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1500 questions
52
votes
3 answers
Why is it not possible to use two remotes for rsync?
Note to serverfault users:
This closed question is answered here by four comments by hynekcer. It is then well accepted in other comments as a regularly answerable question. It's now being voted for re-opening.
When both source and destination are…
loopbackbee
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52
votes
8 answers
bash/sed/awk/etc remove every other newline
a bash commands outputs this:
Runtime Name: vmhba2:C0:T3:L14
Group State: active
Runtime Name: vmhba3:C0:T0:L14
Group State: active unoptimized
Runtime Name: vmhba2:C0:T1:L14
Group State: active unoptimized
Runtime Name: vmhba3:C0:T3:L14
Group…
carillonator
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52
votes
9 answers
How can I sniff the traffic of remote machine with wireshark?
I can sniff the traffic of my local pc but I would like to know how to I sniff the traffic of a remote machine by wireshark?
When in capture option I select remote interface and enter my remote ip show me error.code(10061).
What should I do?
aboutstudy
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52
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
- 1,167
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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
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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
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52
votes
4 answers
Bind to ports less than 1024 without root access
I would like to run applications I'm working on that binds to port numbers less than 1000 without requiring root access.
I'm using Linux Mint and have root access to set it up. I would ideally like to be able to do it over SSH.
Also happy hear if…
tarn
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52
votes
4 answers
What is "freeable memory"?
Amazon RDS has a metric for 'freeable memory'. It appears to go up & down in a sawtooth pattern.
This leads me to believe that it's memory that is being used by MySQL for caching and that when the cache expires, more freeable memory appears. Any…
Adam Nelson
- 1,647
- 3
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- 12
52
votes
3 answers
How do I activate launchd logging on OS X?
How do I activate launchd logging on OS X 10.6?
I added a new daemon that is not starting properly (status is 1).
I want to debug the problem but I was not able to find launchd logs, they are not in /var/log/launchd.log.
sorin
- 8,016
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52
votes
6 answers
how can I schedule a reboot in Linux?
I'm new in Linux and I want to schedule a reboot at midnight. How should I do it?
Edits:
I'm sorry I didn't put the complete details. I want a reboot every 3rd Saturday of the month at 23:30.
I don't know what's wrong but I cannot find crontab.…
klauriens
- 541
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52
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
- 3,076
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- 13
52
votes
4 answers
Linux/Windows/Unix/... file names: Which characters are allowed? Which are unescaped?
Which characters are allowed and which of them must be escaped on the command line in different operating systems?
java.is.for.desktop
- 929
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52
votes
7 answers
How to add message that will be read with dmesg?
I am trying to write some custom messages in my dmesg output. I tried:
logger "Hello"
but this does not work. It exits without error, but no "Hello" appears int the output of:
dmesg
I am using a Fedora 9, and it seems that there is no…
calandoa
- 1,285
- 2
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52
votes
6 answers
Debugger for Iptables
I'm looking for an easy way to follow a packet through the iptables rules. This is not so much about logging, because I don't want to log all traffic (and I only want to have LOG targets for very few rules).
Something like Wireshark for Iptables. Or…
Chris Lercher
- 4,152
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52
votes
4 answers
What does 'nice' mean on CPU utilization graphs?
On Ubuntu server load graphs I see 4 types of CPU consumption: User, System, Nice and Idle.
What does Nice type mean?
Niro
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