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--- linux:system_config [2016/08/04 18:00]
tkilla
+++ linux:system_config [2019/01/24 21:43] (current)
tkilla [APT / dpkg]
@@ Line 2: / Line 2: @@
 Debian & Ubuntu style
+===== APT / dpkg =====
+get installed packages:
+  dpkg --get-selections > dpkgselections
+set & install packages from file:
+  dpkg --set-selections < dpkgselections
+  dselect update   # fixes packages not found in db errors
+  apt-get -u dselect-upgrade
+  # or:
+  aptitude install
+==== Apt Redirect MITM Bug 01.2019 ====
+https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=768073
+**Workaround:**
+Sources List:
+  deb http://cdn-fastly.deb.debian.org/debian-security stable/updates main contrib non-free
+'Secure' Update:
+  apt -o Acquire::http::AllowRedirect=false update
+  apt -o Acquire::http::AllowRedirect=false upgrade
+  wget http://ftp.de.debian.org/debian/pool/main/l/lz4/liblz4-1_0.0~r131-2+b1_amd64.deb
+  dpkg -i liblz4-1_0.0~r131-2+b1_amd64.deb
+  rm -f liblz4-1_0.0~r131-2+b1_amd64.deb
+  apt install apt apt-transport-https apt-utils libapt-pkg5.0 libapt-inst2.0 libapt-pkg5.0
+  apt -o Acquire::http::AllowRedirect=false upgrade
 ===== Date, Time and Timezones =====
-== get date & time ==
+==== get date & time ====
   date
-== set date & time ==
+==== set date & time ====
   date --set 1998-11-02
@@ Line 16: / Line 63: @@
-== set timezone ==
+==== set timezone ====
   dpkg-reconfigure tzdata
-== fix locale ==
+==== fix locales ====
   apt-get install locales
@@ Line 27: / Line 75: @@
   locale
+If you still get "unable to set locale, falling back to the default locale", try this:
-===== fail2ban =====
+  export LANGUAGE=en_US.UTF-8
+  export LANG=en_US.UTF-8
-debugging:
+  export LC_ALL=en_US.UTF-8
+  locale-gen en_US.UTF-8
-if the service doesn't start
-for some useful error messages:
-  fail2ban-client -x start
-too much cpu / ram usage maybe a problem with /etc/localtime
-trace which files are opened / closed all the time by one of the server threads:
-  strace -f -p <various pids of fail2ban processes

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