer
430 views

What is the typical file limit of a folder on *nix file systems?

Obviously, if you stick a lot of files in one folder, the efficiency of various file operations is going to go down (e.g. ls takes a lot longer). However, what's the limit for how many files you can ...
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1 vote
1 answer
1k views

SME server install from USB crashes with "IOError: [Errno 30] Read-only file system"

I managed to make my 8.0GB USB flash drive boot the current SME Server 8 beta ISO image. The installation program starts when I boot from USB, and configuration of install options worked fine. After ...
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  • 4,337
8 votes
1 answer
1k views

How can I write a new syntax highlighter for gedit?

Some times I wish the particular language I happen to be writing in had syntax highlighting. How can I add that?
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  • 2,927
18 votes
3 answers
5k views

FreeNAS grub2 booting ISO

I've got usb-keys setup to multi-boot different Linux images. I wouldn't mind adding FreeNAS, and there's a doc with samples to add to grub.cfg menuentry "FreeNAS-8.0.4-RELEASE-x64" { insmod ufs2 ...
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3 votes
1 answer
170 views

How to make my linux-2.6.24.4 to identify a hard disk with serial mode on intel 3201 mainboard

How to make my linux-2.6.24.4 to identify a SATA hard disk on an intel 3201 mainboard? I have pre-load modules libata.ko ahci.ko scsi_mod.ko sd_mod.ko, but it doesn't work on intel 3210 mainboard. On ...
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  • 39
26 votes
1 answer
6k views

Is there a way to redirect a program's output and still have it go to stdout?

Okay. If I wanted to redirect the output of a program to a file, I'd do something like this prog > file If I wanted to redirect both stdout and stderr to that file, then I'd do prog > file 2&...
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8 votes
3 answers
2k views

Temporary .vimrc

Is there a way to read a .vimrc file for only a single ssh session? That is, when I log in I perform some operation so that vim uses say /tmp/myvimrc until I log out? I do not want to permanently ...
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127 votes
7 answers
240k views

What is /usr/local/bin?

Before today, I've used the terminal to a limited extent of moving in and out of directories and changing the dates of files using the touch command. I had realised the full extent of the terminal ...
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  • 2,017
15 votes
2 answers
18k views

sort output by column

I'd like to take this command find -maxdepth 1 -type d | while read -r dir; do printf "%s:\t" "$dir"; find "$dir" | wc -l; done ( from here ). which has an output of basically ./kennel: 11062 ./...
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9 votes
1 answer
604 views

Is it possible to name windows in emacs

I would like to be able to name a window in emacs, and specify that window when opening and creating new buffers. I've looked through the manual but all I can find is find-file-other-window, which ...
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2 votes
0 answers
70 views

Hanging install blocks new installations on WebOS [closed]

I tried to install an application via AppScoop. From that point on no further installs were possible because of a hanging install (see picture). Can you please advice how to cancel the hanging install?...
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  • 4,157
9 votes
2 answers
512 views

Automounting plugged devices in linux

Auto-mounting seems to be a bit of a messy thing in linux. The options to automount ranges from autofs, udev, hal or even filemanagers. What is the best-practice method to enable automounting on ...
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  • 23.6k
4 votes
2 answers
880 views

How to find files with names having a long string after the first dot

My Samsung Galaxy S doesn't like files where the name contains a long string after the first dot. I guess some part of the software has a too short buffer for the file extension. How can I find all ...
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  • 8,600
5 votes
2 answers
4k views

OpenBSD: 32 bit or 64 bit

I would like to use the 64 bit version of OpenBSD, but I'm not really sure how good it works. Are there any known problems? Is the 32 bit version more recommended for productive environment?
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8 votes
3 answers
1k views

Why do tar and gzip files usually have a file extension?

File extensions are not necessary on unices, still every tarred, gzipped or bzipped file I encounter has a file extension like .tar, .tar.gz or .tgz. Is there any special reason for that or is that ...
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1 vote
2 answers
295 views

How would you create a user with the HOME_DIR field in /etc/passwd completely blank?

