Commands tagged ssh sorted by votes

Commands tagged ssh (190)

sorted by

Full remote server backup over cstream using tar (excluding unnecessary files) (reports every 10 seconds)

The files are automatically uncompressed when they reach the destination machine. This is a fast way to backup your server to your local computer while it's running (shutting down services is recommended). A file named "exclude.txt" is needed at /tmp/ containing the following : /dev/* /media/* /mnt/* /proc/* /sys/* /tmp/* /home/*/.local/share/Trash /home/*/.gvfs /home/*/.cache /home/*/.thumbnails /etc/fstab /lib/modules/*/volatile/.mounted /var/run/* /var/lock/* /var/tmp/* /var/cache/apt/archives/* /lost+found/* Show Sample Output
This is sample output - yours may be different.
```
895643648 B 854.2 MB 2125.2 s (35:25 min) 421438 B/s 411.56 KB/s
898371584 B 856.8 MB 2132.5 s (35:32 min) 421280 B/s 411.41 KB/s
901783552 B 860.0 MB 2139.8 s (35:39 min) 421431 B/s 411.55 KB/s
904785920 B 862.9 MB 2147.0 s (35:46 min) 421420 B/s 411.54 KB/s
908300288 B 866.2 MB 2154.0 s (35:54 min) 421678 B/s 411.79 KB/s
911953920 B 869.7 MB 2161.2 s (36:01 min) 421969 B/s 412.08 KB/s
914890752 B 872.5 MB 2168.4 s (36:08 min) 421929 B/s 412.04 KB/s
919408640 B 876.8 MB 2175.4 s (36:15 min) 422647 B/s 412.74 KB/s
923365376 B 880.6 MB 2182.6 s (36:22 min) 423061 B/s 413.15 KB/s
```
0

tar -cj / -X /tmp/exclude.txt | cstream -v 1 -c 3 -T 10 | ssh user@host 'tar -xj -C /backupDestination'

fantleas · 2014-07-21 18:52:19 9
rsync over ssh using alternative port number

Useful, when you need to backup/copy/sync a folder over ssh with a non standard port number
This is sample output - yours may be different.
0

rsync -arvz -e 'ssh -p 2233' --progress --delete remote-user@remote-server.org:/path/to/folder /path/to/local/folder

nadavkav · 2014-09-26 10:42:26 8
Print out which hosts are not running specific process

Given a hosts list, ssh one by one and echo its name only if 'processname' is not running. Show Sample Output
This is sample output - yours may be different.
```
hostone
hosttwo
hostthree
```
0

for i in `cat hosts_list`; do RES=`ssh myusername@${i} "ps -ef " |awk '/[p]rocessname/ {print $2}'`; test "x${RES}" = "x" && echo $i; done

arlequin · 2014-10-03 14:57:54 9
Secure netcat chat - SSH

client: nc localhost 9876
This is sample output - yours may be different.
0

ssh hostname nc -l 9876

snipertyler · 2015-01-14 20:11:50 12
Multiple level ssh

If you are on machine 1 and want to ssh into machine 3, but you can only do so from machine 2, this will do it all in one go. Note that once you are on machine 3 and exit () it will take you directly back to machine 1
This is sample output - yours may be different.
0

ssh -t user@domain.com "ssh -t user2@domain2.com bash -l"

texasflood · 2015-02-11 16:15:01 10
analyze traffic remotely over ssh w/ wireshark

Replace servername with your user. And make sure you have generated / copied your rsa_pub key to the remote server, or you will be asked for a password which will stuff up the output to wireshark.
This is sample output - yours may be different.
0

wireshark -k -i <(ssh -l root servername "dumpcap -P -w - -f 'not tcp port 22'")

lmitchell · 2015-08-10 05:22:36 8
Test remote SSH server status using telnet (no login required)

This command telnet and and looks for a line starting with "SSH" - works for OpenSSH since the SSH banner is something like "SSH-2.0-OpenSSH_6.0p1 Debian-4+deb7u3". Then it triggers an action accordingly. It can be packed as a script file to echo 0/1 indicating the SSH service availability: if [[ "$(sleep 1 | telnet -c <host> <port> 2>&1 | grep '^SSH')" == SSH* ]]; then echo 1; else echo 0; fi; Alternative uses: Trigger an action when server is UP (using &&): [[ "$(sleep 1 | telnet -c <host> <port> 2>&1 | grep '^SSH')" == SSH* ]] && <command when up> Trigger an action when server is DOWN (using ||): [[ "$(sleep 1 | telnet -c <host> <port> 2>&1 | grep '^SSH')" == SSH* ]] || <command when down>
This is sample output - yours may be different.
0

