Commands using ssh sorted by votes

Commands using ssh (347)

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Easy Persistent SSH Connections Using Screen

Use as: $ s host1 Will ssh to remote host upon first invocation. Then use C-a d to detatch. Running "s host1" again will resume the shell session on the remote host. Only useful in LAN environment. You'd want to start the screen on the remote host over a WAN. Adapted from Hack 34 in Linux Server Hacks 2nd Addition.
This is sample output - yours may be different.
5

s() { screen -d -RR -m -S "$1" -t "$USER"@"$1" ssh "$1"; }

salamando · 2012-09-07 23:02:52 5
Reverse SSHfs mount,

While `sshfs $REMOTE_HOST:$REMOTE_PATH $LOCAL_PATH` "pulls" a directory from the remote server to the local host, the above command does the reverse and "pushes" a directory from the local host to the remote server. This makes use of the "slave" option of sshfs which instructs it to communicate over plain stdin/stdout and the `dpipe` tool from vde2 to connect the sftp-server stdout to the sshfs stdin and vice-versa.
This is sample output - yours may be different.
5

dpipe /usr/lib/openssh/sftp-server = ssh $REMOTE_HOST sshfs whatever:$LOCAL_PATH $REMOTE_PATH -o slave

em · 2014-03-25 17:40:34 7
Synchronize date and time with a server over ssh

Set Remote Server Date using Local Server Time (push) Show Sample Output
This is sample output - yours may be different.
```
Thu Mar 26 20:24:35 UTC 2015
```
5

ssh user@server sudo date -s @`( date -u +"%s" )`

daryltucker · 2015-03-26 20:25:23 11
vimdiff to remotehost

vimdiff to remotehost Show Sample Output
This is sample output - yours may be different.
```
vimdiff to remotehost
```
4

vimdiff tera.py <(ssh -A testserver "cat tera.py")

te · 2009-02-05 15:54:33 112
setup a tunnel from destination machine port 80 to localhost 2001, via a second (hub) machine.

this is handy when the hubmachine is the only machine that can connect to the destination machine (allowed on ip by firewall) and you want to access it from your laptop.
This is sample output - yours may be different.
4

ssh -N -L2001:localhost:80 -o "ProxyCommand ssh someuser@hubmachine nc -w 5 %h %p" someuser@destinationmachine

mischamolhoek · 2009-02-06 09:58:08 14
open a seperate konsole tab and ssh to each of N servers (konsole 4.2+)

creates a new tab for each of N servers in listofservers.txt and ssh's to said servers then, try the "send to all sessions" feature of konsole to do the same work on all servers at the same time. BIG time saver, but be careful!
This is sample output - yours may be different.
4

for i in $(cat listofservers.txt); do konsole --new-tab -e ssh $i; done

nottings · 2009-02-19 16:32:36 5
Execute a sudo command remotely, without displaying the password

The ssh command alone will execute the sudo command remotely, but the password will be visible in the terminal as you type it. The two stty commands disable the terminal from echoing the password back to you, which makes the remote sudo act as it does locally.
This is sample output - yours may be different.
4

stty -echo; ssh -t HOSTNAME "sudo some_command"; stty echo

jmcantrell · 2009-03-04 19:44:36 12
ensure your ssh tunnel will always be up (add in crontab)

I find it ugly & sexy at the same time isn't it ?
This is sample output - yours may be different.
4

[[ $(COLUMNS=200 ps faux | awk '/grep/ {next} /ssh -N -R 4444/ {i++} END {print i}') ]] || nohup ssh -N -R 4444:localhost:22 user@relay &

j0rn · 2009-03-31 09:39:59 10
remote diff with side-by-side ordering.

more information: man sdiff
This is sample output - yours may be different.
4

ssh $HOST -l$USER cat /REMOTE/FILE | sdiff /LOCAL/FILE -

ncaio · 2009-06-05 18:44:00 8
scp a good script from host A which has no public access to host C, but with a hop by host B

middlehost allows ssh access from where you are but not securehost. Use nice ssh piping to simulate scp through A => B => C setting up the shell function if left as an exercise for the reader. ;-) Agent forwarding should avoid password typing.
This is sample output - yours may be different.
4

cat nicescript |ssh middlehost "cat | ssh -a root@securehost 'cat > nicescript'"

syladmin · 2009-08-25 08:11:12 7
Get ssh server fingerprints

Get your server's fingerprints to give to users to verify when they ssh in. Publickey locations may vary by distro. Fingerprints should be provided out-of-band. Show Sample Output
This is sample output - yours may be different.
```
2048 b6:de:15:9b:00:c1:f5:f8:68:g9:43:9b:94:81:c5:c9 /etc/ssh/ssh_host_rsa_key.pub (RSA)
1024 e5:60:ff:6a:1f:0f:01:d0:14:6b:89:fa:64:f3:ae:2a /etc/ssh/ssh_host_dsa_key.pub (DSA)
```
4

ssh-keygen -l -f /etc/ssh/ssh_host_rsa_key.pub && ssh-keygen -l -f /etc/ssh/ssh_host_dsa_key.pub

