Skip to content

Linux snippets

Get back to the install log after an SSH section drop

Bash
1
sudo tail -f /var/log/apt/term.log

Create a multiline string variable

Variable name in the example is smbcfg.

This syntax is called HEREDoc.

Bash
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
read -r -d '' smbcfg << hd
[shared]
   comment= Shared Folder
   path = /usr/shared
   browseable = Yes
   writeable = Yes
   only guest = no
   create mask = 0777
   directory mask = 0777
   public = no
   force user = pi
hd

sudo-append to a file

Append to a file which would require SU privileges.

In the example, smbcfg is just a variable.

Bash
1
echo "$smbcfg" | sudo tee -a /etc/samba/smb.conf