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1500 questions
52
votes
1 answer
mount: unknown filesystem type 'linux_raid_member'
I have Suse Linux 12.1 and
i am trying to mount a single RAID 1 disk, to explore the files in it. However when mounting it:
# mount /dev/sdc1 /mnt/test
mount: unknown filesystem type 'linux_raid_member'
I started reading around and many…
user1092608
- 819
52
votes
8 answers
ls hangs for a certain directory
There is a particular directory (/var/www), that when I run ls (with or without some options), the command hangs and never completes. There is only about 10-15 files and directories in /var/www. Mostly just text files. Here is some investigative…
Jake Wilson
- 9,133
52
votes
7 answers
How do you set a locale non-interactively on Debian/Ubuntu?
Usually, I run aptitude -y install locales then dpkg-reconfigure locales to set up locale.
Now I want to put it into a shell script, how can I reliably do the following, automatically / non-interactively?
Choose en_US.UTF-8 and set it as system…
kenn
- 735
52
votes
3 answers
Iptables, what's the difference between -m state and -m conntrack?
What's the practical difference between:
iptables -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
and
iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
Which one is best to use?
Bourne
- 1,069
52
votes
9 answers
Remove path from find command output
I have a bash script for deploying code from a beta environment to a production environment but currently I have to add the list of files to a txt file manaully and sometime I miss some. Basically my deployment script cat/loops copying the files…
Mikey1980
- 801
52
votes
50 answers
Tools a Windows administrator cannot live without
As a Windows administrator, what tools do you feel you cannot live without?
user1695
52
votes
5 answers
How to export result of a MySQL query using phpMyAdmin 3.4.3?
I've got a 30K row table
When I run a long, 50-line query on that table, a GROUP function reduces the number of rows to 7K
I want to export the grouped 7K rows as a new table, or save them as a
CSV
When I attempt to export, instead of getting the…
grape
- 521
52
votes
19 answers
The IT Manager is Leaving - What do I lockdown?
The IT Manager may be leaving, and it's possible that the parting of ways may not be completely civil. I wouldn't really expect any malice but just in case, what do I check, change or lock down?
Examples:
Admin passwords
Wireless passwords
VPN…
Marko Carter
- 4,212
52
votes
7 answers
How do I make Apache Web Server listen on two different ports?
I'd like an Apache Web Server I have installed at home to listen on port 80 and port 8080.
I've added Listen 8080 to httpd.conf and restarted the Apache services but the server doesn't seem to be listening on 8080. Punching in http://localhost:8080…
Owen
- 633
52
votes
2 answers
How do I downgrade an RPM on a machine without 'yum'?
On a machine without yum, I have version 3.2 of a package installed and I have downloaded version 2.4 manually, how do I install the older version?
Harley
- 2,247
52
votes
6 answers
How to check that an OpenVPN server is listening on a remote port without using OpenVPN client?
I need to check that an OpenVPN (UDP) server is up and accessible on a given host:port.
I only have a plain Windows XP computer with no OpenVPN client (and no chance to install it) and no keys needed to connect to the server - just common WinXP…
Ivan
- 3,432
52
votes
7 answers
How to find other end of unix socket connection?
I have a process (dbus-daemon) which has many open connection over UNIX sockets. One of these connections is fd #36:
=$ ps uw -p 23284
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
depesz 23284 0.0 0.0 24680 1772 ? …
user13185
52
votes
3 answers
How do I clear the "s" permission on a directory in Linux?
I have a directory that is showing up with the permission mask drwsrwsr-x. When I try to reset the permissions to 755 the S still remains.
What is the "s" and why cant I change the permissions back to 775 (drwxrwxr-x)?
Matt Elhotiby
- 969
52
votes
6 answers
Postfix: Recipient address rejected: User unknown in local recipient table
When I try to send an email on my postfix server to an address on the same domain (for example, if the server hostname is mail.example.com and I try to send an email to test@example.com), I get the following error in the log and the email is not…
Tai Squared
- 679
52
votes
4 answers
Using Same SSH Private Key Across Multiple Machines
I've got a Github repo I want to access from two different Linux machines.
For the first machine, I followed Github's instructions for generating SSH keys, and added the resulting public key to Github. This client works fine.
For the second…
Yarin
- 1,406
- 8
- 22
- 31