Mikelifeguard · 2009-10-26 17:52:41 4
ssh: change directory while connecting

Useful to create an alias that sends you right in the directory you want : alias server-etc="ssh -t server 'cd /etc && $SHELL'"
This is sample output - yours may be different.
4

ssh -t server 'cd /etc && $SHELL'

dooblem · 2010-04-02 19:34:09 6
Install your ssh key file on a remote system
This is sample output - yours may be different.
4

ssh user@remote 'cat >> ~/.ssh/authorized_keys2' < ~/.ssh/id_rsa.pub

yababay · 2010-08-27 07:47:05 5
Create a persistent remote Proxy server through an SSH channel

Create a persistent remote Proxy server through an SSH channel. Show Sample Output
This is sample output - yours may be different.
```
No output
```
4

ssh -fND localhost:PORT USER@SSH_ENABLED_SERVER

2dvisio · 2010-12-01 14:42:13 5
eavesdrop

Record off the microphone on a remote computer and listen to it live through your speakers locally. Show Sample Output
This is sample output - yours may be different.
```
Recording WAVE '-' : Unsigned 8 bit, Rate 8000 Hz, Mono
Playing WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono
```
4

ssh USER@REMOTESYSTEM arecord - | aplay -

mu_mind · 2011-01-31 16:49:45 100
Screenshot pipe to remote host, adding URL to clipboard, notifying when done. (without saving locally)

Requires you to have password free login to remote host ;) Requires xclip and notify-send (If you want to put into clipboard and be notified when action is completed). DATE=$(date +%Y-%m-%d_%H-%M-%S)-$(($(date +%N)/10000000)); HOST="ssh host of your choice"; DEST="destination folder without trailing slash"; URL="URL for file if uploaded to web enabled dir ie. import -window root png:- | ssh $HOST "cat > $DEST/screenshot_$DATE.png"; echo $URL | xclip; notify-send -u low "Screenshot Taken" "Entire screen.\nCopied to clipboard" Show Sample Output
This is sample output - yours may be different.
```
DATE=$(date +%Y-%m-%d_%H-%M-%S)-$(($(date +%N)/10000000)); HOST=swordfischer.com; DEST=/home/swordfischer/public_html; URL=https://swordfischer.com/upload/screenshot_$DATE.png; import -window root png:- | ssh $HOST "cat > $DEST/screenshot_$DATE.png"; echo $URL | xclip; notify-send -u low "Screenshot Taken" "Entire screen.\nCopied to clipboard"

https://swordfischer.com/upload/screenshot_2011-08-13_02-32-55-74.png
```
4

DATE=$(date +%Y-%m-%d_%H-%M-%S)-$(($(date +%N)/10000000)); HOST=ssh_host; DEST=file_dest; URL=url/screenshot_$DATE.png; import -window root png:- | ssh $HOST "cat > $DEST/screenshot_$DATE.png"; echo $URL | xclip; notify-send -u low "Title" "Message"

DELETETHISACCOUN · 2011-08-13 00:40:36 5
Copy your ssh public key to a server from a machine that doesn't have ssh-copy-id

This one is a bit more robust -- the remote machine may not have an .ssh directory, and it may not have an authorized_keys file, but if it does already, and you want to replace your ssh public key for some reason, this will work in that case as well, without duplicating the entry.
This is sample output - yours may be different.
4

cat ~/.ssh/id_rsa.pub | ssh <REMOTE> "(cat > tmp.pubkey ; mkdir -p .ssh ; touch .ssh/authorized_keys ; sed -i.bak -e '/$(awk '{print $NF}' ~/.ssh/id_rsa.pub)/d' .ssh/authorized_keys; cat tmp.pubkey >> .ssh/authorized_keys; rm tmp.pubkey)"

tamouse · 2011-09-30 07:39:24 18
SSH Auto-login with password

You need to install "sshpass" for this to work. apt-get install sshpass
This is sample output - yours may be different.
4

sshpass -p "YOUR_PASSWORD" ssh -o StrictHostKeyChecking=no YOUR_USERNAME@SOME_SITE.COM

o0110o · 2013-05-24 14:33:38 12
Run a command on a remote machine

This counts the number of httpd processes running. Show Sample Output
This is sample output - yours may be different.
```
36
```
3

ssh user@host "ps aux | grep httpd | wc -l"

root · 2009-01-27 00:46:17 308
get a directory from one machine to another using tar and ssh
This is sample output - yours may be different.
3

ssh somemachine "cd some dir; tar zcpf - somedirname" |tar zxpf -

mischamolhoek · 2009-02-05 09:10:56 30
Send a backup job to a remote tape drive on another machine over SSH