$if [[ "$(sleep 1 | telnet -c <host> <port> 2>&1 | grep '^SSH')" == SSH* ]]; then <command when up>; else <command when down>; fi;

paulera · 2016-02-02 13:06:51 16
ssh-keygen -b 4048 -t rsa -C "comment"

Generating ssh key then need to copy public key in to /root/.ssh/authorized_keys
This is sample output - yours may be different.
0

ssh-keygen -b 4048 -t rsa -C "comment"

erez83 · 2016-02-03 09:37:39 11
SSH socket

Creates socket from your local computer to remote server using SSH, easy to penetrate firewall if SSH is allowed.
This is sample output - yours may be different.
0

ssh -D localhost:8090 username@serve.com -f -N

rootshadow · 2016-02-09 10:50:01 22
analyze traffic remotely over ssh w/ wireshark

Commandline for windows + cygwin with specific interface and resolved ip.
This is sample output - yours may be different.
0

ssh root@server.com "tcpdump -i INTERFACE_NAME -U -nnn -s0 -w - 'port 80'" | /cygdrive/c/Program\ Files/Wireshark/Wireshark.exe -N mnNtCd -k -i -

artembeloglazov · 2016-03-02 13:42:29 12
having root on server, add user's public key to his keys (no password required)
This is sample output - yours may be different.
0

ssh-copy-id -i user_public_key.pub root@host

throwaway111 · 2016-05-09 19:32:11 10
having root on server, add user's public key to his keys (no password required)

There's no need to make this complicated. The command already exist in the form of ssh-copy-id.
This is sample output - yours may be different.
0

ssh-copy-id -i user_public_key.pub <user>@<remotehost>

rdtyn · 2016-05-16 15:54:00 9
Dump and compress a drive over ssh with current speeds

first line is the speed the uncompressed data is read, second line is the compressed data sent over ssh. change sdb to your target drive/partition to be backed up. change pbzip -c1 to suit your compression. and ssh to your target file. don't forget to run zerofree/fstrim first! Show Sample Output
This is sample output - yours may be different.
```
16.4GiB [17.1MiB/s] [40.8MiB/s]
3.64GiB [  11MiB/s] [9.04MiB/s]
```
0

dd if=/dev/sdb | pv -rabc | pbzip2 -c1 | pv -rabc | ssh user@192.168.0.1 'cat > /dump.bz2'

sexyrms · 2016-06-19 23:27:03 11
Create a local compressed tarball from remote host directory

untar in place with out creating a temporary file
This is sample output - yours may be different.
0

ssh user@host "tar -zcf - /path/to/dir" | tar -xvz

sandeep048 · 2017-10-07 11:37:51 18
SFTP upload through HTTPS proxy

Overwrites remote file without asking! Uses HTTPS proxy that supports CONNECT. Actually uses SSH and not SFTP to upload the file.
This is sample output - yours may be different.
0

cat myFile.json | ssh root@remoteSftpServer -o "ProxyCommand=nc.openbsd -X connect -x proxyhost:proxyport %h %p" 'cat > myFile.json'

casueps · 2020-01-22 11:00:20 106
Infinite loop ssh

This version won't reconnect if you exit the ssh connection with a non-zero exit code. ConnectTimeout and sleep values knobs for how long to wait for each retry.
This is sample output - yours may be different.
0

h=root@localhost ; while ! ssh -o ConnectTimeout=5 $h true; do sleep 5; done; ssh $h

justsomeguy · 2022-03-05 06:48:06 359
monitor when target host will be up
This is sample output - yours may be different.
-1

while true; do date; ssh <YOUR HOST HERE> "echo" && echo "HOST UP" && break; sleep 60; done

unixmonkey11685 · 2011-05-29 19:54:16 3
Function to bind MySQL hostport to forward remote MySQL connection to localhost.

Create a secure tunnelled connection for access to a remote MySQL database. For example, connect with MySQL Workbench to root@127.0.0.1:13306. Show Sample Output
This is sample output - yours may be different.
```
$ sshmysql [user@]remote-server
[1] 10653
```
-1

sshmysql() { ssh -L 13306:127.0.0.1:3306 -N $* & }

peterRepeater · 2011-09-01 10:21:55 8
Transfer files with rsync over ssh on a non-standard port.

