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Comment by Daniele Santi on Where are addresses from the network 0.0.0.0/8...

@rz00 that's the way I understand it.

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Comment by Daniele Santi on Sending email using Telnet

@HamedKamrava rset simply resets the session so you can start another (i.e. to send another mail). Authentication via telnet can be a bit tricky, as it seems yahoo doesn't support plain authentication....

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Comment by Daniele Santi on How to use password from environment variable in...

@user61766 true, but sudo can be configured not to require a password for certain commands for certain users. You can configure on the remote server(s) a dedicated user for these automation tasks with...

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Comment by Daniele Santi on Is it necessary to configure a managed switch?

Hello and welcome to Super User! Managed switches, in their default configuration, should work out of the box. Configuration is usually done for more advanced needs, like different VLANs, QoS, etc. Can...

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Comment by Daniele Santi on Large .xsession-errors file, PulseAudio

Hello and welcome to Super User! While this may fix the .xsession-errors file growing out of control, I think the real problem the OP is asking about is the continuous output of PulseAudio errors.

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Comment by Daniele Santi on iptables rule for incoming from certain ip and port

@MajAfy I've update my answer with full ruleset.

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Comment by Daniele Santi on nmap + how to detected all machines IP's with...

Is 10.64.*.* a connected network (i.e. the machine from which you're executing nmap has an IP in the same network)? Is the network subnetmask 255.255.0.0 (/16)?

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Comment by Daniele Santi on Run command after opening terminal window from...

Possible duplicate of Opening a new terminal from the command line and running a command on Mac OS X?

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Comment by Daniele Santi on How to move system to a new, smaller drive?

@George yes, sorry, I missed the lvm part. It should be actually doable via cli. I'll update my answer.

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Comment by Daniele Santi on Chrome keeps opening new tabs as new windows

I think is a different kind of Sticky Keys...

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Comment by Daniele Santi on First Time VBA Delete Rows Based on multiple...

Hello and welcome to Super User! Sharing your research helps everyone. [Edit] your question and tell us what you've tried and why it didn’t meet your needs. This demonstrates that you’ve taken the time...

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Comment by Daniele Santi on FileZilla suddenly throws an error: “Response:...

Hello and welcome to Super User! While providing links is useful, it would be more helpful to the asker if you posted a summary of the steps involved on the link you posted as external links can go...

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Comment by Daniele Santi on Socket creation error in SpagoBI 5.2

There isn't enough detail in this question for it to be answerable. I'd recommend that you [edit] it to include the exact steps required to reproduce the problem. Your question will be better received...

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Comment by Daniele Santi on Testlink new installation "DB Access Error -...

Welcome to Super User! There isn't enough detail in this question for it to be answerable. I'd recommend that you [edit] it to include the exact steps required to reproduce the problem. Your question...

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Comment by Daniele Santi on How to undo automatic character replacement in...

Hello and welcome to SuperUser! Can you try changing the terminal font to a default one? Looks like you installed a font wit ligatures, like Fira Code.

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Answer by Daniele Santi for Use a media player in Linux just to play files...

With Rhythmbox, while you can also manage your ipod, you can simply browse it and play from it.

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Answer by Daniele Santi for Formatting gets changed when trying to copy text...

Take a look here. Basically it's the pastetoggle option.

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Answer by Daniele Santi for Blocking ports with iptables

First of all, default policy for OUTPUT Chain is ACCEPT, so the last line:ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHEDisn't necessary.Then the first line:ACCEPT all -- 0.0.0.0/0...

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Answer by Daniele Santi for Squid or Kernel buffer overflow

A fast search on google for: ping no buffer space available returns various forum thread which seems to agree on this point:The two NICs share the same IRQ or maybe one of them shares it with another...

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Answer by Daniele Santi for Understanding Linux symlinks

If you manage the virtual machine and have root access, you can reconfigure the webserver to serve files directly from a subdirectory on your home folder. In this case you should be very careful on...

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Answer by Daniele Santi for In Linux can I direct all traffic from a specific...

If you want to just "see" the traffic and save to file, look into the tcpdump command.

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Answer by Daniele Santi for Can't route into WAN with IPCop Router

rIn your NAT configuration, I don't see a MASQUERADE target.I have no experience with IPCop configuration, and it's been a while since I configured NAT with iptables, but can you try these lines in...

