The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
sss_cache – perform cache cleanup Synopsis sss_cache [options] Description sss_cache invalidates records in SSSD cache. Invalidated records are forced to be reloaded from server as soon as related SSSD backend is online. Options that invalidate a single object only accept a single provided argument. Options -E,–everything Invalidate all cached entries. -u,–user login Invalidate specific user….
ssmtp, sendmail – send a message using smtp Synopsis ssmtp [ flags ] [ address … ] /usr/lib/sendmail [ flags ] [ address … ] Description ssmtp is a send-only sendmail emulator for machines which normally pick their mail up from a centralized mailhub (via pop, imap, nfs mounts or other means). It provides the…
ssm – System Storage Manager: a single tool to manage your storage Synopsis ssm [-h] [–version] [-v] [-f] [-b BACKEND] [-n] {check,resize,create,list,add,remove,snapshot,mount} … ssm create [-h] [-s SIZE] [-n NAME] [–fstype FSTYPE] [-r LEVEL] [-I STRIPESIZE] [-i STRIPES] [-p POOL] [-e [{luks,plain}]] [-o MNT_OPTIONS] [-v VIRTUAL_SIZE] [device [device …]] [mount] ssm list [-h] [{volumes,vol,dev,devices,pool,pools,fs,filesystems,snap,snapshots}] ssm…
sslh – protocol demultiplexer Synopsis sslh [-F config file] [ -t num ] [–transparent] [-p listening address [-p listening address …] [–ssl target address for SSL] [–ssh target address for SSH] [–openvpn target address for OpenVPN] [–http target address for HTTP] [–anyprot default target address] [–on-timeout protocol name] [-u username] [-P pidfile] [-v] [-i] [-V]…
ssl_crtd – SSL certificate generator for Squid. Version 1.0 Synopsis ssl_crtd [-dhv] ssl_crtd [-d] -s directory [-M size ] ssl_crtd [-d] -c -s directory [-n] serial number ssl_crtd [-d] -g -s directory Description ssl_crtd is an installed binary. Because the generation and signing of SSL certificates takes time Squid must use external process to handle…
sshuttle – a transparent proxy-based VPN using ssh Synopsis sshuttle [options…] [-r [username@]sshserver[:port]] \<subnets…> Description sshuttle allows you to create a VPN connection from your machine to any remote server that you can connect to via ssh, as long as that server has python 2.3 or higher. To work, you must have root access on…
sshow – SSH traffic analysis tool Synopsis sshow [-d] [-i interface | -p pcapfile] [expression] Description sshow analyzes encrypted SSH-1 and SSH-2 traffic, identifying authentication attempts, the lengths of passwords entered in interactive sessions, and command line lengths. The following advisory describes the attacks implemented by sshow in detail: http://www.openwall.com/advisories/OW-003-ssh-traffic-analysis.txt Options -d Enable verbose debugging…
sshmitm – SSH monkey-in-the-middle Synopsis sshmitm [-d] [-I] [-p port] host [port] Description sshmitm proxies and sniffs SSH traffic redirected by dnsspoof(8), capturing SSH password logins, and optionally hijacking interactive sessions. Only SSH protocol version 1 is (or ever will be) supported – this program is far too evil already. Options -d Enable verbose debugging…
sshd_selinux – Security Enhanced Linux Policy for the sshd processes Description Security-Enhanced Linux secures the sshd processes via flexible mandatory access control. The sshd processes execute with the sshd_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
sshd_sandbox_selinux – Security Enhanced Linux Policy for the sshd_sandbox processes Description Security-Enhanced Linux secures the sshd_sandbox processes via flexible mandatory access control. The sshd_sandbox processes execute with the sshd_sandbox_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
sshd_net_selinux – Security Enhanced Linux Policy for the sshd_net processes Description Security-Enhanced Linux secures the sshd_net processes via flexible mandatory access control. The sshd_net processes execute with the sshd_net_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
sshd_keygen_selinux – Security Enhanced Linux Policy for the sshd_keygen processes Description Security-Enhanced Linux secures the sshd_keygen processes via flexible mandatory access control. The sshd_keygen processes execute with the sshd_keygen_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
sshd – OpenSSH daemon Synopsis sshd [-46DdeiqTt [-C connection_spec ] ] [-c host_certificate_file ] [-E log_file ] [-f config_file ] [-g login_grace_time ] [-h host_key_file ] [-o option ] [-p port ] [-u len ] Description sshd (OpenSSH Daemon) is the daemon program for ssh(1). It provides secure encrypted communications between two untrusted hosts over…
ssh_selinux – Security Enhanced Linux Policy for the ssh processes Description Security-Enhanced Linux secures the ssh processes via flexible mandatory access control. The ssh processes execute with the ssh_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
ssh_keysign_selinux – Security Enhanced Linux Policy for the ssh_keysign processes Description Security-Enhanced Linux secures the ssh_keysign processes via flexible mandatory access control. The ssh_keysign processes execute with the ssh_keysign_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
ssh_keygen_selinux – Security Enhanced Linux Policy for the ssh_keygen processes Description Security-Enhanced Linux secures the ssh_keygen processes via flexible mandatory access control. The ssh_keygen processes execute with the ssh_keygen_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
ssh-sk-helper – OpenSSH helper for FIDO authenticator support Synopsis ssh-sk-helper [-v ] Description ssh-sk-helper is used by ssh-agent1 to access keys provided by a FIDO authenticator. ssh-sk-helper is not intended to be invoked by the user, but from ssh-agent1. A single option is supported: -v Verbose mode. Causes ssh-sk-helper to print debugging messages about its…
ssh-pkcs11-helper – OpenSSH helper for PKCS#11 support Synopsis ssh-pkcs11-helper [-v ] Description ssh-pkcs11-helper is used by ssh-agent1 to access keys provided by a PKCS#11 token. ssh-pkcs11-helper is not intended to be invoked by the user, but from ssh-agent1. A single option is supported: -v Verbose mode. Causes ssh-pkcs11-helper to print debugging messages about its progress….
ssh-keysign – OpenSSH helper for host-based authentication Synopsis ssh-keysign Description ssh-keysign is used by ssh(1) to access the local host keys and generate the digital signature required during host-based authentication. ssh-keysign is disabled by default and can only be enabled in the global client configuration file /etc/ssh/ssh_config by setting EnableSSHKeysign to “yes” ssh-keysign is not…
sserver – sample Kerberos version 5 server Synopsis sserver [ -p port ] [ -S keytab ] [ server_port ] Description sserver and sclient(1) are a simple demonstration client/server application. When sclient connects to sserver, it performs a Kerberos authentication, and then sserver returns to sclient the Kerberos principal which was used for the Kerberos…