Closest I can come is: useradd --home / -r --shell /sbin/nologin someuser But this creates an entry into /etc/htpasswd that looks something like this: someuser:x:100:100::/:/sbin/nologin I want ...
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  • 83
4 votes
5 answers
7k views

Does $SHELL store the path to the default shell in Linux?

My administrator says that my default shell is set to bash, but $ echo $SHELL /bin/csh $ Is the default shell related to the SHELL variable at all? Is not, what is the variable used for?
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  • 33.1k
9 votes
3 answers
949 views

GVim compiled from source opened via SSH -X does not copy paste on selection

I'm using SSH (with -X specified) from a Ubuntu box to a RHEL4 box and running GVim. It opens as expected in my local X, but the copy and paste via select doesn't work. I cannot select text in GVim ...
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2 votes
1 answer
242 views

Resource needed to manage cert.db7 files for AIX

On AIX to get LDAP authentication working it has wanted to store the LDAP SSL certificate's trusted root in a cert.db7 file. Mozilla stopped supporting it in NSS (Netscape Security Services) a while ...
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  • 638
24 votes
3 answers
22k views

What are the benefits and downsides to use FuseFS filesystems?

I know some filesystems present themselves through Fuse and I was wondering about the pros and cons to this approach.
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  • 638
3 votes
1 answer
2k views

How to have correct permissions of files from usb disks?

Does anyone have the following problem? I have an Ubuntu box at work and also one at home. I always copy folders/files to/from an usb disk to/from my boxes. I have to change permissions of folders/...
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  • 71
235 votes
31 answers
232k views

Markdown Viewer

I found a file formatted with Markdown. Could you guys suggest what viewer that I could use to view this type of files? Hopefully one without gui (if it's possible) Update I was actually looking for ...
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  • 2,687
7 votes
2 answers
8k views

Add Apache to Ubuntu's startup

I'm currently learning the Linux environment, and decided to manually install the Apache server. For educational purposes, I've compiled it into: /server/apache The http.conf location is configured ...
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  • 2,089
3 votes
1 answer
2k views

Apache server 32 binaries vs 64 binaries? what's the difference

For Windows I used to download either 32 bit binaries from ASF site or 64 bit binaries from Apache lounge site (for no particular reason). So - that was the way I new what version I have. I've ...
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  • 2,089
5 votes
2 answers
295 views

What is the most advanced image editing FLOSS?

Is it still GIMP? Inkscape? Are they too different to compare? Does anything come close to the two? Are they more/less advanced than Photoshop? note: advanced = more features
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  • 61.2k
12 votes
1 answer
1k views

What happens to data in swap when your computer hibernates?

When a computer goes into hibernation mode, it saves the contents of the RAM into the swap space so that it can resume exactly where it left off when it powers back on. So, what if you are currently ...
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  • 1,198
1493 votes
10 answers
450k views

What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?

I think these terms almost refer to the same thing, when used loosely: terminal shell tty console What exactly does each of these terms refer to?
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  • 33.1k
20 votes
8 answers
3k views

Is screen useful?

When I need to open different processes or terminals that I need to check, I just open a new tab in my terminal and use different workspaces in my machine to keep everything organized. I do some web ...
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2 votes
4 answers
307 views

How can I manipulate the content of a file, by duplicating and changing some parts?

I want to manipulate a text-file. It contains many blocks of the form CLASS ...some stuff ... END I want to duplicate each of these blocks and add and remove a line of it's content. Can I script ...
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  • 631
32 votes
3 answers
13k views

ls command: what does the first line mean?

When I do ls -l I get this: calico@A000505:~/Documentos$ ls -l total 2020 -rwxr-xr-x 1 calico calico 8559 2010-11-16 11:12 a.out -rwxrw-rw- 1 smt smt 2050138 2010-10-14 10:40 Java2.pdf -...
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  • 689
78 votes
11 answers
160k views

How do I count all the files recursively through directories

I want to see how many files are in subdirectories to find out where all the inode usage is on the system. Kind of like I would do this for space usage du -sh /* which will give me the space used in ...
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3 votes
2 answers
2k views

What is the difference between X and XFree?

