Redhat: How to list all disks availble
On Redhat, run this command [crayon-686457ca8fe16954067232/] You will see this [crayon-686457ca8fe18581454816/]
-
-
How to tell git which private key to use?
Environment variable GIT_SSH_COMMAND: From Git version 2.3.0, you can use the environment variable GIT_SSH_COMMAND like this: [crayon-686457ca90010021588122/] Note that -i…
-
Mac OS: How long my Mac has been running?
Open terminal and run [crayon-686457ca9011b862819201/]
-
Ubuntu: No need to provide password when run sudo
[crayon-686457ca901fd021264861/]
-
View list of users in a group
[crayon-686457ca902db134637191/]
-
Add new user and add it to sudo group
With 12.04 and later If the user already exists [crayon-686457ca903b8332333630/] To create the user [crayon-686457ca903b9229954631/]
-
Can’t send to hotmail.com , blocked by Outlook.com ?
Do you see this error in your mail.log? “Please contact your Internet service provider since part of their network is…
-
Dovecot: (keywords_update_records): assertion failed: (data_offset >= sizeof(struct mail_index_record))
This means your index is corrupted, we need to rebuild it find /user/emailfolder -name ‘dovecot*’ -type f -delete”
-
Apache: AuthType configured with no corresponding authorization directives
This happens when we upgrade my Apache to 2.4.7 , it turns out that we haven’t got removed the old…
-
Secure Web/Mail/Database with certificate
Web/Mail/Database can use the same certificate to allow its client to connect to the server. Postfix: [crayon-686457ca905c3967452905/] Dovecot (POP3/IMAP server)…