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Answer by Daniele Santi for Why is port 1111 open, and is it safe to be?

From aptitude show monit:Description: utility for monitoring and managing daemons or similar programsmonit is a utility for monitoring and managing daemons or similar programs running on a Unix system....

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Answer by Daniele Santi for Inserting a blank line in vim?

I've been using thesemap <Enter> o<ESC>map <S-Enter> O<ESC>in my .vimrc for years.Press Enter to insert a blank line below current, Shift + Enter to insert it above.

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Answer by Daniele Santi for Do I need a DSL splitter if my connection is...

An ADSL Splitter is usually needed only if the same line (twisted pair, usually) carries both the DSL signal and the normal phone line as it filters off the high frequencies of the modem from the phone...

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Answer by Daniele Santi for Telnet to Gmail SMTP server timeout

Those are gmail's MX servers, used to receive mail, and they accept connections to port 25 from here:# telnet gmail-smtp-in.l.google.com smtpTrying 173.194.65.27...Connected to...

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Answer by Daniele Santi for How do I grep a string from files created within...

You can use find to return only the files created in the last 5 hours and use its exec function to grep from them:find [PATH_OF_DIRECTORY] -type f -cmin -300 -exec grep "Quality data" {} \;where -cmin...

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Answer by Daniele Santi for Software to provide loopback at remote endpoint,...

Take a look at the Echo Protocol. If your system is linux-based it's probably already available.Else, should be trivial to program a simple echo server yourself.

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Answer by Daniele Santi for vi: what is verbose mode and when/how do I use it?

[snip]* Start Vim in verbose mode: vim -V. (Describes each file being sourced).or from the manual page:[snip]When 'verbose' is non-zero messages are printed (for debugging, to stderr).

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Answer by Daniele Santi for Enter insert mode indented in VIM

An answer to this question on Stack Overflow indicates that:'cc' will replace the contents of the current line and enter insert mode at the correct indentation

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Answer by Daniele Santi for mv files with multiple `.` in the file name

mv is not the right tool.You should use the rename command:rename 's/\./_/' *.*.txtThe string 's/\./_/' means "substitute the first occurrence of a . with a _ in the folling file list".

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Answer by Daniele Santi for Large .xsession-errors file, PulseAudio

Looks like your KDE is configured to use Pulse Audio as an engine for Phonon Backend, and for some reason the Pulse Audio daemon itself is not installed/not responding.I suggest you make sure the...

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Answer by Daniele Santi for Execution of a command locally after ssh tunneling

Hello and welcome to Super User.After ssh -L 8888:localhost:8888 ubuntu@address, your script founds itself on the remote server.You can pass the flags -fN to ssh (-f is for fork into background and -N...

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Answer by Daniele Santi for What is the difference between there has...

(config-if) simply means you're in "Interface Configuration" mode, i.e. you did something likeCentral(config)#interface Gi0/1Central(config-if)#interface Gi0/1while in "Global Configuration Mode" (i.e....

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Answer by Daniele Santi for Enable local network IP access with DLink 600M...

Looks like your router has the function "Wireless Isolation" (often called "AP Isolation") enabled.This prevents clients connected to the WiFi network to communicate with each other (and really, to any...

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Answer by Daniele Santi for tftp vs tftp-hpa

Well, the tftpd-hpa description says:tftp-hpa is an enhanced version of the BSD TFTP client and server. It possesses a number of bugfixes and enhancements over the original.So you should certainly...

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Answer by Daniele Santi for How to access remote keyboard on remote PC via SSH

You should use a "terminal multiplexer like screen or tmux.Then you can start a session (say you're using tmux) on PC#2:PC#2 $> tmuxwhen you ssh from PC#1 (with the same user you have started tmux...

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Answer by Daniele Santi for How to run an executable text-file directly?

You should not create a link to the executable, but create a so called "Desktop Entry",i.e. a simple .desktop file which your system interprets as a series of instructions to correctly load the...

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Answer by Daniele Santi for How to undo automatic character replacement in...

As suspected, you installed a font with ligatures (like Fira Code for example), which replace multiple chars with different (possibly "combined") chars to "beautify" the script.If you don't like the...

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Answer by Daniele Santi for How to list imported symbols in ELF executable?

Try this:objdump -T 'ELF-file'

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