Slow ssh login
WebbFix Debian 11 bullseye slow SSH login and sudo on LXC Proxmox. # If Debian 11 is ran on a LXC container (Proxmox), SSH login and sudo actions can be slow. # Check if in /var/log/auth.log the following messages. Failed to activate service 'org.freedesktop.login1': timed out (service_start_timeout=25000ms) -> Run systemctl mask systemd-logind. Webb28 nov. 2024 · Another way of speeding up ssh connections is to use a given authentication method for all ssh connections, and here we recommend configuring ssh …
Slow ssh login
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Webb9 feb. 2024 · There are several possibilities which can cause this, but most probably there is UseDNS enabled in server sshd_config. Try to disable it (write UseDNS no to /etc/ssh/sshd_config ), restart sshd service ( service sshd restart) and try again. WebbEvery time I ssh login to a server, it is always very slow. As a reply to my earlier post said, "grepping through a 200 line file should take millisecond or so, so I would doubt it's that." I tried ssh -vvv time@server and the output has been uploaded here.
WebbIn my experience, whenever SSH takes a long time to connect, it's because it can't reverse-lookup the destination server (or gets a very slow response in doing so). From the client, nslookup . Can be resolved by fixing DNS or adding an entry to /etc/hosts. 5 zh12a • 4 yr. ago WebbIf SSH login is very slow in CentOS 6 it’s because they have added another security feature, the SSH server will do a reverse DNS again for any incoming connection, this will delay connection up to 13 seconds, to avoid this: 1. Access the server. 2. Edit the ssh config. Nano /etc/ssh/sshd_config. 3.
Webb22 sep. 2024 · SSH login very slow on OS X Leopard. 0. VirtualBox Ubuntu guest has NAT, but no TCP connectivity. 1. First ssh connection takes several minutes. 7. problems setting up remote ssh. 1. nmap takes minutes to scan localhost. 2. Chrome and Spotify app can't connect. Hot Network Questions WebbMake sure the IP address match your server IP. One cool advantage is that now ssh will provide autocomplete for this server. So you can type ssh lin + Tab and it should autocomplete to ssh linux-srv. You can add a bunch of usefull options so that you don't have to type them each time:
Webb5 nov. 2010 · If it hangs while idle, the -v diagnostics will probably tell you so, in which case the advice to use keepalive could help (ssh -o "TCPKeepAlive yes") If you can connect OK with Windows and PuTTY, it's probably not an issue on the server's side. Share Improve this answer Follow answered Dec 8, 2011 at 4:49 roadmr 33.7k 9 80 93 Add a comment 3
WebbYou can check if this is the issue by opening the ssh daemon log (on Ubuntu it should be /var/log/auth.log) and check if it has these lines: sshd [2721]: pam_systemd (sshd:session): Failed to create session: Connection timed out If yes, just restart systemd-logind service: systemctl restart systemd-logind can long term memory decayWebb21 juli 2010 · To complete all the answers showing that DNS resolutions can slow your ssh login, sometimes, a firewall rules is missing. For example, if you DROP all the INPUT … can long term lyme disease be curedWebb3. I have been running this server with LDAP for about 6 months. The logins have always been fast. However, starting this week logins are taking 1-2 minutes to complete. This include ssh, sudo su, and local logins. The Openldap database is being hosted by the server that is having the speed problems. I have two other servers that use this same ... fix brown grass summerWebb17 nov. 2016 · You can amend the sshd_config file to use the UseDNS no parameter. This will stop the reverse DNS lookup. It is safe to do. 2). Add a PTR record in the appropriate … fix browser fontWebb21 sep. 2024 · 3 i have a small (4 seconds) login delay on my 18.04 ubuntu servers, that drives me crazy: $ time ssh root@gateway exit real 0m4,066s user 0m0,015s sys 0m0,005s I've already checked the "usual" culprits: DNS, Avahi, pam_systemd.so, they aren't the cause. fix bruz the chopperWebbI have a server hooked directly up to the internet, no router. But when I go to login to ssh it is VERY slow. It is not the connection as you can see here by the response time on this … fix browser hijacker chrome macWebbSSH remote login without password is very slow. Asked 11 years, 2 months ago. Modified 10 years, 10 months ago. Viewed 2k times. 6. SSH Client - Mac OS X Lion. SSH Server - … fix brows