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--- docs:tips_n_tricks:debian:index.html [27.09.2014 11:20 CEST] – [/etc/apt/sources.list.d/] peter
+++ docs:tips_n_tricks:debian:index.html [23.09.2023 01:48 CEST] (current) – [Building Packages] peter
@@ Line 4: / Line 4: @@
   # For general use:
-  apt-get install aptitude zsh less strace psutils rcs screen \
+  apt-get install aptitude zsh less strace psmisc rcs screen \
                   rsync sshfs ntpdate host exim4-daemon-light \
-                  sudo file bc mlocate man uemacs
+                  sudo file bc mlocate man cvs patch [uemacs|nano]
+  # For some diagnostics
+  apt-get install pciutils iftop tcpdump lshw
   # For systems running on the "bare metal"
-  apt-get install smartmontools
+  apt-get install smartmontools ethtool
   # For server maintenance
   apt-get install munin-node munin-plugins-extra sysstat
   # For development use
-  apt-get install dpkg-dev debhelper devscripts patch
+  apt-get install dpkg-dev debhelper devscripts liburi-perl \
+                  fakeroot build-essential autoconf bison \
+                  autotools-dev sharutils
 ===== Configuration =====
@@ Line 18: / Line 22: @@
 ==== /etc/apt/sources.list.d/ ====
-At least for //uemacs// you need to access the ''/usr/local'' repositories. This ''/etc/apt/sources.list.d/usr-local.list'' will do:
+At least for //uemacs// you need to access the ''/usr/local'' repositories. Get it by
-:!: This is outdated :!:\\
+  wget -O /etc/apt/sources.list.d/usr-local-debian.list -c http://debian.usr-local.de/debian.list
-FIXME
-  deb-src http://debian.usr-local.de/debian sarge local non-free contrib
-  deb     http://debian.usr-local.de/debian sarge local non-free contrib
-  deb-src http://debian.usr-local.de/debian etch  local non-free contrib
-  deb     http://debian.usr-local.de/debian etch  local non-free contrib
-  deb-src http://debian.usr-local.de/debian lenny local non-free contrib
-  deb     http://debian.usr-local.de/debian lenny local non-free contrib
-  deb-src http://debian.usr-local.de/debian lucid local non-free contrib
-  deb     http://debian.usr-local.de/debian lucid local non-free contrib
-  deb-src http://debian.usr-local.de/debian gutsy         non-free
-  deb     http://debian.usr-local.de/debian gutsy   local non-free contrib
-  deb-src http://debian.usr-local.de/debian oneiric local non-free contrib
-  deb     http://debian.usr-local.de/debian oneiric local non-free contrib
+==== /etc/apt/apt.conf.d/myconf ====
 :!: This is outdated :!:
-==== /etc/apt/apt.conf.d/pjw ====
   APT::Default-Release "squeeze";
+==== Apt Pinning by Repository (/etc/apt/preferences) ====
+// Tested with Debian 10 Buster //
+<code text /etc/apt/preferences.d/99ul-pin-priorities>
+# /usr/local Pin Priorities
+# Need to be in sync with /etc/apt/sources.list !
+# Check with apt-cache policy
+Package: *
+Pin: origin deb.debian.org
+Pin-Priority: 500
+Package: *
+Pin: origin security.debian.org
+Pin-Priority: 500
+# Package: *
+# Pin: origin repo.dovecot.org
+# Pin-Priority: 1
+Package: *
+Pin: origin *
+Pin-Priority: 1
+</code>
+See:
+  * https://wiki.debian.org/AptConfiguration#apt_preferences_.28APT_pinning.29
+==== Manage Repositories GPG Keys ====
+[[https://askubuntu.com/a/1307181|You need to know why apt-key add is deprecated]]
 ===== Change timezone =====
 To change the timezone of a running systems, issue
@@ Line 47: / Line 66: @@
   tzconfig
-or
+or((for later versions of Debian))
   dpkg-reconfigure tzdata
 depending on your version of Debian.