Why are there two programs for that?
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  • 631
4 votes
1 answer
116 views

Broadcast to all users in friends list with kopete?

in kopete you can right click a group and send a message to the group. It also seems there's a hidden toplevel group that you can move users to. Is it possible to send a message to this toplevel group ...
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10 votes
2 answers
19k views

Force dhcp client to get a new lease

I have a linux DHCP server running on my network. I recently found out that I can assign specific IP addresses to clients based on their MAC address by modifying the dhcpd.conf file. Now is there ...
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  • 103
206 votes
8 answers
105k views

Is Linux a Unix?

So, there are lots of different versions of Unix out there: HP-UX, AIX, BSD, etc. Linux is considered a Unix clone rather than an implementation of Unix. Are all the "real" Unices actual descendants ...
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11 votes
8 answers
38k views

What is your favourite shell script GUI/CLI editor and why? [closed]

I'm using vim for editing bash scripts currently, but I really need to set it up and/or install plugins. Plugin suggestions welcome. Either way, I'd like to see which editors/IDEs there are for this ...
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  • 191
80 votes
8 answers
28k views

put history command onto command line without executing it

I use !n where (n) is the line number for executing a line in the history file I want executed at the command prompt which I find via history|less. But there is a command line history event I wish ...
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  • 5,161
6 votes
1 answer
1k views

Switch display output without rebooting but not in Xorg

My graphic card has two output (VGA and DVI). Is it possible to switch from one to the other without rebooting ? It works in Xorg by restarting the X server (I guess it should be doable with xrandr ...
user avatar
  • 161
4 votes
2 answers
408 views

GUI archive manager that works well over ssh

I'm using file-roller and it doesn't work well when my archive file is accessed via ssh (it throws an error when I try to open it). Any alternatives?
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  • 61.2k
4 votes
1 answer
241 views

X stuck when using OpenGL

On a stock Dell, RHEL 5.3, my X gets stuck when running any OpenGL program for more than a few seconds. After a few seconds, the screen freezes, and after another few seconds sometimes the screen ...
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17 votes
6 answers
4k views

Why does xargs cause apt-get to abort?

I'm trying to remove a list of packages from a file. I'm using the following command: cat packages | xargs sudo apt-get remove packages is my file containing a list of packages I want to remove. ...
user avatar
  • 271
4 votes
2 answers
2k views

In OSX ssh-keygen creates a key but then the session won't connect

I made a key, but it logs me back out as i try to setup passphraseless logins to localhost: $ rsa-keygen -t rsa $ cat id_rsa.pub > authorized_keys $ ssh localhost The authenticity of host '...
user avatar
  • 175
12 votes
1 answer
10k views

How does partprobe work?

I was looking for a way to refresh the scsi bus (or any other bus, for that matter) that would allow my kernel ( 2.6.18-194-el5 on CentOS 5.5) to know about the partitions on a drive, and I couldn't ...
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  • 1,030
17 votes
4 answers
13k views

How to detect and remove a Linux trojan?

I recently (re)stumbled upon this: Linux Trojan Goes Unnoticed For Almost A Year (Unreal IRCd) Yes, I know that adding some random PPA/software from an untrusted source is asking for trouble (or ...
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  • 2,406
27 votes
8 answers
21k views

Linux boot loaders supporting full disk encryption?

Are there any Linux boot loaders supporting full disk encryption (a la TrueCrypt). I know there was work towards adding encryption support to GRUB2, but this does not seem to be ready yet. Any other ...
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9 votes
1 answer
1k views

What steps does the system go through when handling an SSH connection?

What steps does the system go through when handling an SSH connection? We try to log in via ssh sshd starts pam and pam module to authenticate us Depending on pam configuration, we need to provide ...
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  • 23.5k

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