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1500 questions
53
votes
2 answers
iptables and multiple ports
This doesn't work for me:
# iptables -A INPUT -p tcp --dports 110,143,993,995 -j ACCEPT
iptables v1.4.7: unknown option `--dports'
Try `iptables -h' or 'iptables --help' for more information.
However in the man page, there is an option --dports...…
Zenet
- 968
- 5
- 10
- 15
53
votes
6 answers
How to move files between two S3 buckets with minimum cost?
I have millions of files in a Amazon S3 bucket and I'd like to move these files to other buckets and folders with minimum cost or no cost if possible. All buckets are in the same zone.
How could I do it?
Daniel Cukier
- 823
- 1
- 10
- 18
53
votes
16 answers
SSL Error - unable to read server certificate from file
I've been setting up SSL for my domain today, and have struck another issue - I was hoping someone could shed some light on..
I keep receiving the following error messages:
[error] Init: Unable to read server certificate from file…
williamsowen
- 1,177
53
votes
7 answers
How to check progress of DBCC SHRINKFILE?
Is there a way to find out the progress of DBCC SHRINKFILE statement?
Here is how I was running it
dbcc shrinkfile('main_data', 250000)
I am running above statement on both SQL Server 2005 and 2008.
[UPDATE]
Here is the query I ran to check the…
dance2die
- 2,051
53
votes
6 answers
Why do we still have such small email attachment filesize restrictions?
What's the technical limitation preventing us, in the glorious year 2011, from emailing each other 1GB files?
Or is it just the main email platforms dragging their feet?
If I can set my inbox to grab headers only, and then full attachments if I want…
Drew
- 681
53
votes
4 answers
When to use delaycompress option in logrotate?
The man page of logrotate says that:
It can be used when some program cannot be told to close its logfile
and thus might continue writing to the previous log file for some
time.
I'm confused by this. If a program cannot be told to close its…
Anand Chitipothu
- 633
- 1
- 5
- 5
53
votes
12 answers
Unzipping files that are flying in through a pipe
Can I make unzip or any similar programs work on the standard output? The situation is I'm downloading a zip file, which is supposed to be unzipped on the fly.
Related issue: How do I pipe a downloaded file to standard output in bash?
Alex
- 2,437
53
votes
7 answers
How can I filter https when monitoring traffic with Wireshark?
I want to observe the HTTPs protocol. How can I use a Wireshark filter to do that?
Amirreza
- 734
53
votes
4 answers
53
votes
7 answers
How can I identify which processes are generating UDP traffic on Linux?
My machine is continously making udp dns traffic request. what i need to know is the PID of the process generating this traffic.
The normal way in TCP connection is to use netstat/lsof and get the process associated at the pid.
Is UDP the connection…
boos
- 691
53
votes
3 answers
stop apache from asking for SSL password each restart
Using instructions from this site but varying them just a little i created a CA using -newca, i copied cacert.pem to my comp and imported as trusted issuer in IE. I then did -newreq and -sign (note: i do /full/path/CA.sh -cmd and not sh CA.sh -cmd)…
user274
53
votes
7 answers
How do I sudo over sshfs?
On my local host alpha I have a directory foo that is mapped via sshfs to host bravo as follows:
$ sshfs charlie@bravo:/home/charlie ~/foo
However, on host bravo there is another user, delta, that I want to sudo /bin/su as, so that I can do work in…
dirtside
- 1,723
53
votes
7 answers
Process runs slower as a scheduled task than it does interactively
I have a scheduled task which is very CPU- and IO-intensive, and takes about four hours to run (building source code, if you're curious). The task is a Powershell script which spawns various sub-processes to do its work. When I run the same process…
Charlie
- 3,166
53
votes
2 answers
Windows: redirect stdout and stderror to nothing
I have a command I am running produces a ton of output, I want to silence the output without writing to a file. I have used the following to send all output to a file:
command > out.txt 2>&1
... but again I don't want any file output:
command >…
Alec Gorge
- 647
53
votes
12 answers
Tail multiple remote files
Is there a way to remote tail 2 files?
I have two servers(a and b) behind a load balancer and I would like to do something like this if possible:
tail -f admin@serverA:~/mylogs/log admin@serverB:~/mylogs/log
Thanks!
Pablo Fernandez
- 675