+For unattended installations, the following **may** work:
+  debconf-set-selections tzdata.debconf
+<code text tzdata.debconf>
+tzdata tzdata/Areas select Europe
+# tzdata tzdata/Areas seen false
+tzdata tzdata/Zones/Europe select Berlin
+# tzdata tzdata/Zones/Europe seen false
+</code>
+===== NFS Workaround =====
+For some versions of Debian, you need to add ''sec=sys'' in ''/etc/exports'' if you want to use ''no_root_squash''
+//Reference: [[https://lists.debian.org/debian-user/2008/08/msg01966.html|Re: NFS and no_root_squash - cannot write as root - permission denied (SOLVED)]]//
 ===== Change locale =====
   update-locale LANG=C LC_CTYPE=de_DE LANGUAGE
+{{tag>locale}}
+{{entry>locale}}
 ===== Building Packages =====
+  sudo apt-get install devscripts
   apt-get source <package>
+  # If you start here: dpkg-source -x <package>.dsc
   cd <packagedir>
   # generating new changelog entry with local version suffix for distribution lenny:
   export DEBEMAIL="${DEBEMAIL:-peter@foo.bar}"
   export DEBFULLNAME="${DEBFULLNAME:-Peter Foobar}"
-  dch -l ~ul~lenny -D lenny
+  dch -l .ul~ulyana -D ulyana
-  dpkg-buildpackage -rfakeroot
+  dpkg-buildpackage -rfakeroot --no-sign
+===== Make Monday the first day of week in US locales =====
+This works e.g. for the [[https://docs.xfce.org/xfce/xfce4-panel/clock|Clock xfce4-panal applet]].
+Do as //root//:
+  mkdir -vp /usr/local/share/i18n/locales/
+  sed -e 's/^week.*$/&\nfirst_weekday\t2/g' /usr/share/i18n/locales/en_US  > /usr/local/share/i18n/locales/en_US
+  locale-gen
+<note>
+GOSH! :-o\\
+Yeah - it's as easy as that. The tricky part is to what to do 8-)
+</note>
+__References:__
+  * [[https://www.reddit.com/user/mozycan/|mozycan]]'s [[https://www.reddit.com/r/xfce/comments/baq8xg/comment/ekdiob5|answer to "Can I make panel's calendar week start on Monday instead of Sunday?"]] on Reddit
+  * ''less /usr/sbin/locale-gen''
+Also quite interesting while not directly related to //my// solution:
+  * [[https://unix.stackexchange.com/users/5462/0xc0000022l|0xC0000022L]]'s [[https://unix.stackexchange.com/a/204329|answer to "Change a locale definition (as opposed to a locale setting)"]] on Stackexchange.
+{{tag>locale Xfce}}
+{{entry>locale}}
+{{entry>Xfce}}
+===== Disabling systemd-resolved =====
+//This was actually tried with success on a //Linux Mint 20 Ulyana//, but I assume it works pretty much the same on //Debian// and all its derivatives//
+The most easy way would be to uninstall //systemd-resolved//, but as it is bundled with //systemd// which unfortunately is a crucial part of //Debian// meanwhile, this ist not possible.
+<code bash>
+apt install resolveconf
+systemctl disable systemd-resolved
+vi /etc/NetworkManager/conf.d/10-dns-resolved.conf
+</code>
+We need to override ''/usr/lib/NetworkManager/conf.d/10-dns-resolved.conf'', therefore the file name does not really match its purpose((Actually, you should adapt the name, if the respective file in ''/usr/lib/NetworkManager/conf.d/'' has a different name)):
+<code plain /etc/NetworkManager/conf.d/10-dns-resolved.conf>
+dns=default
+rc-manager=resolvconf
+systemd-resolved=false
+</code>
+Disabling //systemd-resolved// in //systemd// and in //NetworkManager// propably doesn't make much of a difference after your told //NetworkManager// not to route DNS queries to it but for saving system resources.
+References:
+  * ''man NetworkManager.conf''
+  * [[https://unix.stackexchange.com/a/580109|Stackexchange]]
+{{tag>systemd DNS}}
+{{entry>systemd}}
+{{entry>DNS}}
+======  ======
 {{tag>Linux Debian}}
 {{entry>Linux}}
 {{entry>Debian}}