I use this all the time for taking manual backups of stuff i want to keep but not important enough to backup regularly.
This is sample output - yours may be different.
3

tar cvzf - /directory/ | ssh root@host "cat > /dev/nst0"

Tuxmania · 2009-02-18 07:12:54 6
"hidden" remote shell

opens a "hidden" remote shell (login will not appear in "last" for example). This is not really hidden, because the login will be shown in auth.log and the process is visible anyways. ssh -T = Disable pseudo-tty allocation. bash -i = interactive shell
This is sample output - yours may be different.
3

ssh -T user@host /bin/bash -i

Bender · 2009-03-02 21:39:30 8
Get the version of sshd on a remote system

I used this to confirm an upgrade to an SSH daemon was successful Show Sample Output
This is sample output - yours may be different.
```
$ ssh -vN hostname 2>&1 | grep "remote software version" 
debug1: Remote protocol version 2.0, remote software version OpenSSH_3.6.1p2-CERT-patched
```
3

ssh -vN hostname 2>&1 | grep "remote software version"

sud0er · 2009-03-31 18:28:41 5
Duplicating service runlevel configurations from one server to another.

And then to complete the task: Go to target host; ssh host Turn everything off: for i in `chkconfig --list | fgrep :on | awk '{print $1}'` ; do chkconfig --level 12345 $i off; done Create duplicate config: while read line; do chkconfig --level $line on; done < foo
This is sample output - yours may be different.
3

chkconfig --list | fgrep :on | sed -e 's/$^.*$*0:off/\1:/g' -e 's/$.$:on/\1/g' -e 's/.:off//g' | tr -d [:blank:] | awk -F: '{print$2,$1}' | ssh host 'cat > foo'

catawampus · 2009-05-13 21:17:39 11
Paste OS X clipboard contents to a file on a remote machine

Redirects the contents of your clipboard through a pipe, to a remote machine via SSH.
This is sample output - yours may be different.
3

pbpaste | ssh user@hostname 'cat > ~/my_new_file.txt'

mikedamage · 2009-07-14 16:32:03 3
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Open Remote Desktop (RDP) from command line having a custom screen size

This example uses xfreerdp, which builds upon the development of rdesktop. This example usage will also send you the remote machine's sound.

Send pop-up notifications on Gnome

The title is optional. Options: -t: expire time in milliseconds. -u: urgency (low, normal, critical). -i: icon path. On Debian-based systems you may need to install the 'libnotify-bin' package. Useful to advise when a wget download or a simulation ends. Example: $ wget URL ; notify-send "Done"

Search command history on bash

Very handy and time-saving. Do a 'ctrl+ r' on command prompt. You will see a "(reverse-i-search)`':" mark. Just type any sub-string of the command you want to search(provided you have used it sometime in the same session). Keep on searching by repeatedly pressing ctrl+r. Press enter once you get the desired command string.

sort a JSON blob

For situations where you keep JSON in a VCS and you want your diffs to be sane, such as within a Chef configuration repo.

See non printable caracters like tabulations, CRLF, LF line terminators ( colored )

For fancier and cleaner output, try the following snippet : $ showendlines(){ while read i; do od --address-radix=n --width=$(wc -c

Tar - Compress by excluding folders

If you give tar a list of filenames, it will not add the directories, so if you don't care about directory ownership or permissions, you can save some space. Tar will create directories as necessary when extracting. This command is limited by the maximum supported size of the argument list, so if you are trying to tar up the whole OS for instance, you may just get "Argument list too long".

Processor / memory bandwidthd? in GB/s

Read 32GB zero's and throw them away. How fast is your system?

Quickly analyse an Apache error log

This searches the Apache error_log for each of the 5 most significant Apache error levels, if any are found the date is then cut from the output in order to sort then print the most common occurrence of each error.

Remove all HTML tags from a file

A shorter version of command #3014, using awk instead of sed. Useful when scraping websites with a script.

Download certificate chain from FTP

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Commands using ssh (347)

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