Transfer files with rsync over ssh on a non-standard port, showing a progress bar and resuming partial transfers.
This is sample output - yours may be different.
-1

rsync -P -e 'ssh -p PORT' SRC DEST

vickio · 2011-10-13 08:59:07 4
ssh hostchange know_host improver

If you work in an environment, where some ssh hosts change regularly this might be handy...
This is sample output - yours may be different.
-1

sshostnew () {sed -i "$1d" $HOME/.ssh/known_hosts ; }

_john · 2011-11-07 10:33:04 10
Remove a line from a file using sed (useful for updating known SSH server keys when they change)

Easily removes line #2 in ~/.ssh/known_hosts. Show Sample Output
This is sample output - yours may be different.
-1

perl -p -i -e 's/.*\n//g if $.==2' ~/.ssh/known_hosts

meappy · 2012-01-17 14:11:03 3
...if you have sudo access, you could just install ssh-copy-id (Mac users: take note. this is how you install ssh-copy-id )

Mac install ssh-copy-id From there on out, you would upload keys to a server like this: (make sure to double quote the full path to your key) ssh-copy-id -i "/PATH/TO/YOUR/PRIVATE/KEY" username@server or, if your SSH server uses a different port (often, they will require that the port be '2222' or some other nonsense: (note the double quotes on *both* the "/path/to/key" and "user@server -pXXXX"): ssh-copy-id -i "/PATH/TO/YOUR/PRIVATE/KEY" "username@server -pXXXX" ...where XXXX is the ssh port on that server
This is sample output - yours may be different.
-1

sudo curl "http://hg.mindrot.org/openssh/raw-file/c746d1a70cfa/contrib/ssh-copy-id" -o /usr/bin/ssh-copy-id && sudo chmod 755 /usr/bin/ssh-copy-id

misterich · 2012-02-09 20:29:24 5
OSX Terminal helper with tab completion, ssh tunneling, and now screen re-attach

http://github.com/c3w/ash . a Ruby SSH helper script . reads a JSON config file to read host, FQDN, user, port, tunnel options . changes OSX Terminal profiles based on host 'type' USAGE: put 'ash' ruby script in your PATH modify and copy ashrc-dist to ~/.ashrc configure OSX Terminal profiles, such as "webserver", "development", etc run "ash myhostname" and away you go! v.2 will re-attach to a 'screen' named in your ~/.ashrc Show Sample Output
This is sample output - yours may be different.
```
$
```
-1

ash prod<tab>

c3w · 2012-05-12 19:51:02 8
remote ssh xdmcp session

ssh compresion -C option ... on slow connection VNC performs better but in local LAN native secure X protocol is an option Show Sample Output
This is sample output - yours may be different.
```
remote login screen
```
-1

ssh -XfC -c blowfish user@host Xephyr dpms -fullscreen -query localhost :5

hute37 · 2012-11-01 18:59:57 9
Add EC2 pem key to SSH

This command adds your pem key to SSH so that you no longer have to manually specify it when connecting to EC2 instances. # you can do this: ssh ec2-instance.amazonaws.com # instead of this: ssh -i ~/.ssh/KEY_PAIR_NAME.pem ec2-instance.amazonaws.com Show Sample Output
This is sample output - yours may be different.
```
Identity added: /Users/johndoe/.ssh/KEY_PAIR_NAME.pem (/Users/johndoe/.ssh/KEY_PAIR_NAME.pem)
```
-1

ssh-add ~/.ssh/KEY_PAIR_NAME.pem

brockangelo · 2012-11-03 02:59:52 5
‹ First < 5 6 7 8 >

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands

Check These Out

Bash prompt with user name, host, history number, current dir and just a touch of color

I put that line in my .bash_profile (OS X) and .bashrc (Linux). Here is a summary of what the \char means: n=new line, u=user name, h=host, !=history number, w=current work directory The \[\e[32m\] sequence set the text to bright green and \[\e[0m\] returns to normal color. For more information on what you can set in your bash prompt, google 'bash prompt'

list files recursively by size

Make ISO image of a folder

Create ISO image of a folder in Linux. You can assign label to ISO image and mount correctly with -allow-lowercase option.

Copy an element from the previous command

'n' is a non-negative integer. Using 0 will expand to the name of the previous command.

Launch firefox on a remote linux server

Actually 'firefox' is a script that then launches the 'firefox-bin' executable. You need to specify the 'no-remote' option in order to launch remote firefox instead of your local one (this drove me crazy time ago)

Find out how much data is waiting to be written to disk

Ever ask yourself "How much data would be lost if I pressed the reset button?" Scary, isn't it?

Length of longest line of code

Here's an awk version.

Delete recursively only empty folders on present dir

read squid logs with human-readable timestamp

du command without showing other mounted file systems

Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for:

» all commands
» commands with 3 up-votes (commandlinefu3)
» commands with 10 up-votes (commandlinefu10)
» commands tagged ssh

Commands tagged ssh (190) the last day the last week the last month all time sorted by date votes

What's this?

Check These Out

Stay in the loop…

Commands tagged ssh (190)

sorted by