aaron@Server:~$ sudo apt autoremove Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: libice-dev libpthread-stubs0-dev libsm-dev libx11-dev libx11-doc libxau-dev libxcb1-dev libxdmcp-dev libxt-dev openjdk-9-jdk-headless x11proto-core-dev x11proto-input-dev x11proto-kb-dev xorg-sgml-doctools xtrans-dev 0 upgraded, 0 newly installed, 15 to remove and 0 not upgraded. 15 not fully installed or removed. After this operation, 19.2 MB disk space will be freed. Do you want to continue? [Y/n] Y (Reading database ... 207394 files and directories currently installed.) Removing libxt-dev:amd64 (1:1.1.5-0ubuntu1) ... Removing libsm-dev:amd64 (2:1.2.2-1) ... Removing libice-dev:amd64 (2:1.0.9-1) ... Removing libx11-dev:amd64 (2:1.6.3-1ubuntu2) ... Removing libxcb1-dev:amd64 (1.11.1-1ubuntu1) ... Removing libpthread-stubs0-dev:amd64 (0.3-4) ... Removing libx11-doc (2:1.6.3-1ubuntu2) ... Removing libxau-dev:amd64 (1:1.0.8-1) ... Removing libxdmcp-dev:amd64 (1:1.1.2-1.1) ... Removing openjdk-9-jdk-headless:amd64 (9~b114-0ubuntu1) ... Removing x11proto-input-dev (2.3.1-1) ... Removing x11proto-core-dev (7.0.28-2ubuntu1) ... Removing x11proto-kb-dev (1.0.7-0ubuntu1) ... Removing xorg-sgml-doctools (1:1.11-1) ... Removing xtrans-dev (1.3.5-1) ... Processing triggers for man-db (2.7.5-1) ... aaron@Server:~$ aaron@Server:~$ sudo apt install openjdk-9-jdk [sudo] password for aaron: Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libice-dev libpthread-stubs0-dev libsm-dev libx11-dev libx11-doc libxau-dev libxcb1-dev libxdmcp-dev libxt-dev openjdk-9-jdk-headless x11proto-core-dev x11proto-input-dev x11proto-kb-dev xorg-sgml-doctools xtrans-dev Suggested packages: libice-doc libsm-doc libxcb-doc libxt-doc openjdk-9-demo openjdk-9-source visualvm The following NEW packages will be installed: libice-dev libpthread-stubs0-dev libsm-dev libx11-dev libx11-doc libxau-dev libxcb1-dev libxdmcp-dev libxt-dev openjdk-9-jdk openjdk-9-jdk-headless x11proto-core-dev x11proto-input-dev x11proto-kb-dev xorg-sgml-doctools xtrans-dev 0 upgraded, 16 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/3,700 kB of archives. After this operation, 19.2 MB of additional disk space will be used. Do you want to continue? [Y/n] Y Selecting previously unselected package xorg-sgml-doctools. (Reading database ... 205877 files and directories currently installed.) Preparing to unpack .../xorg-sgml-doctools_1%3a1.11-1_all.deb ... Unpacking xorg-sgml-doctools (1:1.11-1) ... Selecting previously unselected package x11proto-core-dev. Preparing to unpack .../x11proto-core-dev_7.0.28-2ubuntu1_all.deb ... Unpacking x11proto-core-dev (7.0.28-2ubuntu1) ... Selecting previously unselected package libice-dev:amd64. Preparing to unpack .../libice-dev_2%3a1.0.9-1_amd64.deb ... Unpacking libice-dev:amd64 (2:1.0.9-1) ... Selecting previously unselected package libpthread-stubs0-dev:amd64. Preparing to unpack .../libpthread-stubs0-dev_0.3-4_amd64.deb ... Unpacking libpthread-stubs0-dev:amd64 (0.3-4) ... Selecting previously unselected package libsm-dev:amd64. Preparing to unpack .../libsm-dev_2%3a1.2.2-1_amd64.deb ... Unpacking libsm-dev:amd64 (2:1.2.2-1) ... Selecting previously unselected package libxau-dev:amd64. Preparing to unpack .../libxau-dev_1%3a1.0.8-1_amd64.deb ... Unpacking libxau-dev:amd64 (1:1.0.8-1) ... Selecting previously unselected package libxdmcp-dev:amd64. Preparing to unpack .../libxdmcp-dev_1%3a1.1.2-1.1_amd64.deb ... Unpacking libxdmcp-dev:amd64 (1:1.1.2-1.1) ... Selecting previously unselected package x11proto-input-dev. Preparing to unpack .../x11proto-input-dev_2.3.1-1_all.deb ... Unpacking x11proto-input-dev (2.3.1-1) ... Selecting previously unselected package x11proto-kb-dev. Preparing to unpack .../x11proto-kb-dev_1.0.7-0ubuntu1_all.deb ... Unpacking x11proto-kb-dev (1.0.7-0ubuntu1) ... Selecting previously unselected package xtrans-dev. Preparing to unpack .../xtrans-dev_1.3.5-1_all.deb ... Unpacking xtrans-dev (1.3.5-1) ... Selecting previously unselected package libxcb1-dev:amd64. Preparing to unpack .../libxcb1-dev_1.11.1-1ubuntu1_amd64.deb ... Unpacking libxcb1-dev:amd64 (1.11.1-1ubuntu1) ... Selecting previously unselected package libx11-dev:amd64. Preparing to unpack .../libx11-dev_2%3a1.6.3-1ubuntu2_amd64.deb ... Unpacking libx11-dev:amd64 (2:1.6.3-1ubuntu2) ... Selecting previously unselected package libx11-doc. Preparing to unpack .../libx11-doc_2%3a1.6.3-1ubuntu2_all.deb ... Unpacking libx11-doc (2:1.6.3-1ubuntu2) ... Selecting previously unselected package libxt-dev:amd64. Preparing to unpack .../libxt-dev_1%3a1.1.5-0ubuntu1_amd64.deb ... Unpacking libxt-dev:amd64 (1:1.1.5-0ubuntu1) ... Selecting previously unselected package openjdk-9-jdk-headless:amd64. Preparing to unpack .../openjdk-9-jdk-headless_9~b114-0ubuntu1_amd64.deb ... Unpacking openjdk-9-jdk-headless:amd64 (9~b114-0ubuntu1) ... Preparing to unpack .../openjdk-9-jdk_9~b114-0ubuntu1_amd64.deb ... Unpacking openjdk-9-jdk:amd64 (9~b114-0ubuntu1) ... dpkg: error processing archive /var/cache/apt/archives/openjdk-9-jdk_9~b114-0ubuntu1_amd64.deb (--unpack): trying to overwrite '/usr/lib/jvm/java-9-openjdk-amd64/include/linux/jawt_md.h', which is also in package openjdk-9-jdk-headless:amd64 9~b114-0ubuntu1 Processing triggers for man-db (2.7.5-1) ... Errors were encountered while processing: /var/cache/apt/archives/openjdk-9-jdk_9~b114-0ubuntu1_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) aaron@Server:~$