deb http://apt.vestacp.com/stretch/ stretch vesta
/etc/apt
├── apt.conf.d
│ ├── 00trustcdrom
│ ├── 01autoremove
│ ├── 01autoremove-kernels
│ ├── 20listchanges
│ └── 70debconf
├── listchanges.conf
├── preferences.d
├── sources.list
├── sources.list.bu
├── sources.list.d
│ ├── nginx.list
│ ├── nodesource.list
│ └── vesta.list
├── trusted.gpg
├── trusted.gpg~
└── trusted.gpg.d
├── debian-archive-jessie-automatic.gpg
├── debian-archive-jessie-security-automatic.gpg
├── debian-archive-jessie-stable.gpg
├── debian-archive-stretch-automatic.gpg
├── debian-archive-stretch-security-automatic.gpg
├── debian-archive-stretch-stable.gpg
├── debian-archive-wheezy-automatic.gpg
└── debian-archive-wheezy-stable.gpg
4 directories, 21 files
root@...:~# apt-cache search
E: Couldn't make mmap of 25165824 bytes - DynamicMMap (12: Cannot allocate memory)
E: The package lists or status file could not be parsed or opened.
root@...:~# sudo apt-cache search deb*
E: Couldn't make mmap of 25165824 bytes - DynamicMMap (12: Cannot allocate memory)
E: The package lists or status file could not be parsed or opened.