Useful usages of linux ssh command :
- with `allow agent forwarding` option
ssh -A root@www.theserveryouneed.com
Useful usages of linux ssh command :
ssh -A root@www.theserveryouneed.com
If you want to forward a port to your computer from another, and you can create a ssh connection to the computer, then creating the actual tunnel is very simple.
This exemple forwards the port 7000 from that computer to a port on our computer. In this case the local port in 5000
ssh -N -p 22 user@www.server.com -L 5000/localhost/7000
This was the problem that I faced these days; and the answer to it is very simple
First thing you have to do is to install putty tools in linux :
$app-get install putty-tools
Then, just generate the new private key, using puttygen program
$puttygen putty-generated-key.ppk -O private-openssh -o openssh-key-name
You see, everything is very simple.
Also, if you want to generate the public key, you can use the following command:
puttygen ‐L putty-generated-key.ppk >> authorized-key-location/public-key.pub
Some useful commands in “linux” to generate a public key from a private one.
ssh-keygen -f ~/id_rsa -y > ~/id_rsa.pub
if you receive some warnings regarding users permissions about the private key file, the easiest way is to run the following command
chmod 700 id_rsa
this days I’ve discover a very good command in linux : rsync
rsync -avHP --numeric-ids --delete null/images/ /var/lib/jetty6/webapps/images/
-a, --archive archive mode; equals -rlptgoD (no -H,-A,-X) --no-OPTION turn off an implied OPTION (e.g. --no-D) -v, --verbose increase verbosity -H, --hard-links preserve hard links -P same as --partial --progress --numeric-ids With this option rsync will transfer numeric group and user IDs rather than using user and group names and mapping them at both ends. By default rsync will use the username and groupname to determine what ownership to give files. The special uid 0 and the special group 0 are never mapped via user/group names even if the --numeric-ids option is not specified. If a user or group has no name on the source system or it has no match on the destination system, then the numeric ID from the source system is used instead. See also the comments on the lquse chrootrq setting in the rsyncd.conf manpage for information on how the chroot setting affects rsync's ability to look up the names of the users and groups and what you can do about it. --delete This tells rsync to delete extraneous files from the receiving side (ones that aren't on the sending side), but only for the directories that are being synchronized. You must have asked rsync to send the whole directory (e.g. lqdirrq or lqdir/rq) without using a wildcard for the directory's contents (e.g. lqdir/*rq) since the wildcard is expanded by the shell and rsync thus gets a request to transfer individual files, not the files' parent directory. Files that are excluded from the transfer are also excluded from being deleted unless you use the --delete-excluded option or mark the rules as only matching on the sending side (see the include/exclude modifiers in the FILTER RULES section).