luyện

How to set maximum message size to 4MB (4096KB), then use telnet to verify setting. Check gmail limit size telnet smtp.gmail.com 25 EHLO practice You can replace 'practice' with any hostname. 250-SIZE 35883577 means the maximum message size is 35883577 bytes. In reality, when creating an empty message in gmail and attach an exact 25MBytes (26214400Bytes) file, then send out. The generated message size is up to 35876118Bytes (~34.214MBytes).

RedHat Enterprise Linux (RHEL) cat /etc/redhat-release Ubuntu lsb_release -a SuSE cat /etc/os-release cat /etc/*release hostnamectl

DRAC: D ell R emote A ccess C ontroller 22 Secure Shell 23 Telnet 80 HTTP 443 HTTPS 161 SNMP (UDP) 3668 Virtual Media server 5869 Remote racadm server 5900-5901 Console Redirection

tell router quit load router tell imap quit load imap tell pop3 quit load pop3 tell smtp quit load smtp

It is so easy to stop and start IBM Domino mail server [on your test bed]. quit : stop mail server restart server : stop, wait for 10 seconds, and [automatically] start mail server To start the Web server manually, run command load http at the console. load http To stop the Web server , run tell http quit at the console. tell http quit

Install PowerShell One of our servers lost GUI after removing some roles. Install Powershell using this command: dism /online /enable-feature /featurename:MicrosoftPowershell /all Run Start Powershell to start Powershell, then run this command to install GUI Add-WindowsFeature Server-Gui-Shell, Server-Gui-Mgmt-Infra Install GUI

Add parameters to NOTES.ini SMTPClientDebug=1 SMTPDebug=2 Option 1: Add parameters via GUI IBM Domino: Enable SMTPDebug in NOTES.ini Option 2: Add parameters via command SET CONFIG "SMTPClientDebug=1" update Run command to update router configuration tell router update config IBM Domino: tell router update config to update configuration and reload routing table Send an email to @gmail.com to check result IBM Domino: Log file after enabling SMTPClientDebug parameter in NOTES.ini file

Workaround: remove ipmi_si_drv esxcli software vib remove --dry-run --vibname ipmi-ipmi-si-drv esxcli software vib remove --vibname ipmi-ipmi-si-drv ~ # esxcli software vib remove --dry-run --vibname ipmi-ipmi-si-drv Removal Result    Message: Dryrun only, host not changed. The following installers will be applied: [BootBankInstaller]    Reboot Required: true    VIBs Installed:    VIBs Removed: VMware_bootbank_ipmi-ipmi-si-drv_39.1-4vmw.550.0.0.1331820    VIBs Skipped: ~ # ~ # esxcli software vib remove --vibname ipmi-ipmi-si-drv Removal Result    Message: The update completed successfully, but the system needs to be rebooted for the changes to be effective.    Reboot Required: true    VIBs Installed:    VIBs Removed: VMware_bootbank_ipmi-ipmi-si-drv_39.1-4vmw.550.0.0.1331820    VIBs Skipped: ~ #

netstat -tn -n: Display numeric only -t: Display TCP connections only Who is connecting to linux host: netstat -tn netstat is not installed on CentOS/RHEL minimal installation by default. [tuyendq@001 ~]$ which netstat /usr/bin/which: no netstat in (/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/tuyendq/.local/bin:/home/tuyendq/bin) Which package does netstat belong to? [tuyendq@001 ~]$ yum search netstat Loaded plugins: fastestmirror Determining fastest mirrors * base: mirror.hostduplex.com * epel: mirrors.develooper.com * extras: repos.lax.quadranet.com * updates: mirror.hostduplex.com zabbix-non-supported 4/4 =================================================== Matched: netstat =================================================== bwm-ng.x86_64 : Bandwidth Monitor NG dstat.noarch : Versatile resource statistics tool net-snmp.x86_64 : A collection of SNMP p...

http://www-01.ibm.com/support/docview.wss?uid=swg21099151 Technote (FAQ) Question How do you enable HTTP request logging when using a Lotus® Domino® Web server? You want a record of all requests sent by Web browsers to the Domino server to use for troubleshooting. Answer Below is a short guide to turning on request logging that provides the basic logging level. More verbose logging can be enabled by following the instructions in  "Overview of HTTP Request Logs" (#7003598) . Important:  HTTP request logging should be used only for troubleshooting specific issues, and usually at the direction of and with assistance from IBM Support. Do not use request logging for other purposes, such as administrative reasons. Because these log files grow in size over time, you should not leave this setting enabled for long periods or you will exhaust the available drive space. To enable logging of HTTP requests for a Domino server for the current HTTP session only